Divestitures

2021 - Undisclosed Seller
Sale of Certain Permian Assets to Undisclosed Buyer
2019 - Jetta Operating Company
Sale of Certain Texas Gulf Coast Assets to Undisclosed Buyer
2017 - Badlands Energy, Inc.
Sale of Oil and Gas Properties Pursuant to Section 363 of U.S. Bankruptcy Code
2017 - Northstar Offshore Group
Sale of Oil and Gas Properties Pursuant to Section 363 of U.S. Bankruptcy Code
2016 - Linc USA GP
Sale of Oil and Gas Properties Pursuant to Section 363 of U.S. Bankruptcy Code
2016 - RAAM Global Energy
Sale of Oil and Gas Properties Pursuant to Section 363 of U.S. Bankruptcy Code
2015 - Dune Energy, Inc.
Sale of Oil and Gas Properties Pursuant to Section 363 of U.S. Bankruptcy Code
2015 - Longview Energy Company
Sale of Certain California Properties to White Knight Production LLC
2011 - Cortez Resources
Sale of Certain Eagle Ford Shale Assets to Carrizo Oil & Gas
2011 - Cortez Resources
Sale of Certain Eagle Ford Shale Assets to Comstock Resources
2011 - Cortez Resources
Sale of Certain Eagle Ford Shale Assets to Undisclosed Buyer
2011 - Cortez Resources and Sierra Buckeye
Sale of Certain Eagle Ford Shale Assets to Chesapeake Energy
2011 - Cortez Resources and Sierra Resources, LLC
Sale of Certain Eagle Ford Shale Assets to Riley-Huff Energy Group, LLC
2011 - The Diocese of Wheeling-Charleston
Sale of Leases for West Texas Mineral Rights
2011 - GHK Exploration (Texas) LLC
Sale of Eagle Ford Shale Assets to Marathon Oil Corporation
2010 - Bigler LP (Bigler Chemical, LP)
Sale of Basic Liquid Inorganic and Organic Chemicals Marketing subsidiary to Shieve Chemical Company Pursuant to Section 363 of U.S. Bankruptcy Code
2010 - Bigler LP (Bigler Land LLC)
Sale to Intercontinental Terminals Company Pursuant to Section 363 of U.S. Bankruptcy Code
2010 - Bigler LP (Bigler Specialty Oils)
Sale of Technical Mineral Oils, FDA White Oils, and High Purity Hydrocarbon Solvents Marketing subsidiary to Resolute Oil, LLC Pursuant to Section 363 of U.S. Bankruptcy Code
2010 - Bigler LP (Bigler Terminals, LP & Bigler Petrochemical, LP)
Sale of its Tank Leasing & Logistics Services and Isobutylene Manufacturing subsidiaries to Enterprise Products Operating LLC Pursuant to Section 363 of U.S. Bankruptcy Code
2010 - Clearwater Natural Resources
Sale of Substantially All Assets as well as the Assumption of All Reclamation Liabilities by International Resource Partners LP as Part of a Chapter 11 Plan of Reorganization
2010 - Cortez Resources
Sale of Certain Eagle Ford Shale Assets to Penn Virginia Oil & Gas, L.P.
2010 - Edge Petroleum Corporation - $260,000,000
Sale of all Subsidiaries and Operations to Mariner Energy Pursuant to the U.S. Bankruptcy Code
2010 - Patriot Resources Partners LLC
Sale of Oil and Gas Properties to Linn Energy and Rising Star Energy
2008 - T-Rex Companies
Sale of All Permian Basin Oil & Gas Assets to Enervest Energy Institutional Fund XI
2006 - Chief Holdings LLC - $480,000,000
Sale of Midstream Assets to Crosstex Energy LLP
2006 - Chief Oil and Gas - $2,200,000,000
Sale of Company to Devon Energy
2005 - Latigo Petroleum - $750,000,000
Company Sale to Pogo Producing
2004 - Bravo Natural Resources - $335,000,000
Sale of Mid-Con Assets to Chesapeake Energy
2004 - Encana Corporation - $2,000,000,000
Sale of Deepwater Gulf of Mexico Assets to Statoil
2003 - El Paso E&P - $752,000,000
Sale of Assets in Gulf of Mexico, South Texas, ArkLaTex, MidCon and the Rockies
2002 - Bravo Natural Resources - $119,000,000
Sale of Mid-Con Assets to Patina Oil & Gas
2001 - International Paper Company - $300,000,000
Conveyance of its Subsidiary IP Petroleum Company, Inc. to Pure Resources, Inc.
