Oil and Gas Companies All Over The World

Abu Dhabi National Oil Company (ADNOC).

AGIP (Azienda Generale Italiana Petroli) since 1998 ENI-Agip Exploration and Production.

Alliance Gas (now: STATOIL).

Amerada Hess.Anadarko.

Anglo Siberian Oil Company plc.

Anonima Petroli Italiana (API)

AnzoilARCO (Atlantic Richfield Company) = BP-Amoco.

Aruba Petroleum.

Australian Oil & Gas Corporation Ltd.

Australian Worldwide Exploration LimitedBay State Gas.

BEB (Hannover).

Bentec Drilling (Preussag DE).Benton Oil & Gas Company.

BG Group (British Gas)

.Bharat Petroleum.

BHP Billiton.BJ Services Company.

Black Hills Exploration and Production.

Bligh Oil & Minerals (AU).

Bow Valley Energy Ltd.

(US).BP Amoco ARCO.

Bula Resources (Ireland).

Cabot Oil & Gas Corporation.

Cairn Energy PLC (Scotland).

Caltex Petroleum Company.

CanArgo Energy.

CanBaikal Resources Inc.

Chevron.ChevronTexaco.

Chieftain International (now: Huntoil).

Chinese Petroleum Corporation (Taiwan TW).

Compagnie Générale de Géophysique (CGG).CONOCO (US) (incl. Gulf Canada).

ConocoPhillips.CSIRO Exploration and Mining.

Dana Petroleum plc.Deutag Drilling (Preussag DE) (now: KCA DEUTAG Drilling Limited)Devon Energy Corporation (US) (incl. Santa Fe Snyder Corporation, PennzEnergy).

Dominion Exploration & Production.Elf Aquitaine (TOTAL FINA ELF).

Empresa Colombiana de Petróleos (ECOPETROL).

Empresa Nacional del Petróleo - Chile (ENAP).

Encana.Energy Africa EA.Eni.Enterprise Oil plc. (UK).

Equity Oil Company.ESSO DeutschlandEvergreen Resources (US)ExxonMobilFINA (now: