Technical Papers

TORP Supported Technical Papers

  • Chen, F., C.S. McCool, D.W. Green, and G.P. Willhite, “Experimental and Modeling Study of the Transport of Chromium Acetate Through Carbonate Rocks,” SPE Journal (June 2010) 15, No. 2.
  • Tsau, J. S., Bui, L.H., and Willhite, G. P.: “Swelling/Extraction Test of a Small Sample Size for Phase Behavior Study,” paper SPE 129728, Proceedings of the 2010 SPE Improved Oil Recovery Symposium, Tulsa, OK. April 24-28, 2010.
  • Bui, L.H., Tsau, J. S., and Willhite, G. P.: “Laboratory Investigations of CO2 Near-miscible Application in Arbuckle Reservoir,” paper SPE 129710, Proceedings of the 2010 SPE Improved Oil Recovery Symposium, Tulsa, OK. April 24-28, 2010.
  • Salehi, M., Johnson, S.J. & Liang, J.-T.: “Enhanced wettability alteration by surfactants with multiple hydrophilic moieties,” Journal of Surfactants and Detergents, 13 (3), 243-246, 2010
  • McCool, C.S., X. Li, and G.P. Willhite, “Flow of a Polyacrylamide-Chromium Acetate System in a Long Conduit,” SPE Journal (March 2009) 14, No. 1.
  • Johnson S.J., Trejo, J., Veisi, M., Willhite, G.P., Liang, J.T., and Berkland, C: “Effect of Divalent Cations, Seawater and Formation Brine on Positively Charged Polyethylenimine/ Dextran Sulfate/Cr Polyelectrolyte Complexes and HPAM/Cr Gelation,” Journal of Applied Polymer Science, 115 (2),1008 – 1014, 2009
  • Al-Assi, A.A., G.P. Willhite, D.W. Green and C.S. McCool, “Formation and Propagation of Gel Aggregates Using Partially Hydrolyzed Polyacrylamide and Aluminum Citrate,” SPE Journal (September 2009) 14, No. 3.
  • Tsau, J.S., Bustamante, V., Green D.W. Barnett, B., and Dale, J.: “Evaluation of Manson Lease Oil Field for Improved Oil Recovery Process,” paper SPE 113985, Proceedings of the 2008 SPE Improved Oil Recovery Symposium, Tulsa, OK. April 19-23, 2008.
  • Burns, L.D., M. Burns, G.P. Willhite, C.S. McCool, K. Oglesby, J. Glass, “New Generation Silicate Gel System for Casing Repairs and Water Shutoff,” SPE Paper No. 113490, proceedings of the 2008 SPE Improved Oil Recovery Symposium, Tulsa, OK (19-23 April 2008).
  • Salehi, M., Johnson, S.J., Liang, J.T. “Mechanistic Study of Wettability Alteration Using Surfactants with Applications in Naturally Fractured Reservoirs,” Langmuir 24 (24), 14099-14107, 2008
  • Tsau, J.S., Bustamante, V., Green D.W. Barnett, B., and Dale, J.: “Evaluation of Manson Lease Oil Field for Improved Oil Recovery Process,” paper SPE 113985, Proceedings of the 2008 SPE Improved Oil Recovery Symposium, Tulsa, OK. April 19-23, 2008.
