Petrora

COUNTIES · FRIO · OPERATORS

Frio 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
1Formentera Operations LLC43683864Nov 24, 2025Sep 23, 2026
2Rosewood Resources, Inc.11351135Jun 16, 2026Jul 27, 2026
3Central Gulf Petroleum Inc101004Dec 2, 2025Oct 16, 2026
4Texas American Resources Company875815Dec 15, 2025Oct 7, 2026
5Arete Operating Company, LLC3622Dec 16, 2025Jun 12, 2026
6EOG Resources, Inc.1412Feb 23, 2026Feb 23, 2026
7MB Energy, LLC1200Sep 10, 2026Sep 10, 2026
8Maverick Energy Group, Inc.—1320428——
9Javelin Energy Partners Mgmt LLC—390233——
10Wilson Vern Energy Inc.—00127——
11U.S. Jimoil Corporation—00110——
12Trinity Operating (Usg), LLC—1280104——
13Diamond Energy Services LP—0089——
14Blackbrush O & G, LLC—32081——
15Watson Energy Investments LLC—0072——
16Trailblazer Energy Resources,llc—13070——
17Williams Clayton Energy Inc.—0059——
18Bigfoot Oil LLC—10057——
19Oryx Energy Company—94051——
20Ginco Operating Co.—2049——
21Vac-U-Lift Production Co.,inc.—1046——
22Creative Oil and Gas OP II LLC—0040——
23Virtex Operating Company, Inc.—95039——
24Tex-Hex Corp.—6039——
25Tamarack Petroleum Company, Inc.—16038——
26Eliteenergyholdings LLC—0038——
27U.S. Energy Development Corp—49037——
28Exxcel Operating Company—0036——
29Union Pacific Resources Company—19033——
30Brazos Petroleum Inc.—0033——
31Lease Rollover Operations Inc.—0028——
32Exco Operating Company, LP—27026——
33Tipperary Oil & Gas Corporation—91025——
34Mormac Oil & Gas Co.—4022——
35Propet Oil & Gas Inc.—3022——
36Merica Oil Operating Company LLC—0022——
37V.A.C. Petroleum Inc.—0022——
38LP Operating, LLC—17021——
39Fulcrum Energy Operating LLC—0019——
40Southland Royalty Company—0019——
41Southwest Oil & Land Inc.—0019——
42Sydri Operating LLC—0019——
43Texas Southern Petroleum Corp.—0019——
44Fair Energy—59018——
45Chesapeake Operating, Inc.—37017——
46Gilley Sam D.—0017——
47Tiza Energy Inc.—0017——
48American Eagle Resources Inc.—0016——
49Flint Oak Energy LLC—0016——
50Cibolo Energy Operating Inc.—0015——
51Pontiac Oil Inc.—0015——
52BRC Operating Company LLC—39014——
53Lawbar Petroleum, Inc.—21014——
54First Rock, Inc.—12014——
55Fair Oil Company—7013——
56Neumann, Alfred—5013——
57Golden Child, Inc.—1013——
58Express Oil and Gas—0013——
59Frio-Tex Oil & Gas Co.—0013——
60Lonestar Operating LLC—0013——
61Stonegate Operators Inc.—0013——
62Ageron Energy, LLC—15012——
63Hughes, Dan A. Company, L.P.—9012——
64Seago Petroleum, Inc.—2012——
65Aaronmark Services LLC—0012——
66Kaiser-Francis Oil Company—0012——
67Shell Oil Company—38011——
68BTA Oil Producers—0011——
69Perdido Energy LLC—0011——
70Tularosa Operating Company—11010——
71Altair Energy Corp.—10010——
72Mueller Exploration, Inc.—7010——
73Mazco Energy LLC—1010——
74Downing Well Service Inc.—0010——
75Genesis Well Service—0010——
76WCS Oil and Gas Corporation—1209——
77Tobin, Don F.—309——
78U.S.A. Plugging Company—309——
79Producers Engineering Company—209——
80Verdun Oil EF II LLC—009——
81Zapata Oil Recovery Co.—009——
82Weber Energy Corporation—3408——
83Getty Oil Co.—908——
84Britanco, L.L.C.—208——
85Collier Diamond -C- Oils, Inc.—208——
86Lone Star Operating Company—108——
87Cox & Cox Production Co.—008——
88HS Resources Inc.—008——
89Phoenix Oil Field Equipment Co.—008——
90Searoc Oil Company, Inc.—3107——
91Glenco Oil & Gas Company—1007——
92Minerals of Texas, Inc.—507——
