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
3Alamo Environmental, Inc.1100Apr 25, 2025Apr 25, 2025
4South Sam Operating Company LLC—00948——
5Great Plains Resources Inc.—00860——
6Koko Skadi LLC—00405——
7Petrosaurus Inc.—00311——
8Wilson M. P.—00288——
9Seeker Oil Company, Incorporated—1280220——
10Root Drilling Company—00183——
11MDF Oil Company—00164——
12Ginco Operating Co.—00163——
13Oilex Int L Investments Inc.—00112——
14South Loop Operating L.C.—00109——
15R.D. Oil Company—7760106——
16Crystal Resources Inc—0099——
17Calk Roger D.—0093——
18Aminex USA, Inc.—6091——
19Sorto Peters God—0081——
20Calfas Oil LLC—0069——
21Drachen Oil Company—0068——
22Starr Operating Company—0068——
23NU Oil Co. Inc.—0058——
24Texas Secondary Oil Corporation—3053——
25Lucros International Corporation—0053——
26Yturri, Robert & John—2048——
27Production Resources, Inc.—7045——
28Red Chalk Resources LLC—0045——
29Mojave Resources LLC—0044——
30Textroleum Production Inc.—0043——
31Simco Oil LLC—0040——
32Haggard Operating Group/Oil—0039——
33Calk Oil Company—2038——
34Brander Sam H.—0035——
35More Texas Oil—0034——
36U. D. Man, Inc.—9033——
37Drachen Energy Co.—0033——
38Kleberg R.M. Jr. Trusts—0033——
39Petro-Tex Energy & Expl.co.,inc.—146032——
40Padon, R. H.—5032——
41Marchiori, Joe—1031——
42Plascencia Luis E—0030——
43Petro Lions, LLC—2027——
44Old Chief Oil LLC—0027——
45Seagull Operating Co., Inc.—204026——
46Five Star Operating Company—2026——
47Eise Oil Inc.—0026——
48Five Star Energy Operations—0026——
49Paisano Production Inc.—0026——
50Caspen Operating Company—0024——
51Hardwick Ross H. Oil Company—0024——
52Downing Well Service Inc.—0023——
53Advanced Tertiary Oil Recvry Inc—0022——
54Calk Operating LLC—0022——
55Gonzalez Eugene Jr—0022——
56Richardson Oil Co.—0022——
57Rife Oil Properties Inc.—0022——
58Far, Inc.—82021——
59Emerald Bay Energy, Inc.—14021——
60Spain Oil Company—1021——
61Calfas Cattle & Oil LLC—0021——
62Quest Research & Dev. Corp.—0021——
63Tejones Operating Corporation—0020——
64K2 Petroleum, Inc.—27019——
65Petrowest, Incorporated—21019——
66Sonora Oil Company—19019——
67K.A. Barnes Oil & Gas Oper LLC—0019——
68Thomas Exploration & Devel. Inc—0018——
69Pearl Bill H. Productions Inc.—0017——
70Aransas Oil Company, Inc.—7016——
71Bright Hawk Operating Company—6016——
72Straus Medina Ranch—0016——
73Diamond Trading & Pipeline Corp—0015——
74Oil Production Service—0015——
75Cottonwood Energy Dev. Corp.—62014——
761859 Operating LLC—23014——
77Ohlhausen Petroleum Company—0014——
78Park Avenue Resources Inc.—0013——
79Salas-Apache Oil LLC—0013——
80Transamerica Energy Corp.—0013——
81CG Oil Co.—84012——
82Southwest Bailer Pump Co.—64012——
83Casias Oil Well Service, Inc.—20012——
84Turner, L. M. Jr.—12012——
85Rainer Energy, Inc.—9012——
86Doege Donald—0012——
87Partin Charles—0012——
88Dorris Petroleum, Inc.—101011——
89Bayshore Operating Company—1011——
90Clamp Operating Incorporated—1011——
91Calame Richard—0011——
92J-Energy—0011——
93Kipling, Inc.—259010——
94Silver Falls Petroleum Corp.—72010——
95Flori-Tex Energy Corp.—69010——
96A&b Pipeline of Texas Inc.—0010——
97Bama-Tex Oil Co. Inc.—0010——
