George J. Hirasaki

Biography

Publications

1. G. J. Hirasaki and J. D. Hellums, "A General Formulation of the Boundary Conditions on the Vector Potential in Three Dimensional Hydrodynamics", Quart. App. Math., Vol. 16, No. 3 (Oct. 1968), 331-342.
2. G. J. Hirasaki and J. D. Hellums, "Boundary Conditions on the Vector and Scalar Potentials in Viscous Three Dimensional Hydrodynamics", Quart. App. Math. (July 1970), 293-296.
3. G. J. Hirasaki and P. M. O'Dell, "Representation of Reservoir Geometry for Numerical Simulation", Soc. Pet. Eng. J. (Dec. 1970), 393-404.
4. P. L. Bondor, G. J. Hirasaki, and M. J. Tham, "Mathematical Simulation of Polymer Flooding in Complex Reservoirs", Soc. Pet. Eng. J. (Oct. 1972), 369-382.
5. M. R. Todd, P. M. O'Dell, and G. J. Hirasaki, "Methods for Increased Accuracy in Numerical Reservoir Simulators", Soc. Pet. Eng. J. (Dec. 1972), 515-530.
6. G. J. Hirasaki, "Pulse Tests and Other Early Transient Pressure Analysis for In-Situ Estimation of Vertical Permeability", Soc. Pet. Eng. J. (Feb. 1974), 75-90.
7. G. J. Hirasaki and G. A. Pope, "Analysis of Factors Influencing Mobility and Adsorption in the Flow of Polymer Solutions Through Porous Media", Soc. Pet. Eng. J. (Aug. 1974), 337-346.
8. G. J. Hirasaki, "Sensitivity Coefficients for History Matching Oil Displacement Processes", Soc. Pet. Eng. J. (Feb. 1975) 39-
9. J. E. Chappelear and G. J. Hirasaki, "A Model of Oil-Water Coning for Two-Dimensional, Areal Reservoir Simulation", Soc. Pet. Eng. J. (April 1976), 65-7
10. R. G. Larson and G. J. Hirasaki, "Analysis of the Physical Mechanisms in Surfactant Flooding", Soc. Pet. Eng. J. (Feb. 1978), 42-58.
11. G. J. Hirasaki, "Application of the Theory of Multicomponent, Multiphase Displacement to Three-Component, Two-Phase Surfactant Flooding", Soc. Pet. Eng. J. (April 1981), 191-204.
12. L. W. Lake and G. J. Hirasaki, "Taylor's Dispersion in Stratified Porous Media", Soc. Pet. Eng. J. (Aug. 1981), 459-468.
13. G. J. Hirasaki, "Ion Exchange with Clays in the Presence of Surfactant", Soc. Pet. Eng. J. (April 1982), 181-192.
14. G. J. Hirasaki, "Interpretation of the Change in Optimal Salinity with Overall Surfactant Concentration", Soc. Pet. Eng. J. (Dec. 1982), 971-982.
15. G. J. Hirasaki, H. R. van Domselaar, and R. C. Nelson, "Evaluation of the Salinity Gradient Concept in Surfactant Flooding", Soc. Pet. Eng. J. (June 1983), 486-500.
16. M. J. Tham, R. C. Nelson, and G. J. Hirasaki, "Study of the Oil Wedge Phenomena Through the Use of a Chemical Flood Simulator", Soc. Pet. Eng. J. (Oct. 1983), 746-758.
17. G. J. Hirasaki and J. B. Lawson, "Mechanisms of Foam Flow in Porous Media: Apparent Viscosity in Smooth Capillaries", Soc. Pet. Eng. J. (April 1985), 176-190.
18. G. J. Hirasaki and J. B. Lawson, "An Electrostatic Approach to the Association of Sodium and Calcium with Surfactant Micelles", SPE RE (March 1986), 119-130.
19. A. H. Falls, J. B. Lawson, G. J. Hirasaki, "The Role of Noncondensable Gas in Steam Foams", J. Pet. Tech. (Jan. 1988), 95-104.
20. A. H. Falls, G. J. Hirasaki, T. W. Patzek, P. A. Gauglitz, D. D. Miller, and J. Ratulowski, "Development of a Mechanistic Foam Simulator: The Population Balance and Generation by Snap-Off", SPE RE (Aug. 1988), 884-892.
21. Z. I. Khatib, G. J. Hirasaki, and A. H. Falls, "Effects of Capillary Pressure on Coalescence and Phase Mobilities in Foams Flowing Through Porous Media", SPE RE (Aug. 1988), 919-926.
22. G. J. Hirasaki, "The Steam-Foam Process", J. Pet. Tech. (May 1989), 449-456.
