Abilene Geologic Society. 4 Cross Sections: West Central Texas-in Penn Systems Field Trip guidebook-2 Surveys. Abilene Geological Society Guidebook, November 1949.

Abilene Geologic Society, 1958. 3 Block Diagrams: The Time Rock Units of West Central Texas. Abilene Geological Society Guidebook, November 1949.

Adams J.E. Mid-Paleozoic Paleogeography of Central Texas, Shale Shaker. V. 4, N. 6 p. 4-9, 1954.

Adams, C. Barnett Shale: A Significant Gas Resource in the Fort Worth Basin (ABS), AAPG, 2003.

Airhart, M. The Barnett Shale Gas Boom: Igniting a Hunt for Unconventional Natural Gas Resources. Article accessed September 2008 at http://geology.com/research/barnett-shale-gas.shtml.

Allard. Barnett Shale Play Hot in North Texas. September/October 2000 Landman.

Allard. Stratigraphic Cross Section of the Fort Worth Basin. Oil Information Library of Fort Worth, 2000.

Barnett Shale-Conclusion: Reservoir Characterization Improves Stimulation, Completion Practices. Oil and Gas Journal, Jan. 26, 2004, V. 102, N. 4, p. 35-39.

Barnett Shale Energy Education Council Environment. www.bseec.org/index.php/content/facts/environment.

Bayliss, G.S.; Schwab, K.W.; Smith, M.A.; Wood, G.D.; Yoder, N.B. Thermal maturity of the Upper Mississippian Barnett Shale in southeastern Wise County, Texas. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Beleforte, H.H. Pre-Canyon Structural Geology of the Southern End of the Fort Worth Basin. UT Masters Thesis. 1971

Berman, A. The Haynesville Shale Sizzles with the Barnett Cools. World Oil Magazine. V. 229, N. 9, September 2008.

Blanton, E.M.; Mackenzie, G.R.J. Hydraulic Pump-Down Frac Plug and Subsequent Coiled-Tubing Removal Increases Client Efficiency in Barnett Shale, SPE 100139, 2006.

Boardman, D.R.; Puckette, J.; Çemen, I. Late Paleozoic (Upper Mississippian) Organic-rich Gas Shales of the North American Midcontinent. Geological Society of America, 40(6), p.285; Geological Society of America, 2008 annual meeting, Houston, Texas, Oct. 5-9, 2008.

Boardman, D.R.; Puckette, J.; Cemen, I. Middle and Late Paleozoic Organic-rich Gas Shales of the North American Midcontinent. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Boughal, K. Unconventional Plays Grow in Number After Barnett Shale Blazed the Way. World Oil Magazine, V. 229, N. 8, August 2008.

Bowker, K.A. Recent Developments of the Barnett Shale Play, Fort Worth Basin; in Law, B.E. and Wilson, M., eds., Innovative Gas Exploration Concepts Symposium: Rocky Mountain Association of Geologists and Petroleum Technology Transfer Council, October 2002, Denver, Colo., 16 p.

Bowker, K.A. Prospecting for Shale Gas. Geological Society of America, 40(6), p.233; Geological Society of America, 2008 annual meeting, Houston, Texas, Oct. 5-9, 2008.

Bowker, Kent, A. Recent Developments of the Barnett Shale Play. Fort Worth Basin, RMAG, 2002.

Bowker, Kent, A. Recent Developments of the Barnett Shale Play. Fort Worth Basin, WTGS Bull, V. 42, N. 6, February 2003.

Bradfield, H.H. Oil Accumulation Related to Geologic History of the Muenster Arch and Associated Basins in N. Texas. AAPG Bull V. 43, p.1,175.

Brister, Brian. Water Fracs Prove Successful in Some Texas Basins. OGJ, March 20, 2000.

Britton, T.; Roberts, J. West Texas Shale Gas Play; Challenges to Commerciality. West Texas Geological Society, V. 06-117, p.937-959, West Texas Geological Society 2006 Fall Symposium, Resource Plays in the Permian Basin: Resource to Reserves, Midland, Texas, Oct. 25-27, 2006.

Broadhead, R.F. Mississippian Strata of Southeastern New Mexico: Distribution, Structure and Hydrocarbon Plays, West Texas Geological Society, V.06-117, p.12-26, West Texas Geological Society 2006 Fall Symposium: Resource Plays in the Permian Basin: Resource to Reserves, Midland, Texas, Oct. 25-27, 2006.

Browning, D. W.; Martin, C.A. Geology of North Caddo Area, Stephens County, Texas, Petroleum Geology of the Fort Worth Basin and Bend Arch Area, DGS, 1982.

Busetti, S.; Reches, Z. Formation of Network Fractures During Hydraulic Fracturing of the Barnett Shale, a Tight Gas Shale with Preexisting Fractures. Eos, Transactions, American Geophysical Union, 88(52 SUPPL.), American Geophysical Union 2007 fall meeting, San Francisco, Calif., Dec. 10-14, 2007.

Busetti, S.; Reches, Z.; Hennings, P. Fracture Propagation in a Sequence of Rock Layers with Damage Rheology. Eos, Transactions, American Geophysical Union, 89(53 Suppl.); American Geophysical Union 2008 fall meeting, San Francisco, Calif., Dec. 15-19, 2008. http://www.agu.org/meetings/fm08/fm08-sessions/fm08_T53C.html

Caran, Helper, Kyle. Geology of Historical Mining, Llano Uplift Region, Central Texas. Austin Geological Society Guidebook 20, 2000.

