Production data analysis of unconventional gas wells: Review of theory and best practices

International Journal of Coal Geology

Volumn 109-110, Issue , 2013, Pages 101-146

  Clarkson, C R ^a  

^a UNIVERSITY OF CALGARY   (Canada)

Author keywords

Best practices; Coalbed methane; Production data analysis; Rate transient analysis; Review; Shale gas

Indexed keywords

BEST PRACTICES; COAL BED METHANE; DECLINE CURVE ANALYSIS; PERMEABILITY-THICKNESS; PRESSURE-TRANSIENT ANALYSIS; PRODUCTION DATA ANALYSIS; SHALE GAS; UNCONVENTIONAL RESERVOIRS;

CURVE FITTING; DIGITAL STORAGE; DYNAMICS; FIREDAMP; FLOW OF FLUIDS; FLOWING WELLS; HYDRAULIC FRACTURING; HYDROCARBONS; MODELS; NATURAL GAS WELL PRODUCTION; NATURAL GAS WELLS; PETROLEUM RESERVOIRS; REVIEWS; SHALE; TRANSIENT ANALYSIS; TRANSPORT PROPERTIES; WELL STIMULATION;

DATA FLOW ANALYSIS;

BEST MANAGEMENT PRACTICE; COALBED METHANE; COMPUTER SIMULATION; GAS FIELD; GAS PRODUCTION; GAS STORAGE; GAS WELL; HYDROCARBON EXPLORATION; HYDROCARBON RESERVOIR; SHALE; TRANSPORT PROCESS;

NORTH AMERICA;

EID: 84875259768     PISSN: 01665162     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.coal.2013.01.002     Document Type: Review

References (120)

