CRAFT & HAWKINS DEPARTMENT OF PETROLEUM ENGINEERING
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Rao

Dandina N. Rao, Ph.D., P.E.
Emmett C. Wells Jr. Distinguished Professor
Associate Professor
Craft & Hawkins Department of Petroleum Engineering
Louisiana State University
Patrick F. Taylor Hall, Room 3520A
Baton Rouge, LA 70803
Phone: 225-578-6037 / Fax: 225-578-6039
E-Mail: dnrao@lsu.edu

Background
  • August 2004-Present: Associate Professor.
  • January 1999 - August 2004 - Assistant Professor - Department of Petroleum Engineering, Louisiana State University, Baton Rouge, LA.
  • January 1998 - December 1998 - Principal Petroleum Engineer, TRW/BDM Petroleum Technologies, Bartlesville, OK.
  • April 1997 - December 1997 - Staff Engineer, HydroFlame Engineering Consultants, Calgary, Alberta, Canada.
  • June 1986 - March 199y - Petroleum Recovery Institute, Calgary, Alberta, Canada
  • January 1986 - June 1986 - Research Engineer, Shell Canada Ltd., Calgary, Alberta, Canada
  • April 1984 - December 1985 - Senior Engineer, Budra Research Ltd., Calgary, Alberta, Canada.
  • July 1983 - March 84:  Research Associate, Chemical & Petroleum Engineering, The University of Calgary.
  • June 1983 - Ph.D. in Chemical and Petroleum Engineering, The University of Calgary.
  • September 1978 - April 1984 - Instructor - Chemical & Petroleum Engineering, University of Calgary, Calgary, Alberta, Canada.
  • May 1977 - M.S. in Chemical Engineering, University of Saskatchewan.
  • April 1974 - B. Tech. (Honors with Distinction): Chemical Engineering, Osmania University, India.

