List of 146 Oklahoma-based Oil/Gas Exploration Companies

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
Devon Energy NYSE : DVN Oklahoma City, Oklahoma, United States website	Oil/Gas Exploration	15,940	24	13	11
Chesapeake Energy NASDAQ : CHK Oklahoma City, Oklahoma, United States website	Oil/Gas Exploration	7,775	21	12	9
Empire Petroleum NYSE : EP Tulsa, Oklahoma, United States website	Oil/Gas Exploration	44	4	4	-
SandRidge Energy NYSE : SD Oklahoma City, Oklahoma, United States website	Oil/Gas Exploration	125	4	4	-
89 Energy III PE Backed Kayne Anderson Capital Advisors 2021-05-20 Oklahoma, Oklahoma, United States website	Oil/Gas Exploration	-	3	3	-
Utica Gas Services, LLC Private Oklahoma City, Oklahoma, United States	Oil/Gas Exploration	-	3	3	-
Helmerich & Payne NYSE : HP Tulsa, Oklahoma, United States website	Oil/Gas Exploration	2,757	3	3	-
Canvas Energy Private Oklahoma City, Oklahoma, United States website	Oil/Gas Exploration	-	2	2	-
Citizen Energy PE Backed Warburg Pincus 2019-10-01 Tulsa, Oklahoma, United States website	Oil/Gas Exploration	-	2	2	-
Enable Midstream Partners Acquired Energy Transfer 2021-02-17 $7.2B Oklahoma City, Oklahoma, United States website	Oil/Gas Exploration	2,463	2	2	-
New Source Energy Partners LP Private Oklahoma City, Oklahoma, United States website	Oil/Gas Exploration	165	2	2	-
Mach Resources LLC Private Oklahoma City, Oklahoma, United States website	Oil/Gas Exploration	-	2	2	-
Revolution Resources PE Backed Mountain Capital Management 2018-01-01 Oklahoma, Oklahoma, United States website	Oil/Gas Exploration	-	2	2	-
Access Midstream Partners LP Acquired Williams Partners LP 2015-02-02 Oklahoma City, Oklahoma, United States website	Oil/Gas Exploration	-	1	1	-
Flywheel Energy Private Oklahoma City, Oklahoma, United States website	Oil/Gas Exploration	-	2	1	1
Caballo Energy Private Tulsa, Oklahoma, United States website	Oil/Gas Exploration	-	1	1	-

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