Chris Clarkson

Christopher Clarkson

Positions

Associate Head (Growth and Diversification)

Faculty of Science , Department of Earth, Energy, and Environment

Professor

Faculty of Science , Department of Earth, Energy, and Environment

Contact information

Email

clarksoc@ucalgary.ca

Phone number

Office: +1 (403) 220-6445

Location

Lab: ES254A

Background

Educational Background

Doctor of Philosophy Geological Engineering, University of British Columbia, 1998

Master of Applied Science Geological Engineering, University of British Columbia, 1994

B.A.Sc. Geological Engineering, University of British Columbia, 1992

Research

Areas of Research

Gas storage and transport mechanisms in coalbed methane (CBM) and shale reservoirs, Reservoir characterization of unconventional reservoirs, Advanced production data analysis methods as applied to unconventional reservoirs, Reservoir simulation of unconventional reservoirs

Awards

  • Faculty of Science Early Career Research Excellence Award (2018), The University of Calgary. 2019
  • Society of Petroleum Engineers Calgary Section 2017-2018 Technical Excellence and Achievement Award, Society of Petroleum Engineers. 2019
  • 2017 ASTech Foundation award for “Outstanding Achievement in Applied Technology and Innovation”, Alberta Science and Technology Leadership (ASTech) Foundation. 2018
  • Reservoir Description and Dynamics Award (Canadian Region, 2016), Society of Petroleum Engineers. 2017
  • Outstanding Teaching Performance (ENCH/GLGY 698), 2014
  • Best Paper/Poster, Society of Organic Petrology. 2014
  • Best Paper/Poster, Society of Organic Petrology. 2011
  • Department of Geoscience Research Award, 2010
  • Society of Petroleum Engineers Distinguished Lecturer, 2009
  • SPE Distinguished Lecturer, Society of Petroleum Engineers Canada. 2010
  • Alfred Noble Prize, 2005
  • Rossitor W. Raymond Award, 2005