  • Ghoraishi, M., Liang, J.T., Green, D.W., and Liang, H.C.: “Application of Bayesian Networks for Predicting the Performance of Gel-Treated Well in the Arbuckle Formation, Kansa,” paper SPE 113401 presented at the 2008 SPE/DOE Improved Oil Recovery Symposium, Tulsa, OK, April 20-23, SPE e-Library
  • Cordova, M., Cheng, M., Trejo, J., Johnson, S.J., Willhite, G.P., Liang, J.T., and Berkland, C.: “Delayed HPAM Gelation via Transient Sequestration of Chromium in Polyelectrolyte Complex Nanoparticles,” Macromolecules, 41 (12), 4398–4404, 2008
  • Saeedi, A., Camarda, K.V., Liang, J.T.: “Using Neural Networks for Candidate Selection and Well Performance Prediction in Water-Shutoff Treatments Using Polymer Gels-A Field-Case Study,” SPE Production & Operations, Nov. 2007
  • Alhajeri, M.M., Green, D.W., Liang, J., Pancake, R.E.: “Gel-Polymer Extends Arbuckle High-Water-Cut Well Life,” Oil & Gas Journal 104.2 (Jan. 9, 2006) 39-43
  • Salehi, M, Johnson, S, Fox, S., Bala, G, Liang, J.T.: “Wettability Alteration of Carbonate Rock Mediated by Biosurfactant Produced from High-Starch Agricultural Effluents,” presented at the 9th International Symposium on Evaluation of Wettability and Its Effect on Oil Recovery, Bergen, Norway, September 18-19, 2006, Meeting Proceedings
  • Saeedi, A., Camarda, K.V., Liang, J.T.: “Using Neural Networks for Candidate Selection and Well Performance Prediction in Water-Shutoff Treatments Using Polymer Gels – A Field-Case Study,” paper SPE 101028 presented at the 2006 SPE Asia Pacific Oil & Gas Conference and Exhibition held in Adelaide, Australia, September 11-13, SPE e-Library
  • Barati, R., Green, D.W., and Liang, J.T.: “Simulation of Gelled Polymer Treatments in the Arbuckle Formation, Kansas,” paper SPE 100067 presented at the 2006 SPE/DOE Improved Oil Recovery Symposium, Tulsa, OK, April 22-26, SPE e-Library
  • Nguyen, T.Q., D.W. Green, G.P. Willhite and C.S. McCool “Effects of Gelant Composition and Pressure Gradients of Water and Oil on Disproportionate Permeability Reduction of Sandpacks Treated with Polyacrylamide-Chromium Acetate Gels,” SPE Journal (June 2006) 11, No. 2.
  • Jain, R., C. S. McCool, D. W. Green, G. P. Willhite and M. J. Michnick, “Reaction Kinetics of the Uptake of Chromium (III) Acetate by Polyacrylamide,” SPE Journal, 10 (September, 2005) pp. 247 – 254.
  • Jin, H., C. S. McCool, G. P. Willhite, D. W. Green and M. J. Michnick, “Propagation of Chromium(III) – Acetate Solutions Through Dolomite Rock,” SPE Journal, 8 (June, 2003) pp. 107 – 113.
  • Ganguly, S., G. P. Willhite, D. W. Green and C. S. McCool, “The Effect of Fluid Leakoff on Gel Placement and Stability in Fractures”, SPE Journal, 7 (Sept., 2002) pp 309 – 315.
  • Willhite, G. P., H. Zhu, D. Natarajan, C. S. McCool and D. W. Green, “Mechanisms Causing Disproportionate Permeability in Porous Media Treated With Chromium Acetate/HPAAM Gels”, SPE Journal, 7 (March, 2002) pp.100 – 108.
  • Shaw, A. K., A. Singh, S. Bhattacharya, C. S. McCool, D. W. Green and G. P. Willhite, “Permeability Reduction by Treatment with KUSP1 Biopolymer Systems”, SPE Journal, 5 (December, 2000) pp. 371 – 376.
  • Zou, B., C. S. McCool, D. W. Green, G. P. Willhite and M. J. Michnick, “Precipitation of Chromium Acetate Solutions”, SPE Journal, 5 (September, 2000) pp. 324 – 330.
  • McCool, C. S., D. W. Green and G. P. Willhite, “Fluid-Rock Interaction Between Xanthan – Chromium(III) Gel Systems and Dolomite Core Material”, SPE Production and Facilities, 15 (August, 2000) pp. 159 – 167.
  • Zou, B., C. S. McCool, D. W. Green and G. P. Willhite, “A Study of the Chemical Interaction Between Brine Solutions and Dolomite”, SPE Reservoir Evaluation and Engineering, 3 (June, 2000) pp. 209 – 215.
  • Raje, M., K. Asghari, S. Vossoughi, D. W. Green and G. P. Willhite, “Gel Systems for Controlling CO2 Mobility in Carbon Dioxide Miscible Flooding”, SPE Reservoir Eval and Engineering 2 (April 1999) pp 205 – 210.