2000 - Collins & Ware, Inc. - $68,500,000
Asset Sale to Apache Corp.
2000 - Costilla Energy - $133,300,000
Advisor to Debtor in Chapter 11 363 Sale of Certain Assets to Louis Dreyfus Natural Gas
2000 - Crescendo Resources, L.P.
Sale of Mid-Con Assets to Apache Corp.
2000 - Texaco Inc. - $450,000,000
Asset Sale to Various Companies
1999 - Atlantic Richfield Company - $100,000,000
Divestiture of ARCO Long Beach, Inc. to Occidental Petroleum Corporation
1999 - Petsec Energy - $68,500,000
Asset Sale to Apache Corp.
1999 - Titan Exploration, Inc. - $71,300,000
Sale of Gulf of Mexico assets to Coastal Oil & Gas Corporation
1999 - The Wiser Oil Company - $28,000,000
Divestiture of certain Appalachian Properties to Columbia Natural Resources
1998 - Duer Wagner & Company - $40,500,000
Asset Sale to Samson Resources
1998 - H S Resources - $155,000,000
Sale of Mid-Con Properties to Questar Corporation
1998 - Institutional Investors - $38,000,000
Sale of Oil and Gas Properties to Ocean Energy, Inc.
1998 - John Hancock Mutual Life Insurance - $40,500,000
Divestiture of Certain Oil and Gas Assets to Ocean Energy, Inc.
1997 - Department of Energy - $3,650,000,000
Asset Sale of Elk Hills to Occidental Petroleum
1997 - Institutional Investors - $29,000,000
Sale of Gulf Coast and Mid-Con Assets to Domain Energy Corporation
1997 - Institutional Investors
Sale of Gulf of Mexico and Permian Assets to Wynn-Crosby Energy, Inc.
1997 - Institutional Investors - $35,000,000
Sale of Mid-Con and Rocky Mountain Assets to UMC Petroleum Corporation
1997 - Santa Fe Energy Corporation - $854,000,000
Spin-Off of Monterey Resources
1997 - Torch Energy Advisors Inc. Institutional Investors - $210,000,000
Sale of Their Respective Interests in Certain Oil & Gas Partnership Programs to Bellwether Exploration Company
1997 - Vessels Energy, Inc. - $85,000,000
Sale of Its D-J Basin Assets to North American Resources Company
1997 - Western Mining Corporation - $270,000,000
Sale of Its U.S. Subsidiary, Greenhill Petroleum Corporation, to MESA Inc.
1996 - Bannon Energy Inc. - $35,900,000
Sale of Company Assets to Lomak Petroleum, Inc.
1996 - Basin Exploration, Inc. - $123,500,000
Sale of D-J Assets to HS Resources, Inc.
1996 - Edisto Resources - $50,000,000
Sale of Gas Marketing Assets
1996 - Gulfstream Resources, Inc. - $77,000,000
Sale of Stock to Burlington Resources, Inc.
1996 - Marsh Operating Company
Sale of Acreage Properties to Anadarko Petroleum Corporation
1996 - Marsh Operating Company - $26,100,000
Sale of Oil & Gas Properties to Seagull Energy Corporation
1996 - PMC Reserve Acquisition Company
Sale of Its Oil & Gas Interests in Tiger Field, Mississippi to Apache Corp.
1996 - PMC Reserve Acquisition Company - $119,700,000
Sale of Oil & Gas Properties to Questar Corporation
1996 - Reunion Resources Company - $11,600,000
Sale of Oil & Gas Properties to Tribo Petroleum Corporation
1996 - Shell Western E&P
Sale of Certain Gulf Coast Assets
1996 - Tenneco Energy, Enron Gas Gathering, Inc., and Dauphin Island Gathering Company, L.P.