Publications

  • Chapter 7: Coalbed Methane. C. R. Clarkson; Roberto Aguilera. Society of Petroleum Engineers. 175-266. (2018)
  • Chapter 14: Flowback and Early-Time Production Data Analysis. J.D.; C. R. Clarkson; Williams-Kovacs. Society of Petroleum Engineers. 1-78. (2019)
  • Chapter 7: Tight Gas Systems. C.R Clarkson; H. Sanei; Isabel Suárez-Ruiz; J. W. Wood; Graciano João; O. H. Ardakani. Bentham e-Books. 236-257. (2017)
  • Chapter 8.5: "Coalbed Methane", in Chapter 8 "Unconventional Resources Estimation". C. R. Clarkson; G. J. Barker. Society of Petroleum Engineers. 141-153. (2011)
  • Pore Network Characteristics of European Organic-rich Shales: Implications for Fluid Storage and Transport. T. Rexer; B. Krooss; S. Aquino; A. Aplin; A . Amann-Hildenbrand; Y. Gensterblum; C.R. * Clarkson; A.* Ghanizadeh; M. Gasparik. (2015)
  • Application of Flowing p/Z* Material Balance for Dry Coalbed-Methane Reservoirs. C. R. Clarkson; K. Morad. Society of Petroleum Engineers. 1-8. (2008)
  • Case Study: Production Data and Pressure Transient Analysis of Horseshoe Canyon CBM Wells. C. R. Clarkson. Society of Petroleum Engineers. 1-23. (2008)
  • Predicting Sorption-Induced Strain and Permeability Increase With Depletion for CBM Reservoirs. S. Harpalani; Z. Pan; C. R. Clarkson; I. D. Palmer. Society of Petroleum Engineers. 1-17. (2008)
  • Production Data Analysis of Fractured and Horizontal CBM Wells. C. L. Jordan; T. A. Blasingame; C. R. Clarkson; D. Ilk. Society of Petroleum Engineers. 1-30. (2009)
  • Integration of Microseismic and Other Post-Fracture Surveillance with Production Analysis: A Tight Gas Study. J. J. Beierle; C. R. Clarkson. Society of Petroleum Engineers. 1-32. (2010)
  • Coalbed Methane: Current Evaluation Methods, Future Technical Challenges. C. R. Clarkson; R. M. Bustin. Society of Petroleum Engineers. 1-42. (2010)
  • Relative Permeability of CBM Reservoirs: Controls on Curve Shape. M. R. Rahmanian; C. R. Clarkson; A. Kantzas; K. Morad. Society of Petroleum Engineers. 1-19. (2010)
  • Tight Oil Production Analysis: Adaptation of Existing Rate-Transient Analysis Techniques. C. R. Clarkson; P. K. Pederson. Society of Petroleum Engineers. 1-16. (2010)
  • A New Model for Shale Gas Matrix Flow Using the Dynamic-Slippage Concept. T.; Ertekin; C. R. Clarkson. (2010)
  • Life-Cycle Decline Curve Estimation for Tight/Shale Reservoirs. B. * Biseda; M.* Nobakht; R. Adams; C. R. Clarkson; J. Youngblood; R. J. Ambrose; P. D. Nguyen. Society of Petroleum Engineers. 1-15. (2011)
  • Gas Shales: Advances in Production Analysis. C. R. Clarkson. Canadian Society of Petroleum Geologists. 1. (2011)
  • Advances in Reservoir Characterization of the Montney Tight Gas Play. C. R. Clarkson; P. K. Pedersen. Canadian Society of Petroleum Geologists. 1. (2011)
  • Unconventional Gas Reservoirs: Advances in Production Analysis. C. R. Clarkson. Asia Pacific Coalbed Methane. 1. (2011)
  • Cementation Exponent Estimation for Complex Carbonate Reservoirs Using a Triple Porosity Model. A.* Al-Ghamdi; C.R. * Clarkson; R. Aguilera. Society of Petroleum Engineers. 1-12. (2011)
  • Production Analysis of Tight Gas and Shale Gas Reservoirs Using the Dynamic-Slippage Concept. C. R. Clarkson; D. Kaviani; T. * Ertekin; M.* Nobakht. Society of Petroleum Engineers. 1-16. (2011)
  • A New Analytical Method for Analyzing Production Data from Shale Gas Reservoirs Exhibiting Linear Flow: Constant Pressure Production. Clarkson; student author, C.R *; M.* Nobakht. 1-15. (2011)
  • Shale Gas-in-Place Calculations Part II – Multicomponent Gas Adsorption Effects. I. Y. Akkutlu; R. C. Hartman; R. J. Ambrose; C. R. Clarkson. Society of Petroleum Engineers. 1-17. (2011)
  • Reservoir Engineering for Unconventional Reservoirs: What Do We Have to Consider?. T. A. Blasingame; C. R. Clarkson; J. L. Jensen. Society of Petroleum Engineers. 1-45. (2011)
  • Lithological Controls on Permeability Variations in the Lower Triassic Montney Formation, Pouce Coupe, AB. H. * Sanei; C. R. Clarkson; M.* Freeman. TSOP. 1. (2011)
  • New and Improved Methods for Performing Rate-Transient Analysis of Shale Gas Reservoirs. M.* Nobakht; C. R. Clarkson; D. Kaviani. Society of Petroleum Engineers. 1-19. (2011)
  • Analysis of Production Data in Shale Gas Reservoirs: Rigorous Corrections for Fluid and Flow Properties. C.R. * Clarkson; M.* Nobakht. Society of Petroleum Engineers. 1-19. (2011)
  • New Type Curves for Analyzing Horizontal Well With Multiple Fractures in Shale Gas Reservoirs. M.* Nobakht; C. R. Clarkson; D. * Kaviani. Society of Petroleum Engineers. 1-22. (2011)
  • Estimation of Contacted and Original Gas-in-Place for Low Permeability Reservoirs Exhibiting Linear Flow. C.R. * Clarkson; M.* Nobakht. Society of Petroleum Engineers. 1-22. (2011)
  • Using Stochastic Simulation To Quantify Risk and Uncertainty in Shale Gas Prospecting and Development. C.R. * Clarkson; J.D.* Williams-Kovacs. Society of Petroleum Engineers. 1-22. (2011)
  • Production Analysis of Western Canadian Unconventional Light Oil Plays. C. R. Clarkson; P. K. Pedersen. Society of Petroleum Engineers. 1-23. (2011)
  • Effect of Heterogeneity in a Horizontal Well With Multiple Fractures on the Long-Term Forecast in Shale Gas Reservoirs. C.R * Clarkson; R. Ambrose; M.* Nobakht. Society of Petroleum Engineers. 1-13. (2011)
  • Investigation of Primary Recovery in Tight Oil Formations: A Look at the Cardium Formation, Alberta.. Society of Petroleum Engineers. 1-11. (2011)
  • A Comparison of Plug-Derived, Probe-Derived and Crushed-Rock Permeability in Low-Permeable Shales: Examples from the Duvernay Shale, Alberta (Canada). A.* Ghanizadeh; S.* Bhowmik; C.R. *PDF Clarkson. Canadian Society of Petroleum Geologists. 3 pages. (2014)
  • Applications of Neutron Scattering Techniques for the Characterization of Pore Structure and Fluids Interactions in Tight Rocks. C. R. Clarkson; L. He; T. *PhD Blach; N.* Solano; F. F. Krause; Y. B. Melichenko. Canadian Society of Petroleum Geologists. 2 pages. (2014)
  • Organic matter Characterization for Unconventional Reservoir Potential Assessment of the Murray Harbor Formation in the Sverdrop Basin, Arctic Canada. O. H. Ardakani; A. F. Embry; C.R. Clarkson; D.M.* Kondla; H. Sanei. Canadian Society of Petroleum Geologists. 4 pages. (2014)
  • Petrographic Characterizations of the “Nordegg” (Gordondale) Member of the Fernie Formation in West Central ALberta, Using Scanning Electron Microscopy and Organic Petrology. C. DeBuhr; F. *MSc Goodarzi; O. H. Ardakani; N.* Isinguzo; D.* Kondla; H. Sanei; C. R. Clarkson. Canadian Society of Petroleum Geologists. 4 pages. (2014)
  • Characterization of cm-Scale Heterogeneities in a Tight Oil Reservoir Using X-ray Computed Tomography, Profile Permeability Measurements and 3-D Image Analysis. F. F. Krause; C.R. * Clarkson; N.A.* Solano. 1-6. (2014)
  • Improvement in Permeability Models for Unconventional Gas Reservoirs and Model Selection Using Statistical Analysis. S. Chen; Z. * Pan; J. Bergerson; B.* Haghshenas; C. R. Clarkson. 1-29. (2014)
  • Organic and Inorganic Petrographic Analysis of the “Nordegg” – Gordondale Member, Fernie Formation, West Central Alberta. O. H. Ardakani; F. Goodarzi; H. Sanei; N.* Isinguzo; C. R. Clarkson; D.* Kondla. (2014)
  • Analysis of Multi-Well and Stage-by-Stage Flowback from Multi-Fractured Horizontal Wells. J.D.* Williams-Kovacs; C.R. * Clarkson. 1-27. (2014)
  • Dispersed Organic Matter and Depositional Environment: Insights from a Middle Triassic Source Rock in Arctic Canada. C.R. *MSc Clarkson; A. F. Embry; D.M.* Kondla; O Haeri Ardakani; H. Sanei. (2014)
  • History-Matching and Forecasting Tight/Shale Gas Condensate Wells Using Combined Analytical, Semi-Analytical, and Empirical Methods. C. R. Clarkson; Sureshjani, Heidari; J.D.* Williams-Kovacs; H.* Behmanesh. 1-41. (2014)
  • Organic Geochemical and Organic Petrological Analysis of the Murray Harbour Formation: a Potential Unconventional Reservoir in the Sverdrup Basin, Canadian Arctic. D.M.* Kondla; A. F. Embry; O Haeri Ardakani; C.R. Clarkson; H. Sanei. (2014)
  • Petrophysical and Geomechanical Characteristics of Canadian Tight Oil and Liquid-Rich Gas Reservoirs. O . Haeri-Ardakani; A.* Ghanizadeh; S. Aquino; H. * Sanei. 1-37. (2014)
  • Effects of Pore Confinement on Rate-Transient Analysis of Shale Gas Reservoirs. B.* Haghshenas; C.R. * Clarkson; F.* Qanbari. 1-16. (2014)
  • A Semi-Analytical Forecasting Method for Unconventional Gas and Light Oil Wells: A Hybrid Approach for Addressing the Limitations of Existing Empirical and Analytical Methods. C. R. Clarkson; F.* * Qanbari. 1-22. (2014)
  • Geomechanical Controls on Matrix/Fracture Permeability of Tight Oil and Liquid-Rich Gas Reservoirs: Implications for Hydraulic Fracturing. S. Aquino; H. Sanei; O . Haeri-Ardakani; A.* Ghanizadeh; C.R. Clarkson. (2014)
  • Analysis of Transient Linear Flow Associated with Hydraulically-Fractured Tight Oil Wells Exhibiting Multi-Phase Flow (Paper SPE 172928). H., Hamdi.; PhD C.R. *; Clarkson; H.* Behmanesh. (2015)
  • Environmental Baseline Conditions for Impact Assessment of Unconventional Gas Exploitation: the G-Baseline Project. W. Kloppman; E. Gaucher; R. Millot; A. Cahill; J. A. Cherry; B. Mayer; B. L. Parker; P. Humez; C. R. Clarkson. (2015)
  • Role of Organic Fractions in Montney Tight Gas Reservoir Quality. H. Sanei; J. M. Wood; O Haeri Ardakani; C. R. Clarkson. (2015)
  • Characterization of Organic Matter Fractions in Montney Tight Siltstone Reservoir. O Haeri Ardakani; J. M. Wood; H. Sanei; C. R. Clarkson. 1 page. (2015)
  • Solid Bitumen as a Determinant of Reservoir Quality in the Montney Tight Gas Siltstone Play, Western Canada. C. R. Clarkson; H. Sanei; M. E. Curtis; J. M. Wood. 1 page. (2015)
  • Hydrocarbon-Rich Shales of the Middle Triassic in Canada: A Comparative Study of the Arctic’s Murray Harbour Formation Versus the Doig. C.R. Clarkson; H. Sanei; S. Aquino; D.M.* Kondla; O . Haeri-Ardakani; A. Ghanizadeh. 1 page. (2015)
  • History-Matching and Forecasting Tight Oil and Gas Condensate Wells using Analytical, Semi-analytical, and Empirical Methods. C.R. *PhD Clarkson; J.D.* Williams-Kovacs. 1 page. (2015)
  • An Approximate Analytical Multi-Phase Forecasting Method for Multi Fractured Light Tight Oil Wells With Complex Fracture Geometry (Paper SPE 178665). F.* * Qanbari; C. R. Clarkson. (2015)
  • A Modified Approach For Modelling 2-Phase Flowback From Multi-Fractured Horizontal Shale Gas Wells (Paper SPE 178511). C.R. * Clarkson; J.D.* Williams-Kovacs. (2015)
  • Hydrocarbon and Organic Matter Classification and Effect on Reservoir Characteristics: A Gordondale Shale Example. C.R. *MSc Clarkson; D.C Jiang; N.G.* Isinguzo; H. Sanei. (2015)
  • Unconventional Reservoir Characterization of Organic-Rich Middle Triassic Strata in the Canadian Arctic. D.M.* Kondla; O. H. Ardakani; C. R. Clarkson; X. Wang; C. *MSc Jiang; H. Sanei. (2015)
  • History-Matching and Forecasting Tight Gas Condensate and Oil Well Using the Dynamic Drainage Area Concept (Paper SPE 175929). F.* * Qanbari; C. R. Clarkson. (2015)
  • Use of Gas Adsorption Data to Extract Diffusivity/Permeability from Shale Reservoir Drill Cuttings: Implications for Reservoir Characterization of Horizontal Laterals in Western Canadian Shale plays (Paper SPE 175979). B.* Haghshenas; S. D. Aquino; S. * Chen; C. R. Clarkson. (2015)
  • Parameters Affecting Load Recovery and Oil Breakthrough Time after Hydraulic Fracturing in Tight Oil Wells (Paper SPE 175941). Fellow Postdoctoral; B.* Zanganeh; C.R. * PhD candidates; Williams-Kovacs M.*; Clarkson; S., Soroush; J.D.*. (2015)
  • High-Resolution Permeability Modeling in Highly Heterogeneous Tight-Oil Reservoirs (Paper SPE 175990). M.* Soroush; C. R. Clarkson; S.* Solano; F.F. * Krause; Postdoctoral Fellow. (2015)
  • Impact of Solvent-Extraction on Fluid Storage and Transport Properties of Montney Formation (Paper SPE 175954). H. Sanei; A.* Ghanizadeh; C. R. Clarkson; A. Vahedian; O. H. Ardakani; J.M. * Wood; S. Aquino. (2015)
  • Core Analysis of Canadian Tight Oil and Liquid-Rich Gas Reservoirs: Selected Results and Experimental Challenges. S. Aquino; C.** Debuhr; C. R. Clarkson; A.** Ghanizadeh; H.* Deglint; N.A.* Solano; A. *PhD Vahedian. (2015)
  • Case Studies in Quantitative Flowback Analysis (Paper SPE 175983). C. R. Clarkson; J.D.* Williams-Kovacs; B.* * Zanganeh. (2015)
  • A Semi-Analytical Method for Forecasting WellsCompleted in Low Permeability, Undersaturated CBM Reservoirs (Paper SPE 176869). C. R. Clarkson; F.* * Qanbari. (2015)
  • Identifying Sources, Formation Pathways, and Geologic Controls of Methane in Shallow Groundwater Above Unconventional Natural Gas Plays in Alberta, Canada. R. Millot; D. Lawton; B. Mayer; M. Nightingale; C. R. Clarkson; P. Humez; A. Cahill; K. Osadetz; W. Kloppmann; J. A. Cherry; B. L. Parker. (2015)
  • Predicting the Microseismic Response in a Naturally Fractured Shale Reservoir using a Discrete Fracture Network Model. M.* MacKay; C.R. *PhD Clarkson; D. Eaton. 4 pages. (2016)
  • Petrophysical, Geomechanical, and Geochemical Characteristics of the Montney Formation: Implications for Hydrocarbon Storage and Transport. A. Vahedian; J.M. *RA Wood; O . Haeri-Ardakani; N.* Riazi; H. Sanei; C. R. Clarkson; A.* Ghanizadeh; S. Aquino. 4 pages. (2016)
