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COUNTIES · GLASSCOCK · OPERATORS

Glasscock 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
1Pioneer Natural Res. USA, Inc.761,226761,488Jan 6, 2026Jul 9, 2026
2Diamondback E&P LLC6433764627Nov 5, 2025Oct 27, 2026
3Civitas Permian Operating, LLC467946311Jan 16, 2026Jun 22, 2026
4Oxyrock Operating, LLC3712336342Dec 4, 2025Apr 2, 2026
5DE Central Operating, LLC30453013Nov 17, 2025May 12, 2026
6OXY USA Inc.2521825214Nov 7, 2025Sep 24, 2026
7DE V Operating, LLC1919195Dec 19, 2025Sep 3, 2026
8Black Swan Opco, LLC12461234Nov 5, 2025Jul 9, 2026
9Vital Energy, Inc.470420Nov 13, 2025Nov 13, 2025
10Aqua Terra Permian, LLC41005Dec 22, 2025May 5, 2026
11Arete Creek Operating, LLC4440Feb 11, 2026Feb 11, 2026
12Continental Resources, Inc.4440Apr 23, 2026Apr 23, 2026
13Deep Blue Operating I LLC2201Dec 17, 2025Jan 14, 2026
14Apache Corporation11,1970967Apr 28, 2026Apr 28, 2026
15Crescent Energy Operating, LLC111718Apr 30, 2026Apr 30, 2026
16Trilogy Operating, Inc.1106052Aug 19, 2026Aug 19, 2026
17R H Well Service, Inc.1106Oct 6, 2026Oct 6, 2026
18Tejas Permian Operating, LLC1100Feb 6, 2026Feb 6, 2026
19Hannathon Petroleum II, LLC—760394——
20XTO Energy Inc.—00345——
21Sheridan Production Company, LLC—1240242——
22XTO Energy Inc.—2500232——
23Ovintiv USA Inc.—140212——
24COG Operating LLC—1530195——
25Burk Royalty Co. Ltd.—00141——
26McClure Oil Company, Inc.—138082——
27Endeavor Energy Resources L.P.—234080——
28Conocophillips Company—17066——
29Discovery Natural Resources LLC—23056——
305H Oil Co. LLC—0054——
31Parsley Energy Operations, LLC—187053——
32Laredo Petroleum, Inc.—789039——
33JM Cox Resources, L.P.—11034——
34Basa Resources Inc.—0034——
35Texaco E & P Inc.—117030——
36Mewbourne Oil Company—54029——
37Black River Operating LLC—0027——
38Arco Oil & Gas Co.—21026——
39Golden Specialties Oil & Gas—0025——
40Cimarex Energy Co. of Colorado—4024——
41MGM Oil & Gas Company—0024——
42Coronado Minerals LLC—0023——
43Lake Crystal Operating LLC—0023——
44Cox, John L.—50021——
45Royalty Land & Dev. Co., Inc.—27020——
46Mineral Technologies Inc.—0020——
47SMC Oil & Gas Inc.—0020——
48Wash Robert C. Inc.—0019——
49Fed Operating LLC—0018——
50King Energy Resources—1016——
51New Height Energy LLC—0016——
52Chevron U. S. A. Inc.—64015——
53Exxon Corp.—63015——
54Hunt Oil Company—177014——
55Stephens, Autry C.—54014——
56Stanolind Production LLC—2014——
57AV3 Resources LLC—0014——
58Energen Resources Corporation—722013——
59BTA Oil Producers—194013——
60RSP Permian, LLC—98013——
61MDC Operating, Inc.—5012——
62Thompson, J. Cleo—82011——
63Trend Exploration Company—71010——
64Burleson Petroleum, Inc.—29010——
65Wagner & Brown, Ltd.—29010——
66Tamarack Petroleum Company, Inc.—15010——
67Alleder Inc.—3010——
6820TH Century Pipe & Equip.co.inc—0010——
69Landmark IP LLC—0010——
70Vaughn Petroleum Inc.—0010——
71Citation Oil & Gas Corp.—209——
72Owl Ops LLC—009——
73Phillips Water Hauling Inc.—009——
74Vencer Energy, LLC—6508——
75Estoril Producing Corporation—1108——
76Parker & Parsley Development L.P—17707——
77Robertson Resources, Inc.—207——
78Adobe Resources Corporation—107——
79MWS Producing, Inc.—107——
80Sundown Energy LP—107——
81Anegada Resources—007——
82Leonard Brothers Operating Co.—007——
83Range Production Company—14606——
84Nadel and Gussman Permian,l.l.c.—6106——
85Arkland Producing Co., Inc.—1006——
86Placer Dome U.S. Inc.—706——
87Legacy Reserves Operating LP—406——
88Purvis Operating Co.—106——
89Red Highland Resources LLC—006——