CER Corp. Geologic Petrophysical and Engineering Analysis of the Barnett Shale: Sims #2 Well. GRI Topical Report 92/0095 (contract # 5091-212-2242.), 1992.

CER Corp. Geological Petrophysical and Engineering Analysis of the Barnett Shale in the Mitchell Energy Corp. T.P. Sims No. 2, Wise County, Texas. Gas Research Institute Contract Report, N. 5091-212-2242, 83 p., 1992.

Cheney M.G.; Goss L.F. Tectonics of Central Texas. AAPG Bull V. 35, p.2237-2265, 1952.

Cheney M.G., History of the Carboniferous Sediments of the Mid Continent Oil Field. AAPG Bull V. 13, p.557-594, 1929.

Cheney M.G. Stratigraphic and Structural Studies in North Central Texas. BEG Bull 2913, 1929.

Cheney M.G. Geology of the North Central Texas. AAPG Bull 24, p 65-118, 1940.

Cheney M.G. Classification of Miss and Penn Rocks in North America. AAPG Bull 29, p. 125-169, 1945.

Cipolla, C.L. Modeling Production and Evaluating Fracture Performance in Unconventional Gas Reservoir. Journal of Petroleum Technology, 61(9), p.84-90, 2009.

Clark, F.T.; Bybee, H.H. Fort Worth Basin and Muenster Arch. AAPG Bull V. 35, p.353-356, 1951.

Cleaves, A.W. Upper Strawn Depositional Systems of North Central Texas in C.A. Martin. Dallas Geological Society, 1982.

Cloud, Barnes and Hass. Devonian-Mississippian Transition in Central Texas. GSA V. 68 p. 807-816, 1995.

Cluff, R. Barnett Shale-Woodford Shale Play of the Delaware Basin: Is It Another Giant Shale Gas Field in Texas? CSPG Annual Convention, V. 2006, 2006 CSPG-CSEG-CWLS joint conference, What's Next? Where is Our Industry Heading? Calgary, AB, Canada, May 15-18, 2006.

Cluff, R.M. Barnett Shale-Woodford Shale Play of the Delaware Basin: Is It Another Giant Shale Gas Field in Texas? West Texas Geological Society, V. 06-117, p.28-29, West Texas Geological Society 2006 fall symposium: Resource Plays in the Permian Basin, Resource to Reserves, Midland, Texas, Oct. 25-27, 2006.

Conway, M.W.; Salter, G.; Miller, R.S.; Hall, C. Abstract: Choosing Drilling, Completion, and Stimulation Fluids for Shale Gas Completions. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Coulter, G.R.; Gross, B.C.; Benton, E.G.; Thomson, C.L. Barnett Shale Hybrid Fracs--One Operator's Design, Application, and Results, SPE 1020263, 2006.

Coulter, Gerald R.; Benton, Edward G.; Thomson, Clifford L. Water Fracs and Sand Quantity: A Barnett Shale Example, SPE 90891, 2004.

Curtis J.B., 2002, Fractured Shale Gas Systems, AAPG Bull v 86 pp 1921-1938.

Daniels, J.; Waters, G.; LeCalvez, J.; Lassek, J.; Bentley, D. Contacting More of the Barnett Shale Through an Integration of Real-Time Microseismic Monitoring, Petrophysics, and Hydraulic Fracture Design. SPE 110562, 2007.

Davis, M.K.; Evensen, J. Formation Water Signatures of the Ft. Worth Basin Relevant to Gas Production from barnett Shale. Geological Society of America, 39(6), p.463; Geological Society of America, 2007 annual meeting, Denver, Colo., Oct. 28-31, 2007. AAPG Explorer, 28(9), p.48-49, 2007.

Day-Stirrat, R.J.; Loucks, R.G.; Milliken, K.L.; van der Pluijm, B.A. Mississippian Barnett Shale: Characterization and Concretions. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Denney, D., (editor). Evaluating Implications of Hydraulic Fracturing in Shale-gas Reservoirs. Journal of Petroleum Technology, 61(8), p.53-54, 2009.

Devon Energy. The Barnett Shale: Regional Report. Online presentation available at www.devon.com, Devon Energy, 2003.

Douglas, D. Anger over Road Damage Caused by Barnett Shale Development.

http://www.wfaa.com/sharedcontent/dws/wfaa/latestnews/stories/wfaa080822_lj_douglas.18a895d.html. Accessed: October 2008.

Du, C.; Zhang, X.; Melton, B.; Fullilove, D.; Suliman, B; Gowelly, S.; Grant, C.; LeCalvez, J. A Workflow for Integrated Barnett Shale Gas Reservoir Modeling and Simulation. SPE 1222934,

2009.

Durham, L.S. Haynesville vs. Barnett: Is My Shale Better than Your Shale? AAPG Explorer, 30(9), p.14-16, 2009.

Ehlmann, R.J. La Pan Field-Clay County, Texas, Petroleum Geology of the Fort Worth Basin and Bend Arch Area, DGS, 1982.

