B. Khoshnevis, R. Rastegar Moghadam, I. Ershaghi California, K. Larbi, and V. Villagran: “Automatic Concurrent Water Collection (CWC) System for Unloading Gas Wells”, SPE 100649-MS Presented at the 2006 SPE Western Regional/AAPG Pacific Section/GSA Cordilleran Section Joint Meeting, 8-10 May, Anchorage, Alaska, USA
B. Khoshnevis, R. Rastegar Moghadam, I. Ershaghi, , K. Larbi and V. Villagran :“Automatic Concurrent Water Collection (CWC) System for Unloading Gas Wells”, SPE 103266-MSPresented at SPE Annual Technical Conference and Exhibition, 24-27 September 2006, San Antonio, Texas, USA
G. Alipour-Kivi, A. Bugacov, B. Khoshnevis, and I. Ershaghi :“Automated Liquid Unloading in Low-Pressure Gas Wells Using Intermittent and Distributed Heating of Wellbore Fluid,” SPE 100650-MS, Presented at the SPE Western Regional/AAPG Pacific Section/GSA Cordilleran Section Joint Meeting, 8-10 May 2006, Anchorage, Alaska, USA
M. Reedy and I. Ershaghi: “Reducing Electric Pumping Consumption in Mature Fields: Case Studies,” SPE 100651-MS, presented at the SPE Western Regional/AAPG Pacific Section/GSA Cordilleran Section Joint Meeting, 8-10 May 2006, Anchorage, Alaska, USA
C. Temizel, and I. Ershaghi, : Aspects of Reservoir Characterization from Waterflood Performance Data, SPE 97725 Presented at SPE International Thermal Operations and Heavy Oil Symposium, 1-3 November 2005 , Calgary, Alberta, Canada
Ershaghi, and Z. Omoregie: Continuing Education Needs for the Digital Oil Fields of the Future, SPE 97288 Presented at the SPE Annual Technical Conference and Exhibition, 9-12 October, 2005 Dallas, Texas.
K. McLachlan, and I. Ershaghi: A Method for Reservoir Management of Waterfloods, SPE 97829 Presented at the SPE Eastern Regional Meeting, 14-16 September 2005, Morgantown, West Virginia
Al-Anazi and I. Ershaghi, U. of Southern California:" A Conceptual Sensory System for Cross-Hole Reservoir Characterization Using a Pair of Horizontal Wells.", SPE 92296 Proceedings of Middle East Oil and Gas Show and Conference, 5-7 April, 2005 Kingdom of Bahrain
P.S. Hara, Tidelands Oil Production Co.; J.J. Mondragon III and H.H. Sun, City of Long Beach; Z. Yang, EXGEO; I. Ershaghi, U. of Southern California: " " Applying a Reservoir Simulation Model to Drill a Horizontal Well in a Post-Steamflood Reservoir, Wilmington Field, California," SPE 94021 Proceedings of the SPE Western Regional Meeting, Mar 30 - Apr 01, 2005, Irvine, California
G. Swanson, Consultant and I. Ershaghi, U. of Southern California:" Water Control Problems and Solutions-Los Angeles Basin Statistics and Case Histories." SPE 94003 Proceedings of SPE Western Regional Meeting, Mar 30 - Apr 01, 2005, Irvine, California
Z.Yang, EXGEO CGG Venezuela, and I. Ershaghi, U. of Southern California:" A Method for Pattern Recognition of WOR Plots in Waterflood Management," SPE 93870 Proceedings of the SPE Western Regional Meeting, Mar 30 - Apr 01, 2005, Irvine, California
Ron Bates, Stan Brown, Scott McGurk, Iraj Ershaghi, and Glenn Swanson, "Water control becomes economically attractive to L.A. basin operators." World Oil, July 2004. S. Horner, M. Kamerling and I Ershaghi: "Characterization, 3D Visualization Spur Successful Offshore Redevelopment," World Oil, Dec. 2003
M. Heidari and I. Ershaghi, : Estimation of Micro Fracture support from Analysis of Production Data, SPE 83507, Presented at the 2003 AAPG-SPE Western Regional Meeting, (May 19-22, 2003) Long Beach California
Ershaghi, et al : A Fuzzy Expert System for Detection of By-Passed Intervals in a Geologically Complex Reservoir Using Production Calibrated Well Log Data, Poster paper at the AAPG Annual Meeting in Salt Lake City Utah (May 12, 2003).
