COUNTIES · WILLACY · OPERATORS

Willacy 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.

#OperatorPermitsAll timeHorizontalWellsFirstLast
1Texas Oil and Gas Operating, LLC16061Sep 11, 2025Sep 11, 2025
2Citation Oil & Gas Corp.—630284——
3Venez Corp.—00107——
4Chestnut Explor. and Prod. Inc.—0068——
5Exxon Corp.—249043——
6EOG Resources, Inc.—13026——
7Cody Energy LLC—55024——
8Dewbre Petroleum Corporation—20024——
9Apollo Petro Fuels LLC—0024——
10Shoco Production LLC—0022——
11Wagner Oil Company—19021——
12Exxon Mobil Corporation—49015——
13Petroleum Management, Inc.—17014——
14Superior Oil Company, The—2014——
15Amoco Production Company—176013——
16Texaco Inc.—84013——
17Mabee Petroleum Corp.—14013——
18Pan American Petroleum Corp.—0011——
19Texaco E & P Inc.—2010——
20Proline Energy Resources Inc—009——
21Maynard Oil Co.—1508——
22Parker & Parsley Development L.P—1308——
23XTO Energy Inc.—708——
24Suemaur Expl. & Prod., LLC—3307——
25Pinnell, H. P. Trustee—1307——
26Mueller Engineering Corp.—1007——
27Smith Production Inc.—007——
28Apache Corporation—406——
29Texas Oil & Gas Corp.—006——
30Mitchell Energy Corporation—1005——
31Modern Exploration, Inc.—405——
32Gainco Inc.—005——
33Petrovybe Opco LLC—005——
34Convest Energy Corporation—1004——
35U.S. Enercorp, Ltd.—204——
36API Operating Co.—104——
37Bentsen-Whittington Oil Company—004——
38Blakenergy Operating, LLC—4503——
39Sue-Ann Operating, L.C.—403——
40Petro-Hunt Corporation—203——
41Hughes, Dan A. Company, L.P.—103——
42Birdwell W. Russell—003——
43Dallas Petroleum Group LLC—003——
44Hanson Production Company—003——
45Reserve Oil & Gas Company—003——
46Hada, J. L., Jr.—302——
47Energy Sources, Inc.—102——
48Cal-Tex Exploratn & Prod Co LLC—002——
49Cimarron Engineering LLC—002——
50Durango Resources Corp.—002——
51EP Energy E&P Company L.P.—002——
52Frost C.M. P.M. & V.W.—002——
53Humble Oil & Refining Co.—002——
54McMoran Exploration Co.—002——
55OXY USA Inc.—002——
56Quinoco Petroleum Inc.—002——
57Republic Mineral Corporation—002——
58Safari Production Company Inc.—002——
59Fargo Trading Co., Inc.—4201——
60Flint Oak Energy, LLC—1001——
61Risco la Sara Operations, LLC—901——
62MK Operating Company LLC—501——
63Saga Petroleum Corp.—401——
64Anschutz Corporation, The—301——
65El Paso E & P Company, L. P.—201——
66Kaler Energy Corp—201——
67TXO Production Corp.—201——
68Whittington Operating Company—201——
69Bettis, Boyle & Stovall—101——
70Centura Incorporated—101——
71Clay Energy—101——
72Corpus Christi Oil & Gas Co.—101——
73Crystal Oil Co.-Ley Petro. Corp.—101——
74Hawn Brothers—101——
75Lighthouse Operating, Inc.—101——
76Panther Bayou Energy, LLC—101——
77Pogo Producing Company LLC—101——
78Slimhole Engineering Co., Inc.—101——
79Bruington Operating L.L.C.—001——
80Carl Oil & Gas Co.—001——
81Cimarex Energy Co. of Colorado—001——
82Cox Edwin L.—001——
83Discovery Petroleum L.L.C.—001——
84Erin Oil Co.—001——
85Evco Incorporated—001——
86Expando Oil Company—001——
87Faulconer Vernon E. Inc.—001——
88Ffa Petroleum Services—001——
89Ffa Petroleum Services Inc.—001——
90Forest Oil Corporation—001——
91Hilcorp Energy Company—001——
92Janex Oil Co. Inc.—001——
93J. & M. Well Service Inc.—001——
94Kirkwood & Morgan Inc.—001——
95Mabee Royalties Inc.—001——
96Moore-McCormack Energy Inc.—001——
97Nadcf Recovery Group Inc.—001——
98Natural Gas Electronics Corp.—001——
99Occidental Petroleum Corp.—001——
100Phoenix Oil Field Equipment Co.—001——
101Robin Jack Co.—001——
102Shell Oil Company—001——
103Southwest Oil & Land Inc.—001——
104Trinity Environmental SWD L.L.C—001——
105US Petromex Oil & Gas LLC—001——
106White Oak Operating Company LLC—001——
107Wynn-Crosby Energy Inc.—001——