Sale of Their Respective Interests in Dauphin Island Gathering Partners to MCN Investment Corporation
1995 - Equitable Resources, Inc. - $17,300,000
Sale of Appalachian Gas Properties to EnerVest Management Company and GE Capital
1995 - The Prudential Insurance Company of America and Collins & Ware, Inc. - $20,200,000
Sale of Certain Oil & Gas Properties to Louis Dreyfus Natural Gas Corporation
1995 - Snyder Oil Corporation - $18,500,000
Sale of D-J Basin GTM Facilities
1995 - Snyder Oil Corporation - $60,000,000
Sale of Wattenberg GTM Facilities to Associated Natural Gas
1995 - Sun Life of Canada
Sale of Certain Oil & Gas Properties
1994 - Offshore Energy Development Corporation - $54,000,000
Sale of Certain Mobile Bay Oil & Gas Properties to SCANA Petroleum Resources
1994 - Patrick Petroleum Company - $16,100,000
Sale of Oil & Gas Properties to Unit Corporation
1994 - Santa Fe Energy Corporation - $51,000,000
Sale of Certain Oil & Gas Properties to Bridge Oil (USA)
1993 - American Exploration Company - $18,000,000
Divestiture of Certain Canadian Oil and Gas Properties to Equitable Resources
1993 - Barrett Resources Corporation - $18,000,000
Sale of Certain Wattenberg Field Interests to Snyder Oil Corporation
1993 - Federal Petroleum Corporation - $5,000,000
Sale to Management
1993 - NICOR Oil & Gas Corporation
Sale of its Subsidiary, NICOR Exploration and Production Company, to SCANA Petroleum Resources, Inc.
1993 - Santa Fe Energy Corporation - $48,000,000
Sale of Certain Oil & Gas Properties to Vintage Petroleum
1993 - Triton Energy - $18,700,000
Sale of Oil & Gas Properties to Torch Energy Advisors Inc.
1992 - Maxus Energy Corporation
Sale of Its Interest in the Alpha Field to Swift Energy Company
1992 - NERCO Oil & Gas, Inc.
Exchange of Certain Oil & Gas Properties with Aquila Energy
1992 - NERCO Oil & Gas, Inc. - $6,800,000
Sale of Certain Gulf of Mexico Oil & Gas Properties to Nomeco Oil & Gas Company
1992 - NERCO Oil & Gas, Inc. - $32,000,000
Sale of Its Interest in the Trimble Field to SCANA Petroleum Resources, Inc.
1992 - NICOR Oil & Gas Corporation
Sale of Certain Gas Gathering Assets to Vessels Oil & Gas Company
1992 - NICOR Oil & Gas Corporation
Sale of Reliance Pipeline Company to Transok, Inc.
1992 - Paramount Petroleum
Sale of Its Exploration Division and Certain Exploration Prospects to Nuevo Energy Company
1991 - Apache Corporation
Divestiture of Certain Oil and Gas Properties to General Atlantic Resources, Inc. and Vessels Oil & Gas Company
1991 - Apache Corporation
Divestiture of Its Interest in the Spindle Gas Plant and the Spindle Field to Associated Natural Gas Corporation
1991 - Maxus Energy Corporation - $64,000,000
Sale of Substantially all of Its Rocky Mountains Oil & Gas Properties to Equitable Resources
1991 - Pacific Enterprises Oil Company (USA)
Sale of Oil & Gas Properties to American Exploration Company
1991 - Pacific Enterprises Oil Company (USA)
Sale of Oil & Gas Properties to Oklahoma-Pacific, Ltd.
1991 - Pacific Enterprises Oil Company (USA)
Sale of Oil & Gas Properties to Sonat Exploration Company
1989 - Howell Corporation
Sale of Certain Oil and Gas Assets
1989 - The Louisiana Land & Exploration Company
Exchange of Certain Oil & Gas Properties with BP Exploration
1989 - The Louisiana Land & Exploration Company
Sale of Oil & Gas Properties to Amerada Hess Corporation
1989 - The Louisiana Land & Exploration Company
Sale of Oil & Gas Properties to Bonneville Fuels Corporation
1989 - The Louisiana Land & Exploration Company
Sale of Oil & Gas Properties to Energy Development Corporation
1989 - The Louisiana Land & Exploration Company
Sale of Oil & Gas Properties to Meridian Oil Holdings Inc.