Research Interests
  • Reservoir Engineering
    • Characterization of reservoir wettability at subsurface conditions
    • Measurements of dynamic contact angles and gas-oil, oil-brine, and brine-gas interfacial tensions at elevated pressures and temperatures
    • Spreading, adhesion and stability of wetting films in reservoir rock-fluids systems
    • Applicability of Zisman-spreading, critical spreading tension and line-tension concepts in solid-liquid-liquid-gas systems
    • Correlation of wettability with relative permeability measurements
  • Enhanced Oil Recovery
    • Development of Gas-Assisted Gravity Drainage (GAGD) process
    • Demonstration of the GAGD process in a Louisiana oil field
    • Development of Nitrogen-GAGD process for offshore oil fields
    • Enhancement of oil recovery by reservoir wettability alteration
    • Relative permeability effects in chemicals floods
    • Flue gas/CO2-GAGD for heavy oil recovery
    • Field demonstration of HydroFlame technology for efficient heavy oil recovery
    • Further development of the Vanishing Interfacial Tension (VIT) technique for gas-oil miscibility determination
Publications in refereed journals:  
  1. Ayirala, S.C., and Rao, D.N., "Miscibility Determination from Gas-Oil Interfacial Tension and P-R Equation of State", The Canadian Journal of Chemical Engineering, 85, 3, June 2007, pp. 302 - 312.
  2. Rao, D.N. and Ayirala, S.C.: “Comments on “An Analysis of the Vanishing Interfacial Tension Technique for Determination of Minimum Miscibility Pressure” by F.M. Orr and  K. Jessen, Fluid Phase Equilibria, 255 (2007) 99-109,” Fluid Phase Equilibria, 259 (2007) 235-237.
  3. Rao, D.N., and Busireddy, C., “Development of a model for thin-film stability and spreading in solid-liquid-liquid systems", Journal of Adhesion Science and Technology, in press, January 2007.
  4.  Rao, D.N., and Ayirala, S.C., “Author’s Response to the Comments on A New Mechanistic Parachor Model to Predict Dynamic Interfacial Tension and Miscibility in Multicomponent Hydrocarbon Systems by F.M. Orr and K.Jessen,” Journal of Colloids and Interface Science, 307, 559-562, 2007.  
  5. Ayirala, S.C., and Rao, D.N., “A New Mechanistic Parachor Model to Predict Dynamic Interfacial Tension and Miscibility in Multicomponent Hydrocarbon Systems”, Journal of Colloids and Interface Science, Vol. 299, pp. 321-331, 2006.
  6.  Ayirala, S.C. and Rao, D.N.: “Surfactant-Induced Modifications in Interfacial and Surface Forces and Multiphase Flow Dynamics in Porous Media,” Contact Angle, Wettability and Adhesion, Vol.4, Ed. K.L. Mittal, 2006.
  7.   Ayirala, S.C., and Rao, D.N., "Solubility, Miscibility and their Relation to Interfacial Tension in Ternary Liquid Systems", Fluid Phase Equilibria Journal, 249 (2006), pp 82-91.
  8. Ayirala, S.C., and Rao, D.N., “Enhancement of Oil Recovery by Surfactant-Induced Wettability Alteration" Saudi Aramco Journal of Technology,spring 2006, pp. 38-44. 
  9. Xu, W., Ayirala, S.C., and Rao, D.N., "Wettability Alterations Due to Crude Oil Composition and an Anionic Surfactant in Petroleum Reservoirs", Journal of Adhesion Science and Technology, Vol. 20, No.7, pp. 693-704, 2006.
  10. Ayirala, S.C., and Rao, D.N., "The Multiple Roles of Interfacial Tension in Fluid Phase Equilibria and Fluid-Solid Interactions", Journal of Adhesion Science and Technology, Vol. 20, No.2-3, pp. 125-142, 2006.
  11. Ayirala, S.C., Vijapurapu, C. S., and Rao, D.N., “Beneficial Effects of Wettability Altering Surfactants in Oil-Wet Fractured Reservoirs", Journal of Petroleum Science and Engineering, Vol. 52, pp. 261-274, March 2006.
  12. Xu, W., Ayirala, S.C., and Rao, D.N., "Compositional Dependence of Wetting and Contact Angles in Solid-Liquid-Liquid Systems under Realistic Environments", The Canadian Journal of Chemical Engineering, 84, February 2006, pp. 44-51.
  13. Xu, W., Ayirala, S.C., and Rao, D.N., "Interfacial Behavior of Complex Hydrocarbon Fluids at Elevated Pressures and Temperatures", The Canadian Journal of Chemical Engineering, 84, February 2006, pp. 22-32.
  14. Ayirala, S.C. and Rao, D.N.: “Dew Point Pressure Prediction of Gas Condensate Reservoirs,” Oil Asia Journal, September-October 2005.
  15. Kulkarni, M.M., and Rao, D.N., “Experimental Investigation of Miscible and Immiscible Water-Alternating-Gas (WAG) Process Performance", Journal of Petroleum Science and Engineering, 48 (2005), pp 1-20.
  16. Ayirala, S.C., and Rao, D.N., "Application of the Parachor Model to the Prediction of Miscibility in Multi-Component Hydrocarbon Systems", Journal of Physics: Condensed Matter, 16, S2177-S2186, 2004.
  17. Vijapurapu, C. S., and Rao, D. N., “Compositional Effects of Fluids on Spreading, Adhesion and Wettability in Porous Media”, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 24, 335-342, 2004.
  18. Ayirala, S.C., and Rao, D.N., “Multiphase Flow and Wettability Effects of Surfactants in Porous Media”, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 241, pp. 313-322, 2004.
  19. Rao, D.N., “The Concept, Characterization, Concerns and Consequences of Contact Angles in Solid-Liquid-Liquid Systems”, Invited Paper, reviewed and published in ‘Contact Angle, Wettability and Adhesion’, Vol. 3 (Ed. K.L. Mittal), pp. 191-210, VSP International Science Publishers, 2003.
  20. Vijapurapu, C.S., and Rao, D.N., “The Effect of Rock Surface Characteristics on Reservoir Wettability”, Paper reviewed, revised and published in ‘Contact Angle, Wettability and Adhesion’, Vol. 3 (Ed. K.L. Mittal), VSP International Science Publishers, pp. 407-426, 2003. 
  21. Muhammad, Z., and Rao, D.N., "Determination of Dynamic Contact Angles in Solid-Liquid-Liquid Systems Using the Wilhelmy Plate Technique," Journal of Adhesion Science and Technology, Vol. 17, No.9, pp. 1187-1206, 2003.
  22. Rao, D.N., and Lee, J. I., “Determination of Gas-Oil Miscibility Conditions by Interfacial Tension Measurements”, Journal of Colloids and Interface Science, Vol. 262, pp. 474-482, 2003.
  23. Rao, D.N., and Lee, J.I., “Application of the New Vanishing Interfacial Tension Technique to Evaluate Miscibility Conditions for the Terra Nova Offshore Project", Journal of Petroleum Science and Engineering, Vol. 35, Issues 3-4, pp. 247-262, August 2002.
  24. Rao, D.N. "Measurement of Dynamic Contact Angles in Solid-Liquid-Liquid Systems at Elevated Pressures and Temperatures", Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 206, Nos. 1-3, pp. 203-216, July 2002.
  25. Rao, D.N., "Correlation of Oil-Water Flow Behaviour in Reservoir Rocks with Dynamic Contact Angles", Journal of Canadian Petroleum Technology, 41, 7, pp. 31-38, July 2002.
  26. Rao, D.N. and Girard, M.G., "Induced Multiphase Flow Behaviour Effects in Gas Injection EOR Projects", Journal of Canadian Petroleum Technology, 41, 7, PP. 53-60, July 2002.
  27. Rao, D.N., and Karyampudi, R.S., "Application of the Dual-Drop Dual-Crystal Contact Angle Technique to Characterize Heavy Oil Reservoir Wettability", Journal of Adhesion Science and Technology, Vol. 16, No.5, pp. 579-596, May 2002.
  28. Rao, D.N., "Fluid-Fluid and Solid-Fluid Interfacial Interactions in Petroleum Reservoirs", Petroleum Science and Technology, Vol. 19, Issues 1-2, pp. 157-188, March 2001.
  29. Rao, D.N., "Gas Injection EOR- A New Meaning in the New Millennium" Invited Article for the Distinguished Author Series, Journal of Canadian Petroleum Technology, Vol. 40, No.2, pp. 11-18, February 2001.
  30. Rao, D.N., and Karyampudi, R.S., "Productivity Enhancing Wettability Control Technology for Cyclic Steam Process in the Elk Point Cummings Formation", Journal of Canadian Petroleum Technology, Vol. 38, No.13, p. 53, December 1999.
  31. Rao, D.N., McIntyre, F.J., and Fong, D.K., "Application of a New Technique to Optimize Injection Gas Composition for the Rainbow Keg River 'F' Pool Miscible Flood", Journal of Canadian Petroleum Technology, Vol. 38, No.13, p. 45, December 1999.
  32. Rao, D.N., “Wettability Effects in Thermal Recovery Operations”, SPE Reservoir Evaluation and Engineering, 2 (5), pp. 420-430, October 1999.
  33. Rao, D.N., "A New Technique of Vanishing Interfacial Tension for Miscibility Determination", Fluids Phase Equilibria, An International Journal, 139, pp. 311-324, 1997.
  34. Rao, D.N. and Girard, M.G., "A New Technique for Reservoir Wettability Characterization", Journal of Canadian Petroleum Technology, pp. 31-39, January 1996.
  35.  Rao, D.N., Girard, M. and Sayegh, S.G., "The Influence of Reservoir Wettability on Waterflood and Miscible Flood Performance", Journal of Canadian Petroleum Technology, pp. 47-55, June 1992.
  36.  Rao, D.N., Girard, M., and Sayegh, S.G., "Impact of Miscible Flooding on Wettability, Relative Permeability, and Oil Recovery", SPE Reservoir Engineering, pp. 204-212, May 1992.
  37.  Sayegh, S.G., Rao, D.N., Kokal, S.L., and Najman, J., "Phase Behavior and Physical Properties of Lindbergh Heavy Oil/CO2 Mixtures", Journal of Canadian Petroleum Technology, pp. 31-39, November-December 1990.
  38. Rao, D.N., Mohtadi, M.F., and Hastaoglu, M.A., "Direct Contact Heat Transfer - A Better Way to High Efficiency and Compactness", The Canadian Journal of Chemical Engineering, 62, June 1984, pp. 319-325.
  39. Rao, D.N., Bakshi, N.N., and Macdonald, D.G., "Colour Removal from Pulp Mill Effluent Using Fly-Ash Acidified With Chlorination Stage Effluent", Transactions of the Technical Section, Canadian Pulp and Paper Association, 4 (3), pp. TR77-82, September 1978.

