COUNTIES · KARNES · OPERATORS

Karnes 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.

#OperatorPermitsAll timeHorizontalWellsFirstLast
1Burlington Resources O & G Co LP361,08536628Nov 20, 2025Oct 28, 2026
2Marathon Oil EF LLC351,876351,753Jan 29, 2026Oct 30, 2026
3Silver Hill Energy Operating LLC22222224Apr 20, 2026Oct 27, 2026
4Magnolia Oil & Gas Operating LLC1518915312May 14, 2026May 15, 2026
5Repsol Oil & Gas USA, LLC149014381Nov 7, 2025Oct 21, 2026
6BPX Operating Company1321213254Jul 14, 2026Jul 27, 2026
7Verdun Oil & Gas LLC10441045Sep 16, 2026Oct 26, 2026
8EOG Resources, Inc.81,45281,127Jun 8, 2026Jun 12, 2026
9Devon Energy Production Co, L.P.31993795Sep 2, 2026Sep 2, 2026
10Gulftex Energy, LLC367355May 29, 2026May 29, 2026
11Baytex Energy USA, Inc.3830Nov 25, 2025Dec 4, 2025
121776 Energy Operators, LLC22620Nov 25, 2025Nov 25, 2025
13Paloma Operating, LLC2300Nov 4, 2025Jan 23, 2026
14Nog Production & Operating LLC1201May 11, 2026May 11, 2026
15Murphy Expl. & Prod. Co. - USA—4210310——
16Zink & His—00228——
17Britanco L.L.C.—0058——
18Caturus Energy LLC—0046——
19Welderxp Ltd.—0038——
20Legend Natural Gas II, LP—9033——
21TBM Catarina LLC—0030——
22Tidal Petroleum, Inc.—41028——
23Blackbrush O & G, LLC—124023——
24FW Eagle Ford I LLC—0022——
25Warwick-Artemis, LLC—23021——
26Falcon Production LLC—0021——
27Tidewater Minerals Corporation—1017——
28Welder Exploration & Prod., Inc.—12016——
29Shell Oil Company—4016——
30Pioneer Natural Res. USA, Inc.—334015——
31Encana Oil & Gas(usa) Inc.—472014——
32Plains Exploration & Prod. Co.—337014——
33Bay Rock Operating Company—21014——
34XTO Energy Inc.—19014——
35Marino Charles B.—0011——
36Dewbre Petroleum Corporation—8010——
37Sun Exploration & Production Co.—8010——
38Bruns, H. D.—3010——
39Keystone Operating Co.—009——
40P1 Energy LLC—009——
41Whiting Oil and Gas Corporation—5308——
42H-M Oil Company—508——
43Sue-Ann Oil & Gas Company—208——
44Greenwerks Outdoor Services LLC—008——
45Delray Oil, Inc.—1307——
46Chevron U. S. A. Inc.—707——
47Crawford Hughes Operating Co.—107——
48Evx Operating LLC—007——
49Paleo Oil Company LLC—007——
50Blackbrush O & G, Inc.—2206——
51Hawthorn Energy Partners, LLC—2006——
52Exxon Corp.—1106——
53Socorro Energy, Inc.—806——
54Jones, Edwin M. Oil Co.—406——
55Enerquest Operating L.L.C.—306——
56Rickaway Energy, Corp.—206——
57Leggett K. R.—006——
58Payne Producing Co.—006——
59Pilot Water Solutions SWD LLC—006——
60Production Acquisition Company—006——
61Texaco Inc.—11105——
62Inpex Eagle Ford, LLC—7105——
63Freeport-McMoran Oil & Gas LLC—5105——
64Pennzoil Producing Co.—1605——
65Pennzoil Exploration & Prod. Co.—1205——
66Double Play Oil & Gas, Inc—1005——
67Presidio Exploration, Inc.—1005——
68Mobil Producing TX. & N.M. Inc.—905——
69Ampak Oil Company—705——
70Hanson Production Company—705——
71Crosstex Environmental STX LLC—005——
72Francisco Creek Operating Inc.—005——
73Jaybird Operating LLC—005——
74Mmar Group Inc—005——
75Mobil Oil Corporation—2804——
76Chesapeake Operating, Inc.—1404——
77Petro Resources, Inc.—904——
78Turner, M. O.—704——
79Bright & Co.—604——
80Abel, M.D. Co—304——
81Kebo Oil & Gas, Inc.—304——
82Janssen, Nelson—104——
83Arco Oil & Gas Co.—004——
84Cymri Corporation The—004——
85Edinger Inc.—004——
86Howell Drilling Inc.—004——
87Lodestar Pacific Corporation—004——
88Tenneco Oil Co.—004——
89Zarvona Energy LLC—004——
90Enervest Operating, L.L.C.—11403——
91Petrohawk Operating Company—8803——
92Hanson Minerals Co.—3103——