1989 - The Louisiana Land & Exploration Company
Sale of Oil & Gas Properties to Samedan Oil Corporation
1989 - Pacific Enterprises Oil Company (USA)
Sale of Oil & Gas Properties to BEREDCO, Inc.
1989 - Pacific Enterprises Oil Company (USA)
Sale of Oil & Gas Properties to Black Hawk Oil Company
1989 - Pacific Enterprises Oil Company (USA)
Sale of Oil & Gas Properties to Snyder Oil Company
1989 - Union Pacific Resources Company
Sale of Certain Oil and Gas Assets to Berenergy Corporation
1989 - Union Pacific Resources Company
Sale of Certain Oil and Gas Assets to Swift Energy Company
1988 - Alcoa Aluminum Company - $65,500,000
Sale of Oil and Gas Properties to Formosa Plastics
1988 - BP America Incorporated - $55,000,000
Sale of Oil and Gas Properties to Presidio Oil Company
1988 - Cleveland Cliffs Inc. - $42,000,000
Spin-off of Cliffs Drilling Company
1988 - Kirby Corporation - $65,000,000
Sale of Oil and Gas Assets of Kirby Exploration Inc. to American Exploration Company
1988 - ONEOK - $45,000,000
Sale of Oil & Gas Properties to Mustang Energy
1988 - Pegasus Holding Corporation
Sale of Oil and Gas Properties to Amerada Hess Corporation
1988 - Pegasus Holding Corporation
Sale of Oil and Gas Properties to Graham Royalty, Ltd.
1988 - Pegasus Holding Corporation
Sale of Oil and Gas Properties to Shell Oil Company
1988 - Pegasus Holding Corporation
Sale of Oil and Gas Properties to Universal Resources Corporation
1988 - Sun Company, Inc.
Spin-off of Sun Exploration and Production Company
1987 - Atlantic Richfield Company
Sale of 36.5% Interest in the Headlee Devonian Unit to Amoco Corporation
1987 - Atlantic Richfield Company
Sale of Oil and Gas Properties to Hondo Oil & Gas Company
1987 - Marion Corporation
Sale of Oil and Gas Assets to Santa Fe Energy Resources, Inc.
1987 - PPG Industries, Inc.
Sale of Michigan Oil and Gas Operation to Marathon Oil Company
1987 - Union Texas Petroleum - $60,000,000
Sale of Oil and Gas Properties to American Exploration Company
1986 - Atlantic Richfield Company
Sale of Oil and Gas Properties to Maple Corporation
1986 - Sun Company, Inc. - $850,000,000
Sale of Oil and Gas Properties to Various Purchasers
1986 - Texaco Inc.
Sale of Northeast Pipe Lines and Terminals to The Coastal Corporation
1985 - Allied Corporation - $1,700,000,000
Sale of 50% Interest in Union Texas Petroleum to Kohlberg Kravis Roberts & Company Investor Group
1985 - Fluor Corporation - $190,000,000
Sale of Oil and Gas Operations to Houston Industries
1985 - Marathon Oil Company - $105,000,000
Sale of California Properties to Shell Oil Company
1985 - Occidental Petroleum Corporation - $30,000,000
Sale of Lathrop Gas Field to Texas Oil & Gas Corporation
1985 - Texaco Inc.
Sale of 40% Interest in Wyco Pipeline to Mobil Corporation
1985 - Texaco Inc. - $43,000,000
Sale of Eagle Point Refinery Complex to The Coastal Corporation
1985 - Texaco Inc. - $95,000,000
Sale of Northeast Marketing Activities of Getty Oil Company to Power Test Corporation
1985 - Triton Energy Corporation
Disposition of Interests in Sundance Energy Company
1984 - Consolidated Oil & Gas, Inc. - $45,000,000
Sale of Oil and Gas Properties to Natural Resources Management Corporation
1983 - The Louisiana Land & Exploration Company - $247,000,000
Spin-off of Louisiana Land Royalty Trust and Proxy Contest (Defeated) with The Louisiana Land Committee for New Management
1978 - Tesoro Petroleum - $80,000,000
Sale of Oil and Gas Properties to Shell Oil, Damson Oil, Norcen Energy, Petro-Lewis and Others