98Genie Oil Company—0010——
99Jamco Oil—0010——
100Ria Mia Corp.—10809——
101Caltate Energy Corp.—2809——
102Aaronmark Services LLC—009——
103Quintanilla Tony C.—009——
104Tobosa Oil and Gas Company—009——
105Stokes, King—1408——
106Cover, Donald R.—208——
107Raol Company, The—208——
108Escondido Operating Inc.—008——
109Fuego Energy LLC—008——
110Ralyn Corp.—008——
111Bar M Petroleum Co., Inc.—1307——
112Iti Oil & Gas, Inc.—1207——
113Beta Oil Corporation—107——
114Sherwood, Randolph A.—107——
115Arben Oil Inc.—007——
116Big Country Operating & Well Ser—007——
117Black Jack Services L.L.C.—007——
118Civron Petroleum Res. LLC—007——
119Koch I. Ernest—007——
120Lone Star Operating Company—007——
121Martinez Oil & Gas LLC—007——
122Rao Oil Company—007——
123Vargas Oil & Gas—007——
124T. W. Oil Co.—5606——
125Cibolo Production LLC—006——
126E.A.T.E. Operating—006——
127Genie Oil Company A—006——
128Landor Oil Co.—006——
129Petroleum Oilfield Services Inc.—006——
130Rushing Oil Co.—006——
131Hodge, C. Energy Inc.—2705——
132Watson, A. D.—2405——
133Alamo Estates Drlg. Program—405——
134Blackbird Oil & Gas, LLC.—405——
135Ernst Enterprises—305——
136Mid-States Management—205——
137Aelvoet Brothers—005——
138Cannan Morris—005——
139City Water Board-San Antonio—005——
140Exxcel Operating Company—005——
141Haslett Terry E.—005——
142Hood & Hood Oil and Gas Company—005——
143Mandujano Alfonso Jr.—005——
144Petrales Oil Company—005——
145P.S.N. Petroleum Inc.—005——
146Roemer David E.—005——
147Texas Oil and Gas Operating LLC—005——
148Three J Energy Inc.—005——
149Verstraeten Bros Farms Inc—005——
150Utopia Oil Company—4104——
151Grande Operating & Expl. Company—2504——
152Neal, Leslie R.—604——
153Barnes, K. A.—404——
154Black Hills Energy Corp.—404——
155Holmes, J.C. Oil Co., Inc.—304——
156JB Oil & Gas Well Service—304——
157Pentex Exploration, Inc.—304——
158Treiber Energy Company—204——
159Luckett, Dwight & Agnes G.—104——
1603-L Drilling—004——
161Astro Energy—004——
162Black Jack Well Service Inc.—004——
163Cactus Gas & Oil Inc.—004——
164Doer Energy Corporation—004——
165Gassco Petroleum Corporation—004——
166Koko Enterprises—004——
167Meyer Hubert O.—004——
168MGR Resources—004——
169PMP—004——
170Seeker Oil Company II Inc.—004——
171Sundown Royalties—004——
172Lone Star Gold—2103——
173Barnes-Holder, Inc.—1903——
174Phoenix Oil & Gas, Inc. (A)—1803——
175Vamarie, Inc.—803——
176Zuidema Oil Company—503——
177Devon Energy Corporation(nevada)—403——
178Gonzalez, Gabe—403——
179Foster, W.P.—303——
180Trison Oil & Gas Company—303——
181DRS Exploration Inc.—203——
182Avm Oil Enterprises—003——
183Azul Inc.—003——
184Barnes Oil Company—003——
185Bexxar Oil Company—003——
186B W M Producing Co.—003——
187Charita—003——
188Civco Operating LLC—003——
189Ernst Irving—003——
190Kerr Jonathan Allan—003——
191Kidd Production Co.—003——
192K. V. D. Oil Company—003——
193Longshot Energy LLC—003——
194McLendon John—003——
195McOsker Bros. Inc.—003——
196Murmak Oil Company—003——
197RSK Oil Company—003——
198Schomberg Oil Co.—003——
199Second Chance—003——
200Texas Wellbore Pool—003——
201Wiley Lease Co. Ltd.—003——
