COUNTIES · HARDIN · OPERATORS

Hardin 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 year 3 years 10 years All time

#	Operator	Permits	All time	Horizontal	Wells	First	Last
1	Mobil Producing TX. & N.M. Inc.	225	225	0	82	Feb 21, 1980	Jan 12, 1996
2	Texakota, Inc.	180	180	0	14	Jul 8, 1977	Sep 25, 2018
3	Texaco Inc.	108	108	0	19	Jan 30, 1978	Jul 7, 1989
4	Porter, James W. Special	89	89	0	136	Feb 29, 1996	Aug 21, 2025
5	Newton, W. F.	89	89	0	1	Dec 30, 1977	Aug 26, 1987
6	Merit Energy Company	74	74	0	26	Dec 31, 1996	Feb 20, 2009
7	Stone, M. L.	66	66	0	34	Nov 7, 1977	May 3, 1988
8	Saratoga Production Company LLC	65	65	0	520	Oct 31, 2008	Jun 11, 2024
9	Atco Prod. Co., Inc.	62	62	0	12	Jun 13, 1977	Apr 24, 2017
10	Porter, James W.	50	50	0	1	Sep 6, 1977	Oct 18, 1984
11	Radco Operations, L.P.	49	49	0	867	May 12, 2000	Apr 9, 2025
12	Arco Oil & Gas Co.-Silsbee	48	48	0	23	Apr 10, 1979	May 16, 1986
13	Tandem Energy Corporation	47	47	0	77	Jun 14, 2006	Mar 12, 2015
14	Cobra Oil & Gas Corporation	44	44	0	24	Mar 6, 2000	Jul 27, 2010
15	Terra Resources, Inc.	41	41	0	1	Nov 8, 1985	May 3, 1989
16	Union Gas Operating Company	39	39	1	3	Dec 18, 2002	Sep 17, 2019
17	Corona Operating, LLC	38	38	0	59	Apr 22, 2010	Sep 12, 2017
18	Crebbs, Chester M.	34	34	0	1	Sep 30, 1977	Nov 5, 1987
19	Dstj Corporation	34	34	0	1	Dec 11, 1991	Mar 13, 2001
20	Yust, C. F. & R. L.	34	34	0	0	Nov 18, 1981	Oct 19, 1993
21	Foster Well Service, Inc.	31	31	0	9	Jun 27, 1977	Jan 12, 1984
22	Unit Petroleum Company	31	31	3	0	Dec 8, 2000	Jan 30, 2018
23	Foundation Energy Management LLC	28	28	0	99	Jun 11, 2013	Feb 11, 2026
24	Atlantic Richfield Co.	28	28	0	65	Jun 6, 1977	Nov 17, 1978
25	Exxon Corp.	28	28	0	57	Aug 10, 1977	May 15, 1986
26	S. P. Y. Oil Co.	28	28	0	0	May 19, 1983	Oct 26, 1983
27	Corona Exploration, Inc.	27	27	0	0	Feb 23, 2007	Mar 10, 2011
28	Arrowhead Operating Inc.	24	24	0	129	Aug 7, 2001	Oct 30, 2008
29	Milestone Operating, Inc.	24	24	0	50	Apr 17, 2001	Jan 11, 2023
30	Elsbury, Joe W.	24	24	0	17	Oct 20, 1978	Aug 26, 1992
31	Bock & Bacon	24	24	0	7	Jul 27, 1977	Apr 25, 1988
32	Myers, Sam	23	23	0	5	Dec 14, 1982	Dec 3, 1985
33	Cimarex Energy Co.	23	23	0	4	Sep 14, 2006	Aug 31, 2015
34	Arco Oil & Gas Co.	23	23	0	0	Sep 20, 1979	Apr 7, 1988
35	BHB Operating Inc.	22	22	0	1	Feb 15, 2007	Oct 27, 2011
36	Williams Expl Co a Delaware Corp	22	22	0	0	Oct 13, 1982	Aug 30, 1985
37	Mosbacher Energy Company	19	19	0	6	Aug 17, 1987	Jun 26, 2025
38	Murphy Exploration & Prod. Co.	19	19	0	6	Feb 14, 1994	Mar 25, 1996
39	Foundation Oil Company, Inc.	19	19	0	5	Jun 17, 1998	Apr 3, 2019
40	General Crude Oil Co.	19	19	0	5	Sep 26, 1977	Jul 31, 1979
41	Santa FE Energy Co.	19	19	0	0	Mar 4, 1980	Nov 27, 1985
42	Atlantic Richfield Co.-Silsbee	18	18	0	41	Jul 20, 1978	Apr 9, 1979
43	Radley Equipment	18	18	0	5	Sep 12, 1977	Feb 18, 1986
44	Zinn Petroleum Co.	18	18	0	2	Jun 22, 1977	Feb 28, 1990
45	Smith Production Inc.	17	17	0	5	Aug 27, 1998	Sep 13, 2001
46	Amoco Production Company	17	17	0	4	Feb 4, 1981	Jan 22, 1985
47	TXO Production Corp.	17	17	0	3	Sep 13, 1982	Feb 17, 1987
48	Sun Expl. & Prod. Co.-Houston	17	17	0	2	Oct 16, 1979	May 10, 1983
49	Addison Oil, LLC	17	17	0	0	Feb 19, 2010	May 9, 2011
50	Crebbs Oil Company	17	17	0	0	Nov 12, 1991	Mar 19, 2019
51	Penwell Energy, Inc.	16	16	0	7	Feb 20, 1996	Jan 22, 2015
52	Samson Lone Star LP	16	16	0	6	Apr 19, 2000	Feb 27, 2007
53	Coakley, Sullivan & Associates	16	16	0	0	Dec 22, 1982	Mar 20, 1985
54	Hanson Minerals Co.	15	15	0	3	Aug 30, 1979	Nov 8, 1988
55	Csa Exploration Company	15	15	0	0	Aug 21, 1987	Apr 22, 1991
56	Rio Bravo Oil Company	15	15	0	0	Feb 19, 1986	Apr 16, 1990
57	Whitehead Resources, Ltd.	14	14	0	134	Feb 28, 2018	Sep 25, 2026
58	Cobble Oil Co.	14	14	0	1	Jan 25, 1980	Jan 15, 1981
59	McGee Petroleum Co.	14	14	0	0	Dec 29, 1982	Oct 8, 1987
60	Sedona Oil & Gas Corp.	13	13	0	6	Dec 23, 1996	Nov 15, 2005
61	Ada Belle Oil Co.	13	13	0	5	Aug 22, 1977	Nov 23, 1988
62	Pacific Enterprises Oil Co.(usa)	13	13	0	2	Jun 15, 1989	Sep 17, 1991
63	Murphy Energy Services, LP	13	13	0	1	May 11, 2010	Dec 22, 2014
64	R & G Oil Co.	13	13	0	1	Feb 20, 1980	Aug 26, 1988
65	F.I.G. Energy, LLC	13	13	0	0	Aug 10, 2001	May 4, 2012
66	Saratoga Oil Company	12	12	0	61	Mar 29, 2006	Apr 19, 2013
67	Rheaco Oil Company, Ltd.	12	12	0	39	May 5, 2010	Apr 11, 2024
68	Sun Exploration & Production Co.	12	12	0	2	Jun 8, 1977	May 30, 1989
69	BP America Production Company	12	12	10	1	Aug 15, 2014	Apr 15, 2016
70	Radley Electric, Inc.	12	12	0	1	Apr 24, 1980	Aug 19, 1997
71	Howard Exploration, Inc.	12	12	0	0	Sep 23, 2002	Aug 29, 2023
72	Murphy Oil USA, Inc.	12	12	0	0	Oct 21, 1988	Dec 31, 1992
73	Sanchez Oil & Gas Corporation	12	12	0	0	Oct 18, 2002	Aug 2, 2007
74	C.F.O., Inc.	11	11	0	37	Nov 17, 2010	Sep 18, 2017
75	Radley, Terry R., Operator	11	11	0	15	Jun 21, 1982	Aug 1, 1997
76	G & D Energy, Inc.	11	11	0	6	Dec 29, 1981	Sep 4, 1984
77	C & E Operating, Inc.	11	11	0	2	May 28, 2003	Aug 3, 2011
78	Texaco E & P Inc.	11	11	1	2	May 5, 1993	Nov 8, 1993
79	Griffin, S. M.	11	11	0	0	Jan 28, 1981	Mar 15, 1984
80	Union Texas Petroleum Corp.	10	10	0	3	Nov 9, 1979	Dec 7, 1983
81	Saratoga Energy Corporation	10	10	0	2	Sep 28, 1992	Dec 16, 2004