23. G. J. Hirasaki, D. J. O'Merea, and J. A. Rohan, "Centrifuge Measurements of Capillary Pressure: Part 2 - Cavitation", SPE 18592, paper presented at the 63rd Annual Technical Conference of SPE, Houston, TX, Oct. 2-5, 1988.
24. G. J. Hirasaki, J. A. Rohan, and S. T. Dubey, "Wettability Evaluation During Restored-State Core Analysis", SPE 20506, paper presented at the 65th Annual Technical Conference of SPE, New Orleans, LA, Sept. 23-26, 1990.
25. G. J. Hirasaki, "Thermodynamics of Thin Films and Three-Phase Contact Regions" in Interfacial Phenomena in Oil Recovery, N. R. Morrow, ed. (1991), Marcel Dekker, Inc., 23-76
26. G. J. Hirasaki, "Shape of the Meniscus/Film Transition Region" in Interfacial Phenomena in Oil Recovery, N. R. Morrow, ed. (1991), Marcel Dekker, Inc., 77-99.
27. G. J. Hirasaki, "Wettability: Fundamentals and Surface Forces", SPE Formation Evaluation, (June 1991), 217-226.
28. D. J. O'Meara Jr., G. J. Hirasaki, and J. A. Rohan, "Centrifuge Measurements of Capillary Pressure: Part 1 - Outflow Boundary Condition", SPE Reservoir Engineering (Feb. 1992), 133-142.
29. G. J. Hirasaki, J. A. Rohan, and J. W. Dudley II, "Modification of Centrifuge and Software for Determination of Relative Permeability Curves", SPE 25290.
30. J.-L. Joye, C. A. Miller, and G. J. Hirasaki, "Dimple Formation and Behavior during Axisymmetrical Foam Film Drainage", Langmuir, Vol. 8, No. 12 (Dec. 1992), 3083-3092.
31. G. J. Hirasaki, "Structural Interactions in the Wetting and Spreading of van der Waals Fluids", J. Adhesion Science and Technology, Vol. 7, No. 3 (1993), 285-322, and in Contact Angle, Wettability and Adhesion, K. L. Mittal, ed., VSP, Utrecht, The Nederlands, (1993), 183-220.
32. J.-L. Joye, G. J. Hirasaki, and C. A. Miller, "Asymmetric Drainage of Foam Films," Langmuir, Vol. 10, No. 9 (Sept. 1994), 3174-3179.
33. G. J. Hirasaki, J. A. Rohan, and J. W. Dudley II, "Interpretation of Oil/Water Relative Permeabilities from Centrifuge Displacement", SPE Advanced Technology Series, Vol. 3, No. 1, March 1995.
34. G.J. Hirasaki, "Dependence of Waterflood Remaining Oil Saturation on Relative Permeability, Capillary Pressure, and Reservoir Parameters in Mixed-Wet Turbidite Sands," SPE Reservoir Engineering, Vol. 11, No. 2 (May 1996) 87-91.
35. J.-L. Joye, G. J. Hirasaki, and C. A. Miller, "Numerical Simulation of Instability Causing Asymmetric Drainage in Foam Films," J.C.I.S., Vol. 177, (1996), 542-552.
36. Singh, G., Hirasaki, G.J., and Miller, C.A., "Effect of Material Properties on the Drainage of Symmetric Plane Parallel, Mobile Foam Films," J.C.I.S., Vol. 184, (1996), 92-105.
37. G. Singh, C. A. Miller, and G.J. Hirasaki, "On Dimple Formation in Foam Films," J.C.I.S., Vol. 187, (1997), 334-337.
38. G. J. Hirasaki, C.A. Miller, R. Szafranski, J.B. Lawson, N. Akiya, "Surfactant/Foam Process for Aquifer Remediation," SPE 3757, paper prepared for the 1997 SPE International Symposium on Oilfield Chemistry, Houston, TX, 18-21 February 1997.
39. G. J. Hirasaki, C. A. Miller, R. Szafranski, D. Tanzil, J. B. Lawson, H. Meinardus, M. Jin, J. T. Londergan, R. E. Jackson, G. A. pope, and W. H. Wade: "Field Demonstration of the Surfactant/Foam Process for Aquifer Remediation," SPE 39292, paper prepared for presentation at the 1997 Annual Technical Conference and Exhibition in San Antonio, TX, 5-8 October 1997.
40. Singh, G., Hirasaki, G.J., and Miller, C.A., "Dynamics of Foam Films in Constricted Pores," A.I.Ch.E.J., Vol. 43, No. 12, (1997) 3241-3252.
