Petrora

COUNTIES · ZAVALA · OPERATORS

Zavala 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
1Rosewood Resources, Inc.1018108Mar 13, 2026Sep 28, 2026
2Blackbrush O & G, LLC616610Jun 8, 2026Jun 12, 2026
3Gulftex Energy, LLC4440Apr 30, 2026May 4, 2026
4CML Exploration, LLC3162377Mar 5, 2026Jul 10, 2026
5Buffco Production Inc.177146Oct 22, 2026Oct 22, 2026
6Formentera Operations LLC11111Oct 28, 2026Oct 28, 2026
7Exco Operating Company, LP—2720269——
8Young John H. Inc.—00227——
9McDay Energy Corp.—270127——
10Trinity Operating (Usg), LLC—70088——
11Winn Exploration/Dulce Company—269047——
12Delray Oil Inc.—0035——
13Jennings Exploration Co.—100032——
14Flint Oak Energy, LLC—1031——
15Silver Rock Energy LLC—0029——
16Sun Exploration & Production Co.—5028——
17Magnolia Oil & Gas Operating LLC—6026——
18Oryx Energy Company—107023——
19J-W Operating Co.—2023——
20U.S. Energy Development Corp—45021——
21Williamson Operating Co.—4020——
22Ineos USA Oil & Gas LLC—0020——
23E-Cor, Inc.—9018——
24Crescent Energy Operating LLC—0018——
25Omni Operating Company(a)—13017——
26Atlas Operating LLC—0017——
27Rome Exploration Co, Inc.—66016——
28Conway Energy Oper Services Inc.—0016——
29Genesis St Operating LLC—0016——
30Spiller, Robert S.—31015——
31Encino Energy & Development Corp—1015——
32S-Resources LLC—0015——
33Matzinger Petroleum Co—47013——
34Sage Energy Company—33013——
35Bluestar Energy Inc.—0013——
36Winn Exploration Co., Inc.—65012——
37Hughes & Hughes—51012——
38Crimson Exploration Oper., Inc.—24012——
39Cuatro Petro Corp.—0012——
40Rio Investment Co.—0012——
41Spur Operating Co.—8011——
42Bridger Oil Inc.—12010——
43Hughes Texas Petroleum, Ltd.—1010——
44Arrco Operating LLC—0010——
45Finley Resources Inc.—0010——
46Witherspoon Oil Company—0010——
47Pearl Bill H. Productions Inc.—009——
48Texokan Operating Inc.—009——
49Lynch, W. Waldo—1708——
50Regency Energy, Inc.—908——
51Zavala Energy, Inc.—708——
52Norton Oil Co.,inc. & Grage,v.p.—608——
53Uvalde Energy Co.—408——
54White Marlin Operating Co, LLC—108——
55Picosa L.L.C.—008——
56Reo Operating LLC—008——
57Exxon Corp.—1307——
58Retama Oil Corporation—1307——
59Texaco Inc.—1207——
60Espada Operating LLC—1107——
61Cibolo Energy Operating Inc.—007——
62Property Development Group, Inc.—1106——
63Rio-Tex, Inc.—906——
64Hughes, Dan A. Company—506——
65Quatro Oil and Gas, Inc.—406——
66Remuda Operating Company—206——
67Riddle Oil Company—106——
68BXP Operating LLC—006——
69Gilley Sam D.—006——
70RHD Holdings L.L.C.—006——
71Chaparrosa Oil Company—3305——
72Omega Minerals, Inc.—2705——
73Woodham Oil Corporation—1805——
74Hawthorn Energy Partners, LLC—1105——
75Citation Oil & Gas Corp.—805——
76Spiller Operating Co., Inc.—805——
77B-G Operating Inc.—605——
78Tipperary Oil & Gas Corporation—405——
79Graham-McCormick Operating Prtn.—105——
80Anadarko E&P Company LP—005——
81Brazos Petroleum Inc.—005——
82Diversified O&G Prod. Co. Inc.—005——
83Exxcel Operating Company—005——
84G/O International Inc.—005——
85MB Energy LLC—005——
86McDaniel Company Inc. The—005——
87Oilton Resources Inc.—005——
88Texas American Resources Company—2304——
89Williamson Drilling Co., Inc.—1904——
90Overly Operating Co.—1404——
91Txco Resources Inc.—1304——
92Dawsey Operating Company—1104——
93Mole Operating Co., Inc.—904——
94Sun Expl. & Prod. Co.-Corpus—804——
95Ageron Energy, LLC—404——