  • Rate-Transient Analysis of Liquid-Rich Tight/Shale Reservoirs Using the Dynamic Drainage Area Concept: Examples from North American Reservoirs (Paper SPE 180230). C.R. * Clarkson; F.* Qanbari. (2016)
  • Modeling PVT Behavior of Gas-Condensate System Under Pore Confinement Effects:Implications for Rate-Transient Analysis of Gas-Condensate Shale Plays (Paper SPE 180264). C. R. Clarkson; B.* Haghsehnas; F.* Qanbari; S.N. * Chen. (2016)
  • The Importance of Seismic Attributes in Reservoir Characterization and Inter-well Connectivity Studies of Tight Oil Reservoirs. N.* Riazi; C.R. *PDF Clarkson. 6 pages. (2016)
  • Application of Profile (probe) Permeability and Mechanical (rebound) Hardness Tests for Characterization of Fluid Transport and Geomechanical Properties of Selected Formations in Western Canada. A. Vahedian; C.P.* Vocke; S. Aquino; C. R. Clarkson; K. Osadetz; D. C. Lawton; A.** *BSc Ghanizadeh. 3 pages. (2016)
  • Pore Throat Size of Canadian Tight Oil and Liquid-Rich Gas Reservoirs: Implications for Hydrocarbon Transport. O . Haeri-Ardakani; A.* Ghanizadeh; N.* Riazi; C. R. Clarkson; J.M. *RA Wood; S. Aquino; H. Sanei; A. Vahedian. 1 page. (2016)
  • Unpropped/Propped Fracture Permeabillity and Proppant Embedment Evaluation: A Rigorous Core Analysis/Imaging Methodology (Paper URTeC 2459818). J.M. * Wood; PhD candidate; C. R. Clarkson; H.* Deglint; A.* Ghanizadeh; A. Vahedian; S. Aquino. (2016)
  • Understanding Wettability Heterogeneity at the Micro and Nano Scale in Unconventional Light Oil Reservoirs (Paper URTeC 2461328). C. R. Clarkson; S. Aquino; Research Associate; A.* * Ghanizadeh; F. F. Krause; A. Vahedian; C. DeBuhr; H.J.* Deglint. (2016)
  • Rate Dependency of Bilinear Flow in Fractured Shale/Tight Gas Reservoirs (Paper URTeC 2456352). C.R. * Clarkson; M.S.* Kanfar. (2016)
  • A Semi-Analytical Model for Matching Flowback and Early-Time Production of Multi-Fractured Horizontal Tight Oil Wells (Paper URTeC 2460083). J.D.* * Williams-Kovacs; C. R. Clarkson; F.* Qanbari. (2016)
  • Multi-Well, Multi-Phase Flowing Material Balance (Paper SPE 185052). M.S.* Shahamat; C.R. * Clarkson. (2017)
  • A Modeling Study of EOR Potential for CO2 Huff-n-Puff in Tight Oil Reservoirs: Example from the Bakken Formation (Paper SPE 185026). C. * Hetherington; C. R. Clarkson; S.M.* Ghaderi; Postdoctoral Fellow; M.S.* Kanfar; M. M. Reynolds. (2017)
  • Simulation of Enhanced Recovery using CO2 in a Liquid-Rich Western Canadian Unconventional Reservoir: Accounting for Reservoir Fluid Adsorption and Compositional Heterogeneity (Paper SPE 185069). C.R. * Clarkson; F.* Qanbari; B.* Haghshenas. (2017)
  • Improved Oil Recovery in Tight Formations: Results of Water Injection Operations in the Bakken Formation of Southeast Saskatchewan (Paper SPE 185030). A.* Ghanizadeh; S.M.* Ghaderi; Research Associate; R. * Fiorentino; K. Barry; C. R. Clarkson. (2017)
  • Factors Affecting Huff-n-Puff Efficiency in Hydraulically-Fractured Tight Reservoirs (Paper SPE 185062). C.R. * Clarkson; M.S.* Kanfar. (2017)
  • Reinterpretation of Fracture Closure Dynamics During Diagnostic Fracture Injection Tests (Paper SPE 185649). B.* Zanganeh; R.V. * Hawkes; C. R. Clarkson. (2017)
  • Incorporation of Formation Water into Rate-Transient Analysis of Tight Oil Wells with High Water-Oil Ratio: A Field Example from North America (Paper SPE 185745). C. R. Clarkson; M.S.* * Shahamat; Postdoctoral Fellow; F.* Qanbari. (2017)
  • Fracture Propagation, Leakoff, and Flowback Modeling for Tight Oil Wells Using the Dynamic Drainage Area Concept (Paper SPE 185724). J.D.* Williams-Kovacs; C. R. Clarkson; B.* * Zanganeh; F.* Qanbari. (2017)
  • The Evolution of Petrophysical Properties during Pyrolysis: Examples from the Montney and Duvernay Formations, Canada. C. R. Clarkson; K.* Clarke; H. *MSc Sanei. (2017)
  • Porosity Variations in the Upper Ordivician Utica Shale Southern Quebec, Canada. A.* Ghanizadeh; O. H. Ardakani; H. Sanei; C.R. *RA Clarkson; Z. Chen; D. Lavoie. (2017)
  • Use of Drill Cuttings and Flowback Fluid Compositions to Constrain Connected Fracture Height Growth in Low-Permeability Reservoirs. C. R. Clarkson; C.S. *PhD Iwuoha; M.S.* Kanfar; S.M.** Ghaderi. 2 pages. (2017)
  • A Comparison of Dynamic and Static Geomechanical Properties of the Montney Formation: An Integrated Experimental Study. N.* Riazi; C. R. Clarkson; R.C.K Wong; A.* *RA Ghanizadeh; A. Vahedian; S. McKean; J. Priest. 2 pages. (2017)
  • Imaging of Micro-scale Wettability and Fluid Distribution in Unconventional Light Oil Reservoirs. H.J.* Deglint; C. R. Clarkson; A.** *PhD Ghanizadeh; C.** DeBuhr. 2 pages. (2017)
  • Determination of Elastic Anisotropy of Intact and Artificially-Fractured Montney Tight Siltstone Samples using Ultrasonic Measurements. A. Ghanizadeh; J.M. *RA Wood; A.* Vahedian; C. R. Clarkson; N.* Riazi. 2 pages. (2017)
  • An Adaptive Sampling Strategy to Accelerate Markov Chains Monte Carlo. C.R. *PDF Clarkson; I. Couckuyt; Mario Costa Sousa; H.* Hamdi; T. Dhaene. (2017)
  • Quantifying Water-Rock Interactions during Hydraulic Fracturing from the Analysis of Flowback Water. B. Mayer; C. R. Clarkson; E. Gaucher; W. Kloppmann; F. Osselin; M. Nightingale. (2017)
  • Reinterpretation of Flow Patterns During DFITs Based on Dynamic Fracture Geometry, Leakoff and Afterflow (paper SPE 189840). C. R. Clarkson; J.R. *PhD Jones; B.* Zanganeh. (2018)
  • Stochastic Modeling and Assisted History-Matching Using Multiple Techniques of Multi-Phase Flowback from Multi-Fractured Horizontal Tight Oil Wells (paper SPE 189786). J.D.* Williams-Kovacs; *PDF C.R.; Clarkson. (2018)
  • Characterization of Reservoir Quality in Tight Rocks using Drill Cuttings: Examples from the Montney Formation Alberta, Canada (paper SPE 189807). Z.** Yang; B.*** Rashidi; C. R. Clarkson; J.J.* Hobbs; R.M. *BSc Bustin; C. Song; S. Hazell; N.* Sidhu; A.*** Ghanizadeh. (2018)
  • Estimation of Petrophysical Properties of Tight Rocks from Drill Cuttings Using Image Analysis: An Integrated Laboratory-Based Approach (paper SPE 189825). S. Hazell; A.*** Ghanizadeh; R.M. *MSc Bustin; H.J.** Deglint; C. R. Clarkson; C.P.* Vocke. (2018)
  • DFIT Analysis in Low Leakoff Formations: A Duvernay Case Study (paper SPE 189826). B.* Zanganeh; C. R. Clarkson; J.R. *PhD Jones; M.K.* MacKay. (2018)
  • Impact of Entrained Hydrocarbon and Organic Matter Components on Reservoir Quality of Organic-Rich Shales: Implications for Sweet Spot Identification in the Duvernay Formation Canada (paper SPE 189787). H. Sanei; B.*** Rashidi; C. Song; Z.* Yang; C.*** DeBuhr; K.M.* Clarke; A.*** Ghanizadeh; D.P. *MSc Royer; A.** Vahedian; B.** Haghshenas; O. H. Ardakani; C. R. Clarkson. (2018)
  • A Comprehensive Approach for Assessing Potential Fugitive Gas Migration Associated with Petroleum Development from Low Permeability Reservoirs: Case Studies from Western Canada. V. Becker; W., Gaucher; K.; F. Osselin; E., Osadetz; T. Cheung; J., Nightingale; Cherry Parker; P. Humez; Kloppmann C.R.; M., Clarkson; Donald Caleb Lawton; B. Mayer; D.. (2018)
  • Linking Rock Physics Modeling and Time-Lapse Seismic Inversion in the Montney Formation. B. Russell; C.R. *RA Clarkson; N.* Riazi. 1 page. (2018)
  • Time-Frequency Analysis of Treatment Pressure. M.K.* MacKay; C.R. *PhD Clarkson; D. W. Eaton. 4 pages. (2018)
  • Advanced Core/Cutting Analysis Methods for Evaluation of Enhanced Oil Recovery in Tight Oil and Liquid-Rich Gas Reservoirs. B.*** Rashidi; C. Song; J. M. Wood; H.**** Hamdi; A.*** Ghanizadeh; B.**** Haghshenas; N.*** Riazi; K.M.* Clarke; C. DeBuhr; C. R. Clarkson; H.J.** Deglint; T. *MSc Grimison; D. Royer; A. Vahedian; Z.* Zang. 2 pages. (2018)
  • Inverse Reservoir Property Estimation and Artificial Neural Network-Assisted 3D Modeling of the Montney Formation, Alberta. S. C. Iwuoha; P. K. Pedersen; B.* Rashidi; C.R. *RA Clarkson. 1 page. (2018)
  • Time-Frequency Analysis of Treatment Pressure from Hydraulic Fracturing (paper DFNE 18-1377). M.* MacKay; B.* Zanganeh; C.R. *PhD Clarkson; D. W. Eaton. (2018)
  • Controls on Liquid Hydrocarbon Permeability of Tight Oil and Liquid-Rich Gas Reservoirs: Examples from Bakken and Montney Formations (Canada) (paper URTeC 2902898). H.J.* *PhD Deglint; A.** Ghanizadeh; A. Vahedian; C. Song; C.** DeBuhr; C. R. Clarkson. (2018)
  • Rigorous Estimation of the Initial Conditions of Flowback using a Coupled Hydraulic Fracture/Dynamic Drainage Area Leakoff Model Constrained by Laboratory Geomechanical Data (paper URTeC 2901771). B.* Yuan; C. R. Clarkson; Z.* Zhang; J.D.* *PDF Williams-Kovacs; A.** Ghanizadeh. (2018)
  • Use of Rate-Transient Analysis Techniques for Evaluating Experimental Core Permeability Tests for Unconventional Reservoirs (paper URTeC 2902799 ). A Vahedian; C. R. Clarkson; B.* Zanganeh; C., Hamdi Song; A.*** Ghanizadeh; student H.** *PhD. (2018)
  • Transient Linear Flow Analysis of Multi-Fractured Horizontal Wells Considering Three-Phase Flow and Pressure-Dependent Rock Properties (paper URTeC 2884255). H.* Hamdi; H.* Behmanesh; A. *PDF Chin; C. R. Clarkson; D. M. Anderson; J. N. Thompson. (2018)
  • Huff-n-Puff Gas Injection Performance in Shale Reservoirs: A Case Study from Duvernay Shale in Alberta, Canada (paper URTeC 2902835). A.** Ghanizadeh; A. *PDF Esmail; A. Vahedian; S.M.* Ghaderi; N.** Riazi; H.* Hamdi; C. R. Clarkson. (2018)
  • Distance of Investigation Could be Misused in Unconventional Heterogeneous Reservoirs with Non-Static Properties (paper SPE 191698). C.R. *PDF Clarkson; B.* Yuan; Z.* Zhang. (2018)
  • Relative Permeability Curve Shapes in Coalbed Methane Reservoirs. S. Zhu; C. R. Clarkson; J. A. Barkla; A. Salmachi. (2018)
  • Pore Scale Variability and Fluid Distributions in Montney Formation: New Insights from Three-Dimensional Reservoir Characterization and Montney. C. R. Clarkson; P. K. Pedersen; S. C. Iwuoha. 8 pages. (2018)
  • Estimation of Unconventional Reservoir Matrix Permeability and Pore Volume Using Rate-Transient Analysis Techniques: Method Refinements. A.* Ghanizadeh; C. *RA Song; A. Vahedian; C. R. Clarkson. 4 pages. (2019)
  • Possible Alteration of Mineral Wettability due to Interaction with Reservoir and Hydraulic Fracturing Fluids. H. Yarveicy; A.* *RA Ghanizadeh; A. Younis; C.* DeBuhr; H. Deglint; C. R. Clarkson. 3 pages. (2019)
  • Elastic Anisotropy and Dynamic Rock Mechanical Properties of the Montney and Duvernay Formations (Canada): A Comparative Laboratory Study. N. Riazi; J.M. *RA Wood; A. Younis; C. R. Clarkson; A. Vahedian; A.* Ghanizadeh. 3 pages. (2019)
  • A Rock Mass Approach to Assess Hydro-Mechanical Deformation in Tight Rock Reservoirs. D.W. *PhD Eaton; C. R. Clarkson; M.K.* MacKay. 4 pages. (2019)
  • Quasi Seismic-Scale Modeling of the Montney Formation from Well Log Data: A Quick Look Technique for Assessing Reservoir Heterogeneity and Geomechanical Characteristics. C. R. Clarkson; S. C. Iwuoha; P. K. Pedersen. 4 pages. (2019)
  • Application of Lab-Derived Parameters to Constrain Quantitative Flowback Analysis in the Duvernay Shale. A.** *PDF Ghanizadeh; J.D.* Williams-Kovacs; C. R. Clarkson; Z.* Zhang. 2 pages. (2019)
  • Advanced Algorithms for Quantification of Mineralogical Composition from Elemental Composition (XRF) Data: Examples from the Montney, Duvernay and Bakken Formations (Canada). C.P.* Vocke; A. Younis; C. R. Clarkson; C.** DeBuhr; A. Vahedian; H. J. Deglint; A.** *MSc Ghanizadeh; Z.* Yang. 2 pages. (2019)
  • Integrated Frac-through-Flowback Modeling to Estimate the Initial Conditions of Flowback: Example from the Montney Formation. Z*. Zhang; A.** Ghanizadeh; J.D.* *PDF Williams-Kovacs; C. R. Clarkson. (2019)
  • A Bayesian Approach for Optimizing the Huff-n-Puff Gas Injection Performance in Shale Reservoirs Under Parametric Uncertainty: A Duvernay Shale Example (paper SPE 195438). A. Esmail; H.* Hamdi; Sousa, Costa; C. R. Clarkson. (2019)
  • Compositional Controls on Micro-Scale Fluid Distribution in Tight Rocks: Examples from the Montney Formation (Canada) (paper URTeC 983). H. Deglint; C.* DeBuhr; A.* Ghanizadeh; O.H. *RA Ardakani; C. Song; D. Cronkwright; C. R. Clarkson. (2019)
  • Post-Fracture Pressure Decay: A Novel (and Free) Stage-Level Assessment Method (paper URTeC 970). student C.R. *PhD; A. Springer; M. Sullivan; Clarkson and; B.* Zanganeh. (2019)
  • Anomalous Diffusion or Classical Diffusion in an Anomalous Reservoir? Evaluation of the Impact of Multi-Phase Flow on Reservoir Signatures in Unconventional Reservoirs (paper URTeC 85). C. R. Clarkson; J. Thompson; H.* Behmanesh; D. Anderson; Z.* Zhang; B.* Yuan; H.* Hamdi; D. *PDF Lougheed; F.** Tabasinejad. (2019)
  • Rigorous Modeling of Salt Transport During Frac, Shut-in, and Flowback to Constrain Hydraulic Fracture/Reservoir Property Estimates (paper URTeC 109). J.D.** Williams-Kovacs; A.** *PDF Ghanizadeh; Z*. Zhang; B.* Yuan; C. R. Clarkson. (2019)
  • A Semi-Analytical Approach for Analysis of Wells Exhibiting Multi-Phase Transient Linear Flow: Application to Field Data (paper SPE 196164). C.R. *PDF Clarkson; H.* Behmanesh; H.* Hamdi. (2019)
  • A New Straight-Line Analysis Method for Estimating Fracture/Reservoir Properties Based on Dynamic Fluid-in-Place Calculations (paper SPE 195930). C. R. Clarkson; Z.* *PDF Zhang; B.* Yuan. (2019)