41. J.S. Buckley, G.J. Hirasaki, Y. Liu, S. Von Drasek, J-X. Wang, and B.S. Gill, "Asphaltene Precipitation and Solvent Properties of Crude Oils," Petroleum Science and Technology, Vol. 16, Numbers 3&4 (1998) pp 251-285.
42. D.T.-K. Pham and G. J. Hirasaki, "Wettability/spreading of alkanes at the water-gas interface at elevated temperatures and pressures," J. Pet. Sci. Eng., Vol. 20 (1998) 239-246.
43. R. Szafranski, J. B. Lawson, G. J. Hirasaki, C. A. Miller, N. Akiya, S. King, R. E. Jackson, H. Meinardus, J. Londergan, "Surfactant/foam process for improved efficiency of aquifer remediation," Prog. Colloid Polym. Sci. (1998) 111:162-167.
44. S.-W. Lo, G. J. Hirasaki. R. Kobayashi, W. V. House, "Relaxation Time and Diffusion Measurements of Methane and n-Decane Mixtures," The Log Analyst, Nov.-Dec. (1998) 43-47.
45. W. T. Godbey, K. K. Wu, G. J. Hirasaki, and A. G. Mikos, "Improved packing of poly(ethyenimide)/DNA complexes increases transfection efficiency," Gene Therapy, (1999) 6, 1380-1388.
46. F.J. Condi, C.A. Zelt, D.S. Sawyer, and G.J. Hirasaki, "Gravity inversion for rifted margin deep structure using entension and isostatic constraints," Geophys. J. Int. (1999) 138, 435-446.
47. S.-Y. Yang, G.J. Hirasaki, S. Basu, and R. Vaidya, "Mechanisms for contact angle hysteresis and advancing contact angles," Petroleum Sci. & Eng., 24 (1999) 63-73.
48. G. Q. Zhang, C.-C. Huang, G. J. Hirasaki, "Interpretation of Wettability in Sandstones with NMR Analysis," Petrophysics, (2000), 41, No. 3, 223-233.
49. G. J. Hirasaki, R. E. Jackson, M. Jin, J. B. Lawson, J. Londergan, H. Meinardus, C. A. Miller, G. A. Pope, R. Szafranski, and D. Tanzil, "Field Demonstration of the Surfactant/Foam Process for Remediation of a Heterogeneous Aquifer Contaminated with DNAPL," NAPL Removal: Surfactants, Foams, and Microemulsions, S. Fiorenza, C. A. Miller, C. L. Oubre, and C. H. Ward, ed., Lewis Publishers (2000)
50. G. Q. Zhang, G. J. Hirasaki, and W. V. House, "Effect of Internal Field Gradients on NMR Measurements," Petrophysics, 42, No. 1 , 37-47. (Jan.-Feb. 2001)
51. R. Freedman, S.-W. Lo, M. Flaum, G.J. Hirasaki, A. Matteson, and A. Sezginer, "A New NMR Method of Fluid Characterization in Reservoir Rocks: Experimental Confirmation and Simulation Results," SPEJ 452-464. (December, 2001)
52. H.W. Meinardus, V. Dwarakanath, J. Ewing, G.J. Hirasaki, R.E. Jackson, M. Jin, J.S. Ginn, J.T. Londergan, C.A. Miller, G.A.Pope, "Performance assessment of NAPL remediation in heterogeneous alluvium," J. Contaminent Hydrology, 54 173-193. (2002)
53. S.-W. Lo, G.J. Hirasaki, W.V. House, and R. Kobayashi, "Mixing Rules and Correlations of NMR Relaxation Time with Viscosity, Diffusivity, and Gas/Oil Ratio of Methane/Hydrocarbon Mixtures," SPEJ, , 24-34. (March,2002)
54. D. Tanzil, G.J. Hirasaki, and C.A. Miller, "Mobility of Foam in Heterogeneous Media: Flow Parallel and Perpendicular to Stratification," SPEJ, 203-212 (June 2002).
55. Y. Zhang, G. J. Hirasaki, W., V. House, and R. Kobayashi, "Oil And Gas NMR Properties: The Light And Heavy Ends," SPWLA 43rd Annual Logging Symposium, Oiso, Japan, June 2-5, 2002.
56. S.-Y. Yang, G.J. Hirasaki, S. Basu, R. Vaidya, ãStatistical analysis on parameters that affect wetting for the crude oil/brine/mica system,ä J. Pet. Sci., Eng ., 33 (2002) 203-215.
57. G. J. Hirasaki and S.-Y. Yang, ãDynamic contact line with disjoining pressure, large capillary numbers, large angles and pre-wetted, precursor or entrained films,ä Contact Angle, Wettability and Adhesion , Vol. 2 , K.L Mittal, ed., VSP, Boston (2002), 347-376.
58. G. J. Hirasaki, S.-W. Lo, Y. Zhang, ãNMR Properties of petroleum reservoir fluids,ä Magn. Reson. Imaging , 21 (2003), 269-277.