90Smith Pipe of Abilene—006——
91Texas Investments—006——
92Venture Equipment Inc.—006——
93Union Texas Petroleum Corp.—3605——
94Cobra Oil & Gas Corporation—2705——
95Atropos Exploration Company—1105——
96EQT Production Texas, LLC—1005——
97Midenergy Operating, LLC—705——
98Basic Energy Services, L.P.—305——
99Edmar Company, L.L.C.—205——
100Southland Royalty Company—205——
101Ashbrook Oil Co.—105——
102Redwood Oil & Gas—005——
103Encana Oil & Gas(usa) Inc.—8504——
104Standard Oil Production Company—3504——
105L & B Oil Co. Inc.—3004——
106Merit Energy Company—2604——
107Mobil Producing TX. & N.M. Inc.—904——
108Occidental Permian Ltd.—504——
109Sutton, Robert E., Inc.—304——
110Northstar Operating Company—104——
111Western Reserves Oil Company Inc—104——
112Wheelco Oil & Gas, Inc.—104——
113Double Eagle Petroleum Corp—004——
114Glossop Robert L.—004——
115Grayrock Energy II LLC—004——
116Hendrickson A. N.—004——
117Midway Energy Partners Operating—004——
118Pioneer Production Corp.—004——
119Premier Natural Resources L.P.—004——
120Southwest Royalties Inc.—004——
121Crownquest Operating, LLC—56103——
122MWJ Producing Company—5603——
123Cinnabar Operating, LLC—5303——
124Texaco Inc.—5203——
125Conoco Inc.—3803——
126Hanley Petroleum Inc.—3203——
127BTA Oil Producers, LLC—3003——
128Wood & Locker, Inc.—1803——
129Coastal Oil & Gas Corporation—1603——
130EP Operating Company—1603——
131Palo Petroleum, Inc.—1603——
132B & G Energy Corporation—1403——
133Sun Exploration & Production Co.—1103——
134Tmbr/Sharp Drilling, Inc.—903——
135Ventex Operating Corp.—803——
136Kindred Petroleum Company—503——
137Williams, Clayton Energy, Inc.—503——
138Adobe Oil Co.—403——
139Goodnight Midstream Permian, LLC—303——
140Monsanto Company—303——
141Union Pacific Resources Company—303——
142RP Operating, L.L.C.—203——
143Tall City Brine LLC—203——
144Graham Royalty, Ltd.—103——
145H & O Operating Co. Inc.—103——
146Pilot Water Solutions Permianllc—103——
147Richmond Drilling Company, Inc.—103——
148Apco Oil Corporation—003——
149Apv McCamey LLC—003——
150Cheyenne Resources—003——
151Exxon Mobil Corporation—003——
152Finaly Resources LLC—003——
153Flat Top Operating LLC—003——
154Houston Domestic Oil Company—003——
155H&P Oil & Gas LLC—003——
156Independence Resources Mgmt LLC—003——
157JJ Oil & Gas—003——
158Key Yale E.—003——
159Premier Natural Resources LLC—003——
160Q Natural Resources LLC—003——
161Rover Petroleum Operating LLC—003——
162Sutton Robert E. Oper. Co Inc.—003——
163DE3 Operating LLC—6402——
164Concho Resources Inc.—3102——
165Dyad Petroleum Company—2402——
166Amoco Production Company—2002——
167Oryx Energy Company—1902——
168Getty Oil Co.—1602——
169Diamond Chemicals Company—1402——
170Beach Exploration, Inc.—1202——
171Matador Drilling Corp.—1202——
172Terra Resources, Inc.—1102——
173Draco Energy, Inc.—902——
174T.G.B., Inc.—902——
175Petroplex Energy Inc.—702——
176Meridian Oil Inc.—502——
177Petro-Lewis Corporation—502——
178Anadarko Petroleum Corp.—402——
179Lario Oil & Gas Company—402——
180Veritas Energy, LLC—402——
181Adobe Oil & Gas Corp.—302——
182Kenai Oil and Gas Inc.—302——
183Boyd & McWilliams Energy Group—202——
184Knox Industries, Inc.—202——
185Adventure Operating Company, LLC—102——
186Westland Oil Development Corp.—102——
187Aggietech Oil Ltd.—002——
188Breck Operating Corp.—002——
189Clark Lester—002——
190Concho Oilfield Serv & Oper Co.—002——
191Consolidated Oil & Gas Inc—002——
192Costilla Energy Inc.—002——
193Eastern Petroleum Company—002——
194EP Operating Limited Partnership—002——
195Extex Operating Company—002——