More Information

Peer-Reviewed Publications: Independent Career
Accepted, Published or In-Press

  • Deglint, H.J., Clarkson, C.R., DeBuhr, C., and Ghanizadeh, A. 2017. Live Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs. Scientific Reports (Open Access). DOI: 10.1038/s415898-017-04239-x.
  • Jia, P., Cheng, L., Qanbari, F., and Clarkson, C.R. 2017. A Laplace Domain Hybrid Model for Representing Flow Behavior of Multi-Fractured Horizontal Wells Communicating Through Secondary Fractures in Unconventional Reservoirs. Accepted (May 2017) for publication: SPE Journal.
  • Shahamat, M.S., and Clarkson, C.R. 2017. Multi-Well, Multi-Phase Flowing Material Balance. Accepted (May 2017) for publication: SPE Reservoir Evaluation & Engineering – Formation Evaluation.
  • Kanfar, M.S., and, Clarkson, C.R. 2017. Rate Dependence of Bilinear Flow in Unconventional Gas Reservoirs. Accepted (February 2017) for publication: SPE Reservoir Evaluation & Engineering – Reservoir Engineering.
  • Vishkai, M., Wang, J., Wong, R.C.K., Clarkson, C.R., Gates, I.D. 2017. Modeling Geomechanical Properties in the Montney Formation, Alberta, Canada. International Journal of Rock Mechanics & Mining Sciences 96: 94-105. DOI: 10.1016/j.ijrmms.2017.04.001.
  • Clarkson, C.R., Salmachi, A. 2017. Rate-Transient Analysis of an Undersaturated CBM Reservoir in Australia: Accounting for Effective Permeability Changes Above and Below Desorption Pressure. Journal of Natural Gas Science and Engineering (JNGSE) 40: 51-60. DOI: 10.1016/j.jngse.2017.01.030.
  • Ghanizadeh, A., Clarkson, C.R., Aquino, S., and Vahedian, A. 2017. Permeability Standards for Tight Rocks: Design, Manufacture, and Validation. Fuel 197: 121-137. DOI: 10.1016/j.Fuel.2017.01.102
  • Riazi, N., Clarkson, C.R., Ghanizadeh, A., Vahedian, A., Aquino, S., Wood, J.M. 2017. Determination of Elastic Properties of Tight Rocks from Ultrasonic Measurements: Examples from the Montney Formation (Alberta, Canada). Fuel 196: 442-457. DOI: 10.1016/j.Fuel.2017.01.084
  • Solano, N., Soroush, M., Clarkson, C.R., Krause, F.F., and Jensen, J.L. 2017. Modeling Core-Scale Permeability Anisotropy in Highly Bioturbated Tight-Oil Reservoir Rocks. Comput Geosci 21: 567-593. DOI: 10.1007/s10596-017-9635-2
  • Gasaway, C., Mastalerz, M., Krause, F., Clarkson, C.R., and DeBuhr, C. 2017. Applicability of Micro-FTIR in Detecting Shale Heterogeneity. Journal of Microscopy 265 (01): 60-72. DOI: 10.1111/jmi.12463
  • Clarkson, C.R., Ghaderi, S.M., Kanfar, M.S., Iwuoha, C.S., Pedersen, P.K., Nightingale, M., Shevalier, M., and Mayer, B. 2016. Estimation of Fracture Height Growth in Layered Tight/Shale Gas Reservoirs using Flowback Gas Rates and Compositions – Part II: Field Application in a Liquid-Rich Tight Reservoir. Journal of Natural Gas Science and Engineering (JNGSE) 36: 1031-1049. DOI: 10.1016/j.jngse.2016.11.014.
  • Ghaderi, S.M., and Clarkson, C.R. 2016. Estimation of Fracture Height Growth in Layered Tight/Shale Gas Reservoirs using Flowback Gas Rates and Compositions – Part I: Model Development. Journal of Natural Gas Science and Engineering (JNGSE) 36: 1018-1030. DOI: 10.1016/j.jngse.2016.05.058.
  • Clarkson, C.R., and Qanbari, F. 2016. Semi-Analytical Model for Matching Flowback and Early-Time Production of Multi-Fractured Horizontal Tight Oil Wells. Journal of Unconventional Oil and Gas Resources (JUOGR) 14: 134-145. DOI: 10.1016/j.juogr.2016.07.002.
  • Qanbari, F., and Clarkson, C.R. 2016. Rate-Transient Analysis of Liquid-Rich Tight/Shale Reservoirs Using the Dynamic Drainage Area Concept: Examples from North American Reservoirs. Journal of Natural Gas Science and Engineering (JNGSE) 35: 224-236. DOI: 10.1016/j.jngse.2016.08.049.
  • Haghshenas, B., and Clarkson, C.R. 2016. Characterization of Multi-Fractured Horizontal Shale Wells using Drill Cuttings: 2. Permeability/Diffusivity Estimation. Journal of Natural Gas Science and Engineering (JNGSE) 32: 586-596. DOI: 10.1016/j.jngse.2016.03.055.
  • Clarkson, C.R., and Haghshenas, B. 2016. Characterization of Multi-Fractured Horizontal Shale Wells using Drill Cuttings: 1. Fluid-in-Place Estimation. Journal of Natural Gas Science and Engineering (JNGSE) 32: 574-585. DOI: 10.1016/j.jngse.2016.02.056.
  • Solano, N., Clarkson, C.R., and Krause, F.F. 2016. Characterization of Fine-Scale Rock Structure and Differences in Mechanical Properties in Tight Oil Reservoirs: An Evaluation at the Scale of Elementary Lithological Components Combining Photographic and X-ray Computed Tomographic Imaging, Profile-Permeability and Microh ardness Testing. Journal of Unconventional Oil and Gas Resources (JUOGR) 15: 22-42. DOI: 10.1016/j.juogr.2016.04.003.
  • Kanfar, M.S., and Clarkson, C.R. 2016. Reconciling Flowback and Production: A Novel History-Matching Approach for Liquid-Rich Shales. Journal of Natural Gas Science and Engineering (JNGSE). DOI: 10.1016/j.jngse.2016.04.042.
  • Clarkson, C.R., Haghshenas, B., Ghanizadeh, A., Qanbari, F., Williams-Kovacs, J.D., Riazi, N., Debuhr, C., and Deglint, H. 2016. Nanopores to Megafractures: Current Challenges and Methods for Shale Gas Reservoir and Hydraulic Fracture Characterization. Invited Review Article, Journal of Natural Gas Science and Engineering (JNGSE) 31: 612-657. DOI: 10.1016/j.jngse.2016.01.041
  • Clarkson, C.R., and Qanbari, F. 2016. A Semi-Analytical Method for Forecasting Wells Completed in Low Permeability, Undersaturated CBM Reservoirs. Journal of Natural Gas Science and Engineering (JNGSE) 30: 19-27. DOI: 10.1016/j.jngse.2016.01.040
  • Williams-Kovacs, J.D., and Clarkson, C.R. 2016. A Modified Approach for Modeling Two-Phase Flowback From Multi-Fractured Horizontal Shale Gas Wells. Journal of Natural Gas Science and Engineering (JNGSE) 30: 127-147. DOI: 10.1016/j.jngse.2016.02.003
  • Clarkson, C.R., and Qanbari, F., 2016. History-Matching and Forecasting Tight Gas Condensate and Oil Wells Using An Approximate Semi-Analytical Model Based on the Dynamic Drainage Area Concept. SPE Reservoir Evaluation & Engineering (SPEREE), March 2016. SPE-175929-PA
  • Heidari Sureshjani, M., Clarkson, C.R., Behmanesh, H., and Soroush, M. 2016. A Direct Method for Property Estimation from Analysis of Infinite Acting Production in Shale/Tight Reservoirs. Journal of Petroleum Science and Engineering (JPSE) 143: 26-34. DOI: 10.1016/j.petrol.2016.02.007.
  • Sanei, H., Ardakani, O.H., Ghanizadeh, A., Clarkson, C.R., and Wood, J.M. 2016. Simple Petrographic Grain Size Analysis of Siltstone Reservoir Rocks: An Example from the Montney Tight Gas Reservoir (Western Canada). Fuel 166: 253-257.
  • Kondla, D., Sanei, H., Clarkson, C.R., Ardakani, O.H., and Wang, X. 2016. Effects of Organic and Mineral Matter on Reservoir Quality in a Middle Triassic Mudstone in the Canadian Arctic. International Journal of Coal Geology (IJCG) 153: 112-126. DOI: 10.1016/j.coal.2015.11.012.
  • Clarkson, C.R., and Qanbari, F. 2015. An Approximate Semi-Analytical Multi-Phase Forecasting Method for Multi-Fractured Light Tight Oil Wells With Complex Fracture Geometry. Journal of Canadian Petroleum Technology (JCPT) 54 (06): 489-508. SPE-178665-PA.
  • Behmanesh, H., Clarkson, C.R., Tabatabaie, S.H., and Heidari-Sureshjani, M. 2015. Impact of Distance-of-Investigation Calculations on Rate-Transient Analysis of Unconventional Gas and Light-Oil Reservoirs: New Formulations for Linear Flow. Journal of Canadian Petroleum Technology (JCPT) 54 (06): 509-519. SPE-178928-PA.
  • Clarkson, C.R., and Qanbari, F. 2015. Transient Flow Analysis and Partial Water Relative Permeability Curve Derivation for Low Permeability Undersaturated Coalbed Methane Wells. International Journal of Coal Geology (IJCG) 152: 110-124. DOI: 10.1016/j.coal.2015.10.008.
  • Clarkson, C.R., Williams-Kovacs, J.D., Qanbari, F., Behmanesh, H. and Heidari-Sureshjani, M. 2015. History-Matching and Forecasting Tight/Shale Gas Condensate Wells Using Combined Analytical, Semi-Analytical, and Empirical Methods. Journal of Natural Gas Science and Engineering (JNGSE) 26: 1620-1647. DOI: 10.1016/j.jngse.2015.03.025
  • Gensterblum, Y., Ghanizadeh, A., Cuss, R.J., Amann-Hildebrand, A., Kroos, B.M., Clarkson, C.R., Harrington, J.F., Zoback, M.D. 2015. Gas Transport and Storage Capacity in Shale Gas Reservoirs – A Review. Part A: Transport Processes. Review Article, Journal of Unconventional Oil and Gas Resources (JUOGR) 12: 87-122. DOI: 10.1016/j.juogr.2015.08.001.
  • Wood, J.M., Sanei, H., Curtis, M.E., and Clarkson, C.R. 2015. Solid Bitumen as a Determinant of Reservoir Quality in an Unconventional Tight Gas Siltstone Play. International Journal of Coal Geology (IJCG) 150-151: 287-295. DOI: 10.1016/j.coal.2015.03.015.
  • Sanei, H., Wood, J.M., Ardakani, O.H., Clarkson, C.R., Jiang. C. 2015. Characterization of Organic Matter Fractions in an Unconventional Tight Gas Siltstone Reservoir. International Journal of Coal Geology (IJCG) 150-151: 296-305. DOI: 10.1016/j.coal.2015.04.004.
  • Kondla, D., Sanei, H., Embry, A., Ardakani, O.H., Clarkson, C.R. 2015. Depositional Environment and Hydrocarbon Potential of the Middle Triassic Strata of the Sverdrup Basin, Canada. International Journal of Coal Geology (IJCG) 147-148: 71-84. DOI: 10.1016/j.coal.2015.06.010.
  • Hamdi, H., Behmanesh, H., Clarkson, C.R., and Costa Sousa, M. 2015. Using Differential Evolution for Compositional History-Matching of a Tight Gas Condensate Well in the Montney Formation in Western Canada. Journal of Natural Gas Science and Engineering (JNGSE) 26: 1317-1331. DOI: 10.1016/j.jngse.2015.08.015.
  • Heidari Sureshjani, M., and Clarkson, C.R. 2015. An Analytical Model for Analyzing and Forecasting Production From Multifractured Horizontal Wells With Complex Branched-Fracture Geometry. SPE Reservoir Evaluation & Engineering (SPEREE) 18 (3): 356-374. SPE-176025-PA.
  • Heidari Sureshjani, M., and Clarkson, C.R. 2015. Transient Linear Flow Analysis of Constant-Pressure Wells with Finite Conductivity Hydraulic Fractures in Tight/Shale Reservoirs. Journal of Petroleum Science and Engineering 133: 455-466. DOI: 10.1016/j.petrol.2015.06.036.
  • Ghanizadeh, A., Clarkson, C.R., Aquino, S., Ardakani, O.H., Sanei, H. 2015. Petrophysical and Geomechanical Characteristics of Canadian Tight Oil and Liquid-Rich Gas Reservoirs: I. Pore Network and Permeability Characterization. Fuel 153: 664-681.
  • Ghanizadeh, A., Clarkson, C.R., Aquino, S., Ardakani, O.H., Sanei, H. 2015. Petrophysical and Geomechanical Characteristics of Canadian Tight Oil and Liquid-Rich Gas Reservoirs: II. Geomechanical Property Estimation. Fuel 153: 682-691.
  • Behmanesh, H., Hamdi, H., and Clarkson, C.R. 2015. Production Data Analysis of Tight Gas Condensate Reservoirs. Journal of Natural Gas Science and Engineering (JNGSE) 22: 22-34. DOI: 10.1016/j.jngse.2014.11.005.
  • Clarkson, C.R., and Qanbari, F. 2015. A Semianalytical Forecasting Method for Unconventional Gas and Light Oil Wells: A Hybrid Approach for Addressing the Limitations of Existing Empirical and Analytical Methods. SPE Reservoir Evaluation & Engineering (SPEREE) 18 (1): 94-110. SPE-170767-PA.
  • Ghanizadeh, A., Bhowmik, S., Haeri-Ardakani, O., Sanei, H., and Clarkson, C.R. 2015. A Comparison of Shale Permeability Coefficients Derived using Multiple Non-Steady-State Measurement Techniques: Examples from the Duvernay Formation, Alberta (Canada). Fuel 140 (15): 371-387.
  • Bahadur, J., Melnichenko, Y.B., Mastalerz, M., Furmann, A., and Clarkson, C.R. 2014. Hierarchical Pore Morphology of Cretaceous Shale: A Small-Angle Neutron Scattering and Ultrasmall-Angle Neutron Scattering Study. Energy & Fuels 28 (10): 6336-6344.
  • Williams-Kovacs, J.D., and Clarkson C.R. 2014. A New Tool for Prospect Evaluation in Shale Gas Reservoirs. Journal of Natural Gas Science and Engineering (JNGSE) 18: 90-103. DOI: 10.1016/j.jngse.2014.01.020.
  • Qanbari, F., Clarkson, C.R. 2014. Analysis of Transient Linear Flow in Stress-Sensitive Formations. SPE Reservoir Evaluation & Engineering (SPEREE) 17 (1). SPE-162741-PA.
  • Nobakht, M., Ambrose, R., and Clarkson, C.R. 2013. Effect of Heterogeneity in a Horizontal Well with Multiple Fractures on the Long-Term Forecast in Shale Gas Reservoirs. Journal of Canadian Petroleum Technology (JCPT) 52 (6). SPE-149400-PA.
  • Qanbari, F., Clarkson, C.R. 2013. A New Method for Dry Gas and Gas Condensate Production Data Analysis for Tight and Shale Gas Reservoirs during Transient Linear Flow Period. Journal of Natural Gas Science and Engineering (JNGSE) 14: 55-65. DOI: 10.1016/j.jngse.2013.05.005
  • Clarkson, C.R., Qanbari, F., Nobakht, M., Heffner, L. 2013. Incorporating Geomechanical and Dynamic Hydraulic Fracture Property Changes into Rate-Transient Analysis: Example from the Haynesville Shale. SPE Reservoir Evaluation & Engineering (SPEREE) 16 (3): SPE-162526-PA
  • Clarkson, C.R., and Williams-Kovacs, J.D. 2013. Modeling 2-Phase Flowback of Multi-Fractured Horizontal Wells Completed in Shale. SPE Journal 18 (4). SPE-162593-PA
  • Ghaderi, S.M., Clarkson, C.R., and Kaviani, D. 2013. Investigation of Primary Recovery in Tight Oil Formations: A Look at the Cardium Formation, Alberta. Oil and Gas Science and Technology (open access, published online September 12, 2013). DOI: 10.2516/ogst/201209 .
  • Clarkson, C.R. 2013. Production Data Analysis of Unconventional Gas Wells: Review of Theory and Best Practices. Invited Review Article, International Journal of Coal Geology (IJCG) 109-110 (1): 101-146. DOI: 10.1016/j.coal.2013.01.002
  • Clarkson, C.R. 2013. Production Data Analysis of Unconventional Gas: Workflow. Invited Teaching Aid Article, International Journal of Coal Geology (IJCG) 109-110 (1): 147-157. DOI: 10.1016/j.coal.2012.11.016
  • Clarkson, C.R., Behmanesh, H., and Chorney, L.,2013. Production Data and Pressure Transient Analysis of Horseshoe Canyon CBM Wells, Part II: Accounting for Dynamic Skin. Journal of Canadian Petroleum Technology (JCPT) 52 (1): 41-53. DOI: 10.2118/148994-PA
  • Clarkson, C.R., Solano, N., Bustin, R.M., Bustin, A.M.M., Chalmers, G.R.L., He, L., Melnichenko, Y.B., Radlinski, A.P., and Blach, T.P., 2013. Pore Structure Characterization of North American Shale Gas Reservoirs Using SANS/USANS, Gas Adsorption, and Mercury Intrusion. Fuel 103 (1): 606-616. DOI: 10.1016/j.Fuel.2012.06.119
  • Nobakht, M., Clarkson, C.R., and Kaviani, D. 2013. New Type-Curves for Analyzing Horizontal Well with Multiple Fractures in Shale Gas Reservoirs. Journal of Natural Gas Science and Engineering (JNGSE) 10: 99-112. DOI: 10.1016/j.jngse.2012.09.002.
  • Clarkson, C.R., Wood, J.M., Burgis, S.E., Aquino, S.D., Freeman, M. 2012. Nanopore Structure Analysis and Permeability Predictions for a Tight Gas/Shale Reservoir Using Low-Pressure Adsorption and Mercury Intrusion Techniques. SPE Reservoir Evaluation & Engineering (SPEREE) 15 (6): 648-651. DOI: 10.2118/155537-PA
  • Clarkson, C.R., Freeman, M., He, L., Agamalian, M., Melnichenko, Y.B., Mastalerz, M., Bustin, R.M., Radlinski, A.P., and Blach, T.P. 2012. Characterization of Tight Gas Reservoir Pore Structure Using USANS/SANS and Gas Adsorption Analysis. Fuel 95: 371-385. DOI: 10.1016/j.Fuel.2011.12.010
  • Clarkson, C.R., Jensen, J.J. and Chipperfield, S. 2012. Unconventional Reservoir Evaluation: What Do We Have to Consider? Journal of Natural Gas Science and Engineering (JNGSE) 8: 9-33. DOI: 10.1016/j.jngse.2012.01.001.
  • Clarkson, C.R., Jordan, C.L., Ilk, D., and Blasingame, T.A. 2012. Rate-Transient Analysis of 2-Phase (gas + water) CBM Wells. Journal of Natural Gas Science and Engineering (JNGSE) 8: 85-98. DOI: 10.1016/j.jngse.2012.01.006.
  • Nobakht, M., and Clarkson, C.R. 2012. Analysis of Production Data in Shale Gas Reservoirs: Rigorous Corrections for Fluid Flow Properties. Journal of Natural Gas Science and Engineering (JNGSE) 8: 85-98. DOI: 10.1016/j.jngse.2012.02.002.
