3Tec Energy Corp. 52 A2D Technologies 29 Agip 44, 82, 83 Alberta Energy Co. Ltd. 67, 86 Alberta Energy Corp. 14, 15 Allegro Development 55 Allegro Investments Inc. 76 Alpar Resources Inc. 78 Amerada Hess 41 American International Petroleum Corp. 88 Amoco Production Co. 79-80 Anadarko Petroleum ...
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