Corporate lineage · Archive
Who acquired whom.
From Texas wildcatters to Permian super-majors. Trace an operator through decades of acquisitions and name changes.
The Chains
A few of the deepest chains.
Each arrow is a recorded acquisition or merger. Click any node to open its brief.
From TEXACO INC.
From PENNZOIL-QUAKER STATE COMPANY
From ATLANTIC RICHFIELD COMPANY
From AMOCO PRODUCTION COMPANY
From MOBIL OIL CORPORATION
Acquisitions on record.
- 01Coterra EnergyDevon Energy
- 02Civitas ResourcesSM Energy
- 03Vital EnergyCrescent Energy
- 04Sitio RoyaltiesViper Energy
- 05Encino Acquisition PartnersEOG Resources
- 06Double Eagle IVDiamondback Energy
- 07Ridgemar EnergyCrescent Energy
- 08Concho Resources Inc.ConocoPhillips
- 09Equitrans Midstream CorporationEQT Corporation
- 10XCL Resources, LLCSM Energy Company
The directory. Every company in alphabetical order.
Showing top entries per letter. Use the search above for the full index: 3,340 companies total, with lineage tracing on every page.
A
- A & J Oil Company
- A & K Petroleum Company
- A. F. D. Capital Group Inc.
- A-1 Bit & Tool
- A-2 Acquisitions Partnerships (1996 & 1997)
- A-2 Development and Production Company
- A-2 Energy and Exploration Partners, LLC
- A-2 Exploration Corp.
B
- B & B Drilling Company
- Babcock & Brown Energy Inc.
- Babylon Oil Corp.
- Baca Petroleum, Ltd.
- Baca Resources, Ltd.
- Baily, Vinson & Marion
- Bakersfield Fuel and Oil Co.
- Balco Energy Corp.
C
- C & K Petroleum, Inc.
- C.J. Company
- Cabot Carbon Company
- Cabot Corporation
- Cabot Oil & Gas Corporation
- Cachuma Drilling Corporation
- Caim Energy USA
- Cal Dive International Inc.
D
- Dabros Properties, Inc.
- Dalco Oil Company
- Daleco Resources Corporation (L.A., CA)
- Dalen Resources Oil & Gas Co.
- Dallas Oil & Minerals, Inc.
- Damson Oil Corporation
- Danciger
- Daugherty Resources Inc.
E
- E.P. Operating
- Eagle Chief Royalty Company
- Eagle Mountain Energy Corp.
- EAI Acquisition Company Inc.
- Earlsboro Energies
- Earlsboro Energies Corp.
- Earlsboro Energy Corporation
- Earlsboro Oil and Gas Corp.
F
- F & M Oil Company
- F & P
- Fain Porter Production Company
- Fairbanks and Haas Inc.
- Falcon Seaboard
- Fargo Oils LTD.
- Farmer, Ed & Associates, Inc.
- Farmers Union Central Exchange, Inc.
G
- G.L.M. Oil and Gas Company (Wyoming)
- GAE Corp.
- Galena-Signal Oil Company
- Gallant Oil Company
- Galvest, Inc.
- Garnet Resources
- Garrett & Co. (Oklahoma City)
- Gas Producing Enterprises, Inc.
H
- H&H Star Energy, Inc.
- H.P. Oil & Gas Properties, Inc.
- H-30 Drilling Inc.
- Hadson Energy Resources Corp.
- Hadson Ohio Oil Company
- Hadson Petroleum Corporation
- Hallador Exploration Company
- Hallador Petroleum Company
I
- Ibex
- Ibex & Windfohr
- Ibex Resources Company, LLC
- ICOS Energy Corp.
- IDC Energy Corp.
- IEI Exploration, Inc.
- IES Industries, Inc.
- III Exploration Company
J
- J & B Royalty Company
- J. P. Oil Company Inc.
- J. P. Oil Company LLC
- J.O.C. Operating, Inc.
- Jackalope-New Mexico Oil Co.
- Jade Resources, Inc.
- Jal Oil Company
- James Energy Management, Inc.
K
- K. Stewart Petroleum Corporation
- K.E. Resources Ltd.
- K.R.M. Petroleum Corp.
- K2 Energy Corp.
