Petrora

COUNTIES · STARR · OPERATORS

Starr 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
1Killam Oil Co., Ltd.7850149Jul 11, 2024Feb 20, 2026
2Triad O&G, LLC4407Feb 8, 2024Mar 27, 2026
3Royal Production Company, Inc.2604May 7, 2024Jun 7, 2024
4Dahco Operating, LLC2303Jan 19, 2024Jan 23, 2024
5Mueller Exploration, Inc.2203Sep 2, 2025Jan 5, 2026
6Merit Energy Company1220649Jan 9, 2025Jan 9, 2025
7Petrovybe Opco LLC11089Apr 23, 2026Apr 23, 2026
8Mortimer Production Company124056Jun 14, 2024Jun 14, 2024
9Southern Tejas Asset Group LLC12029Jul 31, 2024Jul 31, 2024
10Osborn,w.b. Oil & Gas Operations11108May 31, 2024May 31, 2024
11Ilex Energy Corporation1100Mar 10, 2026Mar 10, 2026
12Zenergy Inc/Reef Exploration Inc—00403——
13Hilcorp Energy Company—210286——
14Mountain V Texas LLC—00243——
15Sun Expl. & Prod. Co.-Corpus—4220218——
16Sun Exploration & Production Co.—980211——
17Exxon Corp.—3680208——
18Wagner Oil Company—110168——
19Oryx Energy Company—2530153——
20Conoco Inc.—2080116——
21Kerr-McGee Oil & Gas Onshore LLC—1960106——
22Exxon Mobil Corporation—16084——
23Trap Rock Oil, Ltd.—38066——
24Varas Energy Operating Company—0066——
25RNS Oil Co.—0063——
26Poor Boy Oilfield Service—0057——
27Tenneco Oil Co.—93053——
28Continental Oil Company—34053——
29Momentum Production Corp.—0044——
30Osborn Heirs Company—16042——
31Orx Resources L.L.C.—0038——
32Neuhaus, V. F. Properties, Inc.—41035——
33Alvarez & Alvarez—0035——
34Kerr-McGee Oil & Gas Onshore LP—147032——
35OXY USA Inc.—55032——
36Orphan Wells LLC—0032——
37Forest Oil Corporation—28031——
38Corpus Christi Oil & Gas Co.—33028——
39BZG E&P LLC—0027——
40Remco Oil & Gas Production Inc.—0027——
41McGuffin, D. B.—4024——
42Starr Operating LLC—0023——
43Hanson Production Company—15021——
44Cameron, Paul E., Jr., Inc.—23020——
45Texas Independent Explor Ltd.—14020——
46Reh Energy, Inc.—11020——
47EOG Resources, Inc.—79019——
48Bengail, Inc—1019——
49Breck Operating Corp.—1019——
50Caribbean Energy LLC II—0019——
51Texas Independent Explor., Inc.—150018——
52Humble Oil & Refining Co.—0018——
53Wagner, Duer & Co.—27017——
54Noble Energy Inc—12017——
55Scorpion Operating, Inc.—1017——
56Dugger Glenn—0017——
57J. & M. Well Service, Inc.—12015——
58Integrated Operating Corporation—10015——
59Dinero Oil Company—0015——
60Mueller Engineering Corp.—27014——
61Neuhaus, V. F.—21013——
62Ress Production Co.—0013——
63Western Global Oil Inc—0013——
64Texaco Inc.—49012——
65Shell Western E&P Inc.—42012——
66El Paso E & P Company, L. P.—37012——
67Escudo Oil & Gas LLC—0012——
68Shell Western E&P—126011——
69Shell Oil Company—62011——
70Tasca Exploration Company—36011——
71Kebo Oil & Gas, Inc.—18011——
72Starco Exploration, Inc.—15011——
73Alpha Oil & Gas LLC—0011——
74Cooper Operating LLC—0011——
75Samedan Oil Corporation—68010——
76Legend Natural Gas III, LP—49010——
77Ladd Petroleum Corp.—5010——
78Petro-Hunt Corporation—2010——
79Coastal States Gas Prod. Co.—1010——
80Clinton Oil Co.—0010——
81Geochemical Surveys Inc.—0010——
82Interfirst Bank Galveston N.A.—0010——
83Trinity River Energy Oper LLC—0010——
84Dinero Oil Corporation—909——
85L & B Oil and Gas Equipment, LLC—509——
86Fargo Oil & Gas LLC—009——
87Total E&P USA, Inc.—2408——
88White Oak Operating Company LLC—1408——
89Osborn, W. B. Operator—308——
90Energy 2000, Inc.—108——
91Marwell Petroleum Ltd Partnrship—108——
92Trek Resources, Inc.—108——
93Cities Service Oil Co.—008——
94EP Energy E&P Company L.P.—008——