59. M. D. Hurlimann, M. Flaum, L. Venkataramanan, C. Flaum, R. Freedman, G. J. Hirasaki, ãDiffusion-relaxation distribution functions of sedimentary rocks in different saturation states,ä Magn. Reson. Imaging , 21 (2003), 305-310.
60. G. Q. Zhang and G. J. Hirasaki, ãCPMG relaxation by diffusion with constant magnetic field gradient in a restricted geometry: numerical simulation and application,ä J. Magn. Reson ., 163 (2003) 81-91.
61. P. David Ting, George J. Hirasaki, and Walter G. Chapman, "Modeling of Asphaltene Phase Behavior with the SAFT Equation of State," Petroleum Science And Technology , Vol. 21, Nos. 3 & 4, pp. 647ö661, 2003.
62. A. Pena and G. J. Hirasaki, ã Enhanced characterization of oilfield emulsions via NMR diffusion and transverse relaxation experiments,ä Adv. Colloid & Interfacial Sci . , 105 (2003) 103-150.
63. R. Freeman, N. Heaton, M. Flaum, G.J. Hirasaki, C. Flaum, and M. Hurlimann, “Wettability, Saturation, and Viscosity from NMR Measurements,” SPEJ Vol. 8, No. 4 (December 2003) 317-327.
64. G.Q. Zhang, G.J. Hirasaki, W.V. House, “Internal Field Gradients in Porous Media,” Petrophysics, Vol. 44, No. 6 (Nov.-Dec. 2003) 422-434.
65. G. Hirasaki and D.L. Zhang, “Surface Chemistry of Oil Recovery from Fractured, Oil-Wet, Carbonate Formations,” SPEJ (June 2004) 151-162.
66. I. Hidajat, K.K. Mohanty, M. Flaum, and G. Hirasaki, “Study of Vuggy Carbonates Using NMR and X-Ray CT Scanning,” SPE RE&E, (October 2004), 365-377.
67. A. A. Pena, G. J. Hirasaki, and C. A. Miller, “Chemically Induced Destabilization of Water-in-Crude Oil Emulsions” IECR (March 2, 2005)
68. M. Flaum, J. Chen, and G. J. Hirasaki, “NMR Diffusion Editing for D-T2 Maps: Application to Recognition of Wettability Change,” Petrophysics, Vol. 46, No. 2 (April 2005), 113-123.
69. Doris L. Gonzalez, P. David Ting, George J. Hirasaki, and Walter G. Chapman, “Prediction of Asphaltene Instability under Gas Injection with the PC-SAFT Equation of State,” Energy & Fuels (2005) 19, 1230-1234.
70. G. J. Hirasaki, “NMR Applications in Peteroleum Reservoir Studies,” in NMR Imaging in Chemical Engineering, S. Stapf and S.-I. Han, Wiley-VCH (2006), 321-340.
71. W. Yan, C. A. Miller, G. J. Hirasaki, “Foam sweep in fractures for enhanced oil recovery, ” Colloids & Surfaces A: Physico. Eng. Aspects, 282-283 (2006) 348-359.
72. J. Chen, G.J. Hirasaki, M. Flaum, “NMR wettability indices: Effect of OBM on wettability and NMR responses, ” J. Pet. Sci. & Eng., 52 (2006) 161-171.
73. D.L. Zhang, S. Liu, M. Puerto, C.A. Miller, G.J. Hirasaki, “Wettability alteration and spontaneous imbibition in oil-wet carbonate formations,” J. Pet Sci. & Eng. 52 (2006) 213-226.
74. A.A. Pena and G.J. Hirasaki, “NMR Characterization of Emulsions,” in Emulsions and Emulsion Stability, J. Sjoblom, ed., (2006), Taylor & Francis, 283-309.
75. P. D. Ting, D. L. Gonzalez, G.J. Hirasaki, W.G. Chapman, “Application of the PC-SAFT Equation of State to Asphaltenes Phase Behavior,” in Asphaltenes, Heavy Oil, and Petroleomics, O.C. Mullins, E. Y. Sheu, A. Hammami, A. G. Marshall, ed., (2007) Springer, 301-327.
76. M. Jin, G.J. Hirasaki, R.E. Jackson, K. Kostarelos, and G. Pope, “Control of downward migration of dense nonaqueous phase liquid during surfactant flooding by design simulations,” Water Resources Research, 43 (2007) W01412.
77. V. Anand and G.J. Hirasaki, “Diffusional Coupling between Micro and Macroporosity for NMR Relaxation in Sandstones and Grainstones,” Petrophysics, 48.4 (2007) 289-307.