EJennings, Drew; Felderhoff, Floyd; Isbell, Matt; Christensen, Hughes; Kramer, Mark; Pierce, Eddie; Roberts, Geoff; Paugh, Wesley. Elevated Activity Levels Driving Technology Development at Record Pace: Barnett Shale, North Texas. SPE 109636, 2007.

Elmer, William G.; Elmer, Stuart J.; Elmer, Thomas E. New Single Well Standalone Gas Lift Process Facilitates Barnett Shale Fracture Treatment Flowback. SPE 118876, 2009.

Evanoff, Bill. The Bend Arch: in Lower Penn and Miss Rocks of NE Llano Uplift. Abilene and Fort Worth Geological Societies: Joint Field Trip Guidebook, 1957.

Ewing, J. Devon Energy Corp. Taking a Proactive Approach to Water Recycling in the Barnett Shale. Presented at the Fort Worth Business Press Barnett Shale Symposium. Feb. 29, 2008.

Fisher, M.K., C.A. Wright, B.M. Davidson. Integrating Fracture Mapping Technologies to Optimize Stimulation in the Barnett Shale. Society of the Petroleum Engineers, 2002.

Fisher, M.K.; Heinze, J.R.; Harris, C.D.; Davidson, B.M.; Wright, C.A.; Dunn, K.P. Optimizing Horizontal Completion Techniques in the Barnett Shale Using Microseismic Fracture Mapping. SPe 90051, 2004.

Fisher, M.K.; Wright, C.A.; Davidson, B.M.; Goodwin, A.K.; Fielder, E.O.; Buckler, W.S.; Steinsberger, N.P. Integrating Fracture-Mapping Technologies to Improve Stimulations in the Barnett Shale. SPE 77441, 2005.

Flippin, Jerel. Stratigraphy, Structure, and Economic Aspects of Paleozoic Strata in Earth Co, North Central Texas. Petroleum Geology of the Fort Worth Basin and Bend Arch Area, DGS, 1982.

Frantz, J.H. Jr.; Williamson, J.R.; Sawyer, W.K.; Johnston, D.; Waters, G.; Moore, L.P.; MacDonald, R.J.; Pearcy, M.; Ganpule, S.V. March, K.S. Evaluating Barnett Shale Production Performance Using an Integrated Approach. SPE 96917, 2005.

Gale, J.F.; Holder, J. Natural Fractures in Shales: Origins, Characteristics and Relevance for Hydraulic Fracture Treatments. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Gale, J.F.W.; Holder, J.; Reed, R.M. Natural Fractures in the Barnett Shale: Why They Are Important. American Association of Petroleum Geologists, V. 2007, p.113, AAPG 2007 Annual Convention & Exhibition, Long Beach, Calif., April 1-4, 2007.

Gale, Julia F.W.; Holder, Jon. Natural Fractures in the Barnett Shale: Constraints on Spatial Organization and Tensile Strength with Implications for Hydraulic Fracture Treatment in Shale-gas Reservoirs, ARMA 08-096, 2008.

Gas Research Institute. Formation Evaluation Technology for Production Enhancement: Log, Core Geochemical Analysis in the Barnett Shale. Gas Research Institute, 1991.

Gee, David. Base of the Penn in the Fort Worth Basin-Some Regional Comparisons Above and Below. Abilene Geol Society , Geol Contributions, 1976.

Geomap 1982, Stratigraphy Column Central Texas-Fort Worth Basin, Dallas Geological Society.

Giddens, Leslie. Subsurface Geology of Wise County, Texas. UT Masters Thesis, 1957.

Gilmer, A. A West Texas "Resource Play"... Productivity Comparisons to the Barnett Shale, Fort Worth Basin, West Texas Geological Society, V.06-117, p.386-414; West Texas Geological Society 2006 fall symposium; Resource Plays in the Permian Basin: Resource to Reserves, Midland, Texas, Oct. 25-27, 2006.

Goldstein, A. and Flawn, P.T. Oil and Gas Possibilities of Ouachita Structural Belt in Texas and Oklahoma. AAPG Bull V. 42, 1958.

Grieser, B.; Shelley, B.; Johnson; Fielder, E.O.; Heinze, J.R.; Werline, J.R. Data Analysis of Barnett Shale Completions. SPE 100674, 2006.

Grieser, Bill; Shelley, Blb; Soliman, Mohamed. Predicting Production Outcome from Multi-Stage, Horizontal Barnett Completions. SPE 120271, 2009.

Hardage, B.A. Seismic Evidence of the Effects of Carbonate Karst Collapse on Overlying Clastic Stratigraphy and Reservoir Compartmentalization. Geophysics V.61, N. 5, p.1,336-1,350, 1996.

Henry, J.D. Stratigraphy of the Barnett Shale (Mississippian) and Associated Reefs in the Northern Fort Worth Basin; in C.A. Martin, ed. Petroleum Geology of the Fort Worth Basin and Bend Arch Area: Dallas Geological Society, p.157-178, 1982.

Hayden, J.; D. Pursell, D. Pickering Energy Partners Inc. The Barnett Shale. Visitor’s Guide to the Hottest Gas Play in the US. October 2005.

Henry, J.D. Stratigraphy of the Barnett Shale and Associated Reefs in the Northern Fort Worth Basin. Petroleum Geology of the Fort Worth Basin and Bend Arch Area, DGS, 1982.