U. Wylie, I. Ershaghi and K. Christensen :"A New Diagnostic Method for Prediction of Producibility and Reserves for Fields Producing from the Monterey Formation," SPE Formation Evaluation Journal , Oct. 2002.
Al-Qahtani, Mohammed Y.; Ershaghi, Iraj Characterization and Estimation of Permeability Correlation Structure from Performance Data. AAPG memoir, 1999, vol. 71, pp. 343
Al-Bemani, and I. Ershaghi, "Gas Cap Effects in Pressure Transient Response of Naturally Fractured Reservoirs," SPE Formation Evaluation Journal (1997).
Du and I. Ershaghi,: A Critical Evaluation of Short and Long Range Correlation Methods for Heterogeneous Rocks," Society of Petroleum Engineers Journal, June, 1996.
Alghamdi and I. Ershaghi :" Pressure Transient Analysis of Dually Fractured Reservoirs", Society of Petroleum Engineers Journal, March 1996
J. Acuna, I. Ershaghi, and Y.C. Yortsos, "Practical Application of Fractal Pressure Transient Analysis of Naturally fractured Reservoirs," SPE Formation Evaluation, Sept. 95.
Ershaghi,R. Khachatoorian and Y. Shikari, "Complexities in the Analysis of Pressure Transient Response in Faulted Naturally Fractured Reservoirs," SPE Formation Evaluation, September 1995.
Zahedi, I.I. Ershaghi S. Horner: "Simulation of Lithologicaly Complex and Fracture-Dominated Monterey Production From the South Ellwood Reservoir", SPE 77739 Proceedings of the 2002 Fall Meeting of SPE, San Antonio,TX, Sept 29-Oct.2, 2002.
Ershaghi, H. Syms, J. Barminski, and M. Ibrahim :"Templates for Well Productivity Forecasts in the Monterey Producing Fields Along the Pacific Tidelands and the OCS" Paper presented at the AAPG Pacific Section Joint Meeting held in Anchorage, Alaska, U.S.A., 20-22 May 2002.
Iraj Ershaghi, U. Wylie, K. Boerger, H. Patil: "Technology of Web Based Data Access for Reservoir Monitoring and Tech Transfer", SPE 76782 presented at the SPE Western Regional/AAPG Pacific Section Joint Meeting held in Anchorage, Alaska, U.S.A., 20-22 May 2002.
Anthony Taglieri, Doddy Abdassah, Iraj Ershaghi, Kim Halbert, "A Method for Detection of Untapped Intervals in a Complex Lithology System", SPE 76782 Proceedings of of the SPE Western Regional/AAPG Pacific Section Joint Meeting held in Anchorage, Alaska, U.S.A., 20-22 May 2002.
Lang Zhang, I. Ershaghi:" An Integrated Pipe Network Model for Simulation of Highly Fractured Reservoirs" SPE 71616 Presented at the 2001 SPE Annual Technical Conference and Exhibition held in New Orleans, Louisiana, 30 September-3 October 2001.
Alireza Zahedi, SPE and Iraj Ershaghi, SPE, Steve Horner, "Characterization of Flow Channels, Natural Fractures Orientation and Oil Water Contact Movement From Well Productivity Data:, SPE 76755 presented at the SPE Western Regional/AAPG Pacific Section Joint Meeting held in Anchorage, Alaska, U.S.A., 20-22 May 2002.
Juan A. Anguiano, Iraj Ershaghi, U. of Southern California; Karen I. Christensen: "Mapping Permeability Fields in a Naturally Fractured Reservoir Using Field Performance Data," SPE 68833, Paper Presented at the Western Regional Meting of SPE, Bakersfield CA, March 2001.