96Exploration Company, The—404——
97RBD-PNB Operating Agency—304——
98Acorn Oil & Gas LLC—004——
99BTA Oil Producers—004——
100Burns R. L. Corporation—004——
101Diamond Energy Services LP—004——
102Dynamic Production Inc.—004——
103Enre L.P.—004——
104Golden Child Inc.—004——
105Houston Oil & Minerals Corp.—004——
106Strata Star Petroleum Corp.—004——
107Alamo Operating Company, L. C.—1903——
108Basin Resources Corporation—1803——
109Cabot Oil & Gas Corporation—1103——
110Mueller Engineering Corp.—1103——
111Petrohawk Operating Company—1003——
112Midwestern Exploration Co.—803——
113R. K. G. Engineering, Inc.—303——
114Rio Gas Gathering Co., Inc.—203——
115Zavala Independent Gas, Inc.—203——
1164700 Corp.—003——
117Austin Resources Corporation—003——
118Cag Petroleum Corp.—003——
119Hampton Energy Corporation—003——
120H. & J. Drilling Company—003——
121KWH Oil Company—003——
122Live Oak Gas Company—003——
123Munoz Farms Operating Co. LLC—003——
124Pacific Operators Inc.—003——
125Southwest Oil & Land Inc.—003——
126Stonegate Operators Inc.—003——
127Terra Energy—003——
128Virtex Operating Company Inc.—003——
129Chesapeake Operating, Inc.—18002——
130Sanchez Oil & Gas Corporation—3102——
131Independent Exploration Co.—2502——
132Genesis Producing Company—2002——
133Caldwell Oil & Gas Co., Inc.—1702——
134Genesis Gas & Oil LLC—1702——
135Regal Petroleum Services—1702——
136Spiller, J.A.—802——
137Inland Ocean, Inc.—602——
138Palmco Management Co.—602——
139Lynch, W. W.—502——
140Famcor Oil, Inc—402——
141Risien, H. V.—302——
142U.S. Enercorp, Ltd.—302——
143Coyle, John J.—202——
144Etoco, L.P.—202——
145Killam Oil Company—202——
146S & L Oil Field Services—202——
147First Rock, Inc.—102——
148Killam Oil Co., Ltd.—102——
149Oxson Co.—102——
150Shell Oil Company—102——
151Tesoro Petroleum Corporation—102——
152Activa Resources LLC—002——
153Barnett Energy Inc.—002——
154Baxter Kelly H.—002——
155Bobcat Operating—002——
156Bogey Oil & Gas—002——
157Botasch Operating LLC—002——
158Brockett C. H.—002——
159Brown C. Douglas LLC—002——
160Davis Oil Company—002——
161Diamond Chemicals Company—002——
162Discorbis Oil Company—002——
163Esperanza Oil & Gas Co.—002——
164Fleur-David—002——
165Frio SWD Inc.—002——
166H & F Properties—002——
167Humble Oil & Refining Co.—002——
168Intercity Management Corp.—002——
169Iwt Energy Partners LLC—002——
170Lonesome Dove Oil & Gas—002——
171Overstreet Jamie L—002——
172Production Resources Inc.—002——
173Propet Oil & Gas Inc.—002——
174Rickaway Energy Corp.—002——
175Thalmann Oilfield—002——
176Retamco, Inc—2401——
177Hughes, Dan A. Company, L.P.—2301——
178Burk Royalty Company—2201——
179Strand Energy, L.C.—1701——
180GLG Energy, L.P.—1601——
181Grelling Investments—1501——
182Electrothermic Co., The—1301——
183Ladd Petroleum Corp.—1301——
184Woodham Corporation—1301——
185Petrolero Corp.—1201——
186SN Operating, LLC—1201——
187Tech Resources, Inc.—1201——
188Warncke, Glennwood—1201——
189EL Toro Resources LLC—1101——
190Dinero Oil Corporation—1001——
191Koven Production Co.—801——
192Scott, Travis & John Williamson—801——
193Cachara Oil & Gas Co.—701——
194Gulf Oil Corp.—701——
195McCord Exploration Co.—601——
196Newfield Exploration Company—601——
197Sabinal Resources, Inc.—601——
198Texas Southern Resources, Inc.—501——
199Centaur Exploration LLC—401——
200Kinlaw Oil Corporation—401——