82	Silver Oak Energy, LLC	10	10	0	2	Jan 18, 2013	Jul 11, 2014
83	Covey Oil & Gas Co.	10	10	0	0	Nov 10, 1978	Dec 3, 1984
84	Crebbs & Paraffine	10	10	0	0	Nov 21, 1977	May 10, 1983
85	Radley, R. R.	9	9	0	14	Aug 2, 1977	Sep 5, 1997
86	Ada Belle Oil & Gas Company	9	9	0	1	Jun 22, 2005	Nov 20, 2008
87	Hamman Oil & Refining Company	9	9	0	1	Dec 31, 1979	Apr 25, 2011
88	Dallas Group, Inc., The	9	9	0	0	Dec 23, 1983	Dec 28, 1984
89	Mosley Enterprise, Inc.	9	9	0	0	Aug 4, 1983	Dec 2, 1983
90	Tabco Exploration Inc.	9	9	0	0	Sep 24, 1979	May 28, 1985
91	Tipton, W. L.	9	9	0	0	Sep 11, 1978	Jun 2, 1983
92	Trilogy Oil Corporation	9	9	0	0	Oct 15, 1984	Jul 16, 1985
93	Utah Delta Petroleum Corp.	9	9	0	0	Feb 8, 1980	Jun 30, 1980
94	H.E.R. Operating, LLC	8	8	0	3	Apr 2, 2014	Sep 30, 2018
95	Santa FE-Andover Oil Company	8	8	0	3	Dec 14, 1982	Jun 21, 1985
96	Caspen Operating Company	8	8	0	2	Jan 13, 1992	Sep 29, 1992
97	Chroma Operating, Inc.	8	8	0	1	Jun 14, 2007	Feb 4, 2011
98	Prairie Producing Company	8	8	0	1	Oct 12, 1983	Nov 14, 1989
99	Combs, Talmadge F. Trustee	8	8	0	0	Jul 18, 1979	Aug 25, 1980
100	Cuatro Oil and Gas Corporation	8	8	0	0	Jul 15, 1991	Nov 26, 1991
101	Faith Energy Company	8	8	0	0	Apr 19, 1984	Nov 12, 1985
102	Longnecker, M. F. Jr.	8	8	0	0	Feb 27, 1980	Aug 18, 1983
103	Venture 9	7	7	0	11	Mar 18, 1980	Aug 18, 1997
104	Kerr-McGee Oil & Gas Onshore LP	7	7	0	7	Aug 8, 2005	Nov 24, 2009
105	Elsbury & McGrew	7	7	0	2	Jun 17, 1981	Aug 26, 1985
106	Gaither Petroleum Corporation	7	7	0	2	Feb 28, 2006	Apr 29, 2016
107	Wfmms, Inc.	7	7	0	2	Dec 18, 2002	Oct 8, 2019
108	Gulf Oil Corp.	7	7	0	0	Nov 17, 1977	Dec 31, 1981
109	Zietlow Oil Co., Inc.	7	7	0	0	Dec 18, 1987	Nov 3, 1989
110	S & S Operating Company, Inc.	6	6	0	17	Mar 27, 2008	Sep 9, 2019
111	Hilcorp Energy Company	6	6	0	8	Jun 14, 2000	Jun 22, 2011
112	Locin Oil Corporation	6	6	0	3	Jun 1, 1993	Nov 21, 2001
113	Caskids Operating Company	6	6	0	2	Aug 3, 1984	Feb 11, 1985
114	B-J Energy Enterprises, Inc.	6	6	0	1	Jun 1, 1984	Jun 28, 1985
115	Csa Exploration Company, Inc.	6	6	0	1	Mar 9, 1992	Dec 7, 1993
116	Gallander, F.E. Inc.	6	6	0	1	Aug 11, 1982	Dec 31, 1982
117	Gulf Oil Corp.-Kilgore	6	6	0	1	Jul 28, 1982	Aug 17, 1983
118	Century Exploration Houston, LLC	6	6	0	0	Aug 9, 2011	Jun 24, 2013
119	Dril-Oil Corporation	6	6	0	0	Nov 16, 1981	Dec 29, 1983
120	Famcor Oil, Inc	6	6	0	0	Dec 23, 1991	Dec 18, 1995
121	Gary Oil & Gas	6	6	0	0	Sep 21, 1977	Sep 24, 1981
122	Houston Domestic Oil Company	6	6	0	0	Jun 20, 1977	Jul 25, 1980
123	Magic Oil & Gas Inc.	6	6	0	0	Jul 12, 1995	Sep 26, 1997