1. Abdulal H.J., Samandarli O., Wattenbarger R.A. New type-curves for shale gas wells with dual porosity model. Society of Petroleum Engineers Paper 149367 Presented at the Canadian Unconventional Resources Conference, Calgary, Alberta 2011.
2. Agarwal R.G., Gardner D.C., Kleinsteiber S.W., Fussell D.D. Analyzing well production data using combined type curve and decline curve concepts. Society of Petroleum Engineers Reservoir Evaluation & Engineering 1999, 2(5):478-486.
3. Al-Ahmadi H.A., Wattenbarger R.A. Triple-porosity models: one further step towards capturing fractured reservoirs heterogeneity. Society of Petroleum Engineers Paper 149054 Presented at the Saudi Arabia Section Technical Symposium and Exhibition, Al-Khobar, Saudi Arabia 2011.
4. Ambrose R.J., Clarkson C.R., Youngblood J., Adams R., Nguyen P., Nobakht M., Biseda B. Life-cycle decline curve estimation for tight/shale gas reservoirs. Society of Petroleum Engineers paper 140519 Presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, The Woodlands, Texas 2011.
5. Amini S., Ilk D., Blasingame T.A. Evaluation of the elliptical flow period for hydraulically-fractured wells in tight gas sands-theoretical aspects and practical considerations. Society of Petroleum Engineers paper 106308 Presented at the 2007 SPE Hydraulic Fracturing Technology Conference, College, Station, Texas 2007.
6. Aminian K., Ameri S. Predicting production performance of CBM reservoirs. Journal of Natural Gas Science and Engineering 2009, 1:25-30.
7. Anderson D.M., Liang P., Okouma V. Probabilistic forecasting of unconventional resources using rate-transient analysis: Case studies. Society of Petroleum Engineers Paper 155737 Presented at the SPE Americas Unconventional Resource Conference, Pittsburgh, Pennsylvania 2012.
8. Andrade J., Civan F., Devegowda D., Sigal R.F. Design and examination of requirements for a rigorous shale-gas reservoir simulator compared to current shale-gas simulator. Society of Petroleum Engineers Paper 144401 Presented at the North American Unconventional Gas Conference, The Woodlands, Texas 2011.
9. Apaydin O.G., Ozkan E., Raghavan R. Effect of discontinuous microfractures on ultratight matrix permeability of a dual-porosity medium. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2012, 15(4):473-485.
10. Araya A., Ozkan E. An account of decline-type-curve of vertical, fractured, and horizontal well production. Society of Petroleum Engineers Paper 77690 Presented at the SPE Annual Technical Conference and Exhibition, San Antonio, Texas 2002.
11. Arps J.J. Analysis of decline curves. Transactions of AIME 1945, 168:228-247.
12. Bello, R.O., 2009. Rate transient analysis in shale gas reservoirs with transient linear behavior. PhD Thesis, Texas A&M University.
13. Bello R.O., Wattenbarger R.A. Rate transient analysis in naturally fractured shale gas reservoirs. Society of Petroleum Engineers Paper 114591 Presented at the CIPC/SPE Gas Technology Symposium, Calgary, Alberta 2008.
14. Bello R.O., Wattenbarger R.A. Modelling and analysis of shale gas production with a skin effect. Paper 2009-82 Presented at the Canadian International Petroleum Conference, Calgary, Alberta 2009.
15. Bello R.O., Wattenbarger R.A. Multi-stage hydraulically fractured shale gas rate-transient analysis. Society of Petroleum Engineers Paper 126754 Presented at the SPE North Africa Technical Conference, Cairo, Egypt 2010.
16. Blasingame T.A., Rushing J.A. A production-based method for direct estimation of gas-in-place and reserves. Society of Petroleum Engineers Paper 98042, Presented at the 2005 SPE Eastern Regional Meeting, Morgantown, West Virginia 2005.
17. Bourdet D., Whittle T.M., Douglas A.A., Pirard Y.M. A new set of type curves simplifies well test analysis. World Oil 1983, 95-106. (May 1983).
18. Bourdet D., Ayoub J.A., Pirard Y.M. Use of pressure derivative in well-test interpretation. Society of Petroleum Engineers Formation Evaluation 1989, 4(2):293-302.
19. Brown M., Ozkan E., Raghavan R., Kazemi H. Practical solutions for pressure-transient responses of fractured horizontal wells in unconventional shale reservoirs. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2011, 14(6):663-676.
20. Bumb A.C., McKee C.R. Gas-well testing in the presence of desorption for coalbed methane and Devonian shale. Society of Petroleum Engineers Formation Evaluation 1988, 3(1):179-185.
