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COUNTIES · ECTOR · OPERATORS

Ector County Operators

Every operator with a permit on file or a well of record here, ranked by permits issued in the window. Wells are each operator's current inventory in the county from the RRC wellbore file.

1 year3 years10 yearsAll time
#OperatorPermitsAll timeHorizontalWellsFirstLast
1Diamondback E&P LLC170192170989May 10, 2019Oct 2, 2026
2FDL Operating, LLC131138171Feb 27, 2017Jun 22, 2021
3Occidental Permian Ltd.103843203,338Dec 2, 2016Mar 19, 2026
4Fasken Oil and Ranch, Ltd.973140312Nov 17, 2016Jun 13, 2022
5Firebird Energy LLC6969560Aug 12, 2019Mar 28, 2023
6Founders Oil & Gas Operating,llc656503Apr 3, 2019Jan 9, 2023
7Continental Resources, Inc.55555467Apr 25, 2022Aug 26, 2026
8COG Operating LLC4019338173Feb 13, 2017Dec 11, 2025
9Ring Energy, Inc.37370319Apr 18, 2022Jun 17, 2026
10Sheridan Production Company, LLC342382719Dec 6, 2016May 1, 2018
11Kinder Morgan Production Co LLC338510Aug 1, 2017May 8, 2020
12Cross Timbers Energy, LLC324305Nov 10, 2016Mar 21, 2025
13XTO Energy Inc.235772253Mar 21, 2017Jun 7, 2019
14Ovintiv USA Inc.23232278Dec 28, 2023Oct 12, 2026
15OXY USA WTP LP222120547Feb 13, 2017Jul 23, 2025
16Independence Resources Mgmt, LLC2127200Nov 21, 2016Jul 25, 2019
17Conocophillips Company2054815149Dec 29, 2016Sep 24, 2020
18Firebird Energy II LLC1919199Oct 6, 2025Aug 28, 2026
19Texland Petroleum, L.P.17200275Mar 24, 2017Dec 3, 2024
20Earthstone Operating, LLC1717170Aug 30, 2021Aug 28, 2023
21Slant Operating, LLC1616924Oct 7, 2021Sep 23, 2026
22Capstone Natural Res II, LLC141600Mar 10, 2017Oct 18, 2017
23Arrington Oil&gas Operating LLC1313121May 23, 2025Aug 28, 2026
24Hadaway Consult and Engineer,llc1212120Mar 6, 2017Dec 5, 2019
25Ares Energy, Ltd.1111110May 24, 2021May 6, 2025
26OXY USA Inc.92960522Nov 14, 2016Nov 14, 2024
27Lario Oil & Gas Company919026Jan 22, 2020Dec 10, 2021
28Maverick Permian LLC884835Aug 4, 2022Dec 13, 2022
29OXY Low Carbon Ventures, LLC88110Feb 15, 2024Aug 19, 2024
30Sharp Energy Partners, LLC8880Sep 3, 2025Oct 7, 2025
31Acoma Operating, LLC770212Jan 21, 2022Feb 27, 2023
32Fivestones Energy LLC7708Sep 19, 2023May 22, 2024
33Davis Southern Operating Co LLC6605Jul 21, 2023Aug 19, 2026
34Mewbourne Oil Company6964Aug 15, 2025Oct 1, 2025
35RSP Permian, LLC67760Nov 10, 2016May 2, 2017
36Pride Energy Company61800Oct 29, 2020Oct 29, 2020
37White Rock Oil & Gas, LLC6700Mar 10, 2017Dec 31, 2018
38Mammoth Exploration LLC6630Sep 19, 2018May 6, 2019
39Apache Corporation5288068Mar 10, 2017May 12, 2017
40Octane Energy Operating, LLC55561Feb 28, 2023Apr 3, 2023
41Admiral Permian Operating LLC5550Oct 20, 2025Oct 27, 2026
42Raptor Petroleum Develop, LLC44118Apr 19, 2017Apr 15, 2019
43Eureka Prospecting Company43704May 16, 2017Sep 7, 2021
44Zarvona Energy LLC4443Sep 30, 2018Jan 24, 2020
45Martin Foree Operating, LLC4400Nov 19, 2019Nov 19, 2019
46Aghorn Operating, Inc.3502,026Sep 23, 2021Aug 27, 2024
47Rust Oil Corp.3102059May 30, 2024Aug 29, 2025