95Lakeshore Operating LLC—008——
96Nadcf Recovery Group Inc.—008——
97Harkins & Company—5507——
98Exaro Energy II, LLC—2407——
99Star of Texas Energy Srvs, Inc.—1507——
100Fischer Petroleum Corporation—1107——
101Dewbre Petroleum Corporation—907——
102Kimmell, C. E.—507——
103Pyle Petroleum Inc.—307——
104Brazos Petroleum Inc.—007——
105Continental Operating Co.—007——
106Magnum Engineering Company—007——
107Operator P-5 Not on File—007——
108Phillips Petroleum Company—007——
109Valley Petrochemicals LLC—007——
110Newgulf Petroleum, LLC—3906——
111Samson Lone Star LP—3006——
112Legacy Corporation, The—2706——
113Mortimer Exploration Company—2606——
114Carrizo Oil & Gas, Inc.—2406——
115Hughes & Hughes—1006——
116Doran Energy Corporation—806——
117Crockett, M. W.—406——
118Energy Reserves Group, Inc.—306——
119Falcon Production Co.—306——
120Sinclair Minerals, Inc.—206——
121Clark Fuel Producing Company—006——
122Discovery Petroleum L.L.C.—006——
123Jennings C. A.—006——
124Jilpetco Inc.—006——
125Mobil Oil Corporation—006——
126Mokeen Oil Company—006——
127Plains Exploration & Prod. Co.—006——
128Score Energy Company—006——
129Starr County Cattle Company—006——
130Sun Expl. & Prod. Co.-Houston—4805——
131Totalfinaelf E&P USA Inc—3105——
132Suemaur Exploration, Inc.—2005——
133Apache Corporation—1405——
134Cantera Operating, LLC—905——
135Greenbrier Oper. Co.—705——
136Texas Oil & Gas Corp.—705——
137Hawn Brothers—605——
138Lemarco Operating, Inc.—505——
139Duty Oil Co.—305——
140Altman Energy, Inc.—105——
141CTR Petroleum, Inc.—105——
142Energy Sources, Inc.—105——
143Pearl, Bill H. Productions, Inc.—105——
144Coates Energy Interests Ltd.—005——
145Santa Rita Holdings LLC—005——
146Schiefelbein Oil & Gas Company—005——
147Three C Exploration LLC—005——
148Transpacific Energy LLC—005——
149Turner & Fiske—005——
150Smith Production Inc.—9904——
151Transtexas Gas Corporation—4104——
152Jones, J. Paul—1104——
153Ceniza Petroleum, Inc.—504——
154Newman Operating Company—504——
155Pitco Investments, Ltd.—404——
156TNT Petroleum Company, Inc.—304——
157Hope, Alvin C. Estate Of—204——
158Reserve Operating Corp.—204——
159Quigley, T. M.—104——
160Vessels, Tom—104——
1613 & 1 Trusts & Cox Edwin L.—004——
162Bellows Operating Co. L. C.—004——
163Bishop Petroleum Inc.—004——
164Cripple Creek Oil Company—004——
165El Reno Energy LLC—004——
166G. & M. Energy Company—004——
167Janan Oil Company—004——
168Morningstar Gas Inc.—004——
169Shepherd G. Frederick—004——
170Stonegate Operators Inc.—004——
171Wayne E. Glenn Associates Inc.—004——
172Edge Petroleum Oper. Co., Inc.—5203——
173M. J. G., Inc.—3103——
174Milagro Exploration, LLC—2403——
175Manges, Clinton—1703——
176Headington Oil Company, L.P.—1503——
177Eads Operating Co.—1403——
178Lpes, Inc.—1303——
179Amax Oil & Gas Inc.—1203——
180Carter Exploration Company—803——
181Champlin Petroleum Co.—803——
182Coates, George H. Estate Of—803——
183BNP Petroleum Corporation—703——
184Kerr-McGee Corporation—703——
185Natural Gas Gatherers—703——
186BPL Exploration, Ltd.—603——
187True Oil Company—603——
188Akm Company—503——
189Lanita Oil, LLC—503——
190Ricochet Energy, Inc.—503——
191Tepee Petroleum Co., Inc.—303——
192Valor Energy, LLC—303——
193Buss Oilfield Services, Inc.—203——
194Comstock Oil & Gas, LP—203——
195Flournoy Production Co.—203——
196Hunter Petroleum Inc.—203——
197Fletcher Operating, LLC—103——
198Jenkins, Winston—103——
199Kaiser-Francis Oil Company—103——