124	NRG Production L.P.	6	6	0	0	Oct 26, 1990	Jan 4, 1991
125	P.A.M. Petroleum, Inc.	6	6	0	0	Jan 28, 1980	Aug 28, 1986
126	P & WG Resources L.L.C.	6	6	0	0	Jul 13, 2007	Nov 29, 2007
127	Samedan Oil Corporation	6	6	0	0	Aug 18, 1989	Aug 20, 2002
128	Schaeffer Enterprises, Inc.	6	6	0	0	Jul 7, 1986	Dec 17, 1987
129	Strahan Energy, Inc.	6	6	0	0	Aug 9, 1982	Oct 18, 1984
130	Synergy Oil & Gas, L.P.	6	6	0	0	Mar 23, 2006	May 15, 2009
131	Teffoil Corporation	6	6	0	0	Apr 9, 1980	Jul 27, 1984
132	Radco Operations	5	5	0	102	Nov 8, 2000	Feb 23, 2001
133	Clover Production Company	5	5	0	22	Nov 17, 2009	Sep 8, 2017
134	Phillips, Robert H.,incorporated	5	5	0	5	Dec 31, 1985	Nov 14, 1986
135	Magnum Producing, LP	5	5	0	4	Dec 21, 2017	Oct 8, 2021
136	Davis Bros. Oil Producers, Inc.	5	5	0	3	Apr 19, 1996	May 26, 2004
137	Dome Holding Corporation	5	5	0	3	Jan 17, 1978	Jun 30, 1980
138	Huber, J. M., Corporation	5	5	0	3	Dec 4, 1978	Sep 29, 1983
139	Westport Oil and Gas Company, LP	5	5	0	3	Oct 8, 2003	Mar 8, 2004
140	Anderson Producing, Inc	5	5	0	2	Dec 22, 1977	Oct 14, 1992
141	Royal Production Company, Inc.	5	5	0	1	Oct 9, 1995	Feb 1, 2002
142	Black Stone Energy Company	5	5	0	0	Aug 31, 2000	Nov 20, 2002
143	Carpenter Corporation	5	5	0	0	Nov 30, 1978	Sep 24, 1982
144	Century Exploration Houston, Inc	5	5	0	0	Jan 31, 2007	Sep 29, 2011
145	Choice Exploration, Inc.	5	5	0	0	Jul 23, 2010	Nov 3, 2015
146	Crown Petroleum Corp.	5	5	0	0	Mar 29, 2002	Sep 22, 2005
147	Crux, Ltd	5	5	0	0	Nov 3, 1981	Jun 28, 1982
148	Kelpetro, Inc.	5	5	0	0	Jun 8, 1993	Nov 20, 1995
149	Kerr-McGee Oil & Gas Onshore LLC	5	5	0	0	Apr 27, 2004	Jun 16, 2005
150	Phillips, Robert H.	5	5	0	0	Jun 21, 1985	Jan 3, 1986
151	Riner Exploration Corp.	5	5	0	0	Sep 4, 1979	Jun 17, 1980
152	Smart, A. J.	5	5	0	0	Dec 31, 1980	Apr 20, 1983
153	Sue-Ann Oil & Gas Company	5	5	0	0	Sep 28, 1987	May 4, 1989
154	Texas Oil Company, The	5	5	0	0	Mar 6, 1985	Mar 6, 1985
155	Traton Operating Company	5	5	0	0	Nov 18, 2011	Jan 25, 2013
156	Batson Ent Ventures L.L.C.	4	4	0	47	Sep 9, 2011	Oct 10, 2012
157	Gordy Oil Company	4	4	0	5	Aug 4, 1999	May 3, 2002
158	Sun Expl. & Prod. Co.-Lafayette	4	4	0	5	Aug 17, 1984	Jul 7, 1986
159	Hanson Production Company	4	4	0	3	Jun 14, 1994	Dec 8, 2004
160	Triton Oil & Gas Corp.	4	4	0	3	Mar 25, 1983	Dec 15, 1987
161	Davis Southern Operating Co LLC	4	4	0	2	May 26, 2004	Sep 26, 2007
162	Brammer Engineering, Inc.	4	4	0	1	Jul 21, 1998	Aug 11, 2010
163	Hunt Oil Company	4	4	0	1	Jan 6, 1994	Sep 14, 1995
164	Lear Petroleum Corp.	4	4	0	1	Sep 26, 1977	Sep 13, 1979
165	McGee, J. E.	4	4	0	1	Jan 29, 1986	Apr 27, 1998