  • Nobakht, M., Clarkson, C.R. and Kaviani, D. 2012. New and Improved Methods for Performing Rate-Transient Analysis of Shale Gas Reservoirs. SPE Reservoir Evaluation & Engineering (SPEREE) 15 (3): 335-350. DOI: 10.2118/147869-PA.
  • Nobakht, M., and Clarkson, C.R. 2012. A New Analytical Method for Analyzing Linear Flow in Tight/Shale Reservoirs: Constant-Flowing-Pressure Boundary Condition. SPE Reservoir Evaluation & Engineering (SPEREE) 15 (3): 370-384. DOI: 10.2118/143989-PA.
  • Lespinasse, D.J., Clarkson, C.R., and Ferguson, R.J. 2012. Impedance Analysis for Methane and CO2 Discrimination in Coalbeds. Canadian Journal of Exploration Geophysics 36 (1): 37-45.
  • Clarkson, C.R., Nobakht, M., Kaviani, D. and Ertekin, T. 2012. Production Analysis of Tight-Gas and Shale-Gas Reservoirs Using the Dynamic-Slippage Concept. SPE Journal 17 (1): 230-242. DOI: 10.2118/144317-PA.
  • Nobakht, M., and Clarkson, C.R. 2012. A New Analytical Method for Analyzing Linear Flow in Tight/Shale Reservoirs: Constant-Rate Boundary Condition. SPE Reservoir Evaluation & Engineering (SPEREE) 15 (1): 51-59. DOI: 10.2118/143990-PA.
  • Clarkson, C.R., Jensen, J.L., Pedersen, P.K., and Freeman, M. 2012. Innovative Methods for Flow-Unit and Pore-Structure Analysis in a Tight Siltstone and Shale Gas Reservoir. AAPG Bulletin 96 (2): 355-374. DOI: 10.1306/05181110171
  • Nobakht, M., and Clarkson, C.R. 2012. Hybrid Forecasting Methods for Multi-Fractured Horizontal Wells: EUR Sensitivities. Advances in Petroleum Exploration and Development 3 (1): 1-10. DOI: 10.3968/j.aped.1925543820120301.152.
  • Clarkson, C.R., Rahmanian, M., Kantzas, A., and Morad, K. 2011. Relative Permeability of CBM Reservoirs: Controls on Curve Shape. International Journal of Coal Geology (IJCG) 88: 204-217. DOI: 10.1016/j.coal.2011.10.003
  • *Clarkson, C.R., and Beierle, J.J. 2011. Integration of Microseismic and Other Post-Fracture Surveillance with Production Analysis: A Tight Gas Study. Journal of Natural Gas Science and Engineering (JNGSE) 3: 382-401. DOI: 10.1016/j.jngse.2011.03.003. *Original conference paper summary published in October 2010 issue of JPT, an SPE magazine circulated to 100,000+ SPE members worldwide.
  • *Clarkson, C.R. and Bustin, R.M. 2011. Coalbed Methane: Current Field-Based Evaluation Methods. SPE Reservoir Evaluation & Engineering (SPEREE) 14 (11): 60–75. DOI: 10.2118/131791-PA. *Top most downloaded paper for SPEREE in June 2011.
  • *Ziarani, A.S., Aguilera, R., and Clarkson, C.R. 2011. Effect of Sorption Time on Coalbed Methane Recovery through Numerical Simulation. Fuel 90: 2428-2444. DOI: 10.1016/j.Fuel.2011.03.018. *1st author is post-doctoral student supervised by R. Aguilera. I provided guidance on how to model diffusion in coal with simulator and wrote certain sections of the paper.
  • Clarkson, C.R., Pan, Z., Palmer, I., and Harpalani, S. 2010. Predicting Sorption-Induced Strain and Permeability Increase with Depletion for CBM Reservoirs. SPE Journal 15 (1): 152-159. DOI: 10.2118/114778-PA.
  • Clarkson, C.R. 2009. Case Study: Production Data and Pressure Transient Analysis of Horseshoe Canyon CBM Wells. The Journal of Canadian Petroleum Technology (JCPT) 48 (10): 27-38. DOI: 10.2118/114485
  • Yi, J., Akkutlu, I.Y., Karacan, C.O. and Clarkson, C.R. 2009. Gas Sorption and Transport in Coals: A Poroelastic Medium Approach. International Journal of Coal Geology (IJCG), 77: 137-144. DOI:
  • Clarkson, C.R., Jordan, C.L., Gierhart, R.R., and Seidle, J.P. 2008. Production Data Analysis of CBM Wells. SPE Reservoir Evaluation & Engineering (SPEREE) 11 (2): 311–325. DOI: 10.2118/107705-PA.
  • Clarkson, C.R., Bustin, R.M., and Seidle, J.P. 2007. Production-Data Analysis of Single-Phase (Gas) Coalbed-Methane Wells. SPE Reservoir Evaluation & Engineering (SPEREE) 10 (3): 312–331. DOI: 10.2118/100313.
  • Clarkson, C.R., and McGovern, J.M. 2005. Optimization of Coalbed Methane Reservoir Exploration and Development Strategies Through Integration of Simulation and Economics. SPE Reservoir Evaluation & Engineering SPEREE 8 (6): 502–519. DOI: 10.2118/88843-PA.
  • *Clarkson, C.R. 2003. Application of a New Multicomponent Gas Adsorption Model to Coal Gas Adsorption Systems. SPE Journal 8 (3): 236–252. DOI: 10.2118/78146-PA. *Winner of the Rossiter W. Raymond Award (AIME) and Alfred Noble Prize (ASCE), presented at 2005 SPE ATCE meeting in Dallas, Texas
  • Other Refereed Contributions
  • Clarkson, C.R. and Ertekin, T. 2010. A new Model for Shale Gas Matrix Flow Using the Dynamic-Slippage Concept. Presentation at the AAPG/SEG/SPE Hedberg Conference "Critical Assessment of Shale Resource Plays", December 5-10, Austin Texas. Extended abstract 5 pages
  • Clarkson, C.R. 2011. Chapter 8.5 (Coalbed Methane), in Chapter 8 (Unconventional Resources Estimation) of SPE Guidelines for Application of the Petroleum Resources Management System.
  • Ghanizadeh, A., Aquino, S., Haeri-Ardakani, O., Sanei, H., and Clarkson, C.R. 2014. Geomechanical Controls on Matrix/Fracture Permeability of Tight Oil and Liquid-Rich Gas Reservoirs: Implications for Hydraulic Fracturing. AAPG/SEG/SPWLA HEDBERG CONFERENCE - "Fundamental Parameters Associated with Successful Hydraulic Fracturing – Means and Methods for a Better Understanding", AAPG, conference proceedings and online, 2014 December.
  • Peer-Reviewed Publications: Graduate Career
  • Published
  • Clarkson, C.R., and Bustin, R.M. 2000. Binary Gas Adsorption/Desorption Isotherms: Effect of Moisture and Coal Composition Upon Carbon Dioxide Selectivity Over Methane. International Journal of Coal Geology (IJCG) 42: 241-277.
  • Clarkson, C.R., and Bustin, R.M. 1999a. The Effect of Pore Structure and Gas Pressure upon the Transport Properties of Coal: A Laboratory and Modeling Study. 1. Isotherms and Pore Volume Distributions. Fuel 78: 1333-1344.
  • Clarkson, C.R., and Bustin, R.M. 1999b. The Effect of Pore Structure and Gas Pressure upon the Transport Properties of Coal: A Laboratory and Modeling Study. 2. Adsorption Rate Modeling. Fuel 78: 1345-1362.
  • Bustin, R.M., and Clarkson, C.R. 1998. Geological Controls on Coalbed Methane Reservoir Capacity and Gas Content. International Journal of Coal Geology 38 (1-2): 3-26.
  • *Clarkson, C.R., and Bustin, R.M. 1997. Application of the Mono/Multilayer and Adsorption Potential Theories to Coal Methane Adsorption Isotherms at Elevated Temperature and Pressure. Carbon 35 (12): 1689-1705. *Included "Activated Carbon Compendium" (collection of papers from the journal Carbon 1996-2000), edited by H. Marsh, Elsevier, 2000.
  • Clarkson, C.R., and Bustin, R.M. 1997. Variation in Permeability with Lithotype and Maceral Composition of Cretaceous Coals of the Canadian Cordillera. International of Journal of Coal Geology 33: 135-151.
  • Clarkson, C.R., and Bustin, R.M. 1996. Variation in Micropore Capacity and Size Distribution with Composition in Bituminous Coal of the Western Canadian Sedimentary Basin. Fuel 75 (13): 1483-1498.
  • Non Peer-Reviewed Publications: Independent Career
  • Full-Length Paper Conference Proceedings
  • Clarkson, C.R., Qanbari, F., Williams-Kovacs, J.D., and Zanganeh, B. 2017. Fracture Propagation, Leakoff, and Flowback Modeling for Tight Oil Wells Using the Dynamic Drainage Area Concept. Paper SPE 185724 presented at the SPE Western Regional Meeting held in Bakersfield, California, 23-27 April. Full-length conference paper.
  • Zanganeh, B., Clarkson, C.R., and Hawkes, R.V. 2017. Reinterpretation of Fracture Closure Dynamics During Diagnostic Fracture Injection Tests. Paper SPE 185649 presented at the SPE Western Regional Meeting held in Bakersfield, California, 23-27 April. Full-length conference paper.
  • Qanbari, F., Clarkson, C.R., Shahamat, M.S. 2017. Incorporation of Formation Water into Rate-Transient Analysis of Tight Oil Wells with High Water-Oil Ratio: A Field Example from North America. Paper SPE 185745 presented at the SPE Western Regional Meeting held in Bakersfield, California, 23-27 April. Full-length conference paper.
  • Shahamat, M.S.., and Clarkson, C.R. 2017. Multi-Well, Multi-Phase Flowing Material Balance. Paper SPE 185052 presented at the SPE Canada Unconventional Resources Conference held in Calgary, Alberta, Canada, 15-16 February. Full-length conference paper.
  • Ghaderi, S.M., Clarkson, C.R., Barry, K., and Fiorentino, R. 2017. Improved Oil Recovery in Tight Formations: Results of Water Injection Operations in the Bakken Formation of Southeast Saskatchewan. Paper SPE 185030 presented at the SPE Canada Unconventional Resources Conference held in Calgary, Alberta, Canada, 15-16 February. Full-length conference paper.
  • Haghshenas, B., Qanbari, F., and Clarkson, C.R. 2017. Simulation of Enhanced Recovery using CO2 in a Liquid-Rich Western Canadian Unconventional Reservoir: Accounting for Reservoir Fluid Adsorption and Compositional Heterogeneity. Paper SPE 185069 presented at the SPE Canada Unconventional Resources Conference held in Calgary, Alberta, Canada, 15-16 February. Full-length conference paper.
  • Kanfar, M.S., and Clarkson, C.R. 2017. Factors Affecting Huff-n-Puff Efficiency in Hydraulically-Fractured Tight Reservoirs. Paper SPE 185062 presented at the SPE Canada Unconventional Resources Conference held in Calgary, Alberta, Canada, 15-16 February. Full-length conference paper.
  • Kanfar, M.S., Ghaderi, S.M., Clarkson, C.R., Reynolds, M.M., and Hetherington, C. 2017. A Modeling Study of EOR Potential for CO2 Huff-n-Puff in Tight Oil Reservoirs: Example from the Bakken Formation. Paper SPE 185026 presented at the SPE Canada Unconventional Resources Conference held in Calgary, Alberta, Canada, 15-16 February. Full-length conference paper.
  • Clarkson, C.R., Qanbari, F., and Williams-Kovacs, J.D. 2016. A Semi-Analytical Model for Matching Flowback and Early-Time Production of Multi-Fractured Horizontal Tight Oil Wells. Paper URTeC 2460083 presented at the Unconventional Resources Technology Conference held in San Antonio, Texas, 1-3 August. Full-length conference paper.
  • Kanfar, M.S., and Clarkson, C.R. 2016. Rate Dependency of Bilinear Flow in Fractured Shale/Tight Gas Reservoirs. Paper URTeC 2456352 presented at the Unconventional Resources Technology Conference held in San Antonio, Texas, 1-3 August. Full-length conference paper.
  • Ghanizadeh, A., Clarkson, C.R., Deglint, H., Vahedian, A., Aquino, S., and Wood, J.M. 2016. Unpropped/Propped Fracture Permeabillity and Proppant Embedment Evaluation: A Rigorous Core Analysis/Imaging Methodology. Paper URTeC 2459818 presented at the Unconventional Resources Technology Conference held in San Antonio, Texas, 1-3 August. Full-length conference paper.
  • Deglint, H.J., DeBuhr, C., Clarkson, C.R., Krause, F.F., Aquino, S., Vahedian, A., and Ghanizadeh, A. 2016. Understanding Wettability Heterogeneity at the Micro and Nano Scale in Unconventional Light Oil Reservoirs. Paper URTeC 2461328 presented at the Unconventional Resources Technology Conference held in San Antonio, Texas, 1-3 August. Full-length conference paper.
  • Clarkson, C.R., and Solano, N.A. 2016. Combined Use of Neutron Scattering, Fluid Invasion and Image Analysis Techniques for Assessing Pore Structure, Accessibility and Connectivity in Tight Rock. Published in Clays and Clay Minerals (CCM), "Filling the Gaps – From Microscopic Pore Structures to Transport Properties in Shales, Workshop Lecture Series, vol. 21.
  • Bertier, P., Schweinar, K., Stanjek, H., Ghanizadeh, A., Clarkson, C.R., Bush, A., Kampman, N., Prinz, D., Amann-Hildenbrand, A., Kroos, B.M. 2016. On the Use and Abuse of N2 Physisorption for the Characterization of the Pore Structure of Shales. Published in Clays and Clay Minerals (CCM), "Filling the Gaps – From Microscopic Pore Structures to Transport Properties in Shales, Workshop Lecture Series, vol. 21.
  • Haghsehnas, B., Qanbari, F., Clarkson, C.R., and Chen, S.N. 2016. Modeling PVT Behavior of Gas-Condensate System Under Pore Confinement Effects: Implications for Rate-Transient Analysis of Gas-Condensate Shale Plays. Paper SPE 180264 presented at the SPE Low Perm Symposium held in Denver, Colorado, 5-6 May. Full-length conference paper.
  • Qanbari, F., and Clarkson, C.R. 2016. Rate-Transient Analysis of Liquid-Rich Tight/Shale Reservoirs Using the Dynamic Drainage Area Concept: Examples from North American Reservoirs. Paper SPE 180230 presented at the SPE Low Perm Symposium held in Denver, Colorado, 5-6 May. Full-length conference paper.
  • Clarkson, C.R., and Qanbari, F. 2015. A Semi-Analytical Method for Forecasting Wells Completed in Low Permeability, Undersaturated CBM Reservoirs. Paper SPE 176869 presented at the SPE Asia Pacific Unconventional Resources Conference and Exhibition held in Brisbane, Australia, 9-11 November. Full-length conference paper.
  • Clarkson, C.R., and Qanbari, F. 2015. History-Matching and Forecasting Tight Gas Condensate and Oil Well Using the Dynamic Drainage Area Concept. Paper SPE 175929 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 20-22 October. Full-length conference paper.
  • Haghshenas, B., Aquino, S.D., Clarkson, C.R., and Chen, S. 2015. Use of Gas Adsorption Data to Extract Diffusivity/Permeability from Shale Reservoir Drill Cuttings: Implications for Reservoir Characterization of Horizontal Laterals in Western Canadian Shale plays. Paper SPE 175979 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 20-22 October. Full-length conference paper.
  • Williams-Kovacs, J.D., Clarkson, C.R., and Zanganeh, B. 2015. Case Studies in Quantitative Flowback Analysis. Paper SPE 175983 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 20-22 October. Full-length conference paper.
  • Solano, S., Soroush, M., Clarkson, C.R., and Krause, F.F. 2015. High-Resolution Permeability Modeling in Highly Heterogeneous Tight-Oil Reservoirs. Paper SPE 175990 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 20-22 October. Full-length conference paper.
  • Zanganeh, B.S., Soroush, M., Williams-Kovacs, J.D., and Clarkson, C.R. 2015. Parameters Affecting Load Recovery and Oil Breakthrough Time after Hydraulic Fracturing in Tight Oil Wells. Paper SPE 175941 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 20-22 October. Full-length conference paper.
  • Ghanizadeh, A., Clarkson, C.R., Aquino, S., Vahedian, A., Ardakani, O.H., Sanei, H., Wood, J.M. 2015. Impact of Solvent-Extraction on Fluid Storage and Transport Properties of Montney Formation. Paper SPE 175954 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 20-22 October. Full-length conference paper.
  • Ghanizadeh, A., Gasparik, M., Aquino, S., Gensterblum, Y., Amann-Hildenbrand, A., Krooss, B., Rexer, T., Aplin, A., Clarkson, C.R. 2015. Pore Network Characteristics of European Organic-rich Shales: Implications for Fluid Storage and Transport. LowPerm2015 – Low Permeability Media and Nanoporous Materials. From Characterisation to Modelling: Can we do it better?, IFP, conference proceedings and online, June.
  • Clarkson, C.R., and Qanbari, F. 2015. An Approximate Analytical Multi-Phase Forecasting Method for MultiFractured Light Tight Oil Wells With Complex Fracture Geometry. Paper SPE 178665 presented at the Unconventional Resources Technology Conference held in San Antonio, Texas, 20-22 July. Full-length conference paper.
  • Williams-Kovacs, J.D., and Clarkson, C.R. 2015. A Modified Approach For Modelling 2-Phase Flowback From Multi-Fractured Horizontal Shale Gas Wells. Paper SPE 178511 presented at the Unconventional Resources Technology Conference held in San Antonio, Texas, 20-22 July. Full-length conference paper.
