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.58850149Dec 12, 2016Feb 20, 2026
2KA Energy OP Co. LLC131300May 26, 2017Nov 15, 2017
3Merit Energy Company12220649Jun 26, 2018Jan 9, 2025
4Mortimer Production Company724056Aug 13, 2021Jun 14, 2024
5Trap Rock Oil, Ltd.538066Apr 7, 2017Sep 21, 2018
6Royal Production Company, Inc.5604Jul 13, 2022Jun 7, 2024
7White Oak Operating Company LLC41408Jan 15, 2019Feb 5, 2019
8Triad O&G, LLC4407Feb 8, 2024Mar 27, 2026
9Smith Production Inc.49904Dec 9, 2016Apr 26, 2019
10Hilcorp Energy Company3210286Nov 20, 2019Jun 5, 2020
11Lanita Oil, LLC3503Jun 23, 2017Feb 9, 2018
12Dahco Operating, LLC3303Dec 2, 2020Jan 23, 2024
13Valor Energy, LLC3303May 10, 2017Jun 28, 2018
14Black Gold Petroleum, LLC3300Dec 19, 2018Jun 1, 2021
15Metano Energy III, LP3310Jun 14, 2018Sep 4, 2018
16Wagner Oil Company2110168Nov 20, 2017Dec 20, 2019
17Southern Tejas Asset Group LLC22029Mar 1, 2022Jul 31, 2024
18Mueller Exploration, Inc.2203Sep 2, 2025Jan 5, 2026
19Overton Park Oil & Gas LP2201Jul 15, 2022Sep 1, 2022
20Strata Operating, Inc.21000Jan 6, 2017Apr 14, 2020
21Urban Oil & Gas Group, LLC2200Jan 24, 2020Aug 12, 2022
22Petrovybe Opco LLC11089Apr 23, 2026Apr 23, 2026
23OXY USA Inc.155032Dec 16, 2016Dec 16, 2016
24Texas Independent Explor Ltd.114020Jan 25, 2023Jan 25, 2023
25L & B Oil and Gas Equipment, LLC1509Jul 31, 2019Jul 31, 2019
26Osborn,w.b. Oil & Gas Operations11108May 31, 2024May 31, 2024
27Marwell Petroleum Ltd Partnrship1108Mar 9, 2017Mar 9, 2017
28Dewbre Petroleum Corporation1907Nov 19, 2018Nov 19, 2018
29Fletcher Operating, LLC1103Nov 3, 2023Nov 3, 2023
30Rlu Operating, LLC1902Jul 7, 2017Jul 7, 2017
31Modern Exploration, Inc.1302Apr 26, 2018Apr 26, 2018
32Rincon Petroleum Corporation1201Apr 2, 2019Apr 2, 2019
33Howitzer Operating, LLC1101Dec 30, 2021Dec 30, 2021
34TAM2 Squared Operating, LLC1101May 5, 2022May 5, 2022
35Bluestone Natural Res. II, LLC11500Aug 24, 2018Aug 24, 2018
36Enterprise Products Operatingllc1200Oct 9, 2023Oct 9, 2023
37Ilex Energy Corporation1100Mar 10, 2026Mar 10, 2026
38Sage Geosystems LLC1100Jun 14, 2021Jun 14, 2021
39Shor Operating LLC1100Oct 5, 2022Oct 5, 2022
40Zenergy Inc/Reef Exploration Inc—00403——
41Mountain V Texas LLC—00243——
42Sun Expl. & Prod. Co.-Corpus—4220218——
43Sun Exploration & Production Co.—980211——
44Exxon Corp.—3680208——
45Oryx Energy Company—2530153——
46Conoco Inc.—2080116——
47Kerr-McGee Oil & Gas Onshore LLC—1960106——
48Exxon Mobil Corporation—16084——
49Varas Energy Operating Company—0066——
50RNS Oil Co.—0063——
51Poor Boy Oilfield Service—0057——
52Tenneco Oil Co.—93053——
53Continental Oil Company—34053——
54Momentum Production Corp.—0044——
55Osborn Heirs Company—16042——
56Orx Resources L.L.C.—0038——
57Neuhaus, V. F. Properties, Inc.—41035——
58Alvarez & Alvarez—0035——
59Kerr-McGee Oil & Gas Onshore LP—147032——
60Orphan Wells LLC—0032——
61Forest Oil Corporation—28031——
62Corpus Christi Oil & Gas Co.—33028——
63BZG E&P LLC—0027——
64Remco Oil & Gas Production Inc.—0027——
65McGuffin, D. B.—4024——
66Starr Operating LLC—0023——
67Hanson Production Company—15021——
68Cameron, Paul E., Jr., Inc.—23020——
69Reh Energy, Inc.—11020——
70EOG Resources, Inc.—79019——
71Bengail, Inc—1019——
72Breck Operating Corp.—1019——
73Caribbean Energy LLC II—0019——
74Texas Independent Explor., Inc.—150018——
75Humble Oil & Refining Co.—0018——
76Wagner, Duer & Co.—27017——
77Noble Energy Inc—12017——
78Scorpion Operating, Inc.—1017——
79Dugger Glenn—0017——
80J. & M. Well Service, Inc.—12015——
81Integrated Operating Corporation—10015——
82Dinero Oil Company—0015——
