4D Constortium Industry Relationships

The following oil companies are members of the 4D Consortium:

• Amoco (User login required.)
• Chevron (User login required.)
• Exxon
• Norsk Hydro
• Pennzoil (User Login required.)
• Shell Oil (User login required.)
• Statoil
• Texaco (User login required)
• Unocal (User login required)