48Henderson, Bryan, Co.38013Apr 2, 2019Sep 27, 2023
49Deep Blue Operating I LLC3307Jun 20, 2024Sep 8, 2025
50Adventure Operating Company, LLC3324Jan 20, 2017Jan 24, 2017
51Atmos Energy,west Texas Division3400Dec 13, 2023Feb 20, 2026
52Atmos Energy Corp., Mid-Tex Div.3300Dec 22, 2022Dec 22, 2022
53Cambrian Management, Ltd.3300Oct 15, 2021Oct 15, 2021
54Laguna Petroleum Corporation2600126Sep 3, 2026Sep 3, 2026
55O'Ryan Oil and Gas28052Jun 2, 2017Dec 5, 2017
56Basin Oil & Gas Operating, LLC22028Jul 17, 2026Oct 21, 2026
57Sundown Energy LP24015May 2, 2017May 2, 2017
58Contango Resources, LLC2312Jun 3, 2022Jun 7, 2022
59Rattler Midstream Operating LLC2201Dec 22, 2022May 19, 2023
60Turrentine Oil & Gas, Inc.22400Jan 6, 2017Jun 8, 2017
61Ableready, Inc.2200Oct 24, 2022Oct 27, 2022
62Strike Operating Company LLC2200Mar 20, 2025Mar 20, 2025
63Vaquero Hunter Inc.2200Sep 10, 2021Sep 23, 2021
64Baker Operating, Inc.1170363Nov 16, 2018Nov 16, 2018
65Walsh & Watts, Inc.1300117Aug 3, 2023Aug 3, 2023
66Condor Operating Company, LLC11026Feb 18, 2026Feb 18, 2026
67Mulloy Operating, Inc.11011Mar 4, 2025Mar 4, 2025
68Grama Operating, LLC11010Apr 20, 2023Apr 20, 2023
69Cuervo, Inc.1508Jan 27, 2017Jan 27, 2017
70Incline Energy1305Aug 31, 2017Aug 31, 2017
71Pitts Energy Co.1204May 19, 2021May 19, 2021
72Seaboard Operating Co.1102Apr 1, 2021Apr 1, 2021
73Legacy Reserves Operating LP11801Mar 25, 2020Mar 25, 2020
74Martin, Jimmy Inc1101Oct 10, 2018Oct 10, 2018
75Holly Energy Partners-OP, L.P.1500Aug 13, 2019Aug 13, 2019
76Enterprise Products Operatingllc1300Oct 14, 2026Oct 14, 2026
77Anadarko E&P Onshore LLC1100Jul 5, 2023Jul 5, 2023
78Atmos Pipeline - Texas1100Aug 25, 2026Aug 25, 2026
79De IV Operating, LLC1100Jul 29, 2024Jul 29, 2024
80Maverick Operating, LLC1100Apr 6, 2018Apr 6, 2018
81Novo Oil & Gas Texas, LLC1110Nov 3, 2017Nov 3, 2017
82Phillips 66 Company1100Apr 15, 2026Apr 15, 2026
83Hilcorp Energy Company—001,918——
84Formentera Operations LLC—101,827——
85Crescent Energy Operating LLC—00652——
86Scout Energy Management LLC—00450——
87Atlas Operating LLC—00414——
88Bce-Mach III LLC—00348——
89Ctoc Energy LLC—00342——
90R3 Operating Corporation—00307——
91GL Energy Operating LLC—00253——
92Citation Oil & Gas Corp.—750243——
93XTO Energy Inc.—00234——
94United Oil & Shale LLC—00202——
95Arco Oil & Gas Co.—3360188——
96Chevron U. S. A. Inc.—3210141——
97R2Q Operating LLC—00140——
98Endeavor Energy Resources L.P.—150114——
99Pen-Tex Production Co. Inc.—0071——
100AD Astra Resources LLC—0069——
101Permian Resources Operating LLC—0064——
102Texaco Inc.—114060——
103Helms Oil & Gas LLC—0052——
104Phillips Petroleum Company—558050——
105Richland Resources Corporation—0049——
106Raptor Resources Inc.—0048——
107Neg Operating LLC—66044——
108Anadarko Petroleum Corporation—763041——
109Amoco Production Company—911036——
110Andector Exploration Company—17036——
111KRF Production Company LLC—0032——
112RMR Operating LLC—0030——
113Conoco Inc.—216029——
114Texaco E & P Inc.—160028——