  • Behmanesh, H., Hamdi. H., and Clarkson, C.R. 2015. Analysis of Transient Linear Flow Associated with Hydraulically-Fractured Tight Oil Wells Exhibiting Multi-Phase Flow. Paper SPE 172928 presented at the SPE Middle East Unconventional Resources Conference and Exhibition held in Muscat, Oman, 26-28 January. Full-length conference paper.
  • Clarkson, C.R., and Qanbari, F. 2014 A Semi-Analytical Forecasting Method for Unconventional Gas and Light Oil Wells: A Hybrid Approach for Addressing the Limitations of Existing Empirical and Analytical Methods. Paper SPE 170767 presented at the SPE Annual Technical Conference and Exhibition held in Amsterdam, The Netherlands, 27-29 October. Full-length conference paper.
  • Williams-Kovacs, J.D., and Clarkson, C.R. 2014. Analysis of Multi-Well and Stage-by-Stage Flowback from Multi-Fractured Horizontal Wells. Paper SPE 171591 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 30 September- 2 October. Full-length conference paper.
  • Qanbari, F., Haghshenas, B., and Clarkson, C.R. 2014. Effects of Pore Confinement on Rate-Transient Analysis of Shale Gas Reservoirs. Paper SPE 171637 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 30 September- 2 October. Full-length conference paper.
  • Haghshenas, B., Clarkson, C.R., Bergerson, J., Chen, S., and Pan, Z. 2014. Improvement in Permeability Models for Unconventional Gas Reservoirs and Model Selection Using Statistical Analysis. Paper SPE 171641 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 30 September- 2 October. Full-length conference paper.
  • Clarkson, C.R., Williams-Kovacs, J.D., Qanbari, F., Behmanesh, H., and Heidari Sureshjani, M. 2014. History-Matching and Forecasting Tight/Shale Gas Condensate Wells Using Combined Analytical, Semi-Analytical, and Empirical Methods. Paper SPE 171593 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 30 September- 2 October. Full-length conference paper.
  • Ghanizadeh, A., Aquino, S., Clarkson, C.R., Haeri-Ardakani, O., and Sanei, H. 2014. Petrophysical and Geomechanical Characteristics of Canadian Tight Oil and Liquid-Rich Gas Reservoirs. Paper SPE 171633 presented at the SPE/CSUR Unconventional Resources Conference held in Calgary, Alberta, 30 September- 2 October. Full-length conference paper.
  • Heidari Sureshjani, M., Behmanesh, H., and Clarkson, C.R. 2014. A New Semi-Analytical Method for Analyzing Production Data from Constant Flowing Pressure Wells in Gas Condensate Reservoirs during Boundary-Dominated Flow. Paper SPE 169515 presented at the SPE Western North American and Rocky Mountain Joint Meeting held in Denver, Colorado, 17-18 April. Full-length conference paper.
  • Haghshenas, B., Soroush, M., Brohi, I., and Clarkson, C.R. 2014. Simulation of Liquids Rich Shale Gas Reservoirs With Heavy Hydrocarbon Fraction Desorption. Paper SPE 168968 presented at the SPE Unconventional Resources Conference held in The Woodlands, Texas, 1-2 April. Full-length conference paper.
  • Behmanesh, H., Hamdi, H., Heidari Sureshjani, M., and Clarkson, C.R. 2014. Production Data Analysis of Overpressured Liquid-Rich Shale Reservoirs: Effect of Degree of Undersaturation. Paper SPE 168980 presented at the SPE Unconventional Resources Conference held in The Woodlands, Texas, 1-2 April. Full-length conference paper.
  • Behmanesh, H., Tabatabaie, H., Heidari Sureshjani, M., and Clarkson, C.R. 2014. Modification of the Transient Linear Flow Distance of Investigation Calculation for Use in Hydraulic Fracture Property Determination. Paper SPE 168981 presented at the SPE Unconventional Resources Conference held in The Woodlands, Texas, 1-2 April. Full-length conference paper.
  • Haghshenas, B., Clarkson, C.R., and Chen, S. 2014. New Models for Reserve Estimation and Non-Darcy Gas Flow in Shale Gas Reservoirs. Paper SPE 167789 presented at the SPE/EAGE European Unconventional Resources Conference and Exhibition held in Vienna, Austria, 25-27 February. Full-length conference paper.
  • Qanbari, F., and Clarkson, C.R. 2014. Production Data Analysis of Multi-Fractured Horizontal Wells Producing from Tight Oil Reservoirs - Bounded Stimulated Reservoir Volume. Paper SPE 167727 presented at the SPE/EAGE European Unconventional Resources Conference and Exhibition held in Vienna, Austria, 25-27 February. Full-length conference paper.
  • Ghanizadeh, A., Bhowmik, S., and Clarkson, C.R. 2014. A comparison of plug-derived, probe-derived and crushed-rock permeability in low-permeable shales: Examples from the Duvernay Shale, Alberta (Canada). GeoConvention 2014 - Focus (CSPG), Canadian Society of Petroleum Geologists, conference proceedings and online, 2014 May, extended abstract (3 pages).
  • Clarkson, C.R., Qanbari, F. 2013. Use of Pressure- and Rate-Transient Techniques for Analyzing Core Permeability Tests for Unconventional Reservoirs: Part 2. Paper SPE 167167 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 5-7 November. Full-length conference paper.
  • Williams-Kovacs, J.D., Clarkson, C.R. 2013. Modeling Two-Phase Flowback from Multi-Fractured Horizontal Tight Gas Wells Stimulated with Nitrogen Energized Frac Fluid. Paper SPE 167231 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 5-7 November. Full-length conference paper.
  • Williams-Kovacs, J.D., Clarkson, C.R. 2013. Stochastic Modeling of Multi-Phase Flowback From Multi-Fractured Horizontal Tight Oil Wells. Paper SPE 167232 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 5-7 November. Full-length conference paper.
  • Behmanesh, H., Clarkson, C.R. 2013. Production Data Analysis of Liquid Rich Shale Gas Condensate Reservoirs. Paper SPE 167160 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 5-7 November. Full-length conference paper.
  • Sureshjani, M.H., Behmanesh, H., Clarkson, C.R. 2013. Multi-Well Gas Reservoir Production Data Analysis. Paper SPE 167159 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 5-7 November. Full-length conference paper.
  • Qanbari, F., Clarkson, C.R. 2013. Analysis of Transient Linear Flow in Tight Oil and Gas Reservoirs with Stress-Sensitive Permeability and Multi-Phase Flow. Paper SPE 167176 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 5-7 November. Full-length conference paper.
  • Haghshenas, B., Clarkson, C.R., and Chen, S. 2013. Multi-Porosity, Multi-Permeability Models for Shale Gas Reservoirs. Paper SPE 167220 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 5-7 November. Full-length conference paper.
  • Clarkson, C.R., Williams-Kovacs, J.D. 2013. A New Method for Modeling Multi-Phase Flowback of Multi-Fractured Horizontal Tight Oil Wells to Determine Hydraulic Fracture Properties. Paper SPE 166214 presented at the SPE Annual Technical Conference and Exhibition held in New Orleans, Louisiana, 30 September – 2 October. Full-length conference paper.
  • Clarkson, C.R., Haghsenas, B. 2013. Modeling of Supercritical Fluid Adsorption on Organic-Rich Shales and Coal. Paper SPE 164532 presented at the Unconventional Resources Conference-USA held in The Woodlands, Texas, 10-12 April. Full-length conference paper.
  • Williams-Kovacs, J.D., Clarkson, C.R. 2013. Stochastic Modeling of Two-Phase Flowback of Multi-Fractured Horizontal Wells to Estimate Hydraulic Fracture Properties and Forecast Production. Paper SPE 164550 presented at the Unconventional Resources Conference-USA held in The Woodlands, Texas, 10-12 April. Full-length conference paper.
  • Clarkson, C.R. 2012. Modeling 2-Phase Flowback of Multi-Fractured Horizontal Wells Completed in Shale. Paper SPE 162593 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 30 October – 1 November. Full-length conference paper.
  • Clarkson, C.R., Qanbari, F., Nobakht, M., Heffner, L. 2012. Incorporating Geomechanical and Dynamic Hydraulic Fracture Property Changes into Rate-Transient Analysis: Example from the Haynesville Shale. Paper SPE 162526 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 30 October – 1 November. Full-length conference paper.
  • Nobakht, M., Clarkson, C.R. 2012. Multiwell Analysis of Multifractured Horizontal Wells in Tight/Shale Gas Reservoirs. Paper SPE 162831 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 30 October – 1 November. Full-length conference paper.
  • Solano, N.A., Clarkson, C.R., Krause, F.F., Lenormand, R., Barclay, J.E., Aguilera, R. 2012. Drill Cuttings and Characterization of Tight Gas Reservoirs - an Example from the Nikanassin Fm. in the Deep Basin of Alberta. Paper SPE 162706 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 30 October – 1 November. Full-length conference paper.
  • Solano, N.A., Krause, F.F., Clarkson, C.R. 2012. Quantification of cm-Scale Heterogeneities in Tight-Oil Intervals of the Cardium Formation at Pembina, WCSB, Alberta, Canada. Paper SPE 162837 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 30 October – 1 November. Full-length conference paper.
  • Swami, V., Clarkson, C.R., Settari, A. 2012. Non-Darcy Flow in Shale Nanopores: Do We Have a Final Answer? Paper SPE 162665 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 30 October – 1 November. Full-length conference paper.
  • Williams-Kovacs, J.D., Clarkson, C.R. 2012. Using Production Data To Generate P10, P50, and P90 Forecasts for Shale Gas Prospect Analysis. Paper SPE 162711 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 30 October – 1 November. Full-length conference paper.
  • Qanbari, F., Clarkson, C.R. 2012. Rate Transient Analysis of Stress-Sensitive Formations during Transient Linear Flow Period. Paper SPE 162741 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 30 October – 1 November. Full-length conference paper.
  • Ghaderi, S.M., Clarkson, C.R., Chen, S. 2012. Optimization of WAG Process for Coupled CO2 EOR-Storage in Tight Oil Formations: An Experimental Design Approach. Paper SPE 161884 presented at the SPE Canadian Unconventional Resources Conference and Exhibition held in Calgary, Alberta, 30 October – 1 November. Full-length conference paper.
  • Williams-Kovacs, J.D., Clarkson, C.R., Nobakht, M. 2012. Impact of Material Balance Equation Selection on Rate-Transient Analysis of Shale Gas. Paper SPE 162711 presented at the SPE Annual Technical Conference and Exhibition held in San Antonio, Texas, 8-10 October. Full-length conference paper.
  • Clarkson, C.R., Nobakht, M., Kaviani, D., Kantzas, A.,2012. Use of Pressure- and Rate-Transient Techniques for Analyzing Core Permeability Tests for Unconventional Reservoirs. Paper SPE 154317 presented at the SPE Americas Unconventional Resources Conference held in Pittsburgh, Pennsylvania, 5–7 June. Full-length conference paper.
  • Clarkson, C.R., Wood, J.M., Burgis, S.E., Aquino, S.D., Freeman, M., and Birss, V. 2012. Nanopore Structure Analysis and Permeability Predictions for a Tight Gas/Shale Reservoir Using Low-Pressure Adsorption and Mercury Intrusion Techniques. Paper SPE 155537 presented at the SPE Americas Unconventional Resources Conference held in Pittsburgh, Pennsylvania, 5–7 June.
  • Al-Ghamdi, A., Aguilera, R., and Clarkson, C.R. 2012. Electrical Properties Estimation for Complex Carbonate Reservoirs Using Wireline Logs. Presented at the SPWLA 53rd Annual Symposium held in Cartagena, Columbia, 16–20 June. Full-length conference paper.
  • Ghaderi, S.M., Clarkson, C.R., Chen, S., and Kaviani, D. 2012. Evaluation of Recovery Performance of Miscible Displacement and WAG Processes in Tight Oil Formations. Paper SPE 152084 presented at the SPE/EAGE Unconventional Resources Conference and Exhibition held in Vienna, Austria, 20–22 March. Full-length conference paper.
  • Nobakht, M., and Clarkson, C.R. 2012. Hybrid Forecasting Methods for Multi-Fractured Horizontal Wells: EUR Sensitivities. Paper SPE 153220 presented at the SPE Middle East Unconventional Gas Conference and Exhibition held in Abu Dhabi, UAE, 23-25 January. Full-length conference paper.
  • Clarkson, C.R., Behmanesh, H., and Chorney, L., 2011. Production Data and Pressure Transient Analysis of Horseshoe Canyon CBM Wells, Part II: Accounting for Dynamic Skin. Paper SPE 148994 presented at the Canadian Unconventional Resources Conference held in Calgary, Alberta, 15–17 November. Full-length conference paper.
  • Clarkson, C.R., and Pedersen, P.K. 2011. Production Analysis of Western Canadian Unconventional Light Oil Plays. Paper SPE 149005 presented at the Canadian Unconventional Resources Conference held in Calgary, Alberta, 15–17 November. Full-length conference paper.
  • Nobakht, M., and Clarkson, C.R. 2011. Estimation of Contacted and Original Gas-in-Place for Low Permeability Reservoirs Exhibiting Linear flow. Paper SPE 149398 presented at the Canadian Unconventional Resources Conference held in Calgary, Alberta, 15–17 November. Full-length conference paper.
  • Nobakht, M., Clarkson, C.R., and Kaviani, D. 2011. New Type-Curves for Analyzing Horizontal Well with Multiple Fractures in Shale Gas Reservoirs. Paper SPE 149397 presented at the Canadian Unconventional Resources Conference held in Calgary, Alberta, 15–17 November. Full-length conference paper.
  • Nobakht, M., Ambrose, R., and Clarkson, C.R. 2011. Effect of Heterogeneity in a Horizontal Well With Multiple Fractures on the Long-Term Forecast in Shale Gas Reservoirs. Paper SPE 149400 presented at the Canadian Unconventional Resources Conference held in Calgary, Alberta, 15–17 November. Full-length conference paper.
  • Williams-Kovacs, J.D., and Clarkson, C.R. 2011. Using Stochastic Simulation To Quantify Risk and Uncertainty in Shale Gas Prospecting and Development. Paper SPE 148867 presented at the Canadian Unconventional Resources Conference held in Calgary, Alberta, 15–17 November. Full-length conference paper.
  • Ghaderi, S.M., Clarkson, C.R., and Kaviani, D. 2011. Investigation of Primary Recovery in Tight Oil Formations: A Look at the Cardium Formation, Alberta. Paper SPE 148995 presented at the Canadian Unconventional Resources Conference held in Calgary, Alberta, 15–17 November. Full-length conference paper.
  • Nobakht, M., Clarkson, C.R., and Kaviani, D. 2011. New and Improved Methods for Performing Rate-Transient Analysis of Shale Gas Reservoirs. Paper SPE 147869 presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition held in Jakarta, Indonesia, 20–22 September. Full-length conference paper.
  • Nobakht, M., and Clarkson, C.R. 2011. Analysis of Production Data in Shale Gas Reservoirs: Rigorous Corrections for Fluid Properties. Paper SPE 149404 presented at the SPE Eastern Regional Meeting held in Columbus, Ohio, 17–19 August. Full-length conference paper.
  • Clarkson, C.R., Jensen, J.L., and Blasingame, T.A. 2011. Reservoir Engineering for Unconventional Reservoirs: What Do We Have to Consider? Paper SPE 145080 presented at the North American Unconventional Gas Conference and Exhibition held in The Woodlands, Texas, 12–16 June. Full-length conference paper.
  • Clarkson, C.R., Nobakht, M., Kaviani, D. and Ertekin, T. 2011. Production Analysis of Tight Gas and Shale Gas Reservoirs Using the Dynamic-Slippage Concept. Paper SPE 144317 presented at the North American Unconventional Gas Conference and Exhibition held in The Woodlands, Texas, 12–16 June. Full-length conference paper.
  • Nobakht, M., and Clarkson, C.R. 2011. A New Analytical Method for Analyzing Production Data from Shale Gas Reservoirs Exhibiting Linear Flow: Constant Rate Production. Paper SPE 143990 presented at the North American Unconventional Gas Conference and Exhibition held in The Woodlands, Texas, 12–16 June. Full-length conference paper.
  • Nobakht, M., and Clarkson, C.R. 2011. A New Analytical Method for Analyzing Production Data from Shale Gas Reservoirs Exhibiting Linear Flow: Constant Pressure Production. Paper SPE 143989 presented at the North American Unconventional Gas Conference and Exhibition held in The Woodlands, Texas, 12–16 June. Full-length conference paper.
