Clients
- ABA Energy Corporation
- Aera Energy LLC
- Battelle Memorial Institute
- Bonanza Creek Operating Company
- Bright Dot Oil and Gas LLC
- CalEnergy Operation Corporation
- Calpine
- Capitol Oil Corporation
- Carneros Energy, Inc.
- Century Exploration Resources, Inc.
- Chevron, U.S.A.
- Cirque Resources
- Compagnie Generale de Geophysic
- Concordia Resources, Inc.
- Continental Resource Solutions, Inc.
- Daybreak Oil & Gas
- Driltek, Inc.
- E&B Natural Resources
- Eagle Geophysical, Inc.
- Eagle Operating Company/Hanwha
- EnCana
- Foothills California, Inc.
- Gasco Energy, LLC
- Geokinetics, Inc.
- GeoPetro Resources Company
- Hess Corporation
- Incremental Oil & Gas LLC
- Incremental Petroleum
- Innex
- Irani Engineering
- Legacy Energy, Inc.
- Longbow, LLC
- Macquarie Energy
- Maverick Petroleum
- Medley Oil & Gas LLC
- Naftex Operating Company
- Orion USA
- OXY USA, Inc./Vintage
- P&M Cedar Products, Inc.
- Pacific Energy Resources Ltd
- Padula Lumber Company
- Paul Graham Drilling
- Petrogulf Operating Company
- Red Willow Production Company
- Rincon Energy
- Rincon Energy Partners, LLC
- Rio Delta Resources
- Rosetta Resources
- Salinas Energy Corporation
- Slawson Exploration Company, Inc.
- Sojitz Energy Venture, Inc
- Stream Energy
- Sunset Exploration
- Tamarack Oil & Gas LLC
- Texas Industries, Inc.
- The Conservation Fund
- Trendwell Energy
- Trio Petroleum
- U.S. Timberlands, LLC
- Vaquero Energy
- Venoco, Inc.
- Venture Oil and Gas, Inc.
- Wood-Claeyssens Foundation
- Zodiac Energy LLC