Gene B. Wiggins, "Gulf of Mexico - Still Mighty After All These Years," Energy Tribune, May 2007.

Mark A. Cocker, Lynne R. Goodoff, J. Antonio Cuevas Leree, Ricardo Martinez Sierra, J. Javier Hernandez Mendoza and Douglas Hamilton, "Burgos Basin Play Analysis Reveals Frio-Vicksburg Exploration Focus Areas". Part 2, O&GJ, September 30, 2002.

Mark A. Cocker, Lynne R. Goodoff, J. Antonio Cuevas Leree, Ricardo Martinez Sierra, J. Javier Hernandez Mendoza and Douglas Hamilton, "Burgos Basin Play Analysis Reveals Frio-Vicksburg Exploration Focus Areas". Part 1, O&GJ, September 23, 2002, p 34-40.

D.I. Heather and G.B. Wiggins III, "How to bid successfully in a changed marketplace," Part 2, OGJ November 5, 2001.

D.I. Heather and G.B. Wiggins III, "They paid how much for that property?" Part 1, OGJ October 29, 2001.

D.G. Morales, L.R. Goodoff, A.S. Zapata, and M.G. Garcia, "Fault Styles Across Santa Rosalia and Santa Anita Fields, Burgos Basin, Mexico," Presented at SEG, San Antonio, Texas, September 9-13, 2001.

R.H. Caldwell and D.I. Heather, "Characterizing Uncertainty in Oil and Gas Evaluations," SPE 68592, HEES April 2-3, 2001.

D. Boneau and P.H. Lowry, "Waterflood Strategy Evolves from Improved 3-D Flow Unit Characterization," World Oil, Petroleum Technology Digest, September 1999 Supplement.

R.H. Caldwell and D.I. Heather, "Evaluation Issues Created by Technology Advances," SPE 52965 Presented at HEES, March 20-23 1999.

R.H. Caldwell and D.I. Heather, "How Technology Transforms Resources Into Reserves," SPE 37933 Presented at HEES, March 15-18 1997.

R.H. Caldwell, J.L. Merkel and J. Hansen (GRI), "Measuring the Impact of Technology Advances in the Gulf Coast," Gas Tips 1997.

R.H. Caldwell, J.L. Merkel and J. Hansen (GRI), "Study to gauge impact of technology advances," Oil & Gas Journal February 12, 1996, p. 54-55.

R.H. Caldwell and D.I. Heather, "Why Our Reserves Definitions Don't Work Anymore," SPE Reservoir Engineering, February 1996 p. 29-33.

L.M. Wenger, L.R. Goodoff, O.P. Gross, S.C. Harrison and K.C. Hood, "Northern Gulf of Mexico: An Integrated Approach to Source, Maturation, and Migration," First Joint AAPG/AMGP Research Conference; Geological Aspects of Petroleum Systems, October 2-6, 1994, Mexico City, Mexico.

R.H. Caldwell, "Strategy and Valuation Pitfalls In North America," APEA Journal 1994 p. 876-881.

Lowry, P., 1994 "Petrophysical Facies Stratigraphy Using Statistical Log Response Characterization, Monte Carlo Simulation and Inversion Methods," 35th Annual Logging Symposium Transactions, Paper BBB 1-18.

R.H. Caldwell, J.D. Grace and D.I. Heather, "Comparative Reserve Definitions: USA, Europe and Former Soviet Union," JPT, September 1993, p. 866-872.

Kubik, West and Lowry, Patrick, 1993 "Fracture Identification and Characterization Using Cores, FMS Cast, and Borehole Camera: Devonian Shale, Pike County, Kentucky, SPE 25897.

R.H. Caldwell and D.I. Heather, "Dismantling the Dinosaurs: A Look at U.S. M&A Trends," Oil & Gas Journal, November 11, 1992 p. 66-69.

Meek, J. and Lowry, P., 1992 "Data Management: A Case Study, SPE 24442.

G.B. Wiggins III, "Oil and Gas Property Evaluation," in The Business of Petroleum Geology, AAPG 75th Anniversary Project, The Treatise of Petroleum Geology, 1992.

G.B. Wiggins III, "Oil and Gas Property Evaluation," Textbook prepared in conjuction with short course series sponsored by the AAPG.