93Riley Exploration, LLC—2403——
94Crimson Exploration Oper., Inc.—1103——
95Rio Bravo Oil Company—803——
96Rollert Co., Inc., The—803——
97Henry Petroleum Corp.—703——
98Forney, Bill, Inc.—603——
99Ageron Energy, LLC—403——
100Enex Resources Corporation—203——
101Luling Oil & Gas Company, Inc.—203——
102Wagner Oil Company—203——
103Bridge Oil Company, L. P.—103——
104Finley Resources, Inc.—103——
105Pennzenergy Exp. & Prod., L.L.C.—103——
106Arete Operating Company LLC—003——
107Cox Edwin L.—003——
108Cox Oil & Gas Inc.—003——
109CWR Management LLC—003——
110Cymri L.L.C.—003——
111Enpower Resources Inc.—003——
112Estate of James L. Nelson—003——
113Meri-Tech Production Co. Inc.—003——
114S. S. C. Gas Producing. Co.—003——
115Sure Flow Oil & Gas Inc.—003——
116Traton Operating Company—003——
117VSP Operating LLC—003——
118Walraven M. L. Jr.—003——
119Gulftex Energy III, LP—4802——
120Hughes, Dan A. Company—2302——
121Amoco Production Company—1802——
122Esenjay Exploration, Inc—1802——
123Texstar North America, Inc.—1602——
124Alexander Pet. Consultants, Inc.—1302——
125Tesoro Petroleum Corporation—1002——
126Hunt Oil Company—602——
127Clover Energy Corporation—502——
128Modern Exploration, Inc.—502——
129Viceroy Petroleum, LP—502——
130Decker Operating Co., L.L.C.—402——
131Rosewood Resources, Inc.—402——
132National Exploration Co.—302——
133Advantek Waste Mgmt Services LLC—202——
134Milagro Exploration, LLC—202——
135Staples, Tommy Oil Co.—202——
136Sue-Ann Production Company—202——
137Devon Louisiana Corporation—102——
138Gulf Oil Corp.—102——
139HCW Exploration, Inc.—102——
140Huber, J. M., Corporation—102——
141Karbuhn Oil Company—102——
142Martin, Glen A.—102——
143White Marlin Operating Co, LLC—102——
144A & G Oil Production Co.—002——
145Bayport Operating Inc.—002——
146B J Resources L.L.C.—002——
147Bommer Engineering Co.—002——
148Brown & McKenzie Inc.—002——
149Charolais Energy LLC—002——
150Diamond Chemicals Company—002——
151Humble Oil & Refining Co.—002——
152Hunter Petroleum Inc.—002——
153Janssen Wayne Allen—002——
154Janssen Wayne Allen Estate—002——
155KC Plugging & Equipment Co Inc.—002——
156Mitchell O. R.—002——
157Mobil-GC Corp.—002——
158Okie Operating Company Ltd.—002——
159Oryx Energy Company—002——
160Person-Panna Maria LLC—002——
161Phillip David Martin—002——
162Premium Exploration Company—002——
163Resource Reserves Co.—002——
164Stage Drilling Co. Inc.—002——
165Three J Energy Inc.—002——
166Trinity Operating (Usg) LLC—002——
167Union Producing Co.—002——
168Viper S.W.D. LLC—002——
169Warren Explorations Inc.—002——
170WG Operating Inc.—002——
171Statoil Texas Onshore Prop LLC—20701——
172BHP Billiton Pet(txla OP) Co—12901——
173Enduring Resources, LLC—7701——
174Ensign Operating LLC—5801——
175Talisman Energy USA Inc.—4901——
176Sun Expl. & Prod. Co.-Corpus—3601——
177Ovintiv USA Inc.—2401——
178Sun Expl. & Prod. Co.-Houston—2001——
179Miller, W. C. Operating Company—1601——
180Royal Oil & Gas Corp.—1501——
181One Tec Operating, LLC—901——
182Exploration, Ltd.—701——
183Sanchez-O'Brien Oil & Gas Corp.—701——
184Browning Oil Company, Inc.—601——
185CB Energy, LLC—601——
186Cockrell Oil Corporation—601——
187Mormac Oil & Gas Co.—601——
188Cities Service Company—501——
189Forney & McCombs—501——
190Resaca Resources, L.L.C.—501——
191Citation Oil & Gas Corp.—401——
192Delta Exploration Company, Inc.—401——
193High Plains Gas Systems, Inc.—401——
194Lacy, F. B. Inc.—401——
195Abraxas Petroleum Corporation—301——
196Cheyenne Petroleum Company—301——
197Hamman Oil & Refg. Co.—301——
198HNG Oil Company—301——
199BBX Operating, L.L.C.—201——
200Black Gold Operating Co., Inc.—201——
201Ces SWD Texas, Inc.—201——
202Clay Exploration, Inc.—201——
203Economy Drilling Inc.—201——
204Fargason Energy, Inc.—201——
205First Rock, Inc.—201——
206Leede Oil & Gas Inc.—201——
207MLC Operating, LP—201——
208Paragon Resources, Inc.—201——
209Trans Texas Minerals Company—201——
210Tri-C Resources, Inc.—201——
211Wejco, Inc.—201——
212Wynn-Crosby Operating, Ltd.—201——
213Zachry Exploration, LLC—201——
214Zinn Petroleum Co.—201——
215Anderson Oil Ltd—101——
216Bayshore Operating Corp., L.L.C.—101——
217Bluco Production Co., Inc.—101——
218Equinox Oil Company, Inc.—101——
219Geological Research Corp.—101——
220Grand Operating, Inc.—101——
221Kelpetro, Inc.—101——
222Lewis Petro Properties, Inc.—101——
223Mardam Exploration, Inc.—101——
224Newfield Exploration Company—101——
225Property Development Group, Inc.—101——
226Rhino Operating Company, LLC—101——
227Rosewood Resources (Poc),inc.—101——
228US Ecology Karnes Cnty Disp, LLC—101——
229Vaquero Operating, Inc.—101——
230Williams, Clayton Energy, Inc.—101——
231Wood Energy Inc.—101——
232Allegro Investments Inc.—001——
233American Exploration Company—001——
234Aransas Drlg & Workover Co Inc—001——
235Arcadia Operating LLC—001——
236Barnard C. G.—001——
237Bentsen-Whittington Oil Company—001——
238Bes Environmental Services Inc.—001——
239Bolin Oil Company—001——
240Bowman Fred Inc.—001——
241Broadway L.J.—001——
242Chevron Oil Co the Calif Co Div—001——
243Cities Service Oil Co.—001——
244Duquesne Natural Gas Company—001——
245Ectero Southwest LLC—001——
246Energy Sources Inc.—001——
247Essex Energy Corporation—001——
248Freddy S Well Service Inc.—001——
249Genesis Well Service—001——
250Gifford Operating Company—001——
251Howell David—001——
252Jetgas Company—001——
253Karnco Petroleum Inc.—001——
254KCS Resources Inc.—001——
255Klotzman M. S. Exploration Co.—001——
256LA Coastal Pet. Corp.—001——
257Lagarto Company The—001——
258Lovaca Gathering Company—001——
259Magnum Producing LP—001——
260Marjan Investments Inc.—001——
261Marmaton Oil Company—001——
262Marwell Petroleum Ltd Partnrship—001——
263Mid River Midstream LLC—001——
264Midwest Oil Corp.—001——
265Milam Inc.—001——
266Mission River Systems Inc.—001——
267Momentum Energy Corporation—001——
268Mosbacher Production Co.—001——
269NGL Watersolutions Eagleford LLC—001——
270Ocean Energy Inc.—001——
271Operator P-5 Not on File—001——
272Origin Production Group LLC—001——
273Pace John W.—001——
274Pioneer Resources Producing L.P—001——
275Proex Energy Management L.L.C.—001——
276Rampage Exploration Inc.—001——
277Ranger Drilling Co.—001——
278Rio-Tex Inc.—001——
279Sandia Management Inc.—001——
280Santos USA Corp.—001——
281Seaboard Engineering Co. Inc.—001——
282Seguro Well Service Inc.—001——
283Select Water Solutions LLC—001——
284Southern Bay Operating L.L.C.—001——
285Southwestern Oil & Refining Co.—001——
286Standard Oil Company of Texas—001——
287Sun Oil Co. DX Div.—001——
288Texaco E & P Inc.—001——
289Texas Crude Energy LLC—001——
290Trailblazer Oil & Gas LLC—001——
291Trans-Texas Energy Inc.—001——
292Turnbull Paul R. Jr.—001——
293Tyner Exploration Inc—001——
294Viking Drilling Company—001——
295Warner Sisters LLC—001——
296Westport Oil and Gas Company LP—001——
297Whitfield Billy C.—001——
298Winn Exploration Co. Inc.—001——
299Wooldridge Oil & Gas—001——
300Zonergy Inc.—001——

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