PATENTS

1. R. E. Dilgren, G. J. Hirasaki, H. J. Hill, and D. G. Whitten, "Steam - Channel - Expanding Steam Foam Drive", US # 4,086,964, (May, 1978).
2. R. E. Dilgren, H. C. Lau, and G. J. Hirasaki, "Reservoir Preflushing Process for Increasing the Rate of Surfactant Transport in Displacing Oil with Injected Steam and Steam-Foaming Surfactant", US # 4,597,442, (July, 1986).
3. A. H. Falls, J. B. Lawson, and G. J. Hirasaki, "Process for Optimizing [Athe Noncondensible Gas Content of an Oil-Displacing Steam-Foam-Forming Mixture", US # 4,570,711, (Feb. 1986).

PRESENTATIONS

1. "Synthesis of Theme No. 2, Wetting and Adhesion", First World Congress on Emulsions, 19-22 October, 1993, Paris.
   
2. "Wettability and Pore Fluid Distribution" 56th Meeting of European Association of Exploration Geophysicists and European Association of Petroleum Geoscientists & Engineers, 6-10 June, 1994, Vienna.
   
3. "Asymmetric Drainage of Foam Films", 68th ACS Colloid and Science Symp., June 19-22, 1994, Stanford, CA.
   
4. "Spreading of Oil Between Water and Gas", 3rd International Symposium on Evaluation of Reservoir Wettability and Its Effect on Oil Recovery, September 21-23, 1994, Laramie.
   
5. "Asymmetric Drainage of Foam Films", AIChE 1994 annual meeting, November 13-18, 1994, San Fransisco, CA.
   
6. "Asymmetric Drainage of Foam Films", Material Research Society 1994 Fall Meeting, November 27-December 2, 1994, Boston.
   
7. "Asymmetric Drainage of Foam Films: Role of Surface Viscosity", 2nd International Workshop on Reservoir Application of Foam, 1-3 March, 1995, Roros, Norway.
   
8. "Dependence of Waterflood Oil Recovery on Relative Permeability, Capillary Pressure, and Reservoir Parameters in Mixed Wet Turbidite Sands," IKU Seminar, Hell, Norway, May 10-11, 1995.
   
9. "Dependence of Waterflood Oil Recovery on Relative Permeability, Capillary Pressure, and Reservoir Parameters in Mixed Wet Turbidite Sands," SPE Annual Fall Meeting, (Oct. 22-25, 1995), Dallas.
   
10. "Dependence of Waterflood Oil Recovery on Relative Permeability, Capillary Pressure, and Reservoir Parameters in Mixed Wet Turbidite Sands," SPE Gulf Coast Section, Houston, February 14, 1996.
    
11. "Hydrodynamics of Foam Film Thinning," Department of Chemical Engineering, Johns Hopkins University, February 15, 1996.
    
12. "Wettability/Spreading of Alkanes at the Water-Gas Interface at Elevated Temperatures and Pressures," The 4th International Symposium on Evaluation of Reservoir Wettability and its Effect on Oil Recovery, Montpellier, France, (September 11-13, 1996)
    
13. "Prediction of the Adsorption, Wetting, and Spreading of van der Waals Fluids," Chemical Engineering Department, Tulane University, January 17, 1997.
    
14. "Surfactant/Foam Process for Aquifer Remediation," SPE 3757, 1997 SPE International Symposium on Oilfield Chemistry, Houston, TX, 18-21 February 1997.
    
15. "Experiments for Gravity Dominated Displacement," Statoil seminar on Definition and Generation of Flow Parameter Domains and their Application in Reservoir Simulation, Trondheim, Norway, April 3-4, 1997.
    
16. "Estimation of T2 Distribution and Porosity," NMR Workshop of the Society of Core Analyst International Symposium, Calgary, September 8-10, 1997.
    
17. "Hydrodynamics and Rheology of Emulsion Coalescence," 2nd World Congress on Emulsions, Bordeaux, France, September 23-26, 1997.
    
18. "Field Demonstration of the Surfactant/Foam Process for Aquifer Remediation," Society of Petroleum Engineers 1997 ATCE, San Antonio, October 5-8, 1997 ;seminar at Department of Petroleum Engineering, University of Texas. November 3, 1997.
    