108Yturria Frank D.—001——
109MW Petroleum Corporation—1500——
110Dominion Expl. & Prod., Inc.—1400——
111La Sara Operating Company, LLC—1300——
112May Petroleum, Inc.—1000——
113Hughes, Dan A. Company—800——
114Esenjay Exploration, Inc—700——
115Petrotex Management Co.—700——
116Anschutz Exploration Corporation—600——
117Franklin, J.W. Oil Operator—600——
118Sanchez Oil & Gas Corporation—600——
119Alaniz, Ernest—500——
120Swift Energy Company—500——
121Flournoy Production Co.—400——
122Genesis Petroleum Corporation—400——
123Hanson Minerals Co.—400——
124Square Mile Energy, L.L.C.—400——
125Brigham Oil & Gas, L.P.—300——
126El Paso Production Oil & Gas Co.—300——
127Fortune Operating Company—300——
128Integral Energy Corp.—300——
129Rincon Petroleum Corporation—300——
130Sanchez-O'Brien Oil & Gas Corp.—300——
131Texas, L. Petroleum, Inc.—300——
132Tucker Operating Co., Inc.—300——
133U.S. Enercorp, LLC—300——
134Yturria-Jones Oil Company—300——
135Cimarron Engineering Corp.—200——
136Corda Corporation—200——
137Enterprise Resources, Inc.—200——
138Goldking Prod. Co.—200——
139Hoskins, L. R. & Sons, Inc.—200——
140International Oil & Gas Corp.—200——
141Midcon Texas PL Operator, Inc.—200——
142Milo Petroleum Company—200——
143National Energy Group, Inc.—200——
144Reveille Resources—200——
145Rio-Tex, Inc.—200——
146Samson Lone Star LP—200——
147Tasca Exploration Company—200——
148Venex Corporation—200——
149Wagner, Duer & Co.—200——
150Yturria-Jones—200——
151Zinke & Trumbo, Inc.—200——
152Abaco Operating, LLC—100——
153Acock Operating Limited—100——
154American Shoreline, Inc.—100——
155Anderman Operating Co.—100——
156Anderson,t.g. & Bowman,e.l.—100——
157Ayres, George C.—100——
158Bellows Operating Co., L. C.—100——
159B & M Operating Co., Inc.—100——
160Broken Hill Pty Hldgs (USA) Inc.—100——
161Carter, Kiel & R.B.O., Inc.—100——
162CNG Producing Company—100——
163D.G. Miller Oil & Gas, L.P.—100——
164Dorchester Exploration, Inc.—100——
165Duke Energy Field Services, LP—100——
166Energy Development Corp.—100——
167Esenjay Petroleum Corp.—100——
168Fossil Exploration, Inc.—100——
169Geo Exploration, Inc.—100——
170Griffin, S.M. Oil, Inc.—100——
171Gruy Petroleum Management Co.—100——
172Harkins & Company—100——
173Hunt Petroleum Corporation—100——
174King Operating Corporation—100——
175Lgdc Corporation—100——
176Madera, R. F.—100——
177McCormick Oil & Gas Corp.—100——
178Medallion Oil Co.—100——
179Mesquite Prod. & Explor., Inc.—100——
180Miramar Petroleum, Inc.—100——
181Mobil Producing TX. & N.M. Inc.—100——
182Neuhaus, V. F. Properties—100——
183Osborn Heirs Company—100——
184Paragon Resources, Inc.—100——
185Petromex Oil and Gas, LLC—100——
186Petro Tejas, Inc.—100——
187Pickens Company, Inc., The—100——
188Pioneer Natural Res. USA, Inc.—100——
189Poff, H. Bryan—100——
190Quintana Pet. Corp.—100——
191Rea Oil & Gas, Inc.—100——
192Reef Exploration, Inc. (A-1)—100——
193Rimco Production Company, Inc.—100——
194Rose, James O.—100——
195Saga Pet. Ltd Liability Co of Co—100——
196Samedan Oil Corporation—100——
197Santos USA Corp.—100——
198Shell Western E&P Inc.—100——
199Speyrer Oil & Gas, Inc.—100——
200Stringer Oil & Gas—100——
201Suemaur Exploration, Inc.—100——
202Sun Expl. & Prod. Co.-Corpus—100——
203Swift Energy Operating, LLC—100——
204Taubert & Steed—100——
205Templeton Energy, Inc—100——
206Texas Gas Exploration Corp.—100——
207Texas Ranger Oil Company, The—100——
208Thorp Petroleum Corporation—100——
209Timberwolf E&P LLC—100——
210Titan Vacuum Services, LLC—100——
211Trace Exploration, Inc.—100——
212Ultra Oil & Gas, Inc.—100——
213Weaver Oil & Gas Corp.—100——

213 OPERATORS · WINDOW ON THE RRC ISSUE DATE