Client List

• Current or Past Clients (A-J)

3 River Operating Co, LLC
Aera Energy LLC
Angus Energy, Inc
Arthur D. Little
Berry Petroleum
Blackwell BMC LLC
Blade Energy Partners
BG Group (Algeria)
California Oil and Gas Corp
Chevron Corp
Compania General de Combustibles S.A. (Argentina)

COG Operating, LLC
ConocoPhillips Co
Cypress Minerals, LLC
DeGolyer and MacNaughton
Devon Energy Corp
Eagle Oil and Gas
El Paso Petroleo do Brasil Ltda
El Paso Production Oil & Gas Co
Emerald Energy, LLC (USA)
Emerald Energy Resources Ltd (Nigeria)
EnCana Corp (now Ovintiv Inc.)
ExxonMobil
GPA Energy S.A. de C.V. (Mexico)
Green River Energy Resources
Gujarat State Petroleum Corporation (India)
Gulf Keystone Petroleum Ltd (Algeria)
HRT Africa Petroleo S.A. (Namibia)
Harding Company
Hardy Expl. & Production (India) Inc.
Hardy Oil & Gas Ltd (UK)
Helix (UK)

Hilcorp (Alaska)
Hunt Oil Co
Hunt Overseas Oil Co (Peru and Kurdistan)
Hyperion Resources, Inc (Iraq and Kurdistan)
IHS Energy
IPR Group Inc (Syria, Egypt, Colombia)
Jannah Hunt Oil Co (Yemen)
Jonah Energy

Julifield (Poland)

• Current or Past Clients (K-Z)

Kerr McGee Corp
Lewis Petro Properties
Lewis Energy Colombia
Lewis Energy Mexico S. de R.L. de C.V
Linn Energy LLC
Michigan Potash
NPC Engineering Group
Newfield Exploration
Occidental Oil and Gas Corp
Oil and Natural Gas Corp - ONGC (India)
Oilfield Petroleum Consultants, Ltd (UK)
Oliver Wyman Group

OPC (Argentina, Italy)

Parallel Petroleum
Petro Matad (Mongolia)
Petro-SPM (Mexico)

Pluspetrol S.A. (Argentina)
Pluspetrol Angola S.A.
Pluspetrol Bolivia Corp S.A.
Pluspetrol Peru Corp S.A.
Pluspetrol International S.A. (D.R. Congo)
Prime Rock Resources, LLC
Repsol / YPF
Rock Well Petroleum Inc
Sentinel Peak Resources
Shell International E&P
Shona Energy LLC (Peru)
Sitelark LLC (Libya)

Stratum Romania
Talisman (Colombia) Oil & Gas Ltd
Talisman (Kurdistan) B.V.
Talisman (Peru) Ltd
Talisman (Trinidad) Petroleum Ltd
Tap Energy (Brunei)
Texas A&M Engineering Experiment Station
Victoria Oil & Gas Ltd
Waltersmith Petroman Oil Ltd (Nigeria)
Weinman Geoscience
WPX Energy, Inc
YPFB (Bolivia)
YPFB Chaco S.A. (Bolivia)
YPFB Andina S.A. (Bolivia)