19. "Dynamics of Foam Films in Constricted Pores," AIChE 1997 Annual Meeting, Los Angles, November 16-21, 1997.
20. "Some Exceptions to Default NMR Rock and Fluid Properties" SPWLA Annual Meeting, Keystone, CO, May 25-28, 1998.
21. "Mechanisms for Contact Angle Hysteresis and Advancing Contact Angles," The 5th International Symposium on Evaluation of Reservoir Wettability and Its Effect on Oil Recovery, Trondheim, Norway, June, 1998.  
22. "Diffusion in Internal Field Gradients" Society of Core Analysts Annual Meeting, Den Haag, September 14-16, 1998.
23. "Mechanisms for Contact Angle Hysteresis and Advancing Contact Angles," SPE Gulf Coast Section, February 10, 1999.
24. "Some Exceptions to Default NMR Rock and Fluid Properties", seminar, Petroleum Engineering Department, Stanford University, February 23, 1999.
25. "A Field Demonstration of the Surfactant/Foam Aquifer Remediation Process," seminar at EPA Regional Office, San Fransisco, February 24, 1999.
26. "Correlation of Viscosity, Temperature, Diffusivity, Gas Oil Ratio and NMR Relaxation of Methane-Hydrocarbon Mixtures," Saga Petroleum, Horsk Hydro, Statoil, Rogland Research in June, 1999; presentations by S.-W. Lo to Exxon, Baker-Atlas, Schlumberger, Halliburton, Shell, Colorado School of Mines, NIST in summer 1999, AIChE in Nov. 1999.
27. "Interpretation of Wettability in Sandstones with NMR Analysis" presentation by G. Q. Zhang to the Society of Core Analyst, Golden, CO, August, 1999 and to Exxon, Shell, Schlumberger, Halliburton, and Baker-Atlas in summer 1999.
28. "Correlation of Viscosity, Temperature, Diffusivity, Gas Oil Ratio and NMR Relaxation of Methane-Hydrocarbon Mixtures," Saga Petroleum, Horsk Hydro, Statoil, Rogland Research in June, 1999; presentations by S.-W. Lo to Exxon, Baker-Atlas, Schlumberger, Halliburton, Shell, Colorado School of Mines, NIST in summer 1999, AIChE in Nov. 1999, presentation by G. J. Hirasaki at University of Maryland in January 2000 and Texas A&M in April 2000.
29. "Interpretation of Wettability in Sandstones with NMR Analysis" presentation by G. Q. Zhang to the Society of Core Analyst, Golden, CO, August, 1999 and to Exxon, Shell, Schlumberger, Halliburton, and Baker-Atlas in summer 1999.
30. "Interpretation of the dynamic contact line with disjoining pressure, large capillary numbers, large angles, and pre-wetted or entrained films," Wetting, From microscopic origins to industrial applications, Hyeres (France), May 6-12, 2000, Second International Symposium on Contact Angle, Wettability and Adhesion, June 19-21, 2000, Newark, NJ..
31. "Internal Field Gradients in Porous Media," poster presentation by Q. Zhang at the SPWLA 41st Annual Logging Symposium, Dallas, TX, June 4-7, 2000.
32. "Estimation of Rock and Fluid Properties by NMR Well Logging: Standard Interpretations and Research for Exceptional Cases," presentation at the Gordon Research Conference, August 6-11, Andover, NH.
33. "Statistical Analysis on Parameters that Affect Wetting for the Crude Oil/Brine/Mica System," S.-Y. Yang and, G. J. Hirasaki, Rice University, S. Basu and R. Vaidya, Mobil Oil Co, The 6th International Symposium on Evaluation of Reservoir Wettability and Its Effect on Oil Recovery; Socorro, New Mexico, U.S.A.; September 27-29, 2000
34. "Mobility of Foam in Heterogeneous Media: Flow Parallel and Perpendicular to Stratification," D. Tanzil, G. J. Hirasaki, and C. A. Miller, paper prepared for presentation at the 2000 SPE Annual Technical Conference and Exhibition, Dallas, Texas, 1-4 October 2000.
35. "Correlations of NMR Relaxation Time with Viscosity, Diffusivity, and Gas/Oil Ratio of Methane/Hydrocarbon Mixtures," S.-W. Lo, G. J. Hirasaki, W. V. House and R. Kobayashi, paper prepared for presentation at the 2000 SPE Annual Technical Conference and Exhibition, Dallas, Texas, 1-4 October 2000.
36. "A New NMR Method of Fluid Characterization in Reservoir Rocks: Experimental Confirmation and Simulation Results," R. Freedman, A. Sezginer, M. Flaum, A. Matteson, S. W. Lo, and G. J. Hirasaki, paper prepared for presentation at the 2000 SPE Annual Technical Conference and Exhibition, Dallas, Texas, 1-4 October 2000.