115Satanta Oil Company—4027——
116Vision Oil and Gas LLC—0026——
117Highmark Energy Operating LLC—0024——
118Pfog Operations, LLC—2022——
119Libertad Operating LLC—0022——
120Pinnacle Mining Corporation—0022——
121Atlantic Richfield Co.—70021——
122Four Star Oil and Gas Company—17021——
123Jay Management Company LLC—0021——
124Texaco Producing Inc.—59020——
125Diamond S Energy Company—0020——
126Par Development—7019——
127Gulf Oil Corp.—314018——
128Drake Oil & Gas LLC—0018——
129Owl Ops LLC—0017——
130BTA Oil Producers—27015——
131Bluco Production Co., Inc.—17015——
132Burleson Petroleum Inc.—0015——
133Nicki T Oil & Gas LLC—0015——
134Getty Oil Co.—12014——
135Adobe Oil Co.—0014——
136Petex—0014——
137Union Oil Company of California—163013——
138Fina Oil & Chemical Company—96013——
139Rankin Oil Co.—33013——
140Miltex Oil Company—0013——
141Montauk Exploration Inc.—0013——
142Amoco Production Co.-Andrews—192012——
143Sun Expl. & Prod. Co.-Midland—129012——
144Flat Top Operating LLC—0012——
145Schlachter Operating Corporation—0012——
146Vision Natural Resources LP—0012——
147Pioneer Natural Res. USA, Inc.—11011——
148Olsen Energy Inc.—7011——
149Eastland Oil Company, The—6011——
150Beach Exploration Inc.—0011——
151Ocotillo Energy Resources LLC—0011——
152Siana Oil & Gas—0011——
153Shell Western E&P Inc.—155010——
154Hendrix, John H. Corp.—8010——
155Fort Worth Pipe & Supply Co.—0010——
156Garner S Well Service LLC—0010——
157Petrogulf Corporation—0010——
158Rextac LLC—0010——
159BC Operating, Inc.—17509——
160Cities Service Oil & Gas Corp.—8909——
161Shenandoah Oil Corp.—509——
162Brown, H. L., Jr.—409——
163Shinnery Oil Company, Inc.—309——
164Amerada Hess Corporation—209——
165Cities Service Oil Co.—209——
166Barnes J. C. Oil Company—009——
167Mana Resources Inc.—009——
168Continental Oil Company—9808——
169Shell Oil Company—8308——
170Altura Energy Ltd.—3308——
171Sahara Operating Company—1008——
172Hawk, Bob Oil Operator—208——
173Bellwether Exploration Company—008——
174Chevron Midcontinent L.P.—008——
175Water Energy Services LLC—008——
176Whiting Oil and Gas Corporation—008——
177Exxon Corp.—6107——
178Petroleum Technical Services Co.—2307——
179M & J Energy, Inc.—1107——
180Rim Operating, Inc.—707——
181Bennett, R. C., Company—607——
182Texas American Oil Corp.—207——
183Armor Petroleum, Inc.—107——
184BTA Oil Producers, LLC—107——
185Bridwell Oil Co.—007——
186Dinero Operating Company—007——
187Pena Bros. Oil and Gas LLC—007——
188Pronghorn Management Corporation—007——
189Unitex Oil & Gas L.L.C.—007——
190Waylander LLC—007——
191Coquina Oil Corporation—106——
192Kenworthy Oil Company—006——
193Last Mile Production LLC—006——
194Moss SWD LLC—006——
195Rein Pusher Operating LLC—006——
196Atkins Petroleum Corp.—2805——
197Mariah Energy Corp.—2405——
198Schlachter, David A.—1705——
199BP America Production Company—1405——
200V-F Petroleum Inc.—505——
201Basin Well Service of Odessa,inc—205——
202Petroplex Energy Inc.—205——
203Basic Energy Services, L.P.—105——
204Minihan Oil & Gas Corporation—105——
205Barrow Petroleum LLC—005——