Papers under peer-review for Journal Publication

  1. Ayirala, S.C. and Rao, D.N.: “Comparative Evaluation of a New Gas-Oil Miscibility Determination Technique,” Manuscript under Review for Publication in Fluid Phase Equilibria, 2007.
  2. Xu, W, Ayirala, S.C. and Rao, D.N.: “Measurement of Surfactant-Induced Interfacial Interactions at Reservoir Conditions,” Manuscript under Review for Publication in SPE Reservoir Evaluation and Engineering Journal, 2007.
  3. Rao, D.N. and Ayirala, S.C.: “Mechanistic Modeling of Dynamic Vapor-Liquid Interfacial Tension in Complex Petroleum Fluids,” Reviewed and accepted for Publication in Contact Angle, Wettability and Adhesion, Vol. 5, Ed. K.L. Mittal, 2007.
  4. Rao, D.N., Ayirala, S.C., Abe, A.A. and Xu, W.: “Impact of Low Cost Dilute Surfactants on Wettability and Relative Permeability,” Manuscript under Review for Publication in SPE Reservoir Evaluation and Engineering Journal, 2007.
Papers presented in conferences and/or published in proceedings:
  1. Mahmoud, T.N., and Rao, D.N.: “Mechanisms and Performance Demonstration of the Gas-Assisted Gravity-Drainage Process Using Visual Models” SPE 110132, Society of Petroleum Engineers’ ATCE, Anaheim, California, November 11-14, 2007.
  2. Paidin, W.R., and Rao, D.N.: “Physical model experiments to evaluate the effect of wettability and fractures on the performance of the gas assisted gravity drainage (GAGD) process”, Paper reviewed and accepted for proceedings of the Society of Core Analysts 21st Symposium, Calgary, Canada, Sep 10-13, 2007.
  3. Rao, D.N.: "Correlation of receding contact angle with interfacial tension in crude oil-brine-rock systems", Presented at the American Chemical Society (ACS) National Meeting, Boston, Aug 19-23, 2007.
  4. Rao, D.N., and Saini, D.: "Applicability of the modified Young’s equation involving line tension to solid-liquid-liquid systems", Presented at the American Chemical Society (ACS) National Meeting, Boston, Aug 19-23, 2007.
  5. Rao, D.N.: “Oil Recovery Enhancement through Surfactant-Induced Wettability Alteration”, Presented at the Enhanced Recovery – 2007 Forum, Houston, TX, Aug 9, 2007.
  6. Rao, D.N.: “Enhanced Oil Recovery by Gas-Assisted Gravity Drainage (GAGD)”, Presented at the Enhanced Recovery – 2007 Forum, Houston, TX, Aug 9, 2007.
  7. Kulkarni, M.M. and Rao, D.N.: "Analytical Modeling of the Forced Gravity Drainage GAGD Process", Paper prepared for presentation at the AIChE 2006 Annual Meeting, San Franciso, CA, Nov 12 –17, 2006.
  8. Kulkarni, M.M., and Rao, D.N.: “Characterization of Operative Mechanisms in Gravity Drainage Field Projects Through Dimensional Analysis.” SPE 103230, Society of Petroleum Engineers’ ATCE, San Antonio, TX, September 24-27, 2006.
  9. Rao, D.N, Ayirala, S.C., Kulkarni, M.M., T.N. Mahmoud, and W.R. Paidin.: “A New Gravity-Stable CO2 Injection Process for Enhancing Oil recovery from Depleted Reservoirs,” a half-a-day Workshop organized by Petroleum Technology Transfer Council (PPTC), Shreveport, September 13, 2006.
  10. Ayirala, S.C., Kulkarni, M.M., and Rao, D.N.: “Application of GAGD Process in a Louisiana Oil Field – Reservoir Characterization and Simulation,” Paper presented at the PPTC Workshop, Shreveport, September 13, 2006.
  11. Ayirala, S.C. and Rao, D.N.: "Measurement and Modeling of Gas-Oil Miscibility for Improved Oil Recovery”, Paper presented at the 20th International Symposium of the Society of Core Analysts, Trondheim, Norway, September 12-16, 2006.
  12. Rao, D.N. and Ayirala, S.C.: “Mechanistic Modeling of Dynamic Vapor-Liquid Interfacial Tension in Complex Petroleum Fluids,” Invited paper presented at Fifth International Symposium on Contact Angle, Wettability and Adhesion, Toronto, Canada, June 21-23, 2006.
  13. Ayirala, S.C. and Rao, D.N.: "Comparative Evaluation of a New MMP Determination Technique,” SPE Paper 99606 presented at 2006 SPE Symposium on Improved Oil Recovery, Tulsa, U.S.A., April 22-26.
  14. Ayirala, S.C., Rao, D.N., Abe, A.A. and Xu, W.: “Impact of Low Cost Dilute Surfactants on Wettability and Relative Permeability,” SPE Paper 99609 presented at 2006 SPE Symposium on Improved Oil Recovery, Tulsa, U.S.A., April 22-26.
  15. Xu, W, Ayirala, S.C. and Rao, D.N.: “Measurement of Surfactant-Induced Interfacial Interactions at Reservoir Conditions,” SPE Paper 96021 presented at the 2005 SPE Annual Technical Conference and Exhibition, October 9-12, Dallas, U.S.A.
  16. Kulkarni, M.M. and Rao, D.N.: "Experimental Investigation of Miscible Secondary Gas Injection,” SPE 95975, 81st Society of Petroleum Engineers’ ATCE, Dallas, TX, October 2005.
  17. Ayirala, S.C. and Rao, D.N.: "Mass Transfer Effects in Fluid-Fluid Miscibility Determination,” Paper presented in the 230th ACS National Meeting, Washington, DC, USA, August 28 – September 1, 2005.
  18. Xu, W., Ayirala, S.C. and Rao, D.N.: “Experimental Investigation of Oil Compositional and Surfactant Effects on Wettability at Reservoir Conditions,” Paper presented at the 19th International Symposium of the Society of Core Analysts, Toronto, Canada, Aug. 21-25, 2005.
  19. Abe, A.A., Sharma, A.P., Ayirala, S.C., Kulkarni, M.M. and Rao, D.N.: “Relative Permeability and Wettability Implications of Dilute Surfactants at Reservoir conditions,” Paper presented at the 19th International Symposium of the Society of Core Analysts, Toronto, Canada, Aug. 21-25, 2005.
  20. Kulkarni, M.M., Sharma, A.P., and Rao, D.N.: “Use of Dimensional Analysis for Scaling Immiscible Gas Assisted Gravity Drainage (GAGD) Experiments,” SCA P064, 19th International Symposium of the Society of Core Analysts, Toronto, Canada, August 2005.