Hentz, T.F.; Potter, E.C.; Adedeji, M.A. Reservoir-scale Depositional Facies, Trends, and Controls on Sandstone Distribution of the Lower Atoka Group ("Bend Conglomerate"). Fort Worth Basin, Texas, American Association of Petroleum Geologists, V. 2007, p.113, AAPG 2007 Annual Convention & Exhibition, Long Beach, Calif., April 1-4, 2007.

Herkomer and Denke. Stratigraphy and Hydrocarbons, Parker County, Texas, Petroleum Geology of the Fort Worth Basin and Bend Arch Area, DGS, 1982.

Hill and Nelson. Barnett Shale Fort Worth Basin: An Overview and Update. Gas Tips, June 2000 (GRI).

Hill, D.G.; C.R. Nelson. Gas Productive Fractured ShalesAn Overview and Update. Gas Tips V. 7, N. 2, p.11-16, 2000.

Holder, Dan. 2001 Mid Continent Operators Test Dewatering Techniques, New Frac Technology. American Oil and Gas Reporter, August 2001.

Holditch and Associate. History Match Analysis of Production and Well Test Data from Mitchell Energy's Stella Young 4 Well. GRI Contract 5086-213-1446, 1991.

Irarte, R.S. Subsurface Geology of the Central Part of the Fort Worth Basin, UT Masters Thesis, 1972.

Janwadkar, S. Advanced Horizontal Technologies Improve Drilling Performance in the Barnett Shale, AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Janwadkar, S.S.; Fortenberry, D.G.; Roberts, G.K.; Kramer, M.; Trichel, D.K.; Rogers, T.; Privott, S.A.; Welch, B.; Isbell, M.R. BHA and Drillstring Modeling Maximizes Drilling Performance In Lateral Wells of Barnett Shale Gas Field of N. Texas. SPE 100589, 2006.

Janwadkar, Sandeep; Morris, Stephen; Thomas, Mark; Jackson, Garrett; Roberts, Geoff; Fortenberry, David; Kramer, Mark; Dennie, Defin. Barnett Shale Drilling and Geological Complexities—Advanced Technologies Provide the Solution. SPE 112765, 2008.

Jarvie, D.M., L.L. Lundell. Hydrocarbon Generation Modeling of Naturally and Artificially Matured Barnett Shale. Oral presentation, Ft. Worth Basin, Texas, Southwest Regional Geochemistry Meeting, The Woodlands, Texas, Sept. 8-9, 1991.

Jarvie, D.M. Oil and Shale Gas from the Barnett Shale. Ft. Worth Basin, Texas, AAPG Annual Meeting Program, V.10, p.A100, 2001.

Jarvie, D.M. Evaluation of the Unconventional Natural Gas Prospects, 2003.

Jarvie, D.M. Exploring For and Producing Shale Gas, Application of Detailed Geochemical Data in Ascertaining Prospectivity and Producibility. West Texas Geological Society, V. 06-117, p.55-56, West Texas Geological Society 2006 fall symposium; Resource Plays in the Permian Basin: Resource to Reserves, Midland, Texas, Oct. 25-27, 2006.

Jarvie, D.M.; Philp, R.P.; Jarvie, B.M. Unconventional Shale-gas Resource Systems and Processes Affecting Gas Generation, Retention, Storage, and Flow Rates. European Geosciences Union General Assembly, Vienna, Austria, April 19-24, 2009.

Johnson, Dunn , et al. Qualifying Hydraulic Fracturing Effectiveness in Tight Naturally Fractured Reservoirs. SPE 49048, 1988.

Johnson, K.; French, K.; Fichter, J.K.; Oden, R. Use Of Microbiocides in Barnett Shale Gas Well Fracturing Fluids to Control Bacteria Related Problems. NACE 08658, 2008.

Johnston, D. Barnett Shale-1: Technological Advances Expand Potential Play; Oil and Gas Journal, Jan. 19, 2004, V. 102, N. 3, p. 51-59, 2004.

Karastathis, A.; Rai, C.; Sondergeld, C. Petrophysical Properties of barnett Shale, AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Ketter, A.A.; Heinze, J.R.; Daniels, J.L.; Waters, G. A Field Study in Optimizing Completion Strategies for Fracture Initiation in Barnett Shale Horizontal Wells, SPE 103232, 2008.

Kier, Brown and McBride. Miss and Penn Systems in the United States, Ute Geol Cir 80-14, 1980.

Kier, Dresser and McGee. Depositional History of the Marble Falls Fm of the Llano Region. West Texas Geol Soc Pub 80-73, 1980.

King, George E.; Haile, Luke; Shuss, Jin; Dobkins, Terrel A. Increasing Fracture Path Complexity and Controlling Downward Fracture Growth in the Barnett Shale. SPE 119896, 2008.

Kinley, T.J.; Cook, C.W.; Breyer, J.A.; Jarvie, D.M.; Busbey, A.B. Hydrocarbon Potential of the Barnett Shale (Mississippian), Delaware Basin, West Texas and Southeastern New Mexico. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Kuuskra, V.; Stevens, S. Gas Shale2: Lessons Learned Help Optimize Development. Oil & Gas Journal, 107(37), p.52-57, 2008.