37. "Interpretation of Restricted Diffusion in Sandstones with Internal Field Gradients," M. Appel, J. J. Freedman, J. S. Gardner, G. J. Hirasaki, Q. G. Zhang, and J. L. Shafer, prepared for the Fifth International Meeting on Recent Advances in MR Applications, October 9-11, 2000, Bologna, Italy.
38. "NMR Relaxation Time and Diffusion Measurements of Pure Ethane and Propane," Y. Zhang, G. J. Hirasaki, W.V. House, and R. Kobayashi, presented at the AIChE 2001 Annual Meeting, Reno, NV, Nov. 4-9.
39. "Asphaltene Phase Behavior: Experiment and Modeling using the SAFT Equation of State," P.-L.D. Ting, W.G. Chapman, and G.J. Hirasaki, presented at the AIChE 2001 Annual Meeting, Reno, NV, Nov. 4-9.
40. "Asphaltene Phase Behavior: Experiment and Modeling using the SAFT Equation of State," AIChE 2001 Annual Meeting, Reno, NV (Nov. 4-9, 2001); 2002 Spring AIChE Meeting, New Orleans, LA (March 10-14, 2002) P. -L.D. Ting, W. G. Chapman, and G. J. Hirasaki.
41. "Combined NMR PGSE - CPMG technique to characterize water-in-oil emulsions, " Alejandro A. Pena and George J. Hirasaki, Prepared for presentation at the AIChE 2002 Spring National Meeting, News Orleans, LA, March 10-14
42. "Conditions for Foam Generation in Homogeneous Porous Media," SPE75176 prepared for the SPE/DOE 13th Symposium on Improved Oil Recovery, Tulsa, OK (April 13-17, 2002) D. Tanzil, G. J. Hirasaki, and C. A. Miller.
43. "Oil and Gas NMR Properties: The Light and Heavy Ends," Ying Zhang, George J. Hirasaki, Waylon, V. House, and Riki Kobayashi, Paper prepared for the SPWLA 43rd Annual Logging Symposium, Osio, Japan, June 2-5, 2002.
44. "NMR Fluid Properties of Reservoir Fluids," presentation at the 6th International Conference on Magnetic Resonance in Porous Media, Ulm, Germany, Sept. 8-12, 2002.
45. Surface Chemistry of Oil Recovery From Fractured, Oil-Wet, Carbonate Formation,ä George Hirasaki and Danhua Leslie Zhang, SPE 80989 prepared for presentation at the SPE International Symposium on Oilfield Chemistry held in Houston, Texas, U.S.A., 5ö8 February 2003.
46. Surfactant enhanced spontaneous imbibition into fractured, oil-wet carbonate formations,ä George J. Hirasaki, leslie, D. Zhang, Shunhua Li, 2003 Statoil Fractured Carbonate Reservoir Seminar, 17-19 September, 2003, Tronheim, Norway.
47. “Application of Foam for Aquifer Remediation,” ACS Award in Colloid and Surface Chemistry Symposium Honoring Clay Radke, New Orleans, LA (March 23-27, 2003).
48. “Dynamic contact line with disjoining pressure, large capillary numbers, large angles and pre-wetted, precursor or entrained films,” seminar to Department of Chemical Engineering, Yale University, September, 2003.
49. “Surfactant enhanced spontaneous imbibition into fractured, oil-wet carbonate formations,” George J. Hirasaki, Leslie, D. Zhang, Shunhua Li, 2003 Statoil Fractured Carbonate Reservoir Seminar, 17-19 September, 2003, Tronheim, Norway.
50. “Novel theory for the determination of drop size distribution via NMR-PGSE,” AIChE Annual Meeting, San Francisco, CA (Nov. 16-21, 2003).
51. “Study Of Wettability Alteration From NMR: Effect Of OBM On Wettability And NMR Responses,” J. Chen, G.J. Hirasaki, and M. Flaum, presented at the 8th International Symposium on Reservoir Wettability (May 16-18, 2004) Houston, TX.
52. “Wettability Alteration and Spontaneous Imbibition in Oil-Wet Carbonate Formations,” L. Zhang, S. Liu, M. Puerto, C.A. Miller, G.J. Hirasaki, presented at the 8th International Symposium on Reservoir Wettability (May 16-18, 2004) Houston, TX.
53. “Core And Log NMR Measurements Indicate Reservoir Rock Is Altered By OBM Filtrate,” J. Shafer, J. Chen, M. Flaum, G. Hirasaki, A. Boyd, C. Straley, T. Borbas, C. Devier, SPWLA 45th Annual Logging Symposium, Noordwijk, (June 6-9, 2004).
54. “NMR Diffusion Editing For D-T2 Maps: Application To Recognition Of Wettability Change,” M. Flaum, J. Chen, G.J. Hirasaki, SPWLA 45th Annual Logging Symposium, Noordwijk, (June 6-9, 2004) and Gordon Research Conference, Oxford, England (July, 2004).
55. “On The Mechanism Of Demulsification Of Oilfield Emulsions By Chemical Treatment,” A. Pena, C.A. Miller, G. J. Hirasaki, The 5th International Conference on Petroleum Phase Behavior & Fouling, Baniff, Alberta, (June 2004).