Lancaster, D.E., Guidry, F., Lowry, P. and Abraham, R., 1991 GRI's Devonian Shales Research Program: A Progress Report, SPE 23420.

McBane, R.A. and Lowry, P.H., 1991, Application of Single-Fold Seismic Data, Natural Fracture and Lithological Characterization Comprehensive Study Wells, and Preliminary Geologic Study, GRI Experimental Development Well Site Selection Area. K&A Energy Consultants, Tulsa. Report to GRI, Contract No. 5087-213-1617-A

R.H. Caldwell and W.A. Beninger, "Will Producers Benefit When (if) U.S. Gas Prices Rise in Earnest?" Oil & Gas Journal, December 2, 1991, p. 70-72.

W.A. Beninger and R.H. Caldwell, "Estimating Decline Curves With Confidence," Oil & Gas Journal, October 7, 1991, p. 105-107.

R.H. Caldwell and D.I. Heather, "How To Evaluate Hard-To-Evaluate Reserves," SPE 22025, JPT August, 1991 p. 998-1003.

Lowry, P.H., Hamilton-Smith, T., and Falleur, J.P., 1990, Structural and lithofacies mapping provide tools for exploration in Devonian shales. Devonian Gas Shales Technology Review, v. 6, no. 2-3, p. 46-61.

Lowry, P.H., Hamilton-Smith, T., and Brown, R., 1990, Geological Strategy for Identifying Areas of Higher Gas Production Potential in the Devonian Shales of the Appalachian Basin, K&A Energy Consultants, Tulsa. Report to GRI, Contract No. 5087-213-1617-A.

R.H. Caldwell, D.I. Heather and W.A. Beninger, "Are Oil and Gas Reserves Values Falling?" Oil & Gas Journal, March 19, 1990, p. 59-60.

R.H. Caldwell and D.I. Heather, "Acquisition Strategy Development," SPE 18904, SPE 1989 HEES, March 1989.

Lowry, P., Hamilton-Smith, T. and Peterson, R., 1989 "Devonian Shales of Central Appalachian Basin: Geologic Controls on Gas Production, Abstract AAPG International Meeting.

Hamilton-Smith, T., Lowry, P., Peterson, R.M., and Falleur, J., 1989a, Well report: Columbia Natural Resources, Inc., Pocahontas Development Corporation No. 12680, GRI Comprehensive Study Well No. 1, Martin County, Kentucky. GRI, GRI-89/0217, 20 p.

Ferrell, H.H., Lowry, P.H., Kennedy, J.E., and Dauben, D.L., 1988, Geologic and engineering analysis and evaluation of factors affecting widespread development of Devonian shale oil. K&A Consultants, Tulsa. Report to DOE, Contract No. DE-AC-1-86MC22140, v. 2.

Watts, R., Yost III, A., Farrell, H., Kennedy, T. and Lowry, P., 1988 "Devonian Shale Oil Production Analysis and Evaluation, SPE 18552.

R.H. Caldwell, "Exploration Strategy Development Under Volatile Pricing Conditions," SPE 16317, SPE 1987 HEES, March 1987.

R.H. Caldwell and D. Johnston, "Risk Factor Determination Using Historical Drilling Statistics," Presented at 1985 Houston GEOTECH Symposium sponsored by AAPG and Houston Geological Society.

R.H. Caldwell, "The Use of Computerized Statistical Data in Risk Appraised Economic Analysis of Oil and Gas Prospects," SPE 13781, SPE 1985 HEES, March 1985.

R.H. Caldwell and D. Johnston, "Drilling Statistics Influence Most Appropriate Risk Technique," Oil & Gas Journal, December 1985.

R.H. Caldwell, "Holocene Gypsum Types and Formative Processes in Tidal Flat Settings, Carnarvon Basin, Western Australia," Presented at AAPG, Calgary, July 1982.

R.H. Caldwell and J.A. Madigan, "Application for Polycrystalline Diamond Compact Bits from Analysis of Carbide Insert and Steel Tooth Bit Performance," SPEJ, July 1981, p. 1171-1179.

D.I. Heather and W.B. Cline, "The Merits of Alternative Oilfield Development Approaches," SPE 1971, Presented at regional meetings in Amsterdam, Holland; Houston, Texas and Aberdeen, Scotland.