Major oil companies

• AGIP
• Amoco
• ARCO
• BHP Petroleum (Australia)
• British Petroleum Company
• Chevron
• Conoco
• Elf Aquitaine
• Esso
• Fina
• Mobil
• Norsk Hydro
• Oryx Energy Company
• Petrobas
• Phillips Petroleum Company
• Shell Development Company (USA)
• Shell Research and Technology Centre
• Statoil (Norway)
• Texaco
• Triton Energy
• Unocal

  

  Relevant service companies

• APT-Applied Petroleum Technologies Ltd
• Cambrian Group
• CogniSeis
• Core Laboratories
• DGSI
• Dresser
• GeoGraphix
• Geology and Energy Analysis
• Geomath
• Geomatics International
• Halliburton Energy Services
• Intera Information Technologies - Petroleum Division
• Integrated Solutions Australasia
• Landmark Graphics
• Malibu Engineering
• Merak Projects
• Paradigm Geophysical
• PetroConsult - International Geoscience Consultants
• Platte River Associates Inc.
• Prism Technologies
• Reeves Wireline
• Schlumberger
• Scott Pickford Group
• Terrasciences
• The Z and S Group

  For a comprehensive listing of companies on the internet try William Quinlivan's excellent list of sci.geo.petroleum Internet Resources.

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