  21. Ayirala, S.C., and Rao, D.N.: "Influence of Solid-Liquid-Liquid Interactions on Multiphase Transport Behavior in Porous Media,” Paper presented at the 2005 International Conference on MEMS, Nano and Smart Systems, Banff, Albert, Canada, July 24-27.
  22. Ayirala, S.C., Xu, W., and Rao, D.N.: "Interfacial Behavior of Complex Hydrocarbon Fluids at Elevated Pressures and Temperatures,” Paper presented at the 2005 International Conference on MEMS, Nano and Smart Systems, Banff, Albert, Canada, July 24-27.
  23. Xu, W., Ayirala, S.C. and Rao, D.N.: “Compositional Dependence of Wetting and Contact Angles in Solid-Liquid-Liquid Systems under Realistic Environments,” Paper presented at the 2005 International Conference on MEMS, Nano and Smart Systems, July 24-27, Banff, Alberta, Canada.
  24. Ayirala, S.C.: “A New Quantitative Technique for Quick and Cost-Effective Determination of Gas-Oil Miscibility,” Paper presented at the SPE 2005 Gulf Coast Regional Student Paper Contest, Lafayette, LA, March 11-12.
  25. Ayirala, S.C. and Rao, D.N.: "Dew Point Pressure Prediction of Gas Condensate Reservoirs,” Paper No. 470 presented at the 6th International Petroleum Conference and Exhibition, Petrotech-2005, New Delhi, India, January 16-19, 2005.
  26. Ayirala, S.C. and Rao, D.N.: “Solubility, Miscibility and their Relation to Interfacial Tension for Application in Reservoir Gas-Oil Systems,” SPE Paper 91918 prepared for presentation at the SPE International Petroleum Conference, Puebla, Pue., Mexico, Nov. 7-9, 2004.
  27. Rao, D.N. and Ayirala, S.C.: “Application of a New Mechanistic Parachor Model to Predict Dynamic Gas-Oil Miscibility in Reservoir Crude Oil – Solvent Systems,” SPE Paper 91920 prepared for presentation at the SPE International Petroleum Conference, Puebla, Pue., Mexico, Nov. 7-9, 2004.
  28. Kulkarni, M M, and Rao, D N, “Analysis of the Novel Toe-To-Heel Air Injection (THAI) Process using Analytical Models”, Paper prepared for presentation at the AIChE 2004 Annual Meeting, Austin, TX, Nov 7 –12, 2004.
  29. Kulkarni, M M, and Rao, D N, “Is Gravity Drainage an Effective Alternative to WAG?”, Paper prepared for presentation at the AIChE 2004 Annual Meeting, Austin, TX, Nov 7 –12, 2004.
  30. Kulkarni, M M, and Rao, D N, “Experimental Investigation of Various Methods of Tertiary Gas Injection, SPE 90589, Paper prepared for presentation at the 80th Society of Petroleum Engineers’ Annual Technical Conference and Exhibition, Houston, TX, Sept 26 – 29, 2004.
  31. Kulkarni, M M, and Rao, D N, “Analytical Prediction of In-Situ Combustion (ISC) Process Performance – Applicability to Indian EOR Scene”, Paper prepared for presentation at the 11th Annual India Oil and Gas Review Symposium and International Exhibition, Mumbai, India, Sept 6 – 7, 2004.
  32. Kulkarni, M M, and Rao, D N, “Is there a ‘Happy-Medium’ between Single Slug and Water-Alternating-Gas (WAG) Processes?” Paper prepared for presentation at the 11th Annual India Oil and Gas Review Symposium and International Exhibition, Mumbai, India, Sept 6 – 7, 2004.
  33. Ayirala, S.C. and Rao, D.N.: “Surfactant-Induced Modifications in Interfacial and Surface Forces and Multiphase Flow Dynamics in Porous Media,” Paper presented at Fourth International Symposium on Contact Angle, Wettability and Adhesion, Philadelphia, PA, June 14-16, 2004.
  34. Rao, D.N. and Ayirala, S.C.: “The Multiple Roles of Interfacial Tension in Fluid Phase Equilibria and Fluid-Solid Interactions,” Invited paper presented at Fourth International Symposium on Contact Angle, Wettability and Adhesion, Philadelphia, PA, June 14-16, 2004.
  35. Rao, D.N. and Ayirala, S.C.: “Measurement and Modeling of Gas-Oil Interfacial Tension at Reservoir Conditions,” Paper presented at the 2004 ATW-Gas Condensate Reservoir Development and Management Work Shop, Houston, TX, May 19-20, 2004.
  36. Ayirala, S.C., Vijapurapu, C.S. and Rao, D.N.: “Beneficial Effects of Wettability Altering Surfactants in Oil-Wet Fractured Reservoirs,” Paper presented at the 8th International Symposium on Reservoir Wettability, Houston, TX, May 16-18, 2004.
  37. Rao, D.N., “Does the Zisman-type Spreading Behavior Exist in Reservoir Rock-Fluids Systems?”, Poster presentation at the 8th International Symposium on Reservoir Wettability, Houston, TX, May 16-18, 2004.
  38. Rao, D.N., Ayirala, S.C., Kulkarni, M.M. and Sharma, A.P.: “Development of Gas Assisted Gravity Drainage (GAGD) Process for Improved Light Oil Recovery,” SPE Paper 89357 presented at the SPE/DOE 14th Symposium on Improved Oil Recovery, Tulsa, OK, April 17-21, 2004.
  39. Ayirala, S.C. and Rao, D.N.: “Modified Parachor Model for Prediction of Interfacial Tension in Multi-Component Hydrocarbon Systems,” Paper presented at the 227th National ACS Meeting, Anaheim, CA, March 28-April 1, 2004.
  40. Ayirala, S.C. and Rao, D.N.: “Solubility, Miscibility and their Relation to Interfacial Tension for Ternary Fluid Systems,” Paper presented at the 227th National ACS Meeting, Anaheim, CA, March 28-April 1, 2004.
  41. Ayirala, S.C., Rao, D.N., and Casteel, J., “Comparison of Minimum Miscibility Pressures Determined from Gas-Oil Interfacial Tension Measurements with Equation of State Calculations”, Paper SPE 84187 prepared for presentation at SPE Annual Conference and Exhibition, Denver, CO. October 5-8, 2003.
  42. Ayirala, S.C., Rao, D.N., and Casteel, J.C., “Validation of New Experimental Approach of Vanishing Interfacial Tension (VIT) for Minimum Miscibility Pressure (MMP) Determination using Equations of State”, Paper presented at Astatphys–Mex-2003 Petroleomics Symposium”, Puerto Vallarta, Mexico, August 25-29, 2003.