- Kaiser Resources
- Kaiser-Francis Oil Company
- Kallispell Glacier Park Company
- Kaneb Energy Company
L
- L F Oil
- L L & E
- L L & E Royalty Trust
- L. and V. Oil Company
- Lacy & Byrd, Inc.
- Lacy Ranch Petro Corp.
- Ladd & Lukowicz, Inc.
- Ladd Petroleum Corp.
M
- M & M Production Co.
- M.A.T. Oil & Gas Exploration, Inc.
- MA Resources Company, LLC
- Macbois Realti, Inc.
- MacDonald Oil Corporation
- Mack Energy Company
- MacOil & Gas International (Spring, TX)
- Madison Energy Corp.
N
- N.E. Financial Inc.
- Nabors Industries, Inc.
- Nadel and Gussman, Inc.
- Nalley Steel
- Nance Petroleum Corporation
- Nanome Aggregates Inc.
- National Energy Group, Inc.
- National Exchange, Inc.
O
- O.E.I. Trust, The
- O.E.I., L.L.C.
- Occidental Oil and Gas Corp. USA
- Occidental Petroleum Corp.
- Occidental Petroleum Ltd. (Canada)
- Ocean Drilling & Exploration
- Ocean Energy Resources, Inc.
- Ocean Energy, Inc.
P
- P & O Falco, Inc.
- P & O Oil Corporation
- P & P Producing Inc.
- P & P Producing Texas, Inc.
- P O R Oil & Gas Inc.
- P.P.M. Investments (USA), Inc.
- Pacer Development
- Pacer Petroleum Inc.
Q
- Quaker State Oil Company
- Quanah Petroleum, Inc.
- Quarles Drilling Corporation
- Quasar Tech, Inc.
- Quay Valley Inc.
- Que West Resource, Inc.
- Quebec Affiliates (North America), Ltd.
- Queen Sand Resources Inc.
R
- Rainbow Resources, Inc.
- RAM Energy Resources, Inc.
- Ram Energy, Inc.
- Ram Oil & Gas LLC (Dallas)
- Ram Operating, Inc.
- Ramco Corporation
- Ramco Inc.
- Ramco-NYL-1987 Limited Partnership
S
- Saba Petroleum Corp.
- Sabacol Inc.
- Sabine Corporation
- Sabine Production Company
- Sabine Royalty Corporation
- Salamander Energy PLC
- Salamon Inc.
- Salt Lake Refining Company
T
- T & L Oil Company
- Taeping Company
- Talisman Energy, Inc.
- Tall Grass Services, LLC
- Tamborine Holdings Inc.
- Tamm Oil & Gas Corp.
- Tana Production Corporation
- Tandem Energy Holding, Inc.
U
- U.S. Energy Corp.
- U.S. Minerals Exploration
- U.S. Oil
- U.S. Smelting Production Co.
- U.S. Steel Corp.
- U.V. Industries
- Ultramar Corporation
- Ultramar Diamond Shamrock Corp.
V
- VAL Energy, Inc.
- Valero Energy Corporation
- Vantage Point Energy, Inc.
- Vantas Energy Corp.
- Varco International, Inc.
- Varn Oil Company
- Vastar Resources, Inc.
- Vaughn Management, Inc.
W
- W & T Offshore, Inc.
- Wacker Oil Inc.
- Wagner Oil Company
- Wahlenwier Oil Company
- Wainoco Oil Corp.
- Walker Energy Partners, MLP
- Waller County Minerals Company
- Ward Petroleum Corp.
X
Y
- Yankee Production Corporation
- Yankee Resources, Inc.
- Yates Petroleum Corp.
- YNB Oil and Gas Inc.
- York & Harper
- Young, Marshall R.
- Yount-Lee Oil Company
- Yukon Trading Company, LLC
Z
- Zapata & Statco
- Zapata Corp.
- ZBX, Inc.
- ZCA Gas Gathering, Inc.
- Zenergy Inc.
- Zenergy Operating Company LLC
- ZG Energy Corporation
- Zilkha Energy Company
a name on a lease is rarely the name that holds it today.
Trace the chain to the name that answers.
The directory is a free, open archive of 3,328 oil & gas transactions: target and acquirer name-pairs you can walk backward to find who a company became. No account, no search box to unlock.
Once you have the current entity, the county records directory tells you where that county keeps its deed and lease index, and the permit tracker shows what that operator is filing now.