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PAN GEO ATLAS CORPORATION
Merged with Lane-Wells Company by Dresser Industries to form Dresser Atlas in 1968.



INTERCOAST OIL AND GAS COMPANY
Acquired by KCS Energy in 1997



SUPERIOR OIL COMPANY LIMITED
Amalgamated when parent corporation Mobile merged with Exxon in December 1998 to form ExxonMobil Corporation.



FARRAR OIL COMPANY
Assets acquired by Continental Resources of Illinois Inc in June 2001.



RANCHGATE ENERGY INC
Acquired by Clear Energy Inc in August 2004.



ADDISON ENERGY INC
Acquired by EXCO Resources Inc. for $51.3 million (Canadian) in April 2001.



HAMAD AL-HAMAD & PARTNERS COMPANY
Changed name to Burgan Company For Well Drilling Trading And Maintenance K.S.C.C.



AIR DRILLING SERVICES INC
Acquired by Weatherford International, Inc. in 1999



LINAPACAN OIL GAS AND POWER CORPORATION - LOGPOCOR
Acquired from Vaalco Energy Inc in 2006.



ARGONAUTS GROUP LIMITED
Changed name to Cequel Energy Inc. in 2002.



AURIC RESOURCES LTD
Name changed to Chancellor Energy Resouces Inc.



BARON OIL CORPORATION
Acquired by Sonoran Energy in August 2004.



BULLDOG ENERGY INC
Acquired by Crescent Point Energy Trust in 2005.



CADENCE RESOURCES CORPORATION
Reverse merger completed in 2005 with Aurora Energy. See Aurora Oil & Gas Corporation



CALEX RESOURCES LTD
Amalgamated with Beau Canada Exploration Ltd in October 1994



CAN-AM DRILLING LIMITED
Acquired by Trinidad Energy Services Income Trust in October 1999



CANEX ENERGY INC
Acquired by Crescent Point Energy Trust in 2006



DEEP RESOURCES LIMITED
Acquired by Choice Resources Corporation in July 2006.



CONSOL PA COAL CO LLC
Operating subsidiary of CONSOL Energy Inc.



COUGAR INDUSTRIAL LTD
Acquired by StarPoint Energy Ltd in 2003



PTTEP ME COMPANY OMAN LIMITED
See PTT Exploration And Production Public Company Limited.



PTTEP IRAN COMPANY LIMITED
See PTT Exploration And Production Public Company Limited.



CRISPIN ENERGY INC
Acquired by Pengrowth Energy Trust in 2005.



DI INDUSTRIES INC
Changed its name to Grey Wolf Inc in October 1997. See Grey Wolf Drilling Company LP



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HQ HQ/Plant Plant Office XRef
 
 
800-829-2002