  43. Vijapurapu, C. S., and Rao, D. N., “Compositional Effects of Fluids on Spreading, Adhesion and Wettability in Porous Media”, Paper presented at TRI/Princeton’s Third International Workshop on Characterization of Porous Materials, Princeton, N.J., June 23-25, 2003.
  44. Ayirala, S.C., and Rao, D.N., “Multiphase Flow and Wettability Effects of Surfactants in Porous Media”, Paper presented at TRI/Princeton’s Third International Workshop on Characterization of Porous Materials, Princeton, N.J., June 23-25, 2003.
  45. Rao, D.N. and Ayirala, S.C.: “Inducement of Mixed-Wettability by Surfactants in Reservoir Rock-Fluids Systems”, Paper No. 502 presented at the 225th ACS National Meeting, New Orleans, LA, March 23-27, 2003.
  46. Vijapurapu, C. S., and Rao, D. N., “Effect of Brine Dilution and Surfactant Concentration on Spreading and Wettability”, Paper SPE-80273, Proceedings of the 2003 SPE International Symposium on Oilfield Chemistry, Houston, TX, February 5-7, 2003.
  47. Rao, D. N., “Recent Developments in Techniques to Characterize Reservoir Rock-Fluids Interactions”, Paper No. U448, Proceedings of the 5th International Petroleum Conference and Exhibition, Petrotech-2003, New Delhi, India, January 9-12, 2003.
  48. Rao, D. N., “Problems, Promises and Design Considerations of Gas Injection Enhanced Oil Recovery Processes”, Paper No. U449, Proceedings of the 5th International Petroleum Conference and Exhibition, Petrotech-2003, New Delhi, India, January 9-12, 2003.
  49. Ayirala, S. C., Rao, D. N., “Enhancement of Oil Recovery Through Surfactant-Induced Relative Permeability Modifications”, Paper No. U450, Proceedings of the 5th International Petroleum Conference and Exhibition, Petrotech-2003, New Delhi, India, January 9-12, 2003.
  50. Vijapurapu, C. S., Rao, D. N., “The Dependence of Reservoir Wettability on Rock and Fluids Characterization”, Paper No. U451, Proceedings of the 5th International Petroleum Conference and Exhibition, Petrotech-2003, New Delhi, India, January 9-12, 2003.
  51. Rao, D.N., “The Concept, Characterization, Concerns and Consequences of Contact Angles in Solid-Liquid-Liquid Systems”, Invited paper presented at the Third International Symposium on Contact Angle, Wettability and Adhesion, Providence, Rhode Island, May 20-23, 2002.
  52. Rao, D.N., and Vijapurapu, C.S., ""The Effect of Rock Surface Characteristics on Reservoir Wettability", Paper presented at the Third International Symposium on Contact Angle, Wettability and Adhesion, Providence, Rhode Island, May 20-23, 2002.
  53. Vijapurapu, C.S., Rao, D.N., and Lian, K., "The Effect of Rock Surface Characteristics on Reservoir Wettability", Paper SPE 75211 presented at the SPE/DOE 13th Symposium on Improved Oil Recovery, Tulsa, OK, April 13-17, 2002.
  54. Rao, D.N., and Radwani, H.H., "The Effect of Solid Surface Roughness on Dynamic Contact Angles in Solid-Liquid-Liquid Systems", Paper ETCE-2002/CMDA-29071 presented at the ASME Engineering Technology Conference on Energy, Houston, TX, February 4-6, 2002.
  55. Rao, D.N., "Measurements of Dynamic Contact Angles in Solid-Liquid-Liquid Systems at Elevated Pressures and Temperatures", Paper presented at the First International TRI/Princeton Workshop on Nanocapillarity: Wetting of Heterogeneous Surfaces and Porous Solids, Princeton, NJ, June 25-27, 2001.
  56. Rao, D.N., and Girard, M.G., "Induced Multiphase Flow Behavior Effects in Gas Injection EOR Projects", Paper prepared for presentation at the Canadian International Petroleum Conference", June 12-15, 2001.
  57. Muhammad, Z., and Rao, D.N., "Compositional Dependence of Reservoir Wettability", SPE 65409, paper presented at the SPE International Symposium on Oil Field Chemistry, Houston, TX, February 13-16, 2001.
  58. Rao, D.N., and Bassiouni, Z.A., "Cost-Effective CO2 Sequestration through Enhanced Oil Recovery", Paper ETCE 2001-17091, paper presented at ASME's Engineering Technology Conference on Energy, Houston, TX, February 5-7, 2001.
  59. Rao, D.N., and Lee, L.I., “Miscibility Evaluation for Terra Nova Offshore Field”, Paper presented at the Canadian International Petroleum Conference, June 5-8, 2000, Calgary, Alberta, Canada.
  60. Rao, D.N., and Lee, L.I., “Evaluation of Minimum Miscibility Pressure and Composition for Terra Nova Offshore Project Using the New Vanishing Interfacial Tension Technique”, SPE paper 59338 presented at SPE/DOE Improved Oil Recovery Symposium, Tulsa, Ok, April 3-5, 2000.
  61. Rao, D.N., and Bassiouni, Z.A., “A New Technique to Confidently Characterize Wettability Alterations by Drilling/Completions/Workover Fluids”, SPE paper 59516 presented at the SPE International Symposium on Formation Damage Control, Lafayette, LA, February 23-24, 2000.
  62. Rao, D.N., “Rapid and Cost-effective Determination of Gas-Oil Miscibility using the Vanishing Interfacial Tension Technique, paper presented at the 3rd International Symposium on Colloid Chemistry in Oil Production, Huatulco, Mexico, November 14-17, 1999.
  63. Rao, D.N., “Characterization of Spreading and Adhesion Phenomena in Crude Oil-Brine-Rock Systems at Reservoir Conditions”, Paper presented at the 3rd International Symposium on Colloid Chemistry in Oil Production, Huatulco, Mexico, November 14-17, 1999.
  64. Rao, D.N., "Is there a Correlation between Wettability from Corefloods and Contact Angles?,” SPE Paper 37234, presented at the 1997 SPE International Symposium on Oil Field Chemistry, Houston, Texas, 18-21 February 1997.