J.J. Mondragon, Z. Yang, I. Ershaghi, P.S. Hara S. Bailey R. Koerner, Post-Steamflood Reservoir Management Using a Full-Scale 3D Deterministic Thermal Reservoir Simulation Model, Wilmington Field, California SPE 62571 presentated at the 2000 SPE/AAPG Western Regional Meeting held in Long Beach, California, 19-23 June 2000
Mahnaz Hassibi and Iraj Ershaghi:" Reservoir Heterogeneity Mapping Using an Automated Pattern Recognition Approach," SPE 56818 presented at the 1999 SPE Annual Technical Conference and Exhibition held in Houston, Texas, 3-6 October 1999.
Al-Ghamdi and I. Ershaghi:" Detection of Communication Across Faults in Naturally Fractured Reservoirs," SPE 54588, Paper presented at the SPE meeting in Anchorage, Alaska, May 26, 1999.
Ershaghi and A. Voskanian:" A Conceptual Model for Reservoirs Producing from the Monterey Formation, Offshore California," SPE 54624, Proceedings of the SPE meeting in Anchorage, Alaska, May 27, 1999.
Alkhonifer J., and Ershaghi I.: "Detection of Channel Sands and Vertical Shale Continuity Using a new Approach in Interference Analysis of Parallel Horizontal Wells," SPE, 53928 presented at 1999 SPE Latin American and Caribbean Petroleum Engineering Conference held in Caracas, Venezuela, 21-23 April 1999.
J. Bronson, I. Ershaghi, J. Mondragon, J. and S. Hara :Reservoir Characterization in Steamfloods Using Produced Water Chemistry Data, SPE 54118, Paper Presented at the 1999, International Conference on Heavy oil Recovery, Bakersfield, CA, March, 24, 1999.
Z. Yang , I. Ershaghi, J. Mondragon, and S. Hara: Method for Handling the Complexities Associated with History Matching the Performance of a Highly Stress-Sensitive Formation, SPE 49314, Paper Presented at the 1998 Fall Meeting of SPE, New Orleans, LA.
Yang, Z.M., and Ershaghi, I., Mondragon J, and Hara, S., "Method for Handling the Complexities Associated with History Matching the Performance of a Highly Stress Sensitive Formation", paper SPE 49314 (1998).
Yang, Z.M., and Ershaghi, I., Mondragon J, and Hara, S., "A Simulation Study of Steamflooding in a Highly Stress-Sensitive Heavy Oil Formation", paper047, presented at the Seventh UNITAR International Conference on Heavy Oil Crude and Tar Sands, October 27-30, 1998, Beijing, China
F. A. Sobbi, I. Ershaghi and S. Coombs:" Optimization of Development Strategies for a Turbidite Offshore Reservoir Using Conventional Reservoir Engineering Techniques," SPE 38281 presented at the 1997 Western Regional Meeting of SPE, Long Beach, CA. (June 25, 1997)
P. Amili and I. Ershaghi,:" Correlations for Prediction of Steamflood Oil Recovery in Steam Assisted Gravity-Drainage Process Using Horizontal Injectors,' SPE 38297 presented at the 1997 Western Regional Meeting of SPE, Long Beach, CA. (June 26, 1997).
Y. Akutulu, L.L. Handy, I. Ershaghi and J. Mondragon: " Conceptual Model of FBIIA , Wilmington Field, From Field Performance Data," SPE 38309 presented at the 1997 Western Regional Meeting of SPE, Long Beach, CA (June 25, 1997).
M. Hassibi and I. Ershaghi, :"Characterization of a Complex Turbidite Sequence Using Neural Networks," SPE paper given at the 1996 Annual Meeting of SPE, Denver, CO. (Oct. 8, 1996).
Ershaghi, X. Li and S. Foh: "A Neural Network Approach to Well Test Analysis." International Gas Research Conference, Niece, France, Nov. 12, 1995.
M. Al-Qahtani and I. Ershaghi;." Improvements in the Stochastic Generation of Reservoir Images Using Field Performance Data,: SPE 29671, Presented at the 1995 SPE Western Regional Meeting, Bakersfield, CA.