Publications by Key Staff

Our staff is well-versed in the most recent upstream oil and gas techniques and procedures. Below is an annotated list of our staff’s publications.

Brown, Robert

  1. A. Carnes, SPE, J. Yarus, Smedvig Technologies, P. Cordova, SPE, M. Delgado, H. Rodriguez, PDVSA, P.J. Black, R. L. Brown, SPE, K. Krmaer, K. Yang, and L.D. Green, Smedvig Technologies (1999). The Barua Field, Venezuela: Comparison of the Results and Process of Deterministic versus Stochastic Reservoir Characterization. SPE 56656

Ellul, Ivor Dr.

  1. Dr. Ivor R. Ellul, Suresh Asi, "Can Dynamic Complex Multiphase Phenomena be Modeled?", PSIG 42nd Annual Meeting, Napa, May 24-27, 2011.
  2. Dr. Ivor R. Ellul, "Dynamic Multiphase Simulation – the State of Play", PSIG 41st Annual Meeting – Bonita Springs FL – May 2010.
  3. Dr. Ivor R. Ellul, Knowledge Reservoir; Terry Hughes, Pipeline Design Solutions; Dr. Ben Asante, Pipeline Design Solutions, "Natural Gas Training 101 – Training in Paradise", PSIG Calgary, October 2007.
  4. Ivor R. Ellul, Smith, C.M.S, "Offshore Facilities Design Under Upset Operating Conditions", Flow Assurance Conference, Kuala Lumpur, September 2003.
  5. Ivor R. Ellul, Smith, C.M.S, Bradberry, C., "Hydrodynamic Flow Assurance and How it Affects Facilities Design: Achieving Optimum Operability", Flow Assurance – A Holistic Approach, Houston, May 2003.
  6. Ivor R. Ellul, "An Enterprise-Wide System to Share Knowledge and Accelerate Development for Deepwater and Non-Conventional Wells", Knowledge Management in Oil & Gas, Houston , January 2003.
  7. Ivor R. Ellul, Brooker, P.B., "The Prediction of Liquid Dropout and Associated Slugging in Offshore Pipeline Gathering Systems", PSIG 2002 Annual Meeting, Portland , Oregon , October 2002.
  8. Ivor R. Ellul, Yarus, J.M., Zamora , D.H., "Pemex uses Step-by-Step Approach", Knowledge Management in the E & P Marketplace, October 2000.
  9. Schmadeka, W., Ivor R. Ellul, "Enlivening Hardcopy Documents for Web Delivery", STC Region 5 Conference, Albuquerque , New Mexico , October 2000.
  10. Ivor R. Ellul, Yarus, J.M., Zamora , D.H., "Pemex uses Step-by-Step Approach", Knowledge Management in the E & P Marketplace, October 2000.
  11. Ivor R. Ellul, "Mejores tasas de recuperacion", Petroleo International, September-October 1998.
  12. Thomassen, P.R., Ivor R. Ellul, "Technology Tips The Scales For Improved Recovery Rates", The American Oil & Gas Reporter, September 1997.
  13. Iwere, F., Ivor R. Ellul, "The Adoption of Gas Storage As a Means of Operation within a Rule 636 Environment", PSIG 1995 Annual Meeting, Albuquerque , New Mexico , October 1995.