21. Carlson E.S., Mercer J.C. Devonian shale gas production: mechanisms and simple models. Journal of Petroleum Technology 1991, 4(43):476-482.
22. Chen C.C., Raghavan R. A multiply-fractured horizontal well in a rectangular drainage region. Society of Petroleum Engineers Journal 1997, 2(4):455-465.
23. Cheng Y. Pressure transient characteristics of hydraulically fractured horizontal shale gas wells. Society of Petroleum Engineers Paper 149311 Presented at the SPE Eastern Regional Conference, Columbus, Ohio 2011.
24. Cheng Y., Lee W.J., McVay D.A. A new approach for reliable estimation of hydraulic fracture properties using elliptical flow data in tight gas wells. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2009, 12(2):254-262.
25. Cinco-Ley H., Samaniego-V F. Transient pressure analysis for fractured wells. Journal of Petroleum Technology 1981, 9(33):1749-1766.
26. Cipolla C.L., Lolon E.P., Erdle J.C., Rubin B. Reservoir modeling in shale-gas reservoirs. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2010, 13(4):638-653.
27. Clarkson C.R. Case study: production data and pressure transient analysis of Horseshoe Canyon CBM wells. Journal of Canadian Petroleum Technology 2009, 48(10):27-38.
28. Clarkson C.R. Integration of Rate-transient and Microseismic Analysis for Unconventional Gas Reservoirs: Where Reservoir Engineering Meets Geophysics 2011, 44-61. Canadian Society of Exploration Geophysicists (CSEG) Recorder, (December 2011).
29. Clarkson C.R. Modeling 2-phase flowback of multi-fractured horizontal wells completed in shale. Society of Petroleum Engineers Paper 162593 Presented at the SPE Canadian Unconventional Resources Conference, Calgary, Alberta 2012.
30. Clarkson C.R. Production data analysis of unconventional gas wells: Workflow. International Journal of Coal Geology 2013, 109-110:147-157. (this volume).
31. Clarkson C.R., Beierle J.J. Integration of microseismic and other post-fracture surveillance with production analysis: a tight gas study. Journal of Natural Gas Science and Engineering 2011, 3:382-401.
32. Clarkson C.R., Bustin R.M. Coalbed methane: current field-based evaluation methods. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2011, 14(1):60-75.
33. Clarkson C.R., McGovern J.M. Optimization of coalbed-methane-reservoir exploration and development strategies through integration of simulation and economics. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2005, 8(6):502-519.
34. Clarkson C.R., Pedersen P.K. Tight oil production analysis: adaptation of existing rate-transient analysis techniques. Society of Petroleum Engineers Paper 137352 Presented at the Canadian Unconventional Resources and International Petroleum Conference, Calgary, Alberta 2010.
35. Clarkson C.R., Bustin R.M., Seidle J.P. Production-data analysis of single-phase (gas) coalbed-methane wells. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2007, 10(3):312-331.
36. Clarkson C.R., Jordan C.L., Gierhart R.R., Seidle J.P. Production data analysis of CBM wells. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2008, 11(2):311-325.
37. Clarkson C.R., Jordan C.L., Ilk D., Blasingame T.A. Production data analysis of fractured and horizontal CBM Wells. Society of Petroleum Engineers Paper 125929 Presented at the SPE Eastern Regional Meeting held in Charleston, West Virginia 2009.
38. Clarkson C.R., Jensen J.L., Blasingame T.A. Unconventional gas reservoir evaluation: what do we have to consider?. Journal of Natural Gas Science and Engineering 2012, 8:9-33.
39. Clarkson C.R., Nobakht M., Kaviani D., Ertekin T. Production analysis of tight gas and shale gas reservoirs using the dynamic-slippage concept. Society of Petroleum Engineers Journal 2012, 1(17):230-242.
40. Clarkson C.R., Jordan C.L., Ilk D., Blasingame T.A. Rate-transient analysis of 2-phase (gas+water) CBM wells. Journal of Natural Gas Science and Engineering 2012, 8:106-120.
41. Clarkson C.R., Nobakht M., Kaviani D., Kantzas A. Use of pressure- and rate-transient analysis techniques for analyzing core tests for unconventional reservoirs. Society of Petroleum Engineers Paper 154815 Presented at the SPE Americas Unconventional Resource Conference, Pittsburgh, Pennsylvania 2012.