201Little, J. Paul Trustee—401——
202Mesquite Land & Minerals, Inc.—401——
203Retamco Operating, Inc.—401——
204Continental Oil Company—301——
205Glenco Oil & Gas Company—301——
206Hamilton, Clay—301——
207Mortimer Exploration Company—301——
208Rio Grand Exploration, LLC—301——
209Three Arrow Operating Company—301——
210Tidal Petroleum, Inc.—301——
211Tubular-Wellhead Services, Inc.—301——
212Wainoco Oil & Gas Company—301——
213Dantex Oil & Gas, Inc.—201——
214Driver Investments, Inc.—201——
215Geoland, Inc.—201——
216Graham Exploration, Ltd.—201——
217Lovelady, Ike Inc.—201——
218Moore-McCormack Energy, Inc.—201——
219San Antonio Gas & Oil, Inc.—201——
220Shawnee Operating Company—201——
221Texas Eastern Developments, Inc.—201——
222Texas SPC Co—201——
223Civron Petroleum Res., LLC—101——
224Coates Energy Trust—101——
225Coho Resources Inc.—101——
226Gulf Production Corp.—101——
227Meridian Oil Inc.—101——
228Plano Petroleum Corporation—101——
229PNG Operating Company—101——
230Prime Operating Company—101——
231Roma Oil and Gas, Inc.—101——
232Sojourner Drlg. Corp.—101——
233Thalmann Oil Field Service, Inc.—101——
234Tidelands Oil Corporation—101——
235Windsor Exploration Company—101——
236XOG Operating LLC—101——
2371776 Energy Operators LLC—001——
238907 Oil LLC—001——
239Bolin Deryl G.—001——
240Box Ward L.—001——
241Brymer Operating—001——
242Caldwell Limited Partnership—001——
243Cole Frank W Engineering—001——
244Comanche Crude Oil Co.—001——
245Contango Resources LLC—001——
246Core E & P Corp.—001——
247Cornerstone Oil & Gas Inc.—001——
248Crimson Exploration Inc.—001——
249Duplantis Energy LLC—001——
250Eagle Oil & Gas Co.—001——
251Eez Operating Inc.—001——
252EL Indio Operating Co. Inc.—001——
253Forest Oil Corporation—001——
254Forman Exploration Co.—001——
255Gates Operating Company—001——
256Gulf Energy Producing Company—001——
257Johnson B. K.—001——
258Joint Resources Company—001——
259Legacy Exploration Inc.—001——
260L & J Exploration LLC—001——
261Longhorn Oil Properties Inc.—001——
262Lynch Wilbur Waldo Estate OF—001——
263McCormick Operating Partnership—001——
264Millennium Petro-Physics Inc.—001——
265Momentum Production Corp.—001——
266Mueller Exploration Inc.—001——
267Occidental Energy Company Inc.—001——
268Offspring Well Salvage—001——
269Operator P-5 Not on File—001——
270Pavco Oil & Gas Inc.—001——
271Pronghorn Oil & Gas Co.—001——
272Quasar Exploration & Energy Inc.—001——
273R.B.S. Oil & Gas Inc.—001——
274Red Byrd Oil LLC—001——
275R. H. Energy Co. Inc.—001——
276Rutledge Jack—001——
277Shaw T. G.—001——
278Showdown Energy Corporation—001——
279Silver Hill Energy Operating LLC—001——
280Sjtc Holdings Inc.—001——
281Snyder Oil Corporation—001——
282Southwest Intl Mining & Minerals—001——
283STP Production LLC—001——
284Stringer Oil Properties—001——
285Terrafina Energy LLC—001——
286Texxco Energy Services Inc—001——
287Tiza Energy Inc.—001——
288TMH Oil Company—001——
289Total Production Services Inc.—001——
290Trium Ltd.—001——
291U.S.A. Plugging Company—001——
292Verdun Oil & Gas LLC—001——
293Viceroy Petroleum LP—001——
294World Producers Inc.—001——
295Sundown Drilling Co.—5500——
296Dulce Co., The—2700——
297O.G.P. Operating, Inc.—2700——
298Sunoco Energy Development Co.—2200——
299Berenergy Corporation—2000——
300Getty Oil Co.—1900——

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