83Mueller Engineering Corp.—27014——
84Neuhaus, V. F.—21013——
85Ress Production Co.—0013——
86Western Global Oil Inc—0013——
87Texaco Inc.—49012——
88Shell Western E&P Inc.—42012——
89El Paso E & P Company, L. P.—37012——
90Escudo Oil & Gas LLC—0012——
91Shell Western E&P—126011——
92Shell Oil Company—62011——
93Tasca Exploration Company—36011——
94Kebo Oil & Gas, Inc.—18011——
95Starco Exploration, Inc.—15011——
96Alpha Oil & Gas LLC—0011——
97Cooper Operating LLC—0011——
98Samedan Oil Corporation—68010——
99Legend Natural Gas III, LP—49010——
100Ladd Petroleum Corp.—5010——
101Petro-Hunt Corporation—2010——
102Coastal States Gas Prod. Co.—1010——
103Clinton Oil Co.—0010——
104Geochemical Surveys Inc.—0010——
105Interfirst Bank Galveston N.A.—0010——
106Trinity River Energy Oper LLC—0010——
107Dinero Oil Corporation—909——
108Fargo Oil & Gas LLC—009——
109Total E&P USA, Inc.—2408——
110Osborn, W. B. Operator—308——
111Energy 2000, Inc.—108——
112Trek Resources, Inc.—108——
113Cities Service Oil Co.—008——
114EP Energy E&P Company L.P.—008——
115Lakeshore Operating LLC—008——
116Nadcf Recovery Group Inc.—008——
117Harkins & Company—5507——
118Exaro Energy II, LLC—2407——
119Star of Texas Energy Srvs, Inc.—1507——
120Fischer Petroleum Corporation—1107——
121Kimmell, C. E.—507——
122Pyle Petroleum Inc.—307——
123Brazos Petroleum Inc.—007——
124Continental Operating Co.—007——
125Magnum Engineering Company—007——
126Operator P-5 Not on File—007——
127Phillips Petroleum Company—007——
128Valley Petrochemicals LLC—007——
129Newgulf Petroleum, LLC—3906——
130Samson Lone Star LP—3006——
131Legacy Corporation, The—2706——
132Mortimer Exploration Company—2606——
133Carrizo Oil & Gas, Inc.—2406——
134Hughes & Hughes—1006——
135Doran Energy Corporation—806——
136Crockett, M. W.—406——
137Energy Reserves Group, Inc.—306——
138Falcon Production Co.—306——
139Sinclair Minerals, Inc.—206——
140Clark Fuel Producing Company—006——
141Discovery Petroleum L.L.C.—006——
142Jennings C. A.—006——
143Jilpetco Inc.—006——
144Mobil Oil Corporation—006——
145Mokeen Oil Company—006——
146Plains Exploration & Prod. Co.—006——
147Score Energy Company—006——
148Starr County Cattle Company—006——
149Sun Expl. & Prod. Co.-Houston—4805——
150Totalfinaelf E&P USA Inc—3105——
151Suemaur Exploration, Inc.—2005——
152Apache Corporation—1405——
153Cantera Operating, LLC—905——
154Greenbrier Oper. Co.—705——
155Texas Oil & Gas Corp.—705——
156Hawn Brothers—605——
157Lemarco Operating, Inc.—505——
158Duty Oil Co.—305——
159Altman Energy, Inc.—105——
160CTR Petroleum, Inc.—105——
161Energy Sources, Inc.—105——
162Pearl, Bill H. Productions, Inc.—105——
163Coates Energy Interests Ltd.—005——
164Santa Rita Holdings LLC—005——
165Schiefelbein Oil & Gas Company—005——
166Three C Exploration LLC—005——
167Transpacific Energy LLC—005——
168Turner & Fiske—005——
169Transtexas Gas Corporation—4104——
170Jones, J. Paul—1104——
171Ceniza Petroleum, Inc.—504——
172Newman Operating Company—504——
173Pitco Investments, Ltd.—404——
174TNT Petroleum Company, Inc.—304——
175Hope, Alvin C. Estate Of—204——
176Reserve Operating Corp.—204——
177Quigley, T. M.—104——
178Vessels, Tom—104——
1793 & 1 Trusts & Cox Edwin L.—004——
180Bellows Operating Co. L. C.—004——
181Bishop Petroleum Inc.—004——
182Cripple Creek Oil Company—004——
183El Reno Energy LLC—004——
184G. & M. Energy Company—004——
185Janan Oil Company—004——
186Morningstar Gas Inc.—004——
187Shepherd G. Frederick—004——
188Stonegate Operators Inc.—004——
189Wayne E. Glenn Associates Inc.—004——
190Edge Petroleum Oper. Co., Inc.—5203——
191M. J. G., Inc.—3103——
192Milagro Exploration, LLC—2403——
