Petrora

COUNTIES · ATASCOSA · OPERATORS

Atascosa 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
1EOG Resources, Inc.4461944449Feb 10, 2026Sep 23, 2026
2Javelin Energy Partners Mgmt LLC9459184Jun 11, 2026Jul 31, 2026
3Marathon Oil EF LLC86408483May 4, 2026May 6, 2026
4Trailblazer Energy Resources,llc88888Jul 21, 2026Aug 4, 2026
5Pillar Efs, LLC24522Nov 7, 2025Nov 7, 2025
6Alvarado 2014 LLC1815Jul 13, 2026Jul 13, 2026
7Field Petroleum Corp.1214Oct 19, 2026Oct 19, 2026
8Zoom Inc.—00363——
9Great Plains Resources Inc.—00211——
10Petrosaurus Inc.—00184——
11Wen-BE—70161——
12Murphy Expl. & Prod. Co. - USA—1660112——
13XTO Energy Inc.—1390100——
14Mazco Energy LLC—0097——
15Phoenix Oil & Gas, Inc. (A)—151089——
16EL Dorado Oil & Gas Inc.—238082——
17Exxon Corp.—84082——
18Roland Oil Company—0082——
19Texas American Resources Company—52072——
20Ginco Operating Co.—1072——
21Texas Empire Petroleum Corp.—1065——
22Hunters Creek Oil & Gas—0058——
23Humble Oil & Refining Co.—0056——
24Crescent Energy Operating LLC—0053——
25Calfas Oil LLC—0046——
26Starburst Energy Inc.—0046——
27Koko Skadi LLC—0045——
28Aaronmark Services LLC—0043——
29Mobil Producing TX. & N.M. Inc.—38042——
30Sahara Oil and Gas, Inc.—45041——
31Brymer Contracting Incorporated—1041——
32Production Resources Inc.—0040——
33Petro Lions, LLC—1038——
34Aminex USA Inc.—0038——
35Dorchester Operating Company LLC—0038——
36Caja Production Corp.—1035——
37Rampage Exploration Inc.—0034——
38Pearl, Bill H. Productions, Inc.—4031——
39LP Operating LLC—0030——
40Rainer Energy, Inc.—8028——
41Eagle Ford Oil Co. Inc.—0028——
42Verdun Oil & Gas LLC—5025——
43Benson, W. R.—72024——
44Campbell, L. W.—41024——
453-L Drilling—0024——
46Guinn Operating Company, LLC—4023——
47Travelers Oil & Gas Inc.—0023——
48Far, Inc.—58022——
49Valence Operating Company—38021——
50Seeker Oil Company, Incorporated—6021——
51Spiller, Robert S.—80020——
52Grande Operating & Expl. Company—5020——
53Atasco, Inc.—92019——
54U. D. Man Inc.—0019——
55Prospectors Ltd., The—27018——
56Pressly Oil Interest, Inc.—6018——
57Moxy Oil Company—0018——
58Bailey, L. J.—21017——
59Calk Oil Company—0017——
60Caltex Energy Co.—0017——
61J.P. Oil Company Inc.—0017——
62LPG Energy Company—0017——
63WJC, Inc.—20016——
64Rickaway Energy, Corp.—4016——
65Drachen Oil Company—0016——
66Exoco Energy Corp.—0016——
67Mid-Texas Resources, Inc.—42015——
68Ineos USA Oil & Gas LLC—0015——
69Petroleum Oilfield Services Inc.—0015——
70Quintanilla Tony C.—0015——
71Atlas Operating LLC—1014——
72Oilex Int L Investments Inc.—0014——
73Tomahawk Petroleum—0014——
74Pullin Lease Service, Inc.—17013——
75Britanco, L.L.C.—1013——
76Capital Star Oil & Gas Inc.—0013——
77Creative Oil and Gas OP II LLC—0013——
78Mojave Resources LLC—0013——
79Watson Energy Investments LLC—0013——
80Virtex Operating Company, Inc.—26012——
81Freeman J. L. Oper.—0012——
82Trinity Operating (Usg), LLC—26011——
83Acorn Oil & Gas LLC—0011——
84Longshot Energy LLC—0010——
85Salvor Petroleum—0010——
86Cude, James W. Oil—9309——
87Santex Energy Inc.—9309——
88Texas American Oil Corp.—8009——
89Amoco Production Company—1609——
90Karnei, Harlan—1209——
91Somerset Insulation Inc.—909——
92Caltate Energy Corp.—209——
93Bayport Operating Inc.—009——
94Black Jack Services L.L.C.—009——