42. Clarkson C.R., Qanbari F., Nobakht M., Heffner L. Incorporating geomechanical and dynamic hydraulic fracture property changes into rate transient analysis: example from the Haynesville Shale. Society of Petroleum Engineers Paper 162526 Presented at the SPE Canadian Unconventional Resources Conference, Calgary, Alberta 2012.
43. Clarkson, C.R., Behmanesh, H, Chorney, L., in press. Production data and pressure transient analysis of Horseshoe Canyon CBM wells, part II: accounting for dynamic skin. Journal of Canadian Petroleum Technology.
44. Cox S.A., Gilbert J.V., Sutton R.P., Stoltz R.P. Reserve analysis for tight gas. Society of Petroleum Engineers Paper 78695 Presented at the SPE Eastern Regional Conference, Lexington, Kentucky 2002.
45. Currie S.M., Ilk D., Blasingame T.A. Continuous estimation of ultimate recovery. Society of Petroleum Engineers Paper 132352 Presented at the SPE Unconventional Gas Conference, Pittsburgh, Pennsylvania 2010.
46. El-Banbi, A.H., 1998. Analysis of tight gas well performance. PhD Thesis, Texas A&M University.
47. Fetkovich M.J. A simplified approach to water influx calculations-finite aquifer systems. Journal of Petroleum Technology 1971, 23(7):814-828.
48. Fetkovich M.J. Decline curve analysis using type curves. Journal of Petroleum Technology 1980, 32(6):1065-1077.
49. Fetkovich M.J., Vienot M.E., Bradley M.D., Kiesow U.G. Decline-curve analysis using type-curves: case histories. Society of Petroleum Engineers Formation Evaluation 1987, 2(4):637-656.
50. Fetkovich M.J., Fetkovich E.J., Fetkovich M.D. Useful concepts for decline curve forecasting, reserve estimation, and analysis. Society of Petroleum Engineers Reservoir Engineering 1996, 11(1):13-22.
51. Fraim M.L., Wattenbarger R.A. Gas reservoir decline curve analysis using type curves with real gas pseudopressure and normalized time. Society of Petroleum Engineers Formation Evaluation 1987, 2(4):671-682.
52. Gentzis T., Bolen D. The use of numerical simulation in predicting coalbed methane producibility from the Gates coals, Alberta Inner Foothills, Canada: comparison with Mannville CBM production in Alberta Syncline. International Journal of Coal Geology 2008, 74:215-236.
53. Gentzis T., Deisman N., Chalaturnyk R.J. A method to predict geomechanical properties and model stability in horizontal boreholes. International Journal of Coal Geology 2009, 78:149-160.
54. Gerami S., Pooladi-Darvish M., Morad K., Mattar L. Type curves for dry CBM reservoirs with equilibrium desorption. Journal of Canadian Petroleum Technology 2007, 47(7):48-56.
55. Haskett W.J., Brown P.J. Evaluation of unconventional resource plays. Society of Petroleum Engineers Paper 96879, Presented at the SPE Annual Technical Conference and Exhibition, Dallas, Texas 2005.
56. Ibrahim M., Wattenbarger R.A. Analysis of rate dependence in transient linear flow in tight gas wells. Society of Petroleum Engineers Paper 100836 Presented at the Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, UAE 2006.
57. Ilk D., Perego A.D., Rushing J.A., Blasingame T.A. Integrating multiple production analysis techniques to assess tight gas sand reserves: defining a new paradigm for industry best practices. Society of Petroleum Engineers Paper 114947 Presented at the CIPC/SPE Gas Technology Symposium Joint Conference, Calgary, Alberta 2008.
58. Ilk D., Rushing J.A., Perego A.D., Blasingame T.A. Exponential vs. hyperbolic decline in tight gas sands - understanding the origin and implications for reserve estimates using Arps' decline curves. Society of Petroleum Engineers Paper 116731, Presented at the Annual Technical Conference and Exhibition, Denver, Colorado 2008.
59. Javadpour F. Nanopores and apparent permeability of gas flow in mudrocks (shales and siltstones). Journal of Canadian Petroleum Technology 2009, 48(8):16-21.
60. Kamal M.M., Six J.L. Pressure transient analysis of methane producing coalbeds. Society of Petroleum Engineers Advanced Technology Series 1993, 1(1):195-203.
61. King G.R. Material-balance techniques for coal-seam and Devonian shale gas reservoirs with limited water influx. Society of Petroleum Engineers Reservoir Engineering 1993, 8(1):67-72.
62. Kupchenko C.L., Gault B.W., Mattar L. Tight gas production performance using decline curves. Society of Petroleum Engineers Paper 114991 Presented at the CIPC/SPE Gas Technology Symposium, Calgary, Alberta 2008.