  • Ranganathan, R., R. Lewis, C. S. McCool, D. W. Green and G. P. Willhite, “An Experimental Study of the In Situ Gelation Behavior of a Polyacrylamide/Aluminum Citrate ‘Colloidal Dispersion’ Gel in a Porous Medium and Its Aggregate Growth During Gelation Reaction”, SPE Journal, 3 (December, 1998) pp 337 – 343.
  • Maxcy, T. A., G. P.Willhite, D. W. Green, and K. Bowman-James, “A Kinetic Study of the Reduction of Chromium(VI) to Chromium(III) by Thiourea”, Journal of Petroleum Science and Engineering, 19 (1998), pp 253 – 263.
  • Dona, C. L., D. W. Green, and G. P. Willhite: “A Study of the Uptake and Gelation Reactions of Cr(III) Oligomers with Polyacrylamide”, Journal of Applied Polymer Science, 64 (1997), pp 1381 – 1391.
  • Zhuang, Y., C. S. McCool, G. P. Willhite and D. W. Green, “A Novel Polymer.II. Investigation on In Situ Gelation of SMRF System in Berea Core”, Chin. J. Polymer Science, 13, (1995), pp 66 – 73.
  • Zhuang, Y., C. S. McCool, G. P. Willhite and D. W. Green, “A Novel EOR Polymer. Study on Gelation of Resorcinol Formaldehyde System”, Chin J. Polymer Science, 13, 59 – 65 (1995), pp 59 – 65.
  • Schoeling, L. G., D. W. Green, G. P. Willhite, and W. L. Watney, “Technology Transfer Program to Assist Independent Operators”, SPE 27783, peer reviewed manuscript (1995).
  • Gales, J. R., T. S. Young, G. P. Willhite and D. W. Green, “Equilibrium Swelling and Syneresis Properties of Xanthan Gum/Cr(III) Gels”, SPE Advanced Technology Series, 2 (April 1994), pp. 190 – 198.
  • Hejri, S., F. Jousset, D. W. Green, G. P. Willhite and C. S. McCool, “In Situ Gelation of Xanthan/Cr(III) Gel Systems in Porous Media”, SPE Reservoir Engineering, 8 (November 1993), pp. 299 – 304.
  • Todd, B. T., G. P. Willhite and D. W. Green, “A Mathematical Model of In Situ Gelation of Polyacrylamide by a Redox Process”, SPE Reservoir Engineering, 8 (February 1993), pp. 51 – 58.
  • Eggert Jr., R. W., G. P. Willhite and D. W. Green, “Experimental Measurement of the Persistence of Permeability Reduction in Porous Media Treated with Xanthan/Cr(III) Gel Systems”, SPE Reservoir Engineering, 7 (February 1992), pp. 29 – 35.
  • Maxcy, T. A., G. P. Willhite, D. W. Green and K. B. Mertes, “Spectroscopic Determination of Chromium(VI) During the Reduction of Chromium(VI) to Chromium(III)”, Applied Spectroscopy, 45 (July 1991) pp. 1036 – 1040.
  • Marty, L., G. P. Willhite and D. W. Green, “The Effect of Flow Rate on the In Situ Gelation of a Chrome/Redox/Polyacrylamide System”, SPE Reservoir Engineering, 6 (May 1991), pp. 219 – 224.
  • Hejri, S., D. W. Green and G. P. Willhite, “Development of Correlations to Predict Biopolymer Mobility in Porous Media”, SPE Reservoir Engineering, 6 (February 1991), pp. 91 – 98.
  • McCool, C. S., D. W. Green and G. P. Willhite, “Permeability Reduction Mechanisms Involved in In Situ Gelation of a Polyacrylamide/Chromium(VI)/Thiourea System in Porous Media”, SPE Reservoir Engineering, 6 (February 1991) pp. 77 – 83.
  • He, Q., T. S. Young, G. P. Willhite, and D. W. Green, “Measurement of Molecular Weight Distribution of Polyacrylamides in Core Effluents by Size – Exclusion Chromatography/Low Angle Laser Light Scattering”, SPE Reservoir Engineering, 5 (August 1990) pp. 333 – 338
  • Green, D. W., “Status of EOR Research in the U.S.”, The Interstate Oil & Gas Compact & Committee Bulletin, 4 (June 1990) pp. 75 – 84.
