List of the Largest Acquired Oil/Gas Exploration Companies in Texas

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
Pioneer Natural Resources Acquired ExxonMobil 2023-10-11 $64.5B Irving, Texas, United States website	Oil/Gas Exploration	24,384	8	4	4
Southwestern Energy Acquired Chesapeake Energy 2024-01-11 $7.4B Spring, Texas, United States website	Oil/Gas Exploration	15,002	3	3	-
Anadarko Petroleum Corp. Acquired Occidental Petroleum 2019-04-24 $57B The Woodlands, Texas, United States website	Oil/Gas Exploration	12,906	21	11	10
Marathon Oil Acquired ConocoPhillips 2024-05-29 $22.5B Houston, Texas, United States website	Oil/Gas Exploration	6,407	15	11	4
Concho Resources, Inc. Acquired ConocoPhillips 2020-10-19 Midland, Texas, United States website	Oil/Gas Exploration	4,592	7	5	2
Noble Energy Acquired Chevron 2020-07-20 $13B Houston, Texas, United States website	Oil/Gas Exploration	4,438	6	4	2
Alon USA Energy, Inc. Acquired Delek US 2017-01-03 $464M Dallas,, Texas, United States website	Oil/Gas Exploration	4,338	1	1	-
Callon Petroleum Acquired APA 2024-01-04 $4.5B Houston, Texas, United States website	Oil/Gas Exploration	3,231	4	3	1
Parsley Energy, Inc. Acquired Pioneer Natural Resources 2020-10-20 $4.5B Austin, Texas, United States website	Oil/Gas Exploration	1,959	2	2	-
Western Gas Partners LP Acquired Western Midstream Partners 2018-11-08 $4.015B The Woodlands, Texas, United States website	Oil/Gas Exploration	1,752	3	3	-
Denbury Acquired ExxonMobil 2023-07-13 $4.9B Plano, Texas, United States website	Oil/Gas Exploration	1,704	10	8	2
Newfield Exploration Co. Acquired Ovintiv 2018-11-01 $5.5B The Woodlands, Texas, United States website	Oil/Gas Exploration	1,557	3	3	-
NexTier Oilfield Solutions Acquired Patterson-UTI 2023-06-15 Houston, Texas, United States website	Oil/Gas Exploration	1,423	4	3	1
Columbia Pipeline Group, Inc. Acquired TC Energy 2016-03-17 $13B Houston, Texas, United States website	Oil/Gas Exploration	1,335	-	-	-
Eagle Rock Energy Partners, L.P. Acquired Vanguard Natural Resources LLC 2015-10-08 Houston, Texas, United States website	Oil/Gas Exploration	1,195	1	1	-
Rosetta Resources, Inc. Acquired Noble Energy 2015-07-20 $2.1B Houston, Texas, United States website	Oil/Gas Exploration	814	2	2	-

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