  • Hartman, R.C., Ambrose, R.J., Akkutlu, I.Y., and Clarkson, C.R. 2011. Shale Gas-in-Place Calculations Part II – Multicomponent Gas Adsorption Effects. Paper SPE 144097 presented at the North American Unconventional Gas Conference and Exhibition held in The Woodlands, Texas, 12–16 June. Full-length conference paper.
  • Al-Ghamdi, A., Aguilera, R., and Clarkson, C.R. 2011. Cementation Exponent Estimation for Complex Carbonate Reservoirs Using a Triple Porosity Model. Paper SPE 149104 presented at the SPE/DGS Saudi Arabia Section Technical Symposium and Exhibition held in Al-Khobar, Saudi Arabia, 15–18 May. Full-length conference paper.
  • Ambrose, R.J., Clarkson, C.R., Youngblood, J., Nguyen, P., Nobakht, M., and Biseda, B. 2011. Life-Cycle Decline Curve Estimation for Tight/Shale Reservoirs. Paper SPE 140519 presented at the SPE Hydraulic Fracturing Technology Conference held in The Woodlands, Texas, 24–26 January. Full-length conference paper.
  • Clarkson, C.R., and Pederson, P.K. 2010. Tight Oil Production Analysis: Adaptation of Existing Rate-Transient Analysis Techniques. Paper SPE 137352 presented at the Canadian Unconventional Resources & International Petroleum Conference held in Calgary, Alberta, 19-21 October. Full-length conference paper.
  • Clarkson, C.R., Rahmanian, M. and Kanztas, A. 2010. Relative Permeability of CBM Reservoirs: Controls on Curve Shape. Paper SPE 137404 presented at the Canadian Unconventional Resources & International Petroleum Conference held in Calgary, Alberta, 19-21 October. Full-length conference paper.
  • Clarkson, C.R., and Bustin, R.M. 2010. Coalbed Methane: Current Evaluation Methods, Future Technical Challenges. Paper SPE 131791 presented at the SPE Unconventional Gas Conference, held in Pittsburgh, Pennsylvania, 23-25 February. Full-length conference paper.
  • Clarkson, C.R., and Beierle, J.J. 2010. Integration of Microseismic and Other Post-Fracture Surveillance with Production Analysis: A Tight Gas Study. Paper SPE 131786 presented at the SPE Unconventional Gas Conference, held in Pittsburgh, Pennsylvania, 23-25 February. Full-length conference paper.
  • Clarkson, C.R., Jordan, C.L., Ilk, D., and Blasingame, T.A. 2009. Production Data Analysis of Fractured and Horizontal CBM Wells. Paper SPE 125929 presented at the SPE Eastern Regional Meeting held in Charleston, West Virginia, 23-25 September. Full-length conference paper.
  • Clarkson, C.R., Pan, Z., Palmer, I., and Harpalani, S. 2008. Predicting Sorption-Induced Strain and Permeability Increase With Depletion for CBM Reservoirs. Paper SPE 114778 presented at the SPE Annual Technical Conference and Exhibition held in Denver, Colorado, 21-24 September. Full-length conference paper.
  • Clarkson, C.R. 2008. Case Study: Production Data and Pressure Transient Analysis of Horseshoe Canyon CBM Wells. Paper SPE 114485 presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference held in Calgary, Alberta, 16-19 June. Full-length conference paper.
  • Morad, K., and Clarkson, C.R. 2008. Application of Flowing p/z* Material Balance for Dry Coalbed-Methane Reservoirs. Paper SPE 114995 presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference held in Calgary, Alberta, 16-19 June. Full-length conference paper.
  • Gierhart, R.R., Clarkson, C.R., and Seidle, J.P. 2007. Spatial Variation of San Juan Basin Fruitland Coalbed Methane Pressure Dependent Permeability: Magnitude and Functional Form. Paper IPTC 11333 presented at the International Petroleum Technology Conference held in Dubai, U.A.E., 4-6 December. Full-length conference paper.
  • Clarkson, C.R., Jordan, C.L., Gierhart, R.R., and Seidle, J.P. 2007. Production Data Analysis of CBM Wells. Paper SPE 107705 presented at the Rocky Mountain Oil & Gas Technology Symposium held in Denver, Colorado, 16-18 April. Full-length conference paper.
  • Clarkson, C.R., Bustin, R.M., and Seidle, J.P. 2006. Production Data Analysis of Single-Phase (Gas) CBM Wells. Paper SPE 100313 presented at the SPE Gas Technology Symposium held in Calgary, Alberta, 15-17 May. Full-length conference paper.
  • Clarkson, C.R., and McGovern, J.M. 2003. A New Tool for Unconventional Reservoir Exploration and Development Applications. Paper 0336, Proceedings of the 2003 International Coalbed Methane Symposium (CD), The University of Alabama, Tuscaloosa, Alabama. Full-length conference paper.
  • Clarkson, C.R. and McGovern, J.M. 2001. Study of the Potential Impact of Matrix Free Gas Storage Upon Coalbed Gas Reserves and Production Using a New Material Balance Equation. Paper 0113, Proceedings of the 2001 International Coalbed Methane Symposium, The University of Alabama, Tuscaloosa, Alabama, p. 133-149. Full-length conference paper.
  • Magazine Articles
  • Clarkson, C.R., Qanbari, F., and Williams-Kovacs, J.D. 2014. Innovative use of Rate-Transient Analysis Methods to Obtain Hydraulic-Fracture Properties for Low-Permeability Reservoirs Exhibiting Multi-Phase Flow. The Leading Edge October: 1108-1122
  • Solano, N.A., Clarkson, C.R., Krause, F.F., Aquino, S.D. and Wiseman, A. 2013. On the Characterization of Unconventional Oil Reservoirs. Canadian Society of Exploration Geophysicists (CSEG) Recorder 38 (4): 42-47.
  • Clarkson, C.R. 2011. Integration of Rate-Transient and Microseismic Analysis for Unconventional Gas Reservoirs: Where Reservoir Engineering Meets Geophysics. Canadian Society of Exploration Geophysicists (CSEG) Recorder 36 (10): 44-61.
  • Spencer, R.J., Pedersen, P.K., Clarkson, C.R. and Aguilera, R. 2010. Part 1 - Introduction. Shale Gas Series, CSPG Reservoir 37 (8).
  • Clarkson, C.R., Spencer, R.J., Pedersen, P.K., and Aguilera, R. 2010. Part 2 - History of Shale Gas Production in North America. Shale Gas Series, CSPG Reservoir 37 (9).
  • Pedersen, P.K., Spencer, R.J., Clarkson, C.R., and Aguilera, R. 2010. Part 3 - Shale Properties. Shale Gas Series, CSPG Reservoir 37 (10).
  • Aguilera, R., Pedersen, P.K., Clarkson, C.R., and Spencer, R.J. 2010. Part 4 - Log Analysis and Shale Gas Petrophysics. Shale Gas Series, CSPG Reservoir 37 (11).
  • Aguilera, R., Pedersen, P.K., Clarkson, C.R., and Spencer, R.J. 2011. Part 5 - Shale Gas vs. Tight Gas vs. Conventional Gas. Shale Gas Series, CSPG Reservoir 38 (1).
  • Clarkson, C.R., Aguilera, R., Pedersen, P.K., and Spencer, R.J. 2011. Part 6 - Influence of Technology on Shale Gas Development. Shale Gas Series, CSPG Reservoir 38 (2).
  • Clarkson, C.R., Aguilera, R., Pedersen, P.K., and Spencer, R.J. 2011. Part 7 – Shale Gas Production Analysis and Forecasting. Shale Gas Series, CSPG Reservoir 38 (3).
  • Clarkson, C.R., Aguilera, R., Pedersen, P.K., and Spencer, R.J. 2011. Part 8 – Shale Gas Development Optimization. Shale Gas Series, CSPG Reservoir 38 (4).
  • Spencer, R.J., Aguilera, R., Pedersen, P.K., and Clarkson, C.R. 2011. Part 9 – Shale Gas Development Optimization. Shale Gas Series, CSPG Reservoir 38 (5).
  • Selected Abstracts and Posters
  • Clarkson, C.R., Deglint, H.J., DeBuhr, C., and Ghanizadeh, A. 2017. Imaging of micro-scale wettability and fluid distribution in unconventional light oil reservoirs. GeoConvention 2017, extended abstract (2-pages), May 15-19.
  • Clarkson, C.R., Ghaderi, S.M., Kanfar, M.S., and Iwuoha, C.S. 2017. Use of drill cuttings and flowback fluid compositions to constrain connected fracture height growth in low-permeability reservoirs. GeoConvention 2017, extended abstract (2-pages), May 15-19.
  • Riazi, N., Clarkson, C.R., Ghanizadeh, A., Vahedian, A., and Wood, J.M. 2017. Determination of elastic anisotropy of intact and artificially-fractured Montney tight siltstone samples using ultrasonic measurement. GeoConvention 2017, extended abstract (2-pages), May 15-19.
  • Riazi, N., McKean, S., Clarkson, C.R., Priest, J., Wong, R.C.K, Vahedian, A., and Ghanizadeh, A. 2017. A comparison of dynamic and static geomechanical properties of the Montney Formation: An Integrated Experimental Study. GeoConvention 2017, extended abstract (2-pages), May 15-19.
  • Clarke, K., Clarkson, C.R., and Sanei, H. 2017. The evolution of petrophysical properties during pyrolysis: examples from the Montney and Duvernay Formations, Canada. Poster presented at GeoConvention 2017, May 15-19.
  • Clarke, K., Clarkson, C.R., and Sanei, H. 2016. The evolution of petrophysical properties during pyrolysis: examples from the Montney and Duvernay Formations, Canada. Poster presented at the TSOP annual meeting in Halifax, Nova Scotia.
  • Vocke, C.P., Clarkson, C.R., Aquino, S., Vahedian, A., Lawton, D.C., Osadetz, K., Ghanizadeh, A. 2016. Application of profile (probe) permeability and mechanical (rebound) hardness tests for characterization of fluid transport and geomechanical properties of selected formations in western Canada. GeoConvention 2016, Canadian Society of Petroleum Geologists, conference proceedings and online, 2016 May, extended abstract (3 pages).
  • Ghanizadeh, A., Clarkson, C.R., Vahedian, A., Aquino, S., Riazi, N., Haeri-Ardakani, O., Sanei, H., Wood, J.M. 2016. Petrophysical, geomechanical, and geochemical characteristics of the Montney Formation: Implications for hydrocarbon storage and transport. GeoConvention 2016, Canadian Society of Petroleum Geologists, conference proceedings and online, 2016 May, extended abstract (4 pages).
  • Riazi, N., and Clarkson, C.R. 2016. The importance of seismic attributes in reservoir characterization and inter-well connectivity studies of tight oil reservoirs. GeoConvention 2016, Canadian Society of Petroleum Geologists, conference proceedings and online, 2016 May, extended abstract (6 pages).
  • MacKay, M., Eaton, D., and Clarkson, C.R. 2016. Predicting the microseismic response in a naturally fractured shale reservoir using a discrete fracture network model. GeoConvention 2016, Canadian Society of Petroleum Geologists, conference proceedings and online, 2016 May, extended abstract (4 pages).
  • Williams-Kovacs, J.D., and Clarkson, C.R. 2015. History-matching and forecasting tight oil and gas condensate wells using analytical, semi-analytical, and empirical methods. GeoConvention 2015, Canadian Society of Petroleum Geologists, conference proceedings and online, 2015 May, extended abstract (1 page).
  • Wood, J.M., Sanei, H., Curtis, M.E., and Clarkson, C.R. 2015. Solid bitumen as a determinant of reservoir quality in the Montney tight gas siltstone play, western Canada. GeoConvention 2015, Canadian Society of Petroleum Geologists, conference proceedings and online, 2015 May, extended abstract (1 page).
  • Sanei, H., Wood, J.M., Haeri Ardakani, O., and Clarkson, C.R. 2015. Characerizations of organic matter fractions in Montney tight siltstone reservoir. GeoConvention 2015, Canadian Society of Petroleum Geologists, conference proceedings and online, 2015 May, extended abstract (1 page).
  • Kondla, D.M., Sanei, H., Ghanizadeh, A., Aquino, S., Haeri-Ardakani, O., Clarkson, C.R. 2015. Hydrocarbon-rich shales of the Middle Triassic in Canada: a comparative study of the Arctic's Murray Harbour Formation versus the Doig. GeoConvention 2015, Canadian Society of Petroleum Geologists, conference proceedings and online, 2015 May, extended abstract (1 pages).
  • Sanei, H., Wood, J.M., Haeri Ardakani, O., and Clarkson, C.R. 2015. Role of organic fractions in Montney tight gas reservoir quality. European Geoscience Union (EGU General Assembly 2015) conference proceedings.
  • Ghanizadeh, A., Aquino, S., Haeri-Ardakani, O., Sanei, H., and Clarkson, C.R. 2015. Geomechanical Controls on Matrix/Fracture Permeability of Tight Oil and Liquid-Rich Gas Reservoirs: Implications for Hydraulic Fracturing. AAPG/SEG/SPWLA Hedberg Conference "Fundamental parameters associated with successful hydraulic fracturing – Means and methods for a better understanding" December 7-11, 2014 – Austin, Texas.
  • Kondla, D.M., Sanei, H., Embry, A.F., Haeri Ardakani, O., Clarkson, C.R. 2014. Dispersed organic matter and depositional environment: insights from a Middle Triassic source rock in arctic Canada. 31st Annual Meeting of the Society for Organic Petrology: 2014, Sydney, NSW, Australia. 27th September to 3rd October 2014.
  • Ghanizadeh, A., Bhowmik, S., and Clarkson, C.R. 2014. A comparison of plug-derived, probe-derived and crushed-rock permeability in low-permeable shales: Examples from the Duvernay Shale, Alberta (Canada). GeoConvention 2014 - Focus (CSPG), Canadian Society of Petroleum Geologists, conference proceedings and online, 2014 May, extended abstract (3 pages).
  • Solano, N., Clarkson, C.R., Krause, F.F., Melnichenko, Y.B., He, L., and Blach, T. 2014. Applications of Neutron Scattering Techniques for the Characterization of Pore Structure and Fluids Interactions in Tight Rocks. GeoConvention 2014 - Focus (CSPG) , Canadian Society of Petroleum Geologists, conference proceedings and online, May, extended abstract (2 pages)
  • Kondla, D.M., Sanei, H., Embry, A.F., Ardakani, O.H., Clarkson, C.R. 2014. Organic matter characterization for unconventional reservoir potential assessment of the Murray Harbour Formation in the Sverdrup Basin, Arctic Canada. Geoconvention 2014 - Focus (CSPG), Canadian Society of Petroleum Geologists, conference proceedings and online, 2014 May, extended abstract (4 pages)
  • Isinguzo, N., Sanei, H., Clarkson, C.R., Debuhr, C., Ardakani, O.H., Kondla, D., Goodarzi, F. 2014. Petrographic characterizations of the "Nordegg" (Gordendale) Member of the Fernie Formation in West Central Alberta, Using Scanning Electron Microscopy and Organic Petrology. GeoConvention 2014 - Focus (CSPG), Canadian Society of Petroleum Geologists, conference proceedings and online, 2014 May, extended abstract (4 pages)
  • Isinguzo, N., Sanei, H., Clarkson, C.R., Ardakani, O.H., Kondla, D., Goodarzi, F. 2014. Organic and Inorganic Petrographic Analysis of the "Nordegg" – Gordondale Member, Fernie Formation, West Central Alberta. AAPG International Conference and Exhibition 2014, 16-17 September, Istanbul, Turkey
  • Kondla, D.M., Sanei, H., Embry, A.F., Haeri Ardakani, O., and Clarkson, C.R. 2014. Organic geochemical and organic petrological analysis of the Murray Harbour Formation: a potential unconventional reservoir in the Sverdrup Basin, Canadian Arctic. AAPG International Conference & Exhibition 2014, Istanbul, Turkey, September 14-17, 2014.
  • Solano, N.A., Clarkson, C.R., F.F. Krause, Kantzas, A. 2013. Microlithofacies Analysis Within Cardium Tight Oil Intervals. Abstract published in 2013 CSPG Geoconvention proceedings.
  • Pedersen, P.K., Clarkson, C.R. 2012. Characterization of Unconventional Tight Light Oil Plays in Western Canada Sedimentary Basin. Abstract published in 2012 CSPG Geoconvention proceedings.
  • Pedersen, P.K., Clarkson, C.R. 2012. Unconventional Tight Light Oil Play Types – Western Canada. AAPG Search and Discovery Article #90142, AAPG Annual Convention and Exhibition.
  • Solano, N., Clarkson, C.R., Krause, F., Aguilera, R. 2012. Upper Monteith and Lower Beattie Peaks Formations at the Sinclair and Albright Fields in Westcentral Alberta. Abstract published in 2012 CSPG Geoconvention proceedings.
  • Clarkson, C.R., Pedersen, P.K. 2011. Advances in Reservoir Characterization of the Montney Tight Gas Play. Abstract published in CSPG-CSEG-CWLS Recovery 2011 conference proceedings.
  • Clarkson, C.R. 2011. Gas Shales: Advances in Production Analysis. Abstract published in CSPG-CSEG-CWLS Recovery 2011 conference proceedings.
  • Clarkson, C.R. 2011. Unconventional Gas Reservoirs: Advances in Production Analysis. Abstract published in Asia Pacific Coalbed Methane Symposium, Brisbane Australia.
  • *Freeman, M., Clarkson, C.R., and Sanei, H. 2011. Lithological Controls on Permeability Variations in the Lower Triassic Montney Formation, Pouce Coupe, AB. Poster presented at the TSOP annual meeting in Halifax, Nova Scotia. *Winner of best student poster."