Kuuskraa, Koperna, et al. Barnett Shale Rising Star in Fort Worth Basin. Oil & Gas Journal, May 25, 1998.

Kuuskraa, Schmoker, and Dyman. Diverse Gas Plays Lurk in Gas Resources Pyramid. Oil & Gas Journal, June 8, 1998.

LaFollette, R.F.; Bowker, K.A.; Zhao, H.; Jarvie, D.M. The Relationship of Thermal Maturity and Structural Geology to Produced-Gas Composition in the barnett Shale. Fort Worth Basin, AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Lahti and Huber. The Atoka Group (Penn) of the Boonsville Field Area, North Central Texas. Petroleum Geology of the Fort Worth Basin and Bend Arch Area, DGS, 1982..

Lancaster, D.E.; Holditch, S.A.; McKetta, S.F.; Guidry, F.K.; Jochen, J.E. Reservoir Evaluation, Completion Techniques, and Recent Results From Barnett Shale Development in the Fort Worth Basin, SPE 24884, 1992..

Lancaster, Holditch and Associates, et al. Reservoir Evaluation, Completion Techniques, and Recent Results from Barnett Shale, SPE 24884, 1993.

Lancaster, McKetta and Lowry. Research Findings Help Characterize Fort Worth Basin's Barnett Shale, Oil & Gas Journal, p. 59-64, March 8, 1993.

Larsen, L.M. Horizontal Wells and the Barnett Shale Play-Borehole Images Provide a Different Perspective. American Association of Petroleum Geologists, V. 2007, p.113; AAPG 2007 Annual Convention & Exhibition, Long Beach, Calif., April 1-4, 2007.

Leonard R.; Woodroof, R.; Bullard, K.; Middlebrooks, M.; Wilson, R., 2007, Barnett Shale Completions: A Method for Assessing New Completion Strategies, SPE 110809.

Lohoefer, D.; Athans, J.; Seale, R., 2006, New Barnett Shale Horizontal Completion Lowers Cost and Improves Efficiency, SPE 103046.

Loucks, R.G.; Ruppel, S.C. Mississippian Barnett Shale: Lithofacies and Depositional Setting of a Deepwater Mudstone Succession. American Association of Petroleum Geologists, V. 2007, p.113, AAPG 2007 Annual Convention & Exhibition, Long Beach, Calif., April 1-4, 2007.

Loucks, R.G.; Ruppel, S.C. Shell and Grain Layers in the Barnett Shale: Event Deposition or In Situ Accumulations? AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Loucks, R.G.; Ruppel, S.C. The Barnett Shale of the Southern Fort Worth Basin: Comparison of Depositional Setting, Lithofacies, and Mineralogy with Equivalent Deposits in the Northern Basin. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Lovick, G.P. Atokan Clastics - Depositional Environments in a Foreland Basin. Petroleum Geology of the Fort Worth Basin and Bend Arch Area, DGS, 1982.

Manger, W.L.; Sutherland , P.K. Sequence Stratigraphy and Reservoir Development, Marble Falls Limestone, Central Texas. Oklahoma Geol Soc Circular 101 - Platform Carbonates in the Southern Mid-continent, 2000.

Martin, C.A. Street Field, Jack County Texas. Petroleum Geology of the Fort Worth Basin and Bend Arch Area, DGS, 1982.

Martineau, D. Newark East, Barnett Shale Field, Wise and Denton Counties, Barnett Shale Frac Gradient Variances (abs.). 2003 AAPG Southwest Section Meeting, Fort Worth, Texas; available online at: http://www.fwgs.org/swsec/ techsessions.htm. Accessed: Feb. 15, 2004

Martineau, David F. History of the Newark East Field and the Barnett Shale as a Gas Reservoir. AAPG Bulletin, V. 91, N. 4, p. 399-403, April 2007.

Matthews, H.L. Overview of Shale Gas Stimulation Techniques. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Mavor, M. Barnett Shale Gas-in-Place Volume Including Sorbed and Free Gas Volume. 2003 AAPG Southwest Section Meeting, Fort Worth, 2003.

Maxwell, S.C.; Urbancic, T.I.; Steinsberger, N.; Zinno, R. Reservoir Evaluation, Completion Techniques, and Recent Results from Barnett Shale Development in the Fort Worth Basin, SPE 77440, 2002.

Mayerhofer, J.J.; Lolon, E.P.; Youngblood, J.E.; Heinze, J.R. Integration of Microseismic Fracture Mapping Results With Numerical Fracture Network Production Modeling in the Barnett Shale. SPE 102103, 2006.

Meckle, L.D.; Smith, D.G.; Wells, L.A. Ouachita For Deep Basins: Regional Paleogeography and Habitat of Hydrocarbons. AAPG Memoir 55: Foreland Basin and Fold Belts, 1992.

Mutalik, P.N.; Bigson, Bob. Case History of Sequential and Simultaneous Fracturing of the Barnett Shale in Parker County. SPE 116124, 2008.

Namy, J.N. Stratigraphy and Hydrocarbons of the Marble Falls Group, Southern Part of the Fort Worth Basin, Petroleum Geology of the Fort Worth Basin and Bend Arch Area, DGS, 1982.

Ng, David Tai Wai. Subsurface Study of the Stoka ( Lower Penn) in Jack Palo Pinto, Parker, and Wise Counties. 1979.