202Oil Investors Ltd. Inc.—39302——
203Ramirez, Valente—4302——
204Badger State Inv Ltd PT 83-I&ii—2702——
205Brown, Gilbert L.—2702——
206Sterling Inv. Group & Assc., Inc—1602——
207Mallory, Meredith, Jr.—1102——
208Brinkoeter Gas & Oil—902——
209McGuire, Joe Inc.—902——
210Somerset Oil & Gas Company—902——
211James, J. W.—802——
212Rlu Operating, LLC—802——
213Matla Inc.—502——
214D.K.W. Energy—302——
215Pozo Drilling Company—302——
216Douglas Operating & Production—202——
217Propet Oil & Gas Inc.—202——
218Robinson, Winfred Jr.—202——
219Santa Rosa Oil & Gas Energy Co.—202——
220Triple "P", Inc.—202——
221Eckert, Edwin—102——
222Hamman Oil & Refg. Co.—102——
223Well Production Testing Inc—102——
224B & B Oil Development—002——
225Black Gold Operating Co. Inc.—002——
226Caddo Oil Company Inc.—002——
227Cline Walter D. Jr.—002——
228Diamondback Oil Company—002——
229Edgar Joe Jr & Dill Willie Jr.—002——
230Everett Oil Inc.—002——
231Explorer Energy Corp.—002——
232Ferguson-Long—002——
233Gonzales Leonard Jr.—002——
234Loop Cold Storage Co.—002——
235Lopez Hector S.—002——
236Source Petroleum Inc.—002——
237Syj Oil & Gas Inc.—002——
238Townsend C. L. Mrs.—002——
239True Energy Inc.—002——
240Union Pacific Resources Company—002——
241Union Ridge Oil & Gas Corp.—002——
242Ward George J.—002——
243El Dorado Oil & Gas Inc.—77601——
244McFadden Oil Corporation—12301——
245Schimmel, V. I.—11101——
246Great Southwest Explor&drilling—3801——
247Oil Country Corporation—3601——
248Somerset Oil Company—3101——
249Texas American Oil Corp.—3101——
250Clear Water Oil & Gas Corp.—2501——
251Grace Petroleum Corp.—2201——
252Hawken Energy Corporation—2001——
253La Roca Oil Company—2001——
254Neely, John P.—1801——
255Morris Exploration, Inc.—1601——
256Triple-S Ventures, Inc.—1301——
257Glover Oil, Inc.—1101——
258Ellison, Tommy—901——
259Acca Ventures, Inc.—601——
260Alhanco Energy Corporation—601——
261Hereford, J. A. Industries, Inc.—601——
262Virtex Petroleum Company—601——
263Azx Petroleum—501——
264Olmos Oil Company—501——
265P-B-G Production, Inc.—501——
266Curry, Landon—401——
267Mil Air Oil Co., Inc.—401——
268Petro-Tex Ventures—401——
269Southton Oil Company—401——
270Trico Energy, Inc.—401——
271Friesenhahn, M.J.—301——
272Kurz, Gary—301——
273Le Comte, Harold E.—301——
274Bailey, L. J.—201——
275McCann, Ted & Associates Inc.—201——
276San Antonio Resources Co.—201——
277Bar-Cal Oil & Gas, Inc.—101——
278Consort Resources Inc.—101——
279D & D Exploration Co.—101——
280Dot Energy Co.—101——
281Enduro Oil Company Inc.—101——
282Farmer, Don—101——
283Mims, William S.—101——
284Pioneer Energy Services Corp.—101——
285Spiller, Robert S.—101——
286U. S. Enhanced Oil Recovery Inc.—101——
287U.S. Govt. Usaf Atc Lackland Afb—101——
288Baize Mark L.—001——
289Britanco L.L.C.—001——
290Callaway L. Howard—001——
291Clamp Operating—001——
292Clark A. L.—001——
293Clover Oil & Gas Inc.—001——
294D.C. Oil—001——
295Dodson Fred—001——
296Donoco Oil Company—001——
297Dorris Horizontal Oil & Gas Inc—001——
298Ellison Rio Medina Opr. Co.—001——
299FH Petroleum Company—001——
300Garcia David A.—001——

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