193Manges, Clinton—1703——
194Headington Oil Company, L.P.—1503——
195Eads Operating Co.—1403——
196Lpes, Inc.—1303——
197Amax Oil & Gas Inc.—1203——
198Carter Exploration Company—803——
199Champlin Petroleum Co.—803——
200Coates, George H. Estate Of—803——
201BNP Petroleum Corporation—703——
202Kerr-McGee Corporation—703——
203Natural Gas Gatherers—703——
204BPL Exploration, Ltd.—603——
205True Oil Company—603——
206Akm Company—503——
207Ricochet Energy, Inc.—503——
208Tepee Petroleum Co., Inc.—303——
209Buss Oilfield Services, Inc.—203——
210Comstock Oil & Gas, LP—203——
211Flournoy Production Co.—203——
212Hunter Petroleum Inc.—203——
213Jenkins, Winston—103——
214Kaiser-Francis Oil Company—103——
21512TH Man Energy LLC—003——
216Acock Operating Limited—003——
217Amrwr LLC—003——
218Atinum Operating Inc.—003——
219Bentsen-Whittington Oil Company—003——
220Berry Philip B.operating Co.inc.—003——
221Birdwell W. Russell—003——
222Burns Bobby M. & Cox Edwin L.—003——
223Corpus Christi Leaseholds Inc.—003——
224Cox & Cox Production Co.—003——
225Duquesne Natural Gas Company—003——
226Exxcel Operating Company—003——
227Gruy Petroleum Management Co.—003——
228Hackberry Realty Inc.—003——
229Jackson Energy Development Inc.—003——
230Martin Ronald L.company The—003——
231Milam Petroleum Company—003——
232Mueller Joseph P.—003——
233Phe (Texas) Inc.—003——
234Platinum Oil & Gas L.L.C.—003——
235Rockin H Resources LLC—003——
236Tamarack Petroleum Company Inc.—003——
237Texas Injection L.P.—003——
238Texas Les & Co.—003——
239Vac Stop SWD LLC—003——
240Valence Operating Company—003——
241XTO Energy Inc.—003——
242Fina Oil & Chemical Company—17102——
243Coastal Oil & Gas Corporation—14402——
244El Paso Production Oil & Gas Co.—11002——
245Wynn-Crosby Energy, Inc.—2702——
246Enron Oil & Gas Company—2202——
247Hughes, Dan A. Company—1902——
248Coates Energy Trust—1802——
249TXO Production Corp.—1602——
250Wright Brothers Energy, Inc.—1602——
251Coronado Energy E&P Company, LLC—1202——
252D.Y. Exploration, Inc.—1202——
253Pyle Petroleum—902——
254Quisto Expl. & Production, L.C.—902——
255Energy Development Corp.—802——
256Hand, Kenneth R.—802——
257Petrohawk Operating Company—802——
258Conocophillips Company—602——
259Pogo Producing Company LLC—602——
260Howard Exploration, Inc.—502——
261Trailway Oil Company—502——
262Acock/Anaqua Operating Co., LP—402——
263Barrett Brothers Oil & Gas, Inc.—402——
264Henderson Petroleum Corporation—402——
265Mayfair Minerals, Inc.—402——
266Cimarron Engineering Corp.—302——
267Kelly-Brock—302——
268Pg&e Resources Company—302——
269Toma Oil & Gas, Inc.—302——
270Hamon, Jake L.—202——
271KCS Resources, Inc.—202——
272Southern Resource Company—202——
273Americo Oil Company—102——
274Bruington Operating, L.L.C.—102——
275Central Producers, Inc.—102——
276Denovo Oil & Gas, Inc.—102——
277Marquee Corporation—102——
278Wallis Energy, Inc.—102——
279BHP Petroleum Company Inc.—002——
280Brown George R.—002——
281Burleson Haze—002——
282BXP Operating LLC—002——
283Carl William E.—002——
284Citation Oil & Gas Corp.—002——
285CM TX Production LLC—002——
286Coastal Bend Operators Inc.—002——
287Coates George H.—002——
288Cox & Hamon—002——
289Crystal Oil and Land Co.—002——
290Cyber Enviro-Tech Inc—002——
291Dalen Resources Oil & Gas Co.—002——
292El Falcon Oil Co.—002——
293Fraley Resources LLC—002——
294Geochemical Surveys—002——
295Hugoton Operating Company Inc.—002——
296Huisache Operating Co.—002——
297Hydrocarbon Operating Inc.—002——
298K-Ser-A Operating Co. Inc.—002——
299Logue and Patterson Inc.—002——
300Magnum Producing & Operating Co.—002——

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