  65. Rao, D.N., McIntyre, F.J., and Fong, D.K., "Application of a New Technique to Optimize Injection Gas Composition for the Rainbow 'F' Pool Miscible Flood", CIM paper 96-100 presented at the Petroleum Society's 47th Annual Technical Meeting, Calgary, 10-12 June 1996.
  66. Rao, D.N., "Wettability Effects in Thermal Heavy Oil Recovery Operations", SPE paper 35462 presented at the 1996 SPE/DOE Tenth Symposium on Improved Oil Recovery, Tulsa, OK, 21-24 April 1996.
  67. Shaw, J.C., Tsuen, R., Leggit, S.M., Schramm, L.L., and Rao, D.N., "Pyrobitumen Induced Formation Damage Problems", SPE paper 31130 presented at the International Symposium on Formation Damage Control, Lafayette, LA, 14-15 February 1996.
  68. Rao, D.N., "The New Dual-Drop-Dual-Crystal Contact Angle Technique for Confident Reservoir Wettability Characterization", Paper #4, presented at the 16th International Energy Agency Workshop/Symposium, October 15-18, 1995, Chiba City, Japan.
  69. Rao, D.N., "Discovery, Development and Field Test of Wettability Control Technology", Paper #10 presented at the 16th International Energy Agency Workshop/Symposium, October 15-18, 1995, Chiba City, Japan.
  70. Rao, D.N., "Formation Wettability Evaluation using a New Contact Angle Technique", Paper presented at the CSPG/CWLS Joint Symposium, Calgary, Alberta, May 28-31, 1995.
  71. Rao, D.N., and Karyampudi, R.S., "Productivity Enhancing Wettability Control Technology for Cyclic Steam Process in the Elk Point Cummings Formation", Paper 95-62 presented at the 46th Annual Technical Conference of CIM, May 14-17, 1995, Banff, Alberta. (Also presented at PRI's Annual Conference & Exhibit in Calgary, May 25, 1995).
  72. Karyampudi, R.S., and Rao, D.N., "Improved Wettability Determination Using DDDC Technique at Elk Point Heavy Oil Field", Paper 95-22 presented at the 46th Annual Technical Conference of CIM, May 14-17, 1995, Banff, Alberta.
  73. Rao, D.N., and Girard, M. G., "Characterization of Dynamic Fluid-Solid Interactions in Petroleum Reservoirs", paper presented at the 44th Canadian Chemical Engineering Conference, Calgary, Alberta, October 2-5, 1994.
  74. Rao, D.N., "A Simple New Technique to Account for Adhesion in Wettability Characterization Through Contact Angles", paper presented at the 3rd International Symposium on Evaluation of Reservoir Wettability and its Effect on Oil Recovery, Laramie, Wyoming, U.S.A, September 21-23, 1994.
  75. Rao, D.N., and Girard, M. G., "A New Technique for Reservoir Wettability Characterization", CIM/AOSTRA Paper 94-48 presented at the 45th Annual Technical Conference of CIM, June 12-15, 1994, Calgary, Alberta.
  76. Rao, D.N., and Maini, B.B., "Impact of Oil-Rock Adhesion on Reservoir Mechanics", CIM Paper 93-65 presented at the 44th Annual Technical Conference, May 10-12, 1993, Calgary, Alberta.
  77. Sayegh, S.G., Fisher, D.B., and Rao, D.N., “A Parametric Study of Hydrocarbon Miscible EOR in Visual Micromodels”, paper presented at the 42nd Canadian Chemical Engineering Conference, Toronto, Ontario, October 18-21, 1992.
  78. Rao, D.N., Girard, M., and Sayegh, S.G., "The Influence of Reservoir Wettability on Waterflood and Miscible Flood Performance", Paper No. CIM/AOSTRA 91-06, presented at the CIM/AOSTRA 1991 Technical Conference, Banff, Alberta, 21-24 April 1991.
  79. Rao, D.N., Girard, M., and Sayegh, S.G., "Impact of Miscible Flooding on Wettability, Relative Permeability and Oil Recovery", Paper No. SPE 20522, presented at the 65th SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, 23-26 September 1990.
  80. Rao, D.N., Girard, M., and Sayegh, S.G., "Interfacial Phenomena in Miscible Gas Processes", Paper No. SPE 19698, presented at the 64th SPE Annual Technical Conference and Exhibition, San Antonio, TX, 8-11 October 1989.
  81. Sayegh, S.G., Rao, D.N., Kokal, S.L., and Najman, J., "Phase Behavior and Physical Properties of Lindbergh Heavy Oil/CO2 Mixtures", Paper No. 89-40-45, presented at the 40th Annual Technical Meeting of the Petroleum Society of CIM, Banff, Alberta, 28-31 May 1989.
  82. Rao, D.N., Mohtadi, M.F., and Hastaoglu, M.A., "Direct Contact Heat Transfer - A Better Way to High Efficiency and Compactness", Paper presented at the 33rd Conference of the Canadian Society of Chemical Engineers, Toronto, Ontario, Canada, 2-5 October 1983.
  83. Rao, D.N., and Mohtadi, M.F., "A Novel Direct Contact Heat Exchange System for Efficient Heating of Water", Paper presented at the ASME-JSME Thermal Engineering Conference, Honolulu, Hawaii, 20-24 March 1983.
  84. Rao, D.N. and Mohtadi, M.F., "Performance Characteristics of a Novel Direct Contact Heat Transfer System", Paper presented at the 66th Conference of the Chemical Institute of Canada, Calgary, Alberta, Canada, 5-8 June 1983.
  85. Wierzba, I., Rao, D.N., and Mohtadi, M.F., "A Novel Technique for Steam Generation in Oil Wells", Paper presented at the VI International Symposium on Combustion Processes, Karpacz, Poland, 26-30 August 1979.
  86. Wierzba, I., Rao, D.N., and Mohtadi, M.F., "A Novel In-Situ Steam Generator", Paper presented at the Combustion Institute's Technical Meeting, Kingston, Ontario, Canada, 3-4 May 1979.
  87. Bakshi, N.N., Rao, D.N., and Macdonald, D.G., "Color Removal from Pulp Mill Effluent Using Fly-Ash", Paper presented at the 27th Conference of the Canadian Society of Chemical Engineers, Calgary, Alberta, Canada, 25 October 1977.
  88. Macdonald, D.G., Bakshi, N.N., and Rao D.N., "Color Removal from Pulp-Mill Effluent Using Acidified Fly-Ash", Paper presented at the Fall Conference of the Canadian Pulp and Paper Association, Prince Albert, Saskatchewan, Canada, 22-24 September 1977.