Nieto, J.; Bercha, R. Shale Gas Petrophysics, Montney and Muskwa: Are They Barnett Look- alikes? Petrophysics (Houston, Texas), 50(2), p.170; 50th SPWLA annual logging symposium, The Woodlands, Texas, June 21-24, 2009.

Nunneley, J.E. Gas in Place Identification from Mudlog Gas, Barnett Shale - Fort Worth Basin, Texas. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Palmer, Ian; Moschovidis, Zissis; Cameron, John. Modeling Shear Failure and Stimulation of the Barnett Shale After Hydraulic Fracturing. SPE 106113, 2007.

Parker, M. Understanding Process Key to Shale Gas Development, Oil & Gas Journal, 107(36), p.50-52, 54-55, 2009.

Parker, Mark; Slabaugh, Billy; Walters, Harold; Hart, Thomas F. Walsh, Howard; Haley, Will; Harper, Joe; Weaver, Jim. Integrating Fracture Mapping Technologies to Optimize Stimulations in the Barnett Shale, SPE 80912, 2003.

Parshall, J. Barnett Shale Showcases Tight-gas Development. Journal of Petroleum Technology, Sept. 19, 2008.

Lantz, G. The Barnett Shale Magazine. Drilling Green Along Trinity Trails. Summer 2008.

Penny, G.S.; Pursley, J.T.; Clawson, T.D. Field Study of Completion Fluids To Enhance Gas Production in the Barnett Shale. SPE 100434, 2006.

Peppard-Souders. Structure and Stratigraphy of the Fort Worth Basin, Peppard-Souders consultant study, 1975.

Perez, R.; Slatt, R. Potential Fracturable Facies Identification Using Seismic Attributes and Seismic Inversion. Geological Society of America, 39(6), p.470; Geological Society of America, 2007 annual meeting, Denver, Colo., Oct. 28-31, 2007.

Perez, R.; Slatt, R.M. Potential Fracturable Facies Identification Based from Seismic Attributes and Microseismic from the barnett Shale, Newark East Field, Texas. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

The Perryman Group. Bounty from Below: The Impact of Developing Natural Gas Resources Associated with the Barnett Shale on Business Activity in Fort Worth and the Surrounding 14-County Area. May 2007.

Plummer, F.B. The Carboniferous Rocks of the Llano Regional of Central Texas, UT Bull 4329, 1943.

Plummer and Moore. Stratigraphy of the Pennsylvania Formations of the North Central Texas, UT Bull 2132, 1922.

Plummer, F.B. The Carboniferous Rocks of the Llano Regional of Central Texas, 1950.

Plummer, F.B.; Hornberger J. Geology of Palo Pinto County, Texas (contains section on coal), UT Bull 3534, 1935.

Pollastro, R.M. Assessing Undiscovered Resources of the Barnett-Paleozoic Total Petroleum System. Bend Arch Ft. Worth Basin Province, AAPG Southwest Section Convention, 2003.

Pollastro, R.M. Geological and Production Characteristics Utilized in Assessing in the Barnett Shale Continuous Gas Accumulation, Barnett Shale Symposium, Geotechnology Institute at Brookhaven College, 2003.

Pollastro, R.M. Assessment of Undiscovered Oil and Gas Resources of the Bend Arch-Fort Worth Basin Province of North-Central Texas and Southwestern Oklahoma, USGS Fact Sheet, 2004.

Pollastro, R.M. Geologic and Organic Geochemical Framework of the Barnett-Paleozoic Total Petroleum System, AAPG Annual Meeting Program Abstracts, 2004.

Pollastro, R.M. Geologic and Production Characteristics Utilized in Assessing the Barnett Shale Continuous (Unconventional) Gas Accumulation. Barnett-Paleozoic Total Petroleum System, Fort Worth Basin, Texas, 2004.

Potapenko, D.I.; Tinkham, S.K.; Lecerf, B.; Fredd, C.N.; Samuelson, M.L.; Gillard, M.R.; LeCalvez, J.H.; Danies, J.L. Barnett Shale Refracture Stimulations Using a Novel Diversion Technique, SPE 119636, 2009.

Pratt, W.E. Geologic Structure and Producing Area in North Texas. AAPG Bull V. 3, p. 44-70, 1919.

Puckette, J.; Boardman, D.; Coffey, B.; Gerding, E.; Kamman, P.; Aryal, N.; Singh, M.; Rihn, A.; Paxton, S. Comparative Lithology of the Barnett Shale, Central Texas and Age-equivalent Caney Shale in Southern Oklahoma. American Association of Petroleum Geologists, V. 2007, p.113, AAPG 2007 Annual Convention & Exhibition, Long Beach, Calif., April 1-4, 2007.

Pursell, D.; Heikkinen, D.; Pickering, D. Economics of Unconventional Natural Gas Plays in North America or the Implications of Less Exploration Risk and More Completion Risk. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Railroad Commission of Texas, 2009. Newark, East (Barnett Shale) Field.

http://www.rrc.state.tx.us/data/fielddata/barnettshale.pdf. Accessed March 2009.

Railroad Commission of Texas (RRC), 2008. Water Use in the Barnett Shale. http://www.rrc.state.tx.us/divisions/og/wateruse_barnettshale.html.