  14. Finch, L., Ivor R. Ellul, Gochnour, R., "Implementation of Mechanistic Flow Models in a Practical Multiphase Flow Simulator", PSIG 1991 Annual Meeting, Minneapolis , October 1991.
  15. Ivor R. Ellul, King, P.E., Findlay , W.A., Delacroix, M.P., "The Use of Dynamic Simulation in Offshore Multiphase Pipeline Design,", 5th International Conference on Multiphase Production, Cannes , June 1991.
  16. Rygg, O.B., Ivor R. Ellul, "The Dynamic Two-Phase Modelling of Offshore Live Crude Lines under Rupture Conditions", 23rd Annual Offshore Technology Conference, Houston , May 1991.
  17. Ivor R. Ellul, "Advances in Pipeline Leak Detection Techniques", ASME Petroleum Division Conference, January 1991.
  18. Ivor R. Ellul, "Online Leak Detection on Gas Transmission Systems", Symposium on the Use of Computers for Gas Transmission and Distribution Systems, Budapest , October 1990.
  19. Ivor R. Ellul, Jacobsen, K.A., Pauchon, D., Mackay, D.C., Sugarman, P., "A Study of Transient Multiphase Effects in the Operation of Rich Gas Pipelines", ASME Petroleum Division Conference, January 1990.
  20. Ivor R. Ellul, "Pipeline Leak Detection", The Chemical Engineer, June 1989.
  21. Ivor R. Ellul, "The Prediction of Dispersed Gas-Liquid Flow in Complex Pipe Geometries", Ph.D. Thesis, University of London , 1989.
  22. Ivor R. Ellul, "Computer-Aided Pipeline Facilities and Control Systems", in Underground Storage of Natural Gas, (Ed. M.R. Tek), 1989.
  23. Ivor R. Ellul, Issa , R.I. , "The Modelling of Gas-Liquid Bubbly Flow in Vertical Flow Lines with and without Constrictions", Proc. 4th Int. Conf. on Multi-Phase Flow, Nice, France , June 1989.
  24. Ivor R. Ellul, "Advances in Pipeline Leak Detection Techniques", Pipes and Pipelines International, May-June 1989.
  25. Ivor R. Ellul, Issa , R.I. , "The Prediction of Interspersed Two-Phase Flow through Pipes with Obstructions", 3rd Int. Conf. on Multi-Phase Flow, the Hague , Netherlands , May 1987.
  26. Ivor R. Ellul, Issa , R.I. , "Prediction of the Flow of Interspersed Gas and Liquid Phases through Pipe Bends", Chem. Eng. Res. Des, Vol 65, January 1987.
  27. Ivor R. Ellul, "The Utilization of Pipe Curvature to obtain Gas-Oil Separation", European Petroleum Conference, London, October 1986.
  28. Ivor R. Ellul, Issa , R.I. , Looney, M.K., "Numerical Computation of Multi-Dimensional Multi-Phase Flow", Fourth Int. Conf, on Numerical Methods in Laminar and Turbulent Flow, Swansea July 1985.
  29. Ivor R. Ellul, "The Sizing of Gas-Oil Separators – and Integrated Approach", Offshore Europe Conf. Aberdeen, September 1985.
  30. Ivor R. Ellul, "Selection Criteria in the Sizing of Gas-Oil Separators", M.Sc Dissertation, University of London , 1982.