Patents

  • 2006 - Rao, D.N., “Gas-Assisted Gravity Drainage Process for Improved Oil   Recovery”, United States patent application serial number 11/399,831, April, 2006.
  • 2006 - Rao, D.N., “Gas-Assisted Gravity Drainage Process for Improved Oil Recovery”, PCT World patent application serial number PCT/US2006/012837, April, 2006.
  • 2002 - Rao, D.N., and Ayirala, S.C., “A Method for Enhancing Oil Recovery by Reservoir Wettability Alteration”, Patent disclosure to LSU Office of Intellectual Properties, November 2002. Deferred.
  • 1993 - Rao, D.N., Patent disclosure on a novel miscibility evaluation technique. Discontinued by previous    employer due to lack of funds. Released for publication.
  • 1992 - Rao, D.N., Patent disclosure on an invention relating to reservoir treatment for enhanced oil production. Discontinued by previous employer due to lack of funds. Released for publication.
  • 1990 - Rao, D.N., and Girard, M.G., Invention of the Dual-Drop-Dual-Crystal contact angle apparatus and method. Not pursued by previous employer due to lack of funds. Released for publication.
  • 1987 - Rao, D.N., “Liquid Vortex Gas Contractor.”  Canadian Patent 1,228,288, 1987.
  • 1986 - Rao, D. N., “Liquid Vortex Gas Contractor,” U.S. Patent 3,604,988, 1986.

Membership in Editorial Boards

  • Technical Editor of SPE Journal (1998 – 2005)
  • Member of Editorial Review Board of the Journal of Canadian Petroleum. Technology (1992-1999)

Honors and Awards:

  • The selection of the GAGD Process by LSU Vice-Chancellor (Research) for an article in the Baton Rouge newspaper, The Advocate, September 10, 2006.
  • The award of a grant of $482,340 by Nelson Oil and Gas (NOG) Company to conduct further research on the GAGD process and the company’s interest in conducting the first field test of the GAGD Process
  • The dissertation of my Ph.D student, Subhash Ayirala, was selected as the top choice by the College of Engineering Awards Committee to represent the College in the LSU Distinguished Dissertation Awards competition.
  • Received the Louisiana Economic Development Assistantship award.
  • Received “Honorable Mention” in the College of Engineering Outstanding Faculty Research Awards for 2004.
  • Appointed as Full Member of the Graduate Faculty by the Associate Dean of Graduate School, July 2004.
  • Invitation by the Dean, College of Engineering at LSU to serve on the Undergraduate Education Enhancement Committee, October 2003.
  • Subash Ayirala, a Ph.D student under my supervision, received “Honorable Mention” in the College of Engineering Outstanding Graduate Research Awards for 2003.
  • LSU College of Engineering Outstanding Graduate Research Award to Chandra S. Vijapurapu for his MS thesis research conducted under my supervision, March 2003.
  • Invitation to be the Coordinator for the session on Transport Mechanisms at the Gordon Research Conference on Flow and Transport in Permeable Media, Andover, New Hampshire, August, 4-9, 2002.
  • Invited by LSU Vice-Chancellor (Research) to serve on the Research and Development Committee of the College of Engineering (2002).
  • Member, Pi Epsilon Tau, National Engineering Honour Society, (November 2000).
  • Member, Sigma Xi (March 2000).
  • Registered Professional Engineer (since 1986) with the Association of Professional Engineers, Geologists and Geophysicists of Alberta, Canada.
  • STAR Award from BDM Petroleum Technologies (March 1998).
  • Invited in 1994 to join the team of judges for the Calgary Youth Science Fair. Served in that capacity until 1997.
  • Best Paper Presented Award from the Petroleum Society of CIM, Calgary, Alberta (1991).
  • AOSTRA Post-Doctoral Fellowship Award (1983-84).
  • Research Award from the Canadian Pollution Abatement Research to construct a pilot plant based on my M.Sc. thesis research (1976-77).
  • Research Assistantship, Saskatchewan Research Council (1975-76).
  • University Honors for First Class with Distinction in B.Tech (1974).
  • Government of India Merit Scholarship (1967-73).
  • Provincial Award for the Best Essay from university students on Mahatma Gandhi (1969). My essay was published along with articles from some of the most famous writers in the country in a special volume to commemorate Mahatma Gandhi’s Centennial

Invited Presentations/Articles:

  • Invitation from Shell headquarters to present technical talks at the Second Annual Shell International Science Symposium on “Future Approaches in Subsurface Chemistry and Physics”, Rijswijk, The Netherlands, Nov 13-15, 2007.
  • Invitation to be the luncheon speaker at the Enhanced Recovery Forum- 2007, Houston, TX, Aug 9, 2007.
  • Rao, D.N., “Fluid-Fluid and Rock-Fluids Interactions in Petroleum Reservoirs”, Invited talk presented at SPE-India Section, Ahmadabad, India, December 29, 2006.
  • Invitation to give a Keynote Address on “ Interfacial Interactions in Petroleum Reservoirs” at the Indo-Canadian Joint Symposium on Energy for Tomorrow organized at the Chemcon-2006 of the Indian Institute of Chemical Engineers, Bharuch, India, December 27-30, 2006.
  • Invited to speak to about 200 high school students about the Gas-Assisted Gravity Drainage Process at the Saturday Science talks at LSU, October 2006.
  • Invited presentation at the Desk & Derrick Club of Baton Rouge, September 2006.
  • Invitation by the Petroleum Technology Transfer Council of the Mid-Continent Region to speak at the Independents session at the SPE/DOE IOR Symposium in Tulsa, Ok. April 25, 2006.
  • Invitation from Material Science and Technology Conference organizers to present an invited paper at the Fourth International Symposium on Contact Angle, Wettability and Adhesion, to be held at Philadelphia, PA, June 14-16, 2004.
  • Invitation (in Oct. 2003) from Prof. Gast of MIT and Prof. Nagarajan of PennState, organizers of Symposium in Memory of Prof. Adamson, to present our research at the American Chemical Society National Meeting, Anaheim, CA (April 2004).
  • Invitation from Material Science and Technology Conference organizers to present an invited paper at the Fourth International Symposium on Contact Angle, Wettability and Adhesion, to be held at Philadelphia, PA, June 14-16, 2004.
  • Invited presentation at the Sigma Xi Meeting, Louisiana State University, (November 2002).
  • Invitation by MST (Materials Science and Technology) Conference organizers to present an Invited Paper at the Third International Symposium on Contact Angle, Wettability and Adhesion, (May 2002).
  • Invitation from the Journal of Canadian Petroleum Technology to write a state-of-the-art article for feature publication under the Distinguished Author Series, (December 2000)
  • Presented five invited lectures (at U of Alberta, U of Calgary, Indian Institute of Science, Japan National Oil Corporation, YMCA) (1995-96)