93Dantex Oil & Gas, Inc.—407——
94McDay Energy Corp.—407——
95Impetro Operating LLC—207——
96Baxter, Kelly H. Oil and Gas Co.—107——
97Maxus Exploration Company—107——
98Benchmark Texas Petroleum LLC.—007——
99B & M Operating Co. Inc.—007——
100Brown Tom Inc.—007——
101D90 Energy LLC—007——
102Dick William J. Jr.—007——
103Haass Ranch Oil Company LLC—007——
104Jab Operating Inc.—007——
105Lemon Richard G.—007——
106Rea Oil & Gas Inc.—007——
107Stratco Operating Co. Inc.—007——
108Wooldridge Oil & Gas—007——
109Kinlaw Oil Corporation—4106——
110Virtex Petroleum Company, Inc.—3506——
111JB Oil & Gas Well Service—706——
112Goldking Prod. Co.—306——
113Mineral Resources, Incorporated—306——
114Beard Energy Group, Inc.—206——
115Huisache Operating Co.—206——
116Omber Petroleum & Energy Corp.—206——
117Frio SWD Inc.—006——
118Ineos USA Oil & Gas LLC—006——
119Jenex Operating Company of Texas—006——
120McDaniel Company Inc. The—006——
121Mormac Energy Corporation—006——
122Offspring Well Salvage—006——
123Palmco Management Co.—006——
124Texas Oil and Gas Operating LLC—006——
125Dale Operating Company—3505——
126Property Development Group, Inc.—2805——
127Hughey, W. R., Operating Co.—1705——
128Arrow Petroleum Company—1305——
129Jay-Dee Operating Company—1305——
130Crown Petroleum Inc.—905——
131Parker & Turner—605——
132Flag-Redfern Oil Company—405——
133Sage Energy Company—405——
134Hanson Operating Company, Inc.—305——
135Inexco Oil Company—205——
136Clipper Operating Co., Inc.—105——
137Coastal Oil & Gas Corporation—105——
138Omni Operating Company(a)—105——
139Ritchie, H. G. Jr.—105——
140Aresco Operating LLC—005——
141Atlas Energy Corp.—005——
142Barnett Energy Inc.—005——
143Baxter Kelly H.—005——
144Claron Corporation—005——
145Crescent Energy Operating LLC—005——
146Crystal Resources Inc—005——
147D. and Y. Yunk Productions—005——
148Drexel Operating Company—005——
149Driscoll S.W.D. Inc.—005——
150Eagle Rand Energy Corporation—005——
151Neumann Oil & Gas LLC—005——
152Owen Operating Company Inc.—005——
153Silver Anchor Resources LLC—005——
154Smal Energy Corp—005——
155Somex Energy Company—005——
156Tesoro Petroleum Corporation—005——
157Wilkins Petroleum—005——
158Zeus Production Inc.—005——
159Williams, Clayton W., Jr., Inc.—7704——
160Ellsworth, H. P. O&G Properties—1104——
161Auburn Enterprises, Inc.—904——
162McA Petroleum Corporation—804——
163Fox and Holland—504——
164MGF Oil Corporation—404——
165Noremac, Inc.—404——
166Texas Southern Energy Corp.—404——
167C6 Operating, L.L.C.—304——
168Chiodo Corp.—304——
169Fortune Operating Company—304——
170McRae Horizontal Drilling, Inc.—304——
171Tana Oil & Gas Corp.—204——
172Vega Petroleum Corporation—204——
173Cude Petroleum, Inc.—104——
174Johnson Sanford OP Co., Ltd—104——
175Amax Oil & Gas Inc.—004——
176Arrco Operating LLC—004——
177Austin Oil Company—004——
178Brymer Jack Contr. Serv.—004——
179Caltex Energy Co.—004——
180Challenger Oil Inc—004——
181Core E & P Corp.—004——
182Doran W. H.—004——
183Eagle Ford Oil Co. Inc.—004——
184J Bar Operations Inc.—004——
185Kain Petroleum LLC—004——
186Ksabe Energy Partners LLC—004——
187Legacy Corporation The—004——
188Moseley & McKissack Res LLC—004——
189Neumann Oil Company—004——
190Park Place Petroleum Inc.—004——
191Pearco—004——
192Primo Resources Inc.—004——
193Raven Services Inc.—004——
194Riley Clovis Inc.—004——
195Rio-Tex Inc.—004——
196Samson Resources Company—004——