Gorell, Sheldon Dr.

  1. “Reservoir Models: Data Improvement Needs”, Sheldon Gorell, presented at Advanced Energy Forum Microfabricated Sensors Workshop, September 8, 2010, Houston, Texas.
  2. “Decision Making With Uncertainty While Developing Multiple Gas / Condensate Reservoirs: Well Count and Pipeline Optimization”, C. S. Kabir, S. B. Gorell, M. E. Portilla, A. S. Cullick, SPE Reservoir Evaluation & Engineering, June 2007, Volume 10, Number 3, pg. 251. 
  3. “Implication of Non-Uniqueness on History Matching”, Keynote presentation, SPE Applied Technology Workshop on History Matching, Houston, October 2006.
  4. “Next-generation modeling workflows improve reservoir management decisions”, Sheldon Gorell, Tom Smart, Keshav Narayanan, Pom Sabharwal & Sarah Bassett, first break magazine, volume 23, October 2005.
  5. "Optimal Field Development Planning of Well Locations With Reservoir Uncertainty", Stan Cullick, Keshav Narayanan & Sheldon Gorell, SPE-96986, presented at the 2005 SPE Annual Technical Conference and Exhibition, Dallas, Texas, October 9 – 12, 2005.
  6. "Decision Making With Uncertainty While Developing Multiple Gas / Condensate Reservoirs", Shah Kabir, Sheldon Gorell & Stan Cullick, SPE-95528-PP, presented at the 2005 SPE Annual Technical Conference and Exhibition, Dallas, Texas, October 9 – 12, 2005.
  7. “Trends in Reservoir Simulation: Big Models, Scalable Models? Will You Please Make Up Your Mind?”, Sheldon Gorell & Robert Bassett,  SPE 71596, Presented at the  2001 SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, 30 September–3 October 2001.
  8. “Use of Reservoir Description Approach to Identify Improved Recovery Opportunities: Process and Case History”, M.Y. Soliman, L.E. East, Jr., Sheldon Gorell, 4th International Conference on Reservoir Conformance, Profile Control, Water and Gas Shut-Off, August 10-12, 1998.
  9. “Quantifying the Benefits of Seismic Data for Reservoir Characterization: A Case Study”, S. B. Gorell, Presented at the Rio ’95 Conference (4th International Congress of the Brazilian Geophysical Society / 1st Conference of the Latin American Geophysical Union), Rio De Janeiro, Brazil, August 24, 1995.
  10. “Using Geostatistics to Aid in Reservoir Characterization”, S. B. Gorell, The Leading Edge, September 1995, Vol. 14, No. 9, page 967.  Originally presented at the SOVG Congress (Society of Venezuelan Geophysicists), Caracas, Venezuela, September, 1994.  Subsequently presented at the Canadian Society of Exploration Geophysicists Luncheon, Calgary, June 15, 1995.
  11. “An Integrated Approach to Predicting Lithology Using Statistical Analysis, Acoustic Inversion and Well Logs”, A. A. Peloso. S. B. Gorell, L. E. Driskill, presented at the 1995 AAPG Convention, Houston, TX.
  12. “Creating 3-D Reservoir Models using a real Geostatistical Techniques Combined with Vertical Well Data”, S. B. Gorell, SPE 29670, presented at the Society of Petroleum Engineers Western Regional Meeting, Bakersfield, CA, March 1995.
  13. “The Integration of Seismic and Petrophysical Data for Reservoir Modeling”, S. B. Gorell and Laurence (Loz) Darmon, The American Oil & Gas Reported, November, 1993.
  14. “Outlook for Calibration of Large Grid Block Models for Miscible Flooding Applications”, S. B. Gorell, paper 24186, presented at the SPE / DOE Symposium on Enhanced Oil Recovery, Tulsa, OK, April, 1992.
  15. “Implications of Water-Alternate-Gas Injection for Profile Control and Injectivity”, S. B. Gorell, paper 17335, SPE / DOE Symposium on Enhanced Oil Recovery, Tulsa, OK, April, 1990.
  16. “Comparison of Laboratory – and Field – Observed CO2 Injectivity Behavior”, P. G. Christman and S. B. Gorell, Journal of Petroleum Technology, February 1990.  Originally appeared as paper SPE / DOE Symposium on Enhanced Oil Recovery, Tulsa, OK, April, 1988.
  17. “Discussion of A Proposed Technique to Simulate One-Dimensional Immiscible Fingering”, S. B. Gorell, Soc. Pet. Eng. Reservoir Engineering, August 1989.
  18. “Modeling the Effects of Trapping and Water Alternate Gas (WAG) Injection on Tertiary Miscible Displacements”, S. B. Gorell, paper 17340, SPE / DOE Symposium on Enhanced Oil Recovery, Tulsa, OK, April 1988.
  19. “A Theory for the Most Stable Variable Viscosity Profile in Graded Mobility Displacement Processes”, S. B. Gorell and G. M. Homsy, AIChE Journal, 1985, vol. 31, No. 9, p. 1498.
  20. “Two-Phase Displacement in Hele-Shaw Cells; Experiments on Viscously Driven Instabilities”, C.W. Park, S. B. Gorell, G. M. Homsy, J. Fluid Mech. 1984, vol. 141, p. 257.
  21. “Theory of the Optimal Policy of Oil Recovery by Secondary Displacement Processes”, S. B. Gorell and G. M. Homsy, Soc. Of Industrial and Applied Mathematics Journal, vol. 43, No. 1, p. 79, February 1983.