63. Larsen L., Hegre T.M. Pressure-transient behavior of horizontal wells with finite-conductivity vertical fractures. Society of Petroleum Engineers paper 22076 presented at the International Arctic Technology Conference, Anchorage, Alaska 1991.
64. Lee J., Wattenbarger R.A. Gas Reservoir Engineering. Gas Reservoir Engineering. Textbook Series 1996, 5. Society of Petroleum Engineers, Richardson, Texas.
65. Lee J., Rollins J.B., Spivey J.P. Pressure Transient Testing. Textbook Series 2003, 9. Society of Petroleum Engineers, Richardson, Texas.
66. Lewis A.M., Hughes R.G. Production data analysis of shale gas reservoirs. Society of Petroleum Engineers Paper 116688 Presented at the SPE Annual Technical Conference and Exhibition, Denver, Colorado 2008.
67. Liang P., Mattar L., Moghadam S. Analyzing variable rate/pressure data in transient linear flow in unconventional gas reservoirs. Society of Petroleum Engineers Paper 149472 Presented at the Canadian Unconventional Resources Conference, Calgary, Alberta 2011.
68. Mattar L., Anderson D.M. A systematic and comprehensive methodology for advanced analysis of production data. Society of Petroleum Engineers Paper 84472 Presented at the SPE Annual Technical Conference and Exhibition, Denver, Colorado 2003.
69. Mattar L., Anderson D.M. Dynamic material balance (oil or gas-in-place without shut-ins). Paper 2005-113 Presented at the Canadian International Petroleum Conference, Calgary, Alberta 2005.
70. Mattar L., Moghadam S. Modified power law exponential for tight gas. Paper 2009-198 Presented at the Canadian International Petroleum Conference, Calgary, Alberta 2009.
71. Mattar L., Gault B., Morad K., Clarkson C.R., Freeman C.M., Ilk D., Blasingame T.A. Production analysis and forecasting of shale gas reservoirs: Case history-based approach. Society of Petroleum Engineers paper 119897 presented at the SPE Shale Gas Production Conference, Fort Worth, Texas 2008.
72. Mavor M.J. A guide to coalbed methane reservoir engineering, chapter 4. Report No. GRI-94/0397 1996, Gas Research Institute, Chicago, Illinois.
73. Mavor M.J., Saulsberry J.L. A guide to coalbed methane reservoir engineering, chapter 5. Report No. GRI-94/0397 1996, Gas Research Institute, Chicago, Illinois.
74. Mavor M.J., Russell B., Pratt T.J. Powder River Basin Ft. Union Coal reservoir properties and production decline analysis. Society of Petroleum Engineers paper 84427 presented at the SPE Annual Technical Conference and Exhibition, Denver, Colorado 2003.
75. Mayerhofer M.J., Lolon E.P., Warpinski N.R., Cipolla C.L., Walser D., Rightmire C.M. What is stimulated reservoir volume?. Society of Petroleum Engineering Production & Operations 2010, 1(25):89-98.
76. McCray, T.L., 1990. Reservoir analysis using production decline data. MSc Thesis, Texas A&M University.
77. Medeiros F., Ozkan E., Kazemi H. Productivity and drainage area of fractured horizontal wells in tight gas reservoirs. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2008, 11(5):902-911.
78. Medeiros F., Kurtoglu B., Ozkan E., Kazemi H. Analysis of production data from hydraulically-fractured horizontal wells in shale reservoirs. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2010, 13(3):559-568.
79. Michel G., Sigal R., Civan F., Devegowda D. Effect of capillary relaxation on water entrapment after hydraulic fracturing stimulation. Society of Petroleum Engineers Paper 155787 Presented at the Americas Unconventional Resources Conference, Pittsburgh, Pennsylvania 2012.
80. Moghadam S., Mattar L., Pooladi-Darvish M. Dual porosity typecurves for shale gas reservoirs. Society of Petroleum Engineers Paper 137535 Presented at the Canadian Unconventional Resources and International Petroleum Conference, Calgary, Alberta 2010.
81. Mohaghegh S.D., Ertekin T. Type-curve solution for coal Seam degasification wells producing under two-phase conditions. Society of Petroleum Engineers Paper 22673 Presented at the SPE Annual Technical Conference and Exhibition, Dallas, Texas 1991.
82. Nobakht M., Clarkson C.R. Estimation of contacted and original gas-in-place for low permeability reservoirs exhibiting linear flow. Society of Petroleum Engineers Paper 149398 Presented at the Canadian Unconventional Resources Conference, Calgary, Alberta 2011.
