Petrora

COUNTIES · BEXAR · OPERATORS

Bexar 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
1JM Calk Operating, LLC77024Dec 15, 2025Feb 19, 2026
2Enterprise Products Operatingllc11200Jun 5, 2026Jun 5, 2026
3South Sam Operating Company LLC—00945——
4Great Plains Resources Inc.—00431——
5Wilson M. P.—00287——
6Seagull Operating Co., Inc.—2040265——
7EL Dorado Oil & Gas Inc.—7760263——
8Seeker Oil Company, Incorporated—1290250——
9Root Drilling Company—00183——
10MDF Oil Company—00164——
11Ginco Operating Co.—00160——
12Petrosaurus Inc.—00139——
13Koko Skadi LLC—00134——
14Oilex Int L Investments Inc.—00112——
15South Loop Operating L.C.—00101——
16R.D. Oil Company—776097——
17Crystal Resources Inc—0097——
18Calk Roger D.—0091——
19Sorto Peters God—0081——
20Cottonwood Energy Dev. Corp.—62075——
21Azul Inc.—0070——
22Starr Operating Company—0070——
23Premier Technology Inc.—0062——
24Calfas Oil LLC—0061——
25NU Oil Co. Inc.—0058——
26Stokes, King—14055——
27Lucros International Corporation—0053——
28Phoenix Oil & Gas, Inc. (A)—18049——
29Yturri, Robert & John—2048——
30Duncan Production—44043——
31Buttram Energies, Inc.—1043——
32Flori-Tex Energy Corp.—69042——
33Haggard Operating Group/Oil—0039——
34Plascencia Luis E—0039——
35Oil Country Corporation—36037——
36Simco Oil LLC—0037——
37Brander Sam H.—0035——
38Red Chalk Resources LLC—0035——
39Cactus Gas & Oil Inc.—0034——
40Drachen Oil Company—0034——
41Mojave Resources LLC—0034——
42Kleberg R.M. Jr. Trusts—0033——
43Padon, R. H.—5032——
44More Texas Oil—0032——
45Marchiori, Joe—1031——
46Grande Operating & Expl. Company—25029——
47Paisano Production Inc.—0029——
48Dorris Petroleum, Inc.—103028——
49Calk Oil Company—2028——
50Five Star Energy Operations—0027——
51Old Chief Oil LLC—0027——
52Miranda Energy Corporation—33026——
53Petro-Tex Energy & Expl.co.,inc.—149024——
54Far, Inc.—82024——
55Production Resources, Inc.—7024——
56Virtex Petroleum Company—6024——
57Schimmel, V.G.—115023——
58Somerset Insulation Inc.—49023——
59Hardwick Ross H. Oil Company—0023——
60Richardson Oil Co.—0023——
61Aminex USA, Inc.—6022——
62Petro Lions, LLC—2022——
63Advanced Tertiary Oil Recvry Inc—0022——
64Gonzalez Eugene Jr—0022——
65U. D. Man, Inc.—10021——
66Spain Oil Company—1021——
67Brown, Gilbert L.—27020——
68Tejones Operating Corporation—0020——
69K2 Petroleum, Inc.—27019——
70Petrowest, Incorporated—21019——
71CG Oil Co.—84018——
72Caltate Energy Corp.—28018——
73Silver Falls Petroleum Corp.—72017——
74Pearl Bill H. Productions Inc.—0017——
75Aransas Oil Company, Inc.—7016——
76Straus Medina Ranch—0016——
77Alco Oil Company—24015——
78Sonora Oil Company—20015——
79Downing Well Service Inc.—0015——
80Genie Oil Company—0015——
81Southwest Bailer Pump Co.—64014——
82LA Roca Oil Company—20014——
83Vannatter, Louis E.—14014——
84J-Energy—0014——
85Ohlhausen Petroleum Company—0014——
86Mims, William S.—1013——
87Park Avenue Resources Inc.—0013——
88Quest Research & Dev. Corp.—0013——
89Salas-Apache Oil LLC—0013——
90Casias Oil Well Service, Inc.—20012——
91Turner, L. M. Jr.—12012——
92Doege Donald—0012——
93Drachen Energy Co.—0012——
94Partin Charles—0012——
95Texas American Oil Corp.—31011——
961859 Operating LLC—23011——
97Five Star Operating Company—2011——
98Calame Richard—0011——
99Diamond Trading & Pipeline Corp—0011——
100Kipling, Inc.—259010——
101Bama-Tex Oil Co. Inc.—0010——
102Calfas Cattle & Oil LLC—0010——
103Jamco Oil—0010——
104Simo Oil Corp.—0010——
105Ria Mia Corp.—10809——
106Chaparral Producers—2609——
107Dodson, Fred, Jr.—1309——
108Sparkle Oil & Gas, Inc.—1309——
109Clark, G. A., Trustee—1009——
110Spiller, Robert S.—109——
111Eise Oil Inc.—009——
112Quintanilla Tony C.—009——
113Tobosa Oil and Gas Company—009——
114Vargas Oil & Gas—009——
115BMW Resources, Inc.—908——
116Texas Secondary Oil Corporation—308——
117Aaronmark Services LLC—008——
118Fuego Energy LLC—008——
119K.A. Barnes Oil & Gas Oper LLC—008——
120Ralyn Corp.—008——
121Akm Company—18807——
122Bar M Petroleum Co., Inc.—1307——
123Iti Oil & Gas, Inc.—1207——
124Rainer Energy, Inc.—907——
125Somerset Oil & Gas Company—907——
126Barnes, K. A.—407——
127Beta Oil Corporation—107——
128Clamp Operating Incorporated—107——
129Sherwood, Randolph A.—107——
130Big Country Operating & Well Ser—007——
131Black Jack Services L.L.C.—007——
132Civron Petroleum Res. LLC—007——
133Koch I. Ernest—007——
134Lone Star Operating Company—007——
135Martinez Oil & Gas LLC—007——
136Quail Oil Co. Inc.—007——
137T. W. Oil Co.—5606——
138Barnes-Holder, Inc.—1906——
139Cude, James W. Oil—706——
140Arben Oil Inc.—006——
141Genie Oil Company A—006——
142Landor Oil Co.—006——
143Rushing Oil Co.—006——
144Southwest Loop 1604 Ltd.—006——
145Hodge, C. Energy Inc.—2705——
146Watson, A. D.—2405——
147Emerald Bay Energy, Inc.—1405——
148James, J. W.—805——
149Azx Petroleum—505——
150Blackbird Oil & Gas, LLC.—405——
151Ernst Enterprises—305——
152Pentex Exploration, Inc.—305——
153Cover, Donald R.—205——
154Mid-States Management—205——
155Raol Company, The—205——
156A&b Pipeline of Texas Inc.—005——
157Aelvoet Brothers—005——
158Cannan Morris—005——
159City Water Board-San Antonio—005——
160Durango Production Company Inc.—005——
161Exxcel Operating Company—005——
162Haslett Terry E.—005——
163Petrales Oil Company—005——
164P.S.N. Petroleum Inc.—005——
165Rao Oil Company—005——
166Texas Oil and Gas Operating LLC—005——
167Three J Energy Inc.—005——
168Verstraeten Bros Farms Inc—005——
169Well Watchers—005——
170Mid-Texas Resources, Inc.—4104——
171Utopia Oil Company—4104——
172Great Southwest Explor&drilling—3804——
173C-M Petroleum Co.—1304——
174Bright Hawk Operating Company—604——
175Neal, Leslie R.—604——
176S.B.G. Oil Co.—604——
177Stokes, B. H.—604——
178Holmes, J.C. Oil Co., Inc.—304——
179JB Oil & Gas Well Service—304——
180Hoppe Oil & Gas Company, Inc.—104——
181Luckett, Dwight & Agnes G.—104——
182Baker Earl M. Estate of Deceased—004——
183E.A.T.E. Operating—004——
184Gassco Petroleum Corporation—004——
185L & a Energy Inc.—004——
186Meyer Hubert O.—004——
187MGR Resources—004——
188PMP—004——
189Seeker Oil Company II Inc.—004——
190Sundown Royalties—004——
191Texas Wellbore Pool—004——
192Anacacho Petroleum, Inc.—2103——
193Lone Star Gold—2103——
194Santex Energy Inc.—2103——
195Topaz Energy, Inc.—1403——
196Mallory, Meredith, Jr.—1103——
197Vamarie, Inc.—1003——
198Zuidema Oil Company—503——
199Black Hills Energy Corp.—403——
200Devon Energy Corporation(nevada)—403——
201Gonzalez, Gabe—403——
202Foster, W.P.—303——
203Kurz, Gary—303——
204Trison Oil & Gas Company—303——
205Avm Oil Enterprises—003——
206Barnes Oil Company—003——
207Bexxar Oil Company—003——
208B W M Producing Co.—003——
209Caspen Operating Company—003——
210Charita—003——
211Civco Operating LLC—003——
212Doer Energy Corporation—003——
213Ernst Irving—003——
214Kerr Jonathan Allan—003——
215Kidd Production Co.—003——
216K. V. D. Oil Company—003——
217Longshot Energy LLC—003——
218McLendon John—003——
219Murmak Oil Company—003——
220Roca Energy Corporation—003——
221RSK Oil Company—003——
222Schomberg Oil Co.—003——
223Second Chance—003——
224SJS-Silver Falls Drilling Ptnshp—003——
225Turell Enterprises Inc.—003——
226Oil Investors Ltd. Inc.—39302——
227Ramirez, Valente—4302——
228Badger State Inv Ltd PT 83-I&ii—2702——
229G. R. C. Production Company—1602——
230Sterling Inv. Group & Assc., Inc—1602——
231Brinkoeter Gas & Oil—1002——
232McGuire, Joe Inc.—902——
233Rlu Operating, LLC—802——
234Matla Inc.—502——
235McCracken, J.L. & Associates—502——
236D.K.W. Energy—302——
237Kurz & Sons—302——
238Pozo Drilling Company—302——
239Sahara Oil and Gas, Inc.—302——
240Bay Rock Operating Company—202——
241Douglas Operating & Production—202——
242DRS Exploration Inc.—202——
243Fletcher, W. E.—202——
244Propet Oil & Gas Inc.—202——
245Robinson, Winfred Jr.—202——
246Santa Rosa Oil & Gas Energy Co.—202——
247Triple "P", Inc.—202——
248Eckert, Edwin—102——
249Hamman Oil & Refg. Co.—102——
2503-L Drilling—002——
251B & B Oil Development—002——
252Black Gold Operating Co. Inc.—002——
253Black Jack Well Service Inc.—002——
254Caddo Oil Company Inc.—002——
255Calk Operating LLC—002——
256Cline Walter D. Jr.—002——
257Diamondback Oil Company—002——
258Edgar Joe Jr & Dill Willie Jr.—002——
259Explorer Energy Corp.—002——
260Ferguson-Long—002——
261Loop Cold Storage Co.—002——
262Lopez Hector S.—002——
263Roemer David E.—002——
264Source Petroleum Inc.—002——
265Syj Oil & Gas Inc.—002——
266Thomas Exploration & Devel. Inc—002——
267Townsend C. L. Mrs.—002——
268Transamerica Energy Corp.—002——
269True Energy Inc.—002——
270Union Pacific Resources Company—002——
271Union Ridge Oil & Gas Corp.—002——
272Ward George J.—002——
273WJC Inc.—002——
274McFadden Oil Corporation—12301——
275Schimmel, V. I.—11101——
276Petropoint Corporation—4201——
277Somerset Oil Company—3101——
278Clear Water Oil & Gas Corp.—2501——
279Grace Petroleum Corp.—2401——
280Hawken Energy Corporation—2001——
281Neely, John P.—1801——
282Texon Energy Corporation—1701——
283Morris Exploration, Inc.—1601——
284Triple-S Ventures, Inc.—1301——
285Glover Oil, Inc.—1101——
286Ellison, Tommy—901——
287Acca Ventures, Inc.—601——
288Alhanco Energy Corporation—601——
289Hereford, J. A. Industries, Inc.—601——
290Olmos Oil Company—501——
291P-B-G Production, Inc.—501——
292Alamo Estates Drlg. Program—401——
293Curry, Landon—401——
294Mil Air Oil Co., Inc.—401——
295Petro-Tex Ventures—401——
296Southton Oil Company—401——
297Trico Energy, Inc.—401——
298Friesenhahn, M.J.—301——
299LE Comte, Harold E.—301——
300Bailey, L. J.—201——

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