56. “Measuring Pore Connectivity by Pulsed Field Gradient Diffusion Editing with Hydrocarbon Gasses,” M. Flaum and G.J. Hirasaki, 7th Magnetic Resonance Imaging in Porous Media, Paris (June 2004)
57. “Wettability Alteration and Spontaneous Imbibition in Fractured, Oil-Wet Carbonate Formations,” L. Zhang, S. Liu, M. Puerto, C.A. Miller, G.J. Hirasaki, seminar to University of Kansas (September 2004)
58. “NMR Analysis for Pore Structure and Fluid Distribution,” J. Chen, M. Flaum, G.J. Hirasaki, seminar to University of Texas (October 2004).
59. “Foam for Controlling Water Production,” V. Bhide, C.A. Miller, G.J. Hirasaki, M. Puerto, L. Norman, 2005 SPE International Symposium on Oilfield Chemistry, Houston TX (2-4 February, 2005).
60. V. Anand and G. J. Hirasaki, “Diffusional Coupling Between Micro And Macroporosity For NMR Relaxation In Sandstones And Grainstones,” SPWLA 46th Annual Logging Symposium, New Orleans (26-29 June 2005).
61. A. Kurup and G. J. Hirasaki, “Effect Of Drilling-Mud Base-Oil Contamination On Crude Oil T2 Distributions, ”SPWLA 46th Annual Logging Symposium, New Orleans (26-29 June 2005).
62. “Favorable Aspects of Alkali-Surfactant Flooding,” G.J. Hirasaki, SPE ATW on Chemical Flooding, Daqing, China, (24-29 September 2005).
63. “NMR Properties of Petroleum Reservoir Fluids,” G.J. Hirasaki, SPE ATW on NMR Petrophysics Beyond Theory: No Spins, Marrakech, Morocco (13-16 November 2005).
64. “Wettability Alterations in Fractured Carbonate Formations,” SPE ATW on Naturally Fractured Formations, Houston, TX (26-27 January 2006).
65. Danhua Leslie Zhang, Shunhua Liu, Wei Yan, Maura Puerto, George J. Hirasaki, Clarence A. Miller, “Favorable Attributes Of Alkali-Surfactant-Polymer Flooding,” SPE 99744, paper presented at the 2006 Symposium on Improved Oil Recovery, April 26-29, 2006, Tulsa, OK.
66. Busheng Li, George J. Hirasaki, and Clarence A. Miller, “Upscaling of Foam Mobility Control to Three Dimension,” SPE 99719 paper presented at the 2006 Symposium on Improved Oil Recovery, April 26-29, 2006, Tulsa, OK.
67. G. J. Hirasaki, M. Fleury, C.A. Miller, T. Jiang, and K. Moran, “Characterization of Diluted Bitumen Emulsions,” International Conference on Hydrocarbon Phase Behavior and Fouling, Ashville, NC, June 26-30, 2006.
68. G. J. Hirasaki, M. Fleury, C.A. Miller, T. Jiang, and K. Moran, “Emulsion Stability and Coalescence by NMR Diffusion and Profile Measurements,” Oil Sands 2006, Edmonton, Canada, Feb. 22-24, 2006.
69. G. J. Hirasaki, M. Fleury, C.A. Miller, T. Jiang, and K. Moran, “Wettability Alteration in Solid Stabilized Emulsions,” 9th International Symposium on Reservoir Wettability and its Effect on Oil Recovery, Burgen, Norway, September 18-19, 2006.
70. G. J. Hirasaki, M. Fleury, C.A. Miller, T. Jiang, and K. Moran,, “Emulsion Stability and Coalescence by NMR Diffusion and Profile Measurements,” World Emulsion Congress, Leyon, France, October 3-6, 2006.
71. V. Anand, G. J. Hirasaki, M. Fleury, “NMR Diffusional Coupling: Effect of Temperature and Clay Distribution,” Society of Core Analysts Annual Meeting, Trondheim, Norway, Sept. 11-14, 2006.
72. G. Bhatnager, G.J. Hirasaki, W.G. Chapman, G. Dickins, B. Dugan, “Scaling of Thermodynamic and Transport Processes for Predicting Methane Hydrate Distributions in Marine Sediments Worldwide,” AOGS 2006, Singapore, July 10-14, 2006; SPE AETC, San Antonio, TX, September 24-27, 2006; American Geophysical Union, Sanfrancisco, December, 2006.
73. “Favorable Attributes Of Alkali-Surfactant-Polymer Flooding,” & “Upscaling of Foam Mobility Control to Three Dimension,” in Best of Tulsa session of EAGE 14th European Symposium on Improved Oil Recovery, Cairo, Egypt, 22-24 April 2007.
74. G. Bhatnager, W. Chapman, G. Dickens, B. Dugan, and G.J. Hirasaki, “Methane Hydrate Saturation in Marine Sediment: Basic Relationships to Methane Flux and Depth of the Sulfate-Methane Transition,” AGU Joint Assembly, Acapulco, Mexico, 22-25 May 2007.
75. V. Anand and G.J. Hirasaki, “Paramagnetic Relaxation in Sandstones: “Distinguishing T1 and T2 Dependence on Surface Relaxation, Internal Gradients, and Echo Spacing,” SPWLA 48th Annual Logging Symposium, Austin, Texas, June 3-6, 2007.

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