  • Schoeling, L. G., D. W. Green and G. P. Willhite, “Introducing EOR Technology to Independent Operators”, Journal of Petroleum Technology, 41 (December 1989) pp. 1344 – 1350.
  • Young, T. S., J. A. Hunt, D. W. Green and G. P. Willhite, “Study of Equilibrium Properties of Cr(III) – Polyacrylamide Gels by Swelling Measurement and Equilibrium Dialysis,” SPE Reservoir Engineering, 4 (August 1989) pp. 348 – 356.
  • Hunt, J. A., T. S. Young, D. W. Green and G. P. Willhite, “A Kinetic Study of the Cr(III)-Polyacrylamide Crosslinking Reaction by Equilibrium Dialysis”, AIChE Journal, 35, (February 1989) pp. 250 – 258.
  • Hunt, J. A., T. S. Young, D. W. Green, and G. P. Willhite, “Application of Size Exclusion Chromatography in the Measurements of Concentration and Molecular Weight of Some EOR Polymers”, SPE Reservoir Engineering, 3 (August 1988) pp. 835 – 8
  • Young, T. S., G. P. Willhite and D. W. Green, “Study of Intra-Molecular Crosslinking of Polyacrylamide in Cr(III) Polyacrylamide Gelation by Size Exclusion Chromatography, Low Angle Laser Light Scattering and Viscometry”, Polymer Material Science Engineering, 55 (1986), pp. 791. Also published in Water Soluble Polymers for Petroleum Recovery, Plenum Publishing Co., New York, NY (1988) pp. 329
  • Huang, C. G., D. W. Green and G. P. Willhite, “An Experimental Study of the In Situ Gelation of Chromium(+3) Polyacrylamide Polymer in Porous Media”, SPE Reservoir Engineering, 1 (November 1986), pp. 583 – 592.
  • Vossoughi, S., J. E. Smith, D. W. Green and G. P. Willhite, “A New Method to Simulate the Effects of Viscous Fingering on Miscible Displacement Processes in Porous Media”, Society of Petroleum Engineers Journal, 24, No. 1 (February 1984), pp. 56 – 64.
  • Arriola, A., G. P. Willhite, and D. W. Green, “Trapping of Oil Drops in a Noncircular Pore Throat and Mobilization Upon Contact with a Surfactant”, Society of Petroleum Engineers Journal, 23, No. 1 (February 1983), pp. 99
  • Jordan, D. S., D. W. Green, R. E. Terry, and G. P. Willhite, “The Effect of Temperature on the Gelation Time of Polyacrylamide Chromium(III) Systems”, Society of Petroleum Engineers Journal, 22, No. 4 (August 1982), pp. 463 – 471.
  • Shah, K. D., D. W. Green, M. J. Michnick, R. E. Terry and G. P. Willhite, “Phase Boundaries of Microemulsion Systems as a Way of Characterizing Hydrocarbon Mixtures”, Society of Petroleum Engineers Journal, 21, No. 6 (December 1981) pp. 763 – 770.
  • Terry, R. E., C. G. Huang, D. W. Green, M. J. Michnick, and G. P. Willhite, “Correlation of Gelation Times for Polymer Solutions Used as Mobility Control Agents”, Society of Petroleum Engineers Journal, 21, No. 2 (April 1981), pp. 229 – 235.
  • Willhite, G. P., D. W. Green, D. M. Okoye, and M. D. Looney, “A Study of Oil Displacement by Microemulsion Systems – Mechanisms and Phase Behavior”, Society of Petroleum Engineers Journal, 20, No. 6 (December 1980), pp. 459 – 472.
  • Dominguez, J. G., G. P. Willhite, and D. W. Green, “Phase Behavior of Microemulsion Systems with Emphasis on Effects of Paraffinic Hydrocarbons and Alcohols”, Solution Chemistry of Surfactants, Vol. 2, Plenum Publishing Corp., New York (1979), Edited by K. L. Mittal.
  • Robel, R. J., T. Cotton, D. W. Green, R. J. Kalter, F. W. Preston, W. E. Tyner and G. P. Willhite, “Enhanced Oil Recovery Potential in the United States”, Chapters I IV, Office of Technology Assessment, U. S. Congress, (January 1978), pp. 1 – 84.