95Calk Roger D.—009——
96Paisano Production Inc.—009——
97Enserch Exploration, Inc—4908——
98Cromoco, Inc.—4408——
99Seagull Operating Co. Inc.—3608——
100Miller, W. C. Operating Company—1308——
101Tejas Petroleum Corporation—808——
102Arben Oil Inc.—008——
103Calame Richard—008——
104Coleshire Oil & Gas Co. Inc.—008——
105DKW Energy Inc.—008——
106Exxcel Operating Company—008——
107Strata Star Petroleum Corp.—008——
108Flori-Tex Energy Corp.—3307——
109Chevron U. S. A. Inc.—2107——
110Bay Rock Operating Company—1107——
111Alco Oil Company—1007——
112Durango Production Company, Inc.—307——
113Guinn Operating Company—207——
114Core E & P Corp.—007——
115Delong Horace—007——
116Eise Oil Inc.—007——
117HD Oil Company—007——
118Kentex Petroleum Inc.—007——
119Medallion Oil Company—007——
120NXS Oilfield Services LLC—007——
121Balcones Oil Co., Inc.—606——
122RMF Investments, Inc.—606——
123Mercury Exploration Co.—306——
124Lancelot Operations, Inc.—206——
125Rosner, S.—106——
126Allen & Shumate Inc.—006——
127Deason Oil & Gas Interests—006——
128Five Star Operating Company—006——
129K C Petroleum Inc.—006——
130Ohlhausen Petroleum Company—006——
131Petro-Ops LLC—006——
132Premier Technology Inc.—006——
133Verdun Oil EF II LLC—006——
134H. & J. Drilling Company—2605——
135Pedeco, Inc.—2505——
136Excalibur E & P, LLC—1605——
137Gulf Oil Corp.—1605——
138Newfield Exploration Company—1405——
139K2 Petroleum, Inc.—705——
140Amal Oil Co, Inc.—605——
141Beta Oil Corporation—605——
142Grindl, Anthony R.—605——
143Ampak Oil Company—405——
144Bristol Oil & Gas Corporation—105——
145Kemco Oil—105——
1463 W Investments LLC—005——
147American Eagle Resources Inc.—005——
148Bigfoot Oil LLC—005——
149Buccaneer Operating LLC—005——
150Gulfstar Properties Inc.—005——
151McDonald Burt—005——
152M & C Operating LLC—005——
153More Texas Oil—005——
154Neumann Oil Company—005——
155Ortiz Jose & Sons—005——
156Shell Oil Company—005——
157Thorne, James R.—3804——
158Burk Royalty Company—2104——
159Fossil Exploration, Inc.—1904——
160G. R. C. Production Company—1504——
161Rio Exploration Company—804——
162Ulcak, Charles L.—504——
163Regency Energy, Inc.—404——
164Rosewood Resources, Inc.—404——
165Lucros International Corporation—204——
166Milestone Enviro Services, LLC—204——
167Mobil Oil Corporation—204——
168Serra Energy, Inc.—104——
169South Texas Oilfield Sol, LLC—104——
170Arcana Operating Co. Inc.—004——
171Arnold Petroleum Inc.—004——
172Brymer Jack Contr. Serv.—004——
173Calk Operating LLC—004——
174Cottonwood Energy Dev. Corp.—004——
175Foursquare Operations—004——
176Geo Western Inc.—004——
177Gulftex Operating Company Inc.—004——
178Landor Oil Co.—004——
179L & L Investments—004——
180LMB Oil Company Inc—004——
181Merica Oil Operating Company LLC—004——
182North American Production Co.—004——
183Red Chalk Resources LLC—004——
184Thomas Exploration & Devel. Inc—004——
185Vanguard Operating LLC—004——
186Vargas Oil & Gas—004——
187Kimberjay Oil & Gas Company—3303——
188Catlett, E. G.—1603——
189Parker, G.R. Company, Inc—1503——
190Staccatto Energy Corporation—1503——
191Dorris Petroleum, Inc.—903——
192Arco Oil & Gas Co.—803——
193Delta Exploration Company, Inc.—803——
194Hughes & Hughes—803——
195Hughes, Dan A. Company—603——
196Mid-Continental Petroleum, Inc.—603——