83. Nobakht M., Clarkson C.R. A new analytical method for analyzing production data from tight/shale gas reservoirs exhibiting linear flow: constant rate boundary condition. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2012, 15(1):51-59.
84. Nobakht M., Clarkson C.R. A new analytical method for analyzing production data from shale gas reservoirs exhibiting linear flow: constant pressure boundary-condition. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2012, 15(3):370-384.
85. Nobakht M., Clarkson C.R. Analysis of production data in shale gas reservoirs: rigorous corrections for fluid and flow properties. Journal of Natural Gas Science and Engineering 2012, 8:85-98.
86. Nobakht M., Mattar L. Analyzing production data from unconventional gas reservoirs with linear flow and apparent skin. Journal of Canadian Petroleum Society 2012, 51(1):52-59.
87. Nobakht M., Ambrose R., Clarkson C.R. Effect of heterogeneity in a horizontal well with multiple fractures on long-term forecast in shale gas reservoirs. Society of Petroleum Engineers Paper 149400 Presented at the Canadian Unconventional Resources Conference, Calgary, Alberta 2011.
88. Nobakht M., Clarkson C.R., Kaviani New type-curves for analyzing horizontal well with multiple fractures in shale gas reservoirs. Journal of Natural Gas Science and Engineering 2012, 10:99-112.
89. Nobakht M., Clarkson C.R., Kaviani New and improved methods for performing rate-transient analysis of shale gas reservoirs. Society of Petroleum Engineers Journal 2012, 15(3):335-350.
90. Nobakht M., Mattar L., Moghadam S., Anderson D.M. Simplified forecasting of tight/shale-gas production in linear flow. Journal of Canadian Petroleum Technology 2012, 51(6):476-486.
91. Ozkan E., Raghavan R., Apaydin O.G. Modeling of fluid transfer from shale matrix to fracture network. Society of Petroleum Engineers Paper 134830 Presented at the SPE Annual Technical Conference and Exhibition, Florence, Italy 2010.
92. Ozkan E., Brown M., Raghavan R., Kazemi H. Comparison of fractured-horizontal-well performance in tight sand and shale reservoirs. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2011, 14(2):248-259.
93. Palacio J.C., Blasingame T.A. Decline-curve analysis using type curves-analysis of gas well production data. Society of Petroleum Engineers Paper 25909 Presented at the SPE Joint Rocky Mountain Regional and Low Permeability Reservoirs Symposium, Denver, Colorado 1993.
94. Palmer I. Coalbed methane: a world view. International Journal of Coal Geology 2010, 82:184-195.
95. Pan Z., Connell L.D. Modelling permeability for coal reservoirs: a review of analytical models and testing data. International Journal of Coal Geology 2012, 92(1):1-44.
96. Paul G.W. A guide to coalbed methane reservoir engineering, chapter 6. Report No. GRI-94/0397 1996, Gas Research Institute, Chicago, Illinois.
97. Perrine R.L. Analysis of Pressure Buildup Curves. Drilling and Production Practice 1956, 482-509. American Petroleum Institute.
98. Poston S.W., Poe B.D. Analysis of Production Decline Curves 2008, Society of Petroleum Engineers Book, Richardson, Texas.
99. Pratikno H., Rushing J.A., Blasingame T.A. Decline curve analysis using type-curves - fractured wells. Society of Petroleum Engineers paper 84287 presented at the SPE Annual Technical Conference and Exhibition, Denver, Colorado 2003.
100. Raghavan R., Chin L.Y. Permeability changes in reservoirs with stress-dependent permeability. Society of Petroleum Engineers Reservoir Evaluation & Engineering 2004, 7(4):308-315.
101. Raghavan R., Chen C.C., Agarwal B. An analysis of horizontal wells intercepted by multiple fractures. Society of Petroleum Engineers Journal 1997, 2(3):235-245.
102. Rushing J.A., Perego A.D., Sullivan R.B., Blasingame T.A. Estimating reserves in tight gas sands at HP/HT reservoir conditions: use and misuse of an Arps decline methodology. Society of Petroleum Engineers Paper 109625, Presented at the 2007 SPE Annual Technical Conference and Exhibition, Anaheim, California 2007.
103. Rushing J.A., Perego A.D., Blasingame T.A. Applicability of the Arps rate-time relationships for evaluating decline behavior of and ultimate gas recovery of coalbed methane wells. Society of Petroleum Engineers Paper 114514, Presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, Calgary, Alberta 2008.