Ramakrishnan, H.; Waters, G.; Boratko, E.; Latifzai; Bentlye, D.; Kelley, J. Application of Downhole Injection Stress Testing in the Barnett Shale Formation, SPe 1224147.

Reed, R.; Loucks, R. Imaging Nanoscale Pores in the Mississippian Barnett Shale of the Northern Fort Worth Basin, American Association of Petroleum Geologists, V. 2007, p.115, AAPG 2007 Annual Convention & Exhibition, Long Beach, Calif., April 1-4, 2007.

Reed, R.M.; Loucks, R.G.; Jarvie, D.; Ruppel, S.C. Differences in Nanopore Development Related to Thermal Maturity in the Mississippian barnett Shale: Preliminary Results, Geological Society of America, 40(6), p. 268, Geological Society of America, 2008 annual meeting, Houston, Texas, Oct. 5-9, 2008.

Reed, R.M.; Loucks, R.G.; Jarvie, D.M.; Ruppel, S.C. Morphology, Distribution, and Genesis of Nanometer-scale Pores in the Mississippian Barnett Shale. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Reily, M.M. Several Gas Producing Reservoirs in the Southern Portion of Palo Pinto County Texas. Dallas Geological Society,1982.

Reimers, D. Shale Gas-us Trends and Expansion. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Res Tech Houston Inc. Log, Core, and Geochemical Analysis in the Barnett Shale. GRI Contract 5086-213-1390, 1991.

Rickman, Rick; Mullen, Mike; Petre, Erik; Grieser, Bill; Dundert, Donald. A Practical Use of Shale Petrophysics for Stimulation Design Optimization: All Shale Plays Are Not Clones of the Barnett Shale, SPE 115258, 2008.

Rozendel, D.I.; Erskine, W.S. Deep Test in Ouachita Structural Belt of Central Texas, AAPG v 35 no.11, 1971.

Ruppel, S.C.; Loucks, R.G.; Kane, J.; Wright, W. Depositional History and Stratigraphy of the Barnett Shale in the Fort Worth Basin: Implications for the Permian Basin. West Texas Geological Society, V. 06-117, p.105, West Texas Geological Society 2006 Fall Symposium, Resource Plays in the Permian Basin: Resource to Reserves, Midland, Texas, Oct. 25-27, 2006.

Ruppel, S.C.; Loucks, R.G.; Wright, W.R.; Kane, J.A.; Wang, F.P. Similarities and Contrasts among Major Paleozoic Shale Gas Reservoir Plays in Texas and New Mexico. American Association of Petroleum Geologists, V. 2007, p.120, AAPG 2007 Annual Convention & Exhibition, Long Beach, Calif., April 1-4, 2007.

Sandeep, Janwadkar; Morris, Stephen; Potts, Mike; Fortenberry, David; Roberts, Geoff; Kramer, Mark; Privott, Steve; Rogers, Tom. Advanced LWD and Directional Drilling Technologies Overcome Drilling and Completion Challenges in Lateral Wells of Barnett Shale, SPE 110837, 2007.

Schein, Gary W.; Carr, Philip Dale; Canan, Patrick A.; Richey, Ray. Ultra Lightweight Proppants: Their Use and Application in the Barnett Shale, SPE 90838, 2004.

Schmoker, Quinn, et al. Production Characteristics and Resources Assessment of the Barnett Shale, USGS Open File Report 96-254, 1996.

Sellards, Adkins and Plummer. The Geology of Texas, UT Bull 3232, 1932.

Shelley, Bob; Grieser, Bill; Johnson, Bill J.; Fielder, Eugene O.; Heinze, James R.; Werline, J.R. Data Analysis of Barnett Shale Completions, SPE 100674, 2008.

Shirley, Kathy. Barnett Shale Living Up to Its Potential. AAPG Explorer, July 7, 2002.

Shirley, Kathy. Shale Gas Exciting Again. AAPG Explorer, March 3, 2001.

Siebrits, E.; Elbel, J.L.; Hoover, R.S.; Diyashev, I.R.; Griffin, L.G.; Demetrius, S.L.; Wright, C.A.; Davidson, B.M.; Steinsberger, N.P.; Hill, D.G. Refracture Reorientation Enhances Gas Production in Barnett Shale Tight Gas Wells, SPE 63030, 2000.

Singh, P.; Slatt, R.; Coffey, W. Barnett Shale–Unfolded: Sedimentology, Sequence Stratigraphy and Regional Mapping. Geological Society of America, 40(6), p.572, Geological Society of America, 2008 annual meeting, Houston, Texas, Oct. 5-9, 2008.

Singh, P.; Slatt, R.; Coffey, W. Sequence Stratigraphy of Mudrocks; Example of the Barnett Shale, North Texas, US, Internationale, Resumes, V. 33; 33rd International Geological Congress, Oslo, Norway, Aug. 6-14, 2008.

Singh, P.; Slatt, R.M.; Rai, C.; Stamm, C. How is the Barnett Shale Stratified? Extracting the Answer from Cores and Logs. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Slatt, R.M.; Singh, P.; Borges, G.; Perez, R.; Portas, R.M.; Vallejo, J.; Ammerman, M.; Eslinger, E. Reservoir Characterization of the barnett Shale, Newark East Field Texas.AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Sloan. Palecology of the Penn Marine Shales of Palo Pinto County. J. Geology, V. 63, N. 5, 1955.