20012TH Man Energy LLC—003——
201Acock Operating Limited—003——
202Amrwr LLC—003——
203Atinum Operating Inc.—003——
204Bentsen-Whittington Oil Company—003——
205Berry Philip B.operating Co.inc.—003——
206Birdwell W. Russell—003——
207Burns Bobby M. & Cox Edwin L.—003——
208Corpus Christi Leaseholds Inc.—003——
209Cox & Cox Production Co.—003——
210Duquesne Natural Gas Company—003——
211Exxcel Operating Company—003——
212Gruy Petroleum Management Co.—003——
213Hackberry Realty Inc.—003——
214Jackson Energy Development Inc.—003——
215Martin Ronald L.company The—003——
216Milam Petroleum Company—003——
217Mueller Joseph P.—003——
218Phe (Texas) Inc.—003——
219Platinum Oil & Gas L.L.C.—003——
220Rockin H Resources LLC—003——
221Tamarack Petroleum Company Inc.—003——
222Texas Injection L.P.—003——
223Texas Les & Co.—003——
224Vac Stop SWD LLC—003——
225Valence Operating Company—003——
226XTO Energy Inc.—003——
227Fina Oil & Chemical Company—17102——
228Coastal Oil & Gas Corporation—14402——
229El Paso Production Oil & Gas Co.—11002——
230Wynn-Crosby Energy, Inc.—2702——
231Enron Oil & Gas Company—2202——
232Hughes, Dan A. Company—1902——
233Coates Energy Trust—1802——
234TXO Production Corp.—1602——
235Wright Brothers Energy, Inc.—1602——
236Coronado Energy E&P Company, LLC—1202——
237D.Y. Exploration, Inc.—1202——
238Pyle Petroleum—902——
239Quisto Expl. & Production, L.C.—902——
240Rlu Operating, LLC—902——
241Energy Development Corp.—802——
242Hand, Kenneth R.—802——
243Petrohawk Operating Company—802——
244Conocophillips Company—602——
245Pogo Producing Company LLC—602——
246Howard Exploration, Inc.—502——
247Trailway Oil Company—502——
248Acock/Anaqua Operating Co., LP—402——
249Barrett Brothers Oil & Gas, Inc.—402——
250Henderson Petroleum Corporation—402——
251Mayfair Minerals, Inc.—402——
252Cimarron Engineering Corp.—302——
253Kelly-Brock—302——
254Modern Exploration, Inc.—302——
255Pg&e Resources Company—302——
256Toma Oil & Gas, Inc.—302——
257Hamon, Jake L.—202——
258KCS Resources, Inc.—202——
259Southern Resource Company—202——
260Americo Oil Company—102——
261Bruington Operating, L.L.C.—102——
262Central Producers, Inc.—102——
263Denovo Oil & Gas, Inc.—102——
264Marquee Corporation—102——
265Wallis Energy, Inc.—102——
266BHP Petroleum Company Inc.—002——
267Brown George R.—002——
268Burleson Haze—002——
269BXP Operating LLC—002——
270Carl William E.—002——
271Citation Oil & Gas Corp.—002——
272CM TX Production LLC—002——
273Coastal Bend Operators Inc.—002——
274Coates George H.—002——
275Cox & Hamon—002——
276Crystal Oil and Land Co.—002——
277Cyber Enviro-Tech Inc—002——
278Dalen Resources Oil & Gas Co.—002——
279El Falcon Oil Co.—002——
280Fraley Resources LLC—002——
281Geochemical Surveys—002——
282Hugoton Operating Company Inc.—002——
283Huisache Operating Co.—002——
284Hydrocarbon Operating Inc.—002——
285K-Ser-A Operating Co. Inc.—002——
286Logue and Patterson Inc.—002——
287Magnum Producing & Operating Co.—002——
288Maple Gulf Coast Properties Corp—002——
289Marquee Corp./Sasser Oil & Gas—002——
290Mason & Company Inc.—002——
291Mission River Systems Inc.—002——
292Moncrief James E.—002——
293Nabco—002——
294Neg Operating LLC—002——
295Parva Petroleum Company—002——
296P.B. Production Inc.—002——
297Pickens Company Inc. The—002——
298Prevail Energy Incorporated—002——
299Steward Edwards & Associates—002——
300Stoddard J. B. Deceased Est.of—002——

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