104. Samandarli O., Al-Ahmadi H., Wattenbarger R.A. A new method for history-matching and forecasting shale gas reservoir production performance with a dual-porosity model. Society of Petroleum Engineers Paper 144335 Presented at the North American Unconventional Gas Conference, The Woodlands, Texas 2011.
105. Samandarli O., Valbuena E., Ehlig-Economides C. Production data analysis in unconventional reservoirs with rate-normalized pressure (RNP): theory, methodology, and applications. Society of Petroleum Engineers Paper 155614 Presented at the Americas Unconventional Resources Conference, Pittsburgh, Pennsylvania 2012.
106. Seidle J.P. Coal well decline behavior and drainage areas: theory and practice. Society of Petroleum Engineers Paper 75519 Presented at the SPE Gas Technology Symposium, Calgary, Alberta, Canada 2002.
107. Seidle J.P. Fundamentals of Coalbed Methane Reservoir Engineering 2011, PennWell Corporation, Tulsa, Oklahoma.
108. Song B., Ehlig-Economides C. Rate-normalized pressure analysis for determination of shale gas performance. Society of Petroleum Engineers Paper 144031 Presented at the North American Unconventional Gas Conference, The Woodlands, Texas 2011.
109. Song B., Economides M.J., Ehlig-Economides C. Design of multiple transverse fracture horizontal wells in shale gas. Society of Petroleum Engineers Paper 140555 Presented at the SPE Hydraulic Fracture Technology Conference, The Woodlands, Texas 2011.
110. Sureshjani M.H., Gerami S. A new model for modern production-decline analysis of gas/condensate reservoirs. Journal of Canadian Petroleum Technology 2011, 50(7/8):14-23.
111. Swami V., Settari A. A pore scale gas flow model for shale gas reservoir. Society of Petroleum Engineers Paper 155756 Presented at the SPE Americas Unconventional Resource Conference, Pittsburgh, Pennsylvania 2012.
112. Thompson J.M., Nobakht M., Anderson D.M. Modeling well performance data from overpressured shale gas reservoirs. Society of Petroleum Engineers Paper 137755 Presented at the Canadian Unconventional Resources and International Petroleum Conference, Calgary, Alberta 2010.
113. Valko P. Assigning value to stimulation in the Barnett Shale: a simultaneous analysis of 7000 plus production histories and well completion records. Society of Petroleum Engineers Paper 119369 Presented at 2009 SPE Hydraulic Fracturing Technology Conference, The Woodlands, Texas 2009.
114. Valko P., Lee W.J. A better way to forecast production from unconventional gas wells. Society of Petroleum Engineers Paper 134231 Presented at SPE Annual Technical Conference and Exhibition, Florence, Italy 2010.
115. Van Kruysdijk C.J.P.W., Dullaert G.M. A boundary element solution of the transient pressure response of multiple fractured horizontal wells. Paper Presented at the 2nd European Conference on the Mathematics of Oil Recovery, Cambridge, England 1989.
116. Warpinski N.R., Mayerhofer M.J., Vincent M.C., N.R., Cipolla C.L., Lolon E.P. Simulating unconventional reservoirs: maximizing network growth while optimizing fracture conductivity?. Society of Petroleum Engineers Paper 114173 Presented at the SPE Unconventional Reservoirs Conference, 10-12 February 2008, Keystone, Colorado, USA 2008.
117. Wattenbarger R.A., El-Banbi A.H., Villegas M.E., Maggard J.B. Production analysis of linear flow into fractured tight gas wells. Society of Petroleum Engineers Paper 39931 Presented at SPE Rocky Mountain Regional/Low Permeability Reservoirs Symposium and Exhibition, Denver, Colorado 1998.
118. Williams-Kovacs J.D., Clarkson C.R. Using stochastic simulation to quantify risk and uncertainty in shale gas prospecting and development. Society of Petroleum Engineers Paper 148867 Presented at the Canadian Unconventional Resources Conference, Calgary, Alberta 2011.
119. Williams-Kovacs J.D., Clarkson C.R., Nobakht M., Ambrose R. Impact of material balance equation selection on rate-transient analysis of shale gas. Society of Petroleum Engineers Paper XXXXXX Presented at the SPE Annual Technical Conference and Exhibition, San Antonio, Texas 2012.
120. Zuber M.D. A guide to coalbed methane reservoir engineering, chapter 3. Report No. GRI-94/0397 1996, Gas Research Institute, Chicago, Illinois.