197Carr, F. William—503——
198Emerson Oil Company—503——
199Stokes, O. K.—403——
200Mosbacher Energy Company—303——
201Somex Energy Company—303——
202Bledsoe, R.K. Trust Oil Operator—203——
203Cude Petroleum, Inc.—203——
204Eex Operating, L.P.—203——
205Murmak Oil Company—203——
206Santa FE - Windsor Producing Co.—203——
207J & L Resources, Inc.—103——
208Johnson, C. D.—103——
209Leede Oil & Gas Inc.—103——
210Ralyn Corp.—103——
211SNG Operating, LLC—103——
212Abraxas Production Corporation—003——
213Andrews & Corkran L.L.C.—003——
214Avighna Energy Inc—003——
215Bar V Energy LLC—003——
216Calfas Cattle & Oil LLC—003——
217Crystal Resources Inc—003——
218Doran W. H. Jr.—003——
219Duncan Production—003——
220Flat Top Operating LLC—003——
221Gain Energy Inc.—003——
222Global Training Academy Inc.—003——
223Horn Drilling Company—003——
224H & T Oil & Gas Company Inc.—003——
225Jamco Oil—003——
226JPW Energy L.L.C.—003——
227Jwo Energy LLC—003——
228Lone Star Prod. Co.—003——
229Maverick Energy Group Inc.—003——
230Mssk Consulting LLC—003——
231Neese Ivel A.—003——
232Oil Country Corporation—003——
233Ragars Oil & Gas Co.—003——
234Repsol Oil & Gas USA LLC—003——
235R W Ranch—003——
236Southwest Loop 1604 Ltd.—003——
237Strahan J. A.—003——
238Tipco—003——
239Triple S Energy—003——
240United Production Co. Inc.—003——
241Weeks C. W.—003——
242WSM—003——
243Kelpetro, Inc.—2202——
244Pioneer Natural Res. USA, Inc.—1902——
245Comstock Oil & Gas, LP—1302——
246Atascosa Exploration, LLC—1202——
247Explorer Energy Corp.—802——
248J. D. Production—802——
249Rio-Tex, Inc.—802——
250Dewbre Petroleum Corporation—702——
251Chaparral Natural Resources,inc.—602——
252Mosbacher Production Co.—602——
253Huntington Energy, L.L.C.—502——
254Tidal Petroleum, Inc.—402——
255Associated Services, Inc.—302——
256Bass Enterprises Production Co.—302——
257Peninsula Resources Corp.—302——
258STX—302——
259Anacacho Energy Company—202——
260Del Petroleum Corporation—202——
261Jjrs Investments Inc.—202——
262Palmco Management Co.—202——
263Texas Royalty Corp.—202——
264Whitewater Resources LLC—202——
265Eagle Rock Operating Company,llc—102——
266Propet Oil & Gas Inc.—102——
267Tenneco Oil Co.—102——
268Texas Secondary Oil Corporation—102——
2693-G Operating Company—002——
270Atlantic Richfield Co.—002——
271Azx Petroleum—002——
272B-F Service Company—002——
273Blackjack Operating L. L. C.—002——
274Bluco Production Co. Inc.—002——
275Blue Quail Oil Co.—002——
276Cal Oil Company—002——
277Centex Development—002——
278Comanche Well Service Corp.—002——
279Cushman Richard S.—002——
280Espey Silica Sand Company—002——
281Essex & Armstrong—002——
282Green Star—002——
283HRH Operating Account—002——
284Jenex Petroleum Corporation—002——
285Lynch W. Waldo—002——
286Magnolia Oil & Gas Operating LLC—002——
287Matrix Energy Inc.—002——
288McDay Energy Corp.—002——
289Momentum Oil & Gas LLC—002——
290National Petroleum Co.—002——
291Nutek Oil Inc—002——
292Parker George Estate—002——
293Pathfinder Petroleum Inc.—002——
294Phoenix Operating Co.—002——
295Serita Oil Company—002——
296Sharon Hunter Resources Inc.—002——
297Sierra Petroleum Corporation—002——
298Sonora Petroleum Corp.—002——
299Stokes King—002——
300Sto Operating Company—002——

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