206Bustamante Resources LLC—005——
207Kinney Incorporated—005——
208Production Gathering Company LP—005——
209Texas Consolidated Pet. Corp.—005——
210Wes-Tex Drlg. Co.—005——
211Linn Operating, Inc.—8704——
212Kerr-McGee Corporation—5004——
213Blair, Jack N.—904——
214Colter Operating, Inc.—704——
215Jones, Johnny G.—404——
216Yucca Energy, Inc.—404——
217Breck Operating Corp.—304——
218Alleder Inc.—104——
219Momentum Energy Corporation—104——
220MWJ Producing Company—104——
221Atlantic Richfield Company—004——
222Barnett Energy Inc.—004——
223BCP Resources LLC—004——
224Black Gold Industries Oprtng LLC—004——
225Boaz Energy II Operating LLC—004——
226Bobcat Operating—004——
227Clear Water Inc.—004——
228Direct Midstream LLC—004——
229Double Barrel Oil LLC—004——
230Fasken Barbara—004——
231Garrett William H. Estate Of—004——
232Pan American Petroleum Corp.—004——
233Saguaro Petroleum LLC—004——
234Tri-Service Drlg. Co. & Cobb D.—004——
235WGR Inc.—004——
236Union Texas Petroleum Corp.—2803——
237Grand Banks Energy Company—903——
238Denbury Management, Inc.—803——
239Costilla Petroleum Corporation—703——
240Mobil Producing TX. & N.M. Inc.—703——
241Thompson, J. Cleo—503——
242Permian Resources, Inc.—303——
243Rhonda Operating Co.—303——
244W & W Oil Company M—303——
245Gilliam's Aghorn Energy—203——
246Torch Energy Services, Inc.—203——
247Herbig Oil & Gas Co.—103——
248Mayo, Eddie—103——
249Tacor Resources Inc—103——
250Ashland Oil Inc.—003——
251Bridge Oil Company L. P.—003——
252Brock J.—003——
253Bustamante Oil Company—003——
254Depco Inc.—003——
255De Witt Gas Gathering Inc.—003——
256DSR Oil & Gas Inc.—003——
257Forest Oil Corporation—003——
258G-M-K Oil Co. Inc.—003——
259Humble Oil & Refining Co.—003——
260Johnston David Mahlon—003——
261Lovelady I. W.—003——
262Penick Dean—003——
263Prime Operating Company—003——
264Rci L.L.C.—003——
265R.K.G. Operations Inc.—003——
266SMC Oil & Gas Inc.—003——
267Stetson Petroleum Corp.—003——
268Tracy Production Co. Inc.—003——
269Trican Energy Inc.—003——
270Vaquero Operating—003——
271Wilson Systems Inc.—003——
272Pure Resources, L.P.—6102——
273Oryx Energy Company—3002——
274Saga Petroleum LLC of Colorado—2302——
275Buchanan, Wayman W.—1002——
276Three-B Oil Company, The—902——
277Viking Energy Corporation—902——
278Texon Oil Company, Inc.—802——
279Rasmussen, James W.—702——
280Cabal Energy Corporation—602——
281Kaspar, A. G.—602——
282Merit Energy Company—602——
283R. K. G. Engineering, Inc.—502——
284Ausland Production Company—402——
285Costilla Energy, Inc.—402——
286Devon Energy Corporation(nevada)—402——
287Baxter, D. B. Inc.—302——
288Cox, John L.—302——
289Hannon, Charles E.—302——
290Marshall & Winston, Inc.—302——
291Paloma Exploration Co.—302——
292Seaboard Oil Company—302——
293Stickney, F. C., Inc.—302——
294Crystal Oil and Land Co.—202——
295Black, R. W.—102——
296Concho Resources Inc.—102——
297Fasken, David—102——
298Gray, W. H. Operating—102——
299Hat Oil & Gas, Inc.—102——
300Magruder, Edwin H. Jr.—102——

736 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE