Petrora

COUNTIES · MCMULLEN · OPERATORS

McMullen 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
1Gulftex Energy, LLC19781872Mar 24, 2026Sep 16, 2026
2EOG Resources, Inc.1755217386Feb 5, 2026Jul 2, 2026
3Crescent Energy Operating, LLC111411182Nov 13, 2025Oct 30, 2026
4Verdun Oil & Gas LLC10721069Jun 18, 2026Oct 14, 2026
5Silver Hill Energy Operating LLC9994Sep 23, 2026Sep 30, 2026
6Caturus Energy, LLC810874Dec 29, 2025Jul 20, 2026
7Burlington Resources O & G Co LP788745Jun 15, 2026Jul 20, 2026
8Ineos USA Oil & Gas LLC6226474Dec 10, 2025Dec 16, 2025
9BPX Operating Company62156264Jan 30, 2026Jan 30, 2026
10Silverbow Resources Oper, LLC562596Nov 13, 2025Nov 25, 2025
11Columbus Energy, LLC22014Apr 20, 2026Jun 29, 2026
12Kaler Energy Corp.215012Jun 1, 2026Jun 1, 2026
13Royal Production Company, Inc.2401Feb 5, 2026Mar 20, 2026
14Repsol Oil & Gas USA, LLC1201138Sep 21, 2026Sep 21, 2026
15Evx Operating LLC1103Jan 27, 2026Jan 27, 2026
16Etc Texas P/L, Ltd1101Nov 18, 2025Nov 18, 2025
17Shore Petroleum Corp.1100Jun 2, 2026Jun 2, 2026
18Varas Energy Operating Company—00590——
19Yucca Oil Company—00523——
20Murphy Expl. & Prod. Co. - USA—4180257——
21XTO Energy Inc.—350163——
22Trinity Operating (Usg), LLC—80141——
23Chesapeake Operating, L.L.C.—2740124——
24GTG Operating LLC—00111——
25Javelin Energy Partners Mgmt LLC—0093——
26Loma Oil Company—11089——
27Paisano Minerals Company—5073——
28Awp Operating Company—15064——
29Swift Energy Company—493054——
30Atlas Operating LLC—0051——
31WR Resources LLC—0051——
32Texaco E & P Inc.—24047——
33Swift Energy Operating, LLC—346045——
34Lagerquist, Walter G., Jr.—23045——
35Marathon Oil EF LLC—61037——
36Rosewood Resources, Inc.—43036——
37Dorado Drilling Inc.—0035——
38Castlerock EF Operating LLC—21032——
39Exxon Corp.—53030——
40Texaco Inc.—126029——
41Sparkman Energy, LLC—2029——
42Simray Operating Corp.—4027——
43Welhausen Operating Company, LP—90024——
44Whitehead Oil Co.—25023——
45Rickaway Energy Corp.—0022——
46Verdun Oil EF II LLC—0022——
47Arco Oil & Gas Co.—73019——
48Hawthorn Energy Partners, LLC—21019——
49Atlantic Richfield Co.—6019——
50Wagner Oil Company—4018——
51Orx Resources L.L.C.—0018——
52Eldon Oil Co.—0017——
53Bellows & Dusek—0016——
54Hughes Dan A. Company L.P.—0016——
55Merta Mike—0016——
56Enerquest Operating L.L.C.—34015——
57Caribbean Energy LLC II—0015——
58Wynn-Crosby Operating, Ltd.—9014——
59Rutherford Oil Corporation—25013——
60Trium, Ltd.—1013——
61Bull Oil Company LLC—0013——
62Proline Energy Resources Inc—0013——
63Nitro Oil & Gas LLC—0012——
64Bass Enterprises Production Co.—16011——
65Simray Oil & Gas, Inc.—2011——
66Pearl, Bill H. Productions, Inc.—1011——
67Petrolero Corp.—31010——
68Dale Operating Company—21010——
69Humble Oil & Refining Co.—0010——
70Outline Oil Company LLC—0010——
71Tracker Oil & Gas Inc.—0010——
72Chesapeake Operating, Inc.—68209——
73Aurora Resources Corporation—3009——
74Sutton Producing Corp.—2409——
75San Isidro Development Co, L. C.—1209——
76Southern Oil & Gas LLC—709——
77Devon Energy Production Co, L.P.—209——
78LS Oil—009——
79Remora Operating LLC—009——
80Schroeder Production LLC—009——
81Hurd Enterprises, Ltd.—3308——
82U.S. Enercorp, Ltd.—2508——
83EL Mesteno Energy LLC—008——
84Freer Oil Co.—008——
85Ginco Operating Co.—008——
86Morrill Sallie K.—008——
87San Cajo Oil Company—008——
88Tanos Production Inc.—008——
89Hawn Brothers Company—2907——
90Whiting Oil and Gas Corporation—1607——
91BP America Production Company—1507——
92Field Petroleum Corp.—407——
93Ageron Energy, LLC—307——
94Sun Exploration & Production Co.—307——
95Bluebonnet Oil & Gas—007——
96Breck Operating Corp.—007——
97EL Dorado Gas & Oil Inc.—007——
98Hamon Jake L.—007——
99Petro-Guard Production L.L.C.—007——
100Secondary Oil Corp. Inc.—007——
101Zone Ridge Operating LLC—007——
102Wapiti Operating, LLC—1906——
103First Rock, Inc.—106——
104Harvey, K. S.—106——
105Doran W. H. Jr.—006——
106Elbo Co. The—006——
107GLG Oil & Gas Corp.—006——
108Whiting Petroleum Corporation—006——
109Welhausen Operating Co., Inc.—1905——
110Sun Expl. & Prod. Co.-Corpus—1205——
111Orca Operating Company, LLC—605——
112Republic Resources, LLC.—405——
113Firstrike Energy Corporation—105——
114DKW Energy Inc.—005——
115Petra Oleum Corp.—005——
116Southwest Royalties Inc.—005——
117Talisman Energy USA Inc.—18904——
118BHP Billiton Pet(txla OP) Co—12204——
119Manti Operating Company—5604——
120Hanson Minerals Co.—5404——
121Lindholm Oil, Inc.—2504——
122Delray Oil, Inc.—2104——
123Escondido Resources II, LLC—1804——
124Vastar Resources, Inc.—1604——
125Skinner Corp-Newman Bros.drlg.co—1504——
126Fina Oil & Chemical Company—1204——
127Goldston Oil Corp.—1204——
128Antares Oil Corporation—704——
129Kebo Oil & Gas, Inc.—704——
130Carburante Exploration Co, Ltd.—304——
131Vintage Petroleum, Inc.—204——
132Britanco, L.L.C.—104——
133Texas, Les & Co.—104——
134Atkinson Operations LLC—004——
135Blue Flame Operating Company LLC—004——
136Crosstex Environmental STX LLC—004——
137Hilcorp Energy Company—004——
138Omega Energy LLC—004——
139Umma Resources LLC—004——
140Walking X Oil Co.—004——
141Royal Oil & Gas Corp.—10803——
142Camden Resources, Inc.—3703——
143Chanoco Corporation—1503——
144Cabot Oil & Gas Corporation—1403——
145McLain Exploration, Inc.—1203——
146Chevron U. S. A. Inc.—1103——
147Bluestone Natural Res. II, LLC—1003——
148Miller, W. C.—903——
149Texas Eastern Transmission Corp.—703——
150Texas Secondary Oil Corporation—603——
151Spiller, Robert S.—503——
152Stout Consulting Services, Inc.—403——
153Texcal Energy (GP) LLC—403——
154Blair-Vreeland—303——
155Resaca Resources, L.L.C.—303——
156Finley Resources, Inc.—203——
157Oilton Resources, Inc.—203——
158Petro-Lewis Corporation—203——
159Arnold, Karl W.—103——
160Palmco Management Co.—103——
161Sue-Ann Production Company—103——
162Cologne Production Company—003——
163Fredonia Resources Inc.—003——
164Gen. Amer. Oil Co. of Texas—003——
165Hankamer Curtis—003——
166Janssen Wayne Allen—003——
167Kenne Exploration Inc.—003——
168Liquid Petroleum Resources Inc.—003——
169L.T.D. Explorations Inc.—003——
170Marquee Corporation—003——
171Patterson Energy Corporation—003——
172Thalmann Oilfield—003——
173Tana Oil & Gas Corp.—8302——
174Blackbrush O & G, LLC—6902——
175Century Resources, Inc.—4002——
176Mobil Producing TX. & N.M. Inc.—2002——
177Terlingua Operating, LLC—1802——
178Ncey Holdings, LLC—1402——
179Parker & Parsley Producing L.P.—1302——
180Delta Exploration Company, Inc.—1102——
181Maverick Energy & Dev. Corp.—1102——
182Bridge Oil Company, L. P.—1002——
183Dekalb Energy Company—1002——
184Cannan, Morris—702——
185Kilroy Company of Texas, Inc.—702——
186Warrior Management Co.—702——
187Drillers Energy Search, Inc—602——
188Hollimon Oil Corporation—502——
189Padon, Frank B. Oil Oper., Inc.—502——
190Sklar Exploration Company LLC—502——
191Tucker Petroleum, Inc.—502——
192Valence Operating Company—502——
193Camden Resources, LLC—402——
194Trek Resources, Inc.—402——
195Hawkins, H. L., Jr.—302——
196Petroleum Equities Corp.—302——
197Tee Operating Co.—302——
198Dewbre Petroleum Corporation—202——
199MK Oil and Gas, Inc.—202——
200STZ Petroleum Inc.—202——
201Cimarex Energy Co. of Colorado—102——
202Wheeler, John D.—102——
203Alegre Energy Inc.—002——
204Apco Oil Corporation—002——
205B.P. Productions Inc.—002——
206Brymer Contracting Incorporated—002——
207Chandler Oil & Gas LLC—002——
208Chevron Oil Co the Calif Co Div—002——
209Cinco Natural Resources Corp.—002——
210Coastal States Gas Prod. Co.—002——
211Cxy Energy Inc.—002——
212Downing Patrick H.—002——
213Driscoll S.W.D. Inc.—002——
214Durango Petroleum Inc.—002——
215Gas Transmission Organizationinc—002——
216Grubstake Inv. Assn. Inc.—002——
217Hamilton-Tedford Oper. Co. LLC—002——
218Indian Oil Ltd.—002——
219LA Ronya Oil & Gas—002——
220Locin Oil Corporation—002——
221Los Hijos de Sanchez J LLC—002——
222Mag Exploration LLC—002——
223Nails Operating Company LLC—002——
224New Horizon Investments Ltd.—002——
225Operator P-5 Not on File—002——
226Peninsula Exploration Company—002——
227Perdido Energy LLC—002——
228Petroleum Developments Int LLC—002——
229Petrotx Operating LLC—002——
230Powers Operating Company—002——
231Ross Gas and Oil Ltd. Co.—002——
232Rowe W. Earl—002——
233Sabalo Exploration Operating LLC—002——
234Simray GP LLC—002——
235Skelly Oil Co.—002——
236Taylor & Etheridge—002——
237Texas Independent Explor Ltd.—002——
238White Oak Operating Company LLC—002——
239Comstock Oil & Gas, LP—25101——
240American Exploration Company—7001——
241Carrizo (Eagle Ford) LLC—6201——
242Portal Drilling Company—5201——
243Shell Oil Company—4001——
244American Cometra, Inc.—3501——
245Hughes, Dan A. Company—2801——
246Hilty Interests, Inc.—1801——
247Brammer Engineering, Inc.—1701——
248Lakewood Operating, Ltd.—1501——
249TXO Production Corp.—1501——
250CD Resources Company—1401——
251Stinger Oil & Gas Inc.—1401——
252Aop Operating Corporation—1301——
253Continental Oil Company—1301——
254Douglas Petroleum, Inc.—1301——
255Brush Country Energy, L.L.C.—1101——
256Tidal Petroleum, Inc.—1101——
257Inland Ocean, Inc.—1001——
258Texoz E&P I, Inc.—1001——
259Miller, W. C. Operating Company—901——
260Sierra Resources, LLC—901——
261Walter Oil & Gas Corporation—901——
262Acock Engineering & Operating Co—801——
263Broad Oak Energy, Inc.—801——
264Dolch Production, Inc.—801——
265Ellsworth, H. P. O&G Properties—801——
266Dreyfus, Louis Natural Gas Corp—701——
267Wainoco Oil & Gas Company—701——
268Enduro Oil Company Inc.—601——
269Modern Exploration, Inc.—601——
270Newman Brothers Drilling Company—601——
271Orion Resources, Inc.—601——
272Texas Oil & Gas Corp.—601——
273Alamo Operating Company, L. C.—501——
274Mormac Oil & Gas Co.—501——
275Rio Exploration Company—501——
276Sohio Petroleum Co.—501——
277Whitesands Operating, L.L.C.—501——
278Baxter, Murphy H.—401——
279Caskids Operating Company—401——
280Cox, Edwin L.—401——
281DKD Joint Venture—401——
282Overly Operating Co.—401——
283Paragon Resources, Inc.—401——
284Petrus Operating Co., Inc.—401——
285Tenneco Oil Co.—401——
286Union Gas Operating Company—401——
287BKV Dcarbon Ventures, LLC—301——
288Carl, W. E.—301——
289Centura Incorporated—301——
290Hamman Oil & Refg. Co.—301——
291H. & J. Drilling Company—301——
292Hughes Texas Petroleum, Ltd.—301——
293J-A-H, Inc.—301——
294Tana Oil and Gas Corporation—301——
295Columbia Energy Properties, Inc.—201——
296D & G Gas & Oil Company—201——
297Evx Midstream Partners LLC—201——
298McMoran Exploration Co.—201——
299Ocean Energy, Inc.—201——
300Paleo Oil Company LLC—201——

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