Featured Articles:

  • Featured in Nickle’s New Technology Magazine of Calgary, Canada regarding GAGD (June 2007)
  • Featured in SPE website article on GAGD
  • Rao, D.N., “Educational and Research Opportunities at the Craft and Hawkins Department of Petroleum Engineering, Louisiana State University, Baton Rouge, LA, USA”, Article published in DEW Journal, New Delhi, India, 2006.
  • Featured in the Advocate newspaper article on Gas-Assisted Gravity Drainage (GAGD), Sept. 10, 2006
  • Interviewed by the Editor and featured in Enhanced Energy Recovery News (Vol. 19, No. 7, p. 3, February 1996) regarding the development of the new Vanishing Interfacial Tension (VIT) technique for gas-oil miscibility determination
  • Interviewed by the Editor and featured in “Chementator” section of Chemical Engineer (Oct. 17, 1983, P. 9) regarding the development of a new direct-contact heat transfer process during my Ph.D thesis research
  • Featured in “Chemistry in Canada” (March 1978, P. 13) regarding the development of a new treatment process for pulp mill effluents
  • Featured in University News Bulletins and several local newspaper articles in Saskatoon and Calgary (Canada) for the development of novel research projects.

 Funded Proposals

1.
Principal Investigator: Rao, D.N.
Title: Research and Technology Development for Enhancing Recovery from Depleted Louisiana Oil Fields
Funding Agency: Louisiana Board of Regents
Total: $100,000                 
Starting Date/Duration: 7/1/2007; 4 years
2.

Principal Investigator: Rao, D.N.
Title: Condensate Blockage and Remediation
Funding Agency: Louisiana Board of Regents
Total: $210,000
Start Date/Duration: 7/1/2006; 3 years
3.

Principal Investigator: Rao, D.N.
Title: Condensate Blockage and Remediation
Funding Agency: ConocoPhillips
Total: $ 46,000
Starting Date/Duration: 07/01/2006
4.

Principal Investigator: Rao, D.N.
Title: Demonstration of the Gas-Assisted Gravity Drainage (GAGD) Process in a Louisiana Oil Field
Funding Agency: Nelson Oil and Gas
Total: $482,340                 
Starting Date/Duration: 7/1/2005; 1.5 years
5.

Principal Investigator: Rao, D.N.
Title: Development and Optimization of Gas-Assisted Gravity Drainage (GAGD) Process for Improved Light Oil Recovery
Funding Agency: US Department of Energy
Total Project Cost: $864,525
US-DOE share: $622,287
Starting Date/Duration: 10/1/2002; 3 years
6.

Principal Investigator: Rao, D.N.
Title: Upgrading Enhanced Oil Recovery Research Laboratories
Funding Agency: LSU – Vice Chancellor (Research & Graduate Studies)
Total: $137,000                 
Starting Date/Duration: 7/1/2002; 3 years
7.

Principal Investigator: Rao, D.N.
Title: Enhancement of Oil Recovery by Reservoir Wettability Alteration
Funding Agency: Louisiana Board of Regents & Marathon Oil Company
Total Project Cost: $616,854
Funds from Board of Regents: $253,779
Funds from Marathon Oil Company, Midland, TX: $174,000
Starting Date/Duration: 6/1/2000; 3 years
8.

Principal Investigator: Rao, D.N.
Title: Reservoir Condition Wettability Tests for the Yates Field Unit
Funding Agency: Marathon Oil Company
Total Project Cost: $45,000
Starting Date/Duration: 2/1/2003; 1 year
 
    Summary:
    
  External Funds    
  Industry:   $747,340
  State:   $563,779
  Federal:   $622,287
  Total:   $1,933,406
  LSU Funds    
  Equipment Grant (VC-Research): $137,000
  Technology Fee Grant: $  69,500
  Grand Total: $2,139,906

Journals edited, manuscripts refereed, books and proposals reviewed

  • Served as Technical Editor of SPE Journal from 1998-2005.  Reviewed and/or coordinated the review of approximately 15 papers and recommended decisions about their suitability for publications to the Executive Editor (1998-2003).
  • Reviewed a research proposal for the Petroleum Research Fund of the American Chemical Society, April 2002.
  • Reviewed 5 abstracts and recommended acceptance of a few for presentation at SPE's Rocky Mountain Petroleum Technology Conference in May 2000.
  • Reviewed approximately fivejournal papers per year over the last ten years for J. Canadian Petrol. Technology, SPE Journal, SPE Reservoir Engineering, J. Adhesion Science and Technology, Contact Angle, Wettability and Adhesion - Volume 3, Colloids and Surfaces A: Physicochemical and Engineering Aspects.

 Professional Courses Taught and Seminars       

  • Rao, D.N., “GAGD process “, 3-hour course taught at the at the Institute of reservoir Studies of the Oil and Natural gas Corporation of India, Ahmadabad, India, December 29, 2006.
  • Rao, D.N., "Introduction to Gas Condensate Reservoirs", One-Day Course presented for the SPE - Delta Section Continuing Education program for industry professionals, New Orleans, March 21, 2002.
  • Rao, D.N., “Reservoir Rock and Fluid Fundamentals”, One-Day Course presented for the SPE - Delta Section Continuing Education program for industry professionals, New Orleans, October 23, 2001.
  • Rao, D.N., "Gas Injection EOR - A New Meaning in the New Millennium", Luncheon Seminar presented at SPE - Delta Section Monthly Meeting, New Orleans, September 12, 2001.
  • Rao, D.N., "Enhanced Oil Recovery - Past, Present and Future", Luncheon Seminar presented at SPE - Mississippi Section, Jackson, Miss., January 11, 2001.

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Updated: 9/17/07
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