Non Peer-Reviewed Publications: Graduate Career
Full-Length Paper Conference Proceedings or Survey Report

  • Clarkson, C.R. and Bustin, R.M. 1999. Binary Gas Adsorption/Desorption Isotherms: Effect of Moisture and Coal Composition Upon Component Selectivity. Paper 9925, Proceedings of the 1999 International Coalbed Methane Symposium, The University of Alabama, Tuscaloosa, Alabama, p. 91-115. Full-length conference paper.
  • Bustin, R.M., and Clarkson, C.R. 1999. Free Gas Storage in Matrix Porosity: A Potentially Significant Coalbed Resource in Low Rank Coals. Paper 9956, Proceedings of the International Coalbed Methane Symposium, The University of Alabama, Tuscaloosa, Alabama, p. 197-214.
  • Clarkson, C.R. and Bustin, R.M. 1997. The Effect of Methane Gas Concentration, Coal Composition and Pore structure Upon Gas Transport in Canadian Coals: Implications for Reservoir Characterization. Paper 9719, Proceedings of the International Coalbed Methane Symposium, The University of Alabama, Tuscaloosa, Alabama, p. 1-11.
  • Bustin, R.M., Clarkson, C.R., and Levy, J.H. 1995. Coalbed Methane Adsorption of Coals of the Bulli and Wongawilli Seams, Southern Sydney Basin: Effect of Maceral Composition. Paper presented at the Twenty Ninth Newcastle Symposium on "Advances in the study of the Sydney Basin", April 6-9, 1995.
  • Clarkson, C.R., Lamberson, M.N., and Bustin, R.M. 1993. Variation in Surface Area and Micropore Size Distribution with Composition of Medium Volatile Bituminous Coal of the Gates Formation, Northeastern British Columbia: Implications for Coalbed Potential. In: Current Research, Part E. Geol. Surv. Can. Pap., 93-1: 97-104.