Spivey, .C.; Roberts, T.G. Lower Penn Terminology in Central Texas. AAPG Bull V. 30, 1946.

Stamm, C.; Homann, H.; Creden, S.; Freitag, H.C.; Fuldaand, C.; Lindsay, G. Barnett Shale - New LWD Sensor Technology Provides Crucial Formation Evaluation Information at Reduced Cost and Risk for Land Operations. SPWLA 2007-00, 2007.

Stevens, S.; Kuuskraa, V. Gas Shale_1: Seven Plays Dominate North American Activity. Oil & Gas Journal, 107(36), p.39-42, 44-46, 48-49, 2009.

Syfan, Frank E. Jr.; Newman, Stacy C.; Meyer, Bruce R.; Behrendt, Dan M. Case History: G-Function Analysis Proves Beneficial in Barnett Shale Application. SPE 110091, 2007.

Theodori, G.L. Public Perception of the Natural Gas Industry: Insights from Two Barnett Shale Counties. SPE 115917, 2008.

Thompson, D.M. Terrigenous Depositional Systems, Diagenesis and Reservoir Distribution and Positional Qualities, University of Texas Bureau of Economic Geology, 1982.

Thompson, D.M. The Geology of North America, Geological Society of America, 1988.

Townsend, A.; Anderson, K.; Gunderson, G. Using Chemical Markers Production Analysis Early-Time Assessment Stimulation Effectiveness in Reservoir Quality Barnett Shale Completions. SPE 94290, 2005.

Turner, G.I. Paleozoic Stratigraphy of the Fort Worth Basin; in Bell, W.C., ed., Abilene and Fort Worth Geological Societies Joint Field Trip Guidebook, p. 57-77, 1957.

Valko, Peter P. Assigning Value to Stimulation in the Barnett Shale: A Simultaneous Analysis of 7000 Plus Production Histories and Well Completion Records. SPE 119369, 2009.

Walper, J.L. Paleozoic Tectonics of the Southern Margin of North America. GCAGS V. 27, p 230-241, 1977.

Walper, J.L. Plate Tectonic of the Southern Margin of North America, GCAGS V. 27, p. 230- 241, 1982.

Walser, D. Induced Fracture Azimuth and Stimulated Network Size Determination in West Texas Barnett and Woodford Shale Wildcatting. West Texas Geological Society, V. 06-117, p.147; West Texas Geological Society 2006 fall symposium, Resource Plays in the Permian Basin: Resource to Reserves, Midland, Texas, Oct. 25-27, 2006.

Warpinski, N.R.; Kramm, R.C.; Heinze, J.R.; Waltman, C.K. Comparison of Single- and Dual-Array Microseismic Mapping Techniques in the Barnett Shale, SPE 95568, 2005.

Water Use in the Barnett Shale. Railroad Commission of Texas, updated July 30, 2008, from http://www.rrc.state.tx.us/barnettshale/wateruse_barnettshale.php.

Waters, G. Use of Horizontal Well Image Tools in the Completion of Barnett Shale Wells. AAPG 2008 Annual Convention & Exhibition, San Antonio, Texas, April 19-23, 2008.

Waters, G.; Heinze, J.; Jackson, R.; Ketter, A.; Daniels, J.; Bentlye, D. Use of Horizontal Well Image Tools to Optimize Barnett Shale Reservoir Exploitation, SPE 103202, 2006.

Waters, G.; Ramakrishnan, H.; Janiesl, J.; Benthley, D.; Belhardi, J.; Sparkman, D. Unlocking the Unconventional Oil and Gas Reservoirs: Utilization of Real Time Microseismic Monitoring and Hydraulic Fracture Diversion Technology in the Completion of Barnett Shale Horizontal Wells. OTC 20268, 2009.

Watson, W.G. Paleozoic Stratigraphy of the Llano Uplift Area. West Texas Geol Soc Pub 80-7.3, 1980.

Weaver, O.D. Introduction to the Fort Worth Basin. Soc Econ Paleo and Mineral Permian Basin section, oral paper, 1956.

Webster, J.L. Evolution to the Southern Oklahoma Aulacogen, OGJ Feb 18, 1980 p.150-172, 1980.

White. A Study of the Mississippi Deposits in the Subsurface of North Central Texas. Texas Christian University-MS, 1948.

Wiggens, W.D. Depositional History and Micro Spar Development in Reducing Pore Water. Marble Falls Limestone, UT Doc Diss (W 629 1982).

Williams, Harold. Barnett Shale in Lexicon of Pre-Penn Strat Names of W. Texas and SW NM. West Texas Geol Soc Pub 80-73, 1958.

Williams, L. The Viola Ordovician of Southwest Montague County, Dallas Geological Society, 1982.

Williams, Peggy. The Barnett Shale. Oil and Gas Investor, V. 22, N. 3, p. 34-35, 2002.

Winton and Adkins. Geology of Tarrant County, UT Bull, 1931.

Zhao, H. Thermal Maturation and Physical Properties of Barnett Shale in Fort Worth Basin, North Texas (abs). American Association of Petroleum Geologists Annual Meeting, 2004; Session on Unconventional Gas, available online at: http://aapg.confex.com/aapg/da2004/techprogram/ A87090.htm.