197Satex Energy Inc.—004——
198Schaaron International Energy—004——
199Serra Energy Inc.—004——
200Vermillion Production Inc.—004——
201Cabot Oil & Gas Corporation—28603——
202Crown Production Co., Inc.—3503——
203Major Exploration, Inc—2503——
204H.L.S. Energy Co., Inc.—2203——
205Fair Oil, Ltd.—2003——
206GLG Energy, L.P.—1903——
207Sandia Energy Corporation-NM—1903——
208Cantro Exploration, Inc.—1603——
209Windsor Exploration Company—1103——
210Overly Operating Co.—903——
211Flournoy Production Co.—603——
212Champlin Petroleum Co.—503——
213Mayo Oil Co.—503——
214Robin-Wood Petr. Inc.—503——
215H-M Oil Company—303——
216Kaler Energy Corp.—303——
217Mantle Oil & Gas, LLC—303——
218Ancira, Robert—203——
219Black Gold Operating Co., Inc.—203——
220Killam Oil Co., Ltd.—203——
221Light Resources—203——
222Texan Production—203——
223Texan Production Company, Inc.—203——
224W.G. Investment—203——
225Bay Rock Corp.—103——
226Ran Energy, Inc.—103——
227Rclj Construction, Inc.—103——
228Allerco Inc.—003——
229Anadarko E&P Company LP—003——
230Callon (Eagle Ford) LLC—003——
231Enhanced RS Inc.—003——
232Freedom Energy Ltd.—003——
233Frio Oil & Gas Ltd.—003——
234Hawthorn Energy Partners LLC—003——
235Hec Petroleum Inc.—003——
236Hickson Energy Corporation—003——
237H & M Casing Pulling Co.—003——
238Holiday Resources Inc.—003——
239Holloway Oil Company—003——
240Horizon Natural Resources Inc.—003——
241J & M Well Salvage Company—003——
242Lasalle Marine Corporation—003——
243Mosaic Texas LLC—003——
244NGL Watersolutions Eagleford LLC—003——
245Nijean Inc.—003——
246Oasis Inc.—003——
247Okla. Magic Circle Energy Corp.—003——
248Parker George Estate—003——
249Phillips Jack L.—003——
250Posey David C.—003——
251Reyes-Garza Petroleum Inc.—003——
252Richey Ray Management Co. Inc.—003——
253Schero Joe E.—003——
254Silver Rock Energy LLC—003——
255Snyder John C. Inc.—003——
256South Coast Oil & Gas Co.—003——
257Taylor Howard S.—003——
258Tex-Kan Industries Inc.—003——
259Walter Exploration Inc.—003——
260Well Solutions Inc.—003——
261Zorra Oil & Gas—003——
262Blackbrush O & G, Inc.—6502——
263EF Energy, L.L.C.—4702——
264Stonegate Production Company,llc—3502——
265Christico Petroleum Company—2502——
266U.S. Enercorp, Ltd.—1902——
267Cheyenne Petroleum Company—1602——
268Central Texas Oil & Gas—1502——
269Ampak Oil Company—1402——
270Exxon Corp.—1302——
271Edco Energy, Inc.—902——
272Hoskins, L. R. & Sons, Inc.—902——
273Rio Bravo Royalty Co.—902——
274Tejas Production Co—602——
275Texas International Resource LLC—602——
276Freeman Energy, Inc.—502——
277Texakoma Oil & Gas Corporation—502——
278Amac Energy, L.L.C.—402——
279Cannan, Morris—402——
280Jenex Petroleum Corporation—402——
281Shield Petroleum—402——
282V/J Oil Company—402——
283Apache Corporation—302——
284Burk Royalty Company—302——
285C and S Oil & Gas—302——
286Capitol Operating & Expl., Inc.—302——
287Nutek Oil Inc—302——
288Seeker Oil Company, Incorporated—302——
289MKS Services, LLC—202——
290Seagull Operating Co. Inc.—202——
291Cox, Edwin L.—102——
292Ferguson Oil & Gas Inc.—102——
293MG Exploration, Inc.—102——
294Placid Oil Company—102——
295Winter Garden Supply, Inc.—102——
2964 Corners SWD Inc.—002——
297Argyle Energy Company—002——
298Baylor Operating LLC—002——
299Bay Rock Operating Company—002——
300Big 6 Drilling Company—002——

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