196Grace Petroleum Corp.—002——
197KLM Petroleum Corp.—002——
198Marshco Production LLC—002——
199Mid-America Petroleum Inc.—002——
200Odessa Natural Corporation—002——
201Prime Operating Company—002——
202Reliance Energy Inc.—002——
203Roberts & Hammack Inc.—002——
204Russell Hubbard J. Etal—002——
205Saxon Operating Company—002——
206Scythian Ltd.—002——
207Smith Bros. Casing Pullers Inc.—002——
208Smith & Marrs Inc.—002——
209Tennessee Production Co.—002——
210Vanguard Operating LLC—002——
211Athlon Holdings LP—8001——
212Sohio Petroleum Co.—6501——
213Wagner & Brown—3601——
214Element Petroleum Operating, LLC—3501——
215Hannathon Petroleum, LLC—2701——
216Hendon Exploration, Inc.—2301——
217Continental Oil Company—1701——
218Parker & Parsley Development Co.—1601——
219Sun Expl. & Prod. Co.-Midland—1601——
220Champlin Petroleum Co.—1401——
221Grand Banks Energy Company—1301——
222DE Operating LLC—1101——
223Patterson Petroleum, Inc.—1001——
224Trend Exploration Company, Inc.—1001——
225Chapman Exploration, Inc.—901——
226Pg&e Resources Company—801——
227Santa FE Minerals, Inc.—801——
228Hanson Corporation—701——
229Lingen Exploration, Inc.—701——
230R K Petroleum Corporation—701——
231Great Western Drlg. Co.—601——
232HCW Exploration, Inc.—601——
233Hugoton Energy Corporation—601——
234Cass, Frank—501——
235Global West Exploration Inc.—501——
236Hallwood Petroleum, Inc.—501——
237Kaiser-Francis Oil Company—501——
238Breitburn Operating L.P.—401——
239Kejo Resources, Inc.—401——
240Kimbark Oil & Gas Company—401——
241Maxus Exploration Company—401——
242Mid-States Operating Company—401——
243Sharp Image Energy, Inc.—401——
244Brown, Tom Inc.—301——
245O'Neill Properties, Ltd.—301——
246Partee Drilling Inc.—301——
247Adco Production Co.—201——
248Adkins, R. L. Corp.—201——
249Amerada Hess Corporation—201——
250American Cometra, Inc.—201——
251Capataz Operating, Inc.—201——
252Discovery Operating, Inc.—201——
253Enduro Oil Company Inc.—201——
254French, L. R., Jr.—201——
255Golden Resources Corporation—201——
256Gruy Petroleum Management Co.—201——
257GWR Operating Co.—201——
258Jupiter Energy, LLC—201——
259Ladd Oil & Gas Corporation—201——
260Mapco Inc.—201——
261Mariah Energy Corp.—201——
262Nortex Gas & Oil Company—201——
263Parapetroleum—201——
264Petroleum Inc.—201——
265Texas SWD Co., Inc.—201——
266Bruno, Earl R.—101——
267Carrland Oil & Gas Inc.—101——
268Cleary Petroleum Corp.—101——
269Currie Cattle Co.—101——
270Dunigan, James P., Inc.—101——
271Enserch Exploration, Inc—101——
272Indian Wells Oil Company—101——
273Merida 5280 Energy, LLC—101——
274Milestone Enviro Services, LLC—101——
275Petroleum Corp. of Delaware, The—101——
276Petroplex SWD System, LLC—101——
277Phillips Petroleum Company—101——
278Samson Lone Star, LLC—101——
279V-F Petroleum Inc.—101——
280Wallace Oil & Gas, Inc.—101——
281Abdu Exploration Co.—001——
282Advance Hydrocarbon Corporation—001——
283Alta Energy Corporation—001——
284American Petrofina Co. of Tex.—001——
285Amtex Energy Inc.—001——
286Atlas Operating LLC—001——
287Basin Oil & Gas Operating LLC—001——
288Belco Development Corporation—001——
289Black Arrow Operating LLC—001——
290Bonfire Operating LLC—001——
291Brazos Petroleum Inc.—001——
292Bristol Resources Corporation—001——
293Brockett C. H.—001——
294Brown H. L. Jr.—001——
295Burlington Resources Oil&gas Co.—001——
296Cass-Stephens—001——
297Cities Service Company—001——
298Coastal Plains Energy Inc.—001——
299Conine J. H. Jr.—001——
300Cotton Petroleum Corp.—001——

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