Abu Dhabi Company for Onshore Oil Operations (ADCO)
Anadarko Petroleum Corp.
BG International Ltd.
BP America Production Co.
CGGVeritas, Inc.
Chesapeake Operating, Inc.
China Petrochemical Technology Co., Ltd. (SINOPEC)
Dawson Geophysical Co./ Vectra Oil & Gas, Ltd.
Denbury Onshore, LLC
Devon Energy Corp.
Eni S.p.A
ExxonMobil Exploration Co.
Fairfield Industries, Inc.
Fugro-Jason Netherlands B.V.
Fusion Petroleum Technologies, Inc.
Geokinetics, Inc.
Hi Point Reservoir Imaging, LLC
IHS Global Inc.
ION Geophysical
Kuwait Oil Company (K.S.C.)
Landmark Graphics Corp. (A Halliburton Company)
Occidental Oil and Gas Corp. (OXY)
Oil and Gas Institute - Cracow, Poland
OYO Geospace
Paragon Geophysical Services, Inc.
Petróleo Brasileiro S.A. (Petrobras)
Repsol YPF
Reservoir Imaging, Inc.
RWE Dea AG
Schlumberger Technology Corp.
Seismic Micro-Technology, Inc. (SMT)
Shell International E&P, Inc.
Talisman Energy, Inc.
TOTAL E&P Recherche Developpement
Transform Software & Services, Inc.
Tundra Oil & Gas Partnership
Whiting Oil & Gas Corp.
Williams Production RMT Co.
Abu Dhabi Co. for Onshore Oil Operations (ADCO)
Anadarko Petroleum Corp.
BG International Ltd.
BP America Production Co.
CGGVeritas Services (U.S.), Inc.
Chaparral Energy, LLC
Chesapeake Operating, Inc.
China Petrochemical Technology Co., Ltd. (SINOPEC)
ConocoPhillips, Inc.
Dawson Geophysical Co./ Vectra Oil & Gas, Ltd.
Denbury Onshore, LLC
Devon Energy Corp.
Eni S.p.A
ExxonMobil Exploration Co.
Fairfield Industries, Inc.
Fugro-Jason Netherlands B.V.
Fusion Petroleum Technologies, Inc.
Geokinetics, Inc.
HiPoint Reservoir Imaging, LLC
ION Geophysical
iReservoir.Com, Inc.
Kuwait Oil Company (K.S.C.)
Landmark Graphics Corp.
Noble Energy, Inc.
Occidental Oil and Gas Corp. (OXY)
Oil and Gas Institute - Cracow, Poland
OYO Geospace
Paradigm Geophysical
Paragon Geophysical Services, Inc.
Petróleo Brasileiro S.A. (Petrobras)
Repsol YPF E&P ABB
Reservoir Imaging, Inc.
RWE Dea.
Schlumberger Technology Corp.
Seismic Micro-Technology, Inc. (SMT)
Shell International E&P, Inc.
Talisman Energy, Inc.
TOTAL E&P Services
Transform Software & Services, Inc.
Triangle Petroleum Corp. (USA) / Elmworth Energy
Tundra Oil & Gas Partnership
Whiting Oil & Gas Corp.
Williams Production RMT Co.
AbuDhabi Co. for Onshore Oil Ops. (ADCO)
Anadarko Petroleum Corporation
Baker Hughes Oilfield Operations
BP
Chevron Energy Technology Co.
China Petrochemical Technology Co.
Dawson Geophysical Co. / Vecta Exploration Ltd.
Devon Energy Corp.
Elmworth Energy Corp.
EnCana Oil & Gas (USA), Inc.
ExxonMobil Exploration Company
Fairfield Industries, Inc.
Fugro-Jason Inc.
Fusion Petroleum Technologies, Inc.
Grant Geophysical Corp./Solid State
Input/Output, Inc. ~ GX Technology
iReservoir.Com, Inc.
Kerr-McGee Oil & Gas Onshore LP
Landmark Graphics Corp./Halliburton
Oil and Gas Institute of Poland Cracow, Poland
OXY USA WTP LP (Occidental Oil and Gas)
OYO Geospace
Paradigm Geophysical
Petróleo Brasileiro S/A (Petrobras)
Pinnacle Technologies
Repsol YPF E&P – ABB
Schlumberger Technology Corp.
Shell International E&P, Inc.
Total E&P Services
Transform Software & Services, Inc.
Veritas DGC, Inc.
Whiting Oil & Gas Corp.
Williams Production RMT Co.