Gualtieri, Danial

  1. SPE-107775-RMS Real-Time Fluid Distribution Determination in Matrix Treatments Using Distributed Temperature Sensing (DTS) approved for publication in SPE Production & Operations Journal.  Vol 24, No. 1, Feb 2009, pp 135-146.  Journal Cover Picture.
  2. “Stimulation Monitoring and Optimization Services:  Microseismic and DTS Temperature Applied to Stimulation Treatment Optimization” D. Gualtieri, C. Bell, Halliburton Energy Services, Inc, Touch Briefing 2008, Exploration & Production – Oil & Gas Review (May) 2008 – OTC Edition.
  3. SPE110707 “Real-Time Diversion Quantification and Optimization using DTS” G. Glasbergen, D. Gualtieri, R. Trehan, M. Domelen, Halliburton; M. Nelson, Occidental of Elk Hills, Inc. SPE ATCE, November 2007, Anaheim CA.
  4. “The Application and Benefits of the StimWatch® Stimulation Monitoring Service” D. Gualtieri, Halliburton Energy Services, Inc, Touch Briefing 2007, Exploration & Production – Oil & Gas Review (May) 2007 – OTC Edition.
  5. SPE 107775 “Real-Time Fluid Distribution Determination in Matrix Treatments Using DTS” G. Glasbergen, D. Gualtieri, M. Domelen, Halliburton; and J. Sierra, WellDynamics SPE European Formation Damage Conference 30 May – 1 June 2007 Scheveningen, The Netherlands.
  6. “Flow Profiling Gas Wells With Distributed-Temperature-Sensing Data”, Journal of Petroleum Technology (JPT), April 2007.
  7. SPE 103097 “Successful Flow Profiling of Gas Wells Using Distributed Temperature Sensing Data” D. Johnson, J. Sierra, J. Kaura, and D. Gualtieri, Halliburton Energy Services, Inc., SPE Annual Technical Conference and Exhibition held in San Antonio, Texas, U.S.A., 24–27 September 2006.
  8. SPE 103093 “DTS Transient Analysis: A New Tool to Assess Well-Flow Dynamics” David Johnson, José Sierra, and Dan Gualtieri, Jiten Kaura, Halliburton Energy Services, Inc., SPE Annual Technical Conference and Exhibition held in San Antonio, Texas, U.S.A., 24–27 September 2006.
  9. “Technology Update: Real-Time Fluid Tracking Optimizes Treatment Design, Improves Strategy”, D. Gualtieri, Journal of Petroleum Technology (JPT), October 2006.
  10. OTC 18140, “Fiber-Optic Real-Time Distributed Temperature Sensing Provides Improved Management for Heavy Oil Production Environments”, J. Goiffon and D. Gualtieri, Halliburton Energy Services, Inc., OTC Houston Texas, May 1-4 2006.
  11. SPE 100617 “Real-Time Monitoring of Acid Stimulation Using a Fiber-Optic DTS System” R. Clanton, Oxy USA, J. Haney, R. Pruett, C. Wahl, J. Goiffon, and D. Gualtieri, Halliburton, Society of Petroleum Engineers (SPE) 2006 Western Regional/AAPG Pacific Section/GSA Cordilleran Section, Anchorage, Alaska, US.  Re-presented SPE Production Operations Symposium, Oklahoma City, OK, April 2007.
  12. SPE 99449, “Applications of Fiber-Optic Real-Time Distributed Temperature Sensing in a Heavy Oil Production Environment “, J. Goiffon, SPE, and D. Gualtieri, Halliburton Energy Services, Inc., the 2006 SPE Intelligent Energy Conference and Exhibition held in Amsterdam, The Netherlands, 11–13 April 2006.

Rees, Dave

  1. SPE-149197 “Upstream Situational Awareness – Comprehensive Events Based Surveillance Solution”, D. Rees, M. LeBlanc, Knowledge Reservoir LLC, SPE Intelligent Energy International 2012 Conference and Exhibition, 27-29 March 2012, Utrecht, The Netherlands.
  2. SPE-150070 “Transformation and Change in Oil & Gas Production”, Sergio Sama Rubio, Mark Lochmann, Halliburton, L Denver, D Rees. Knowledge Reservoir LLC, SPE Intelligent Energy International 2012 Conference and Exhibition, 27-29 March 2012, Utrecht, The Netherlands.
  3. “Hurricane-Proofing for a Gulf First”, A. Boheimer, D. Rees, DeepSea Engineering & Management, Offshore Engineer, June 2007.

Taghizadeh, Okhtay

  1. O. Taghizadeh; K. Sepehrnoori; S. L. Bryant, University of Texas at Austin, “Limits on Sweep Efficiency for Solvent Injection into Heavy Oil Reservoirs at Grain-scale”, SPE 110681, Western Regional, Bakersfield, California, April 2008.
  2. O. Taghizadeh; K. Sepehrnoori; S. L. Bryant, “Limits on Sweep Efficiency for Solvent Injection into Heavy Oil Reservoirs”, Center for Subsurface Modeling Affiliates meeting, Poster session, Austin, Texas, October 2007.
  3. C. S. Kabir; M-M. Chang; O. Taghizadeh, “Exploring Reservoir Engineering Aspects of Completion in Gas-Condensate Reservoirs: West African Examples,” SPE Journal, Reservoir evaluation and engineering, February 2006.
  4. C. S. Kabir; M-M. Chang; O. Taghizadeh, “Exploring Reservoir Engineering Aspects of Completion in Gas-Condensate Reservoirs: West African Examples,” ATCE, SPE 89753, Houston, September 2004.