166	Samson Lone Star, LLC	4	4	0	1	Dec 20, 2007	Oct 18, 2010
167	Camden Resources, Inc.	4	4	0	0	Apr 18, 2003	Oct 8, 2004
168	Chevron U. S. A. Inc.	4	4	0	0	Oct 6, 1995	Aug 1, 1997
169	Crawford Energy Operating Co	4	4	0	0	Jan 5, 2005	Nov 1, 2005
170	Davidson, Jake, Inc.	4	4	0	0	Apr 17, 1984	Nov 6, 1984
171	Energy Development Corp.	4	4	0	0	Oct 28, 1985	Dec 16, 1998
172	E-Tex Oil Co.	4	4	0	0	Nov 9, 1984	May 9, 1985
173	Griffin, S.M. Oil, Inc.	4	4	0	0	Dec 10, 1982	Aug 6, 1984
174	Hendon, Luther Inc.	4	4	0	0	Apr 14, 1980	Sep 21, 1981
175	Hennig Production Co., Inc.	4	4	0	0	Jan 10, 2000	Jul 25, 2001
176	HS Resources, Inc.	4	4	0	0	Dec 4, 2000	Jul 23, 2001
177	Hunt Petroleum Corporation	4	4	0	0	May 23, 2003	May 10, 2005
178	Lorca Corporation	4	4	0	0	Jan 28, 1982	Jun 11, 1984
179	Reo Operating LLC	4	4	0	0	Jul 12, 2013	Sep 22, 2014
180	Seneca Resources Corp.	4	4	0	0	May 12, 1988	Mar 7, 1990
181	Sorpresa Petroleum Inc.	4	4	0	0	Dec 1, 1981	Aug 19, 1982
182	Texas Meridian Operating Co.,inc	4	4	0	0	Jan 26, 1990	Nov 12, 1990
183	Xplor Energy Operating Co.	4	4	0	0	Jul 29, 1998	Nov 10, 1998
184	Zachry Exploration, Ltd.	4	4	0	0	Oct 16, 2003	Jul 30, 2007
185	Watson, Melissa S.	3	3	0	4	Aug 26, 1981	May 24, 1982
186	Bankhead, Chas. C., Jr.	3	3	0	3	Jan 11, 1978	Nov 13, 1978
187	Damson Oil Corp.	3	3	0	2	Nov 12, 1980	Oct 15, 1981
188	Delta Six, Inc.	3	3	0	2	Oct 24, 1979	Feb 20, 1980
189	Hamon, Jake L.	3	3	0	2	Feb 14, 1979	Feb 20, 1981
190	Houston Oil & Minerals Corp.	3	3	0	2	Jun 26, 1978	Jul 14, 1980
191	Overstreet & Company	3	3	0	2	Nov 28, 1979	Jan 29, 1980
192	Apache Corporation	3	3	0	1	Jun 21, 1996	Jun 21, 1996
193	Ballard Exploration Company,inc.	3	3	0	1	Aug 17, 1988	Apr 19, 1989
194	Kilroy Company of Texas, Inc.	3	3	0	1	Jun 6, 1980	Jan 8, 1986
195	Mueller Exploration, Inc.	3	3	0	1	Apr 8, 2008	Oct 10, 2011
196	Sklar & Phillips Oil Co.	3	3	0	1	Sep 30, 1980	Jun 23, 1982
197	Aaa Oil & Energy Corp.	3	3	0	0	Oct 1, 1979	Nov 8, 1979
198	American Cometra, Inc.	3	3	0	0	Aug 3, 1987	Aug 3, 1987
199	Anderson Petro-Equipment, Inc.	3	3	0	0	Jun 24, 1988	Feb 6, 1990
200	Brown, al A.	3	3	0	0	May 11, 1983	Feb 13, 1985
201	Crebbs & Williams	3	3	0	0	May 14, 1984	Nov 9, 1984
202	Dalmont, Inc.	3	3	0	0	Nov 9, 1982	Feb 17, 1983
203	E R I Ltd.	3	3	0	0	Jun 22, 1977	May 1, 1980
204	Lear Petroleum Exploration, Inc.	3	3	0	0	May 14, 1980	Nov 2, 1981
205	Manti Operating Company	3	3	0	0	Jul 23, 2004	Sep 15, 2005
206	Mercy Well Service, Inc.	3	3	0	0	Dec 27, 1982	Dec 27, 1982
207	Mobil Exploration Company, Inc.	3	3	0	0	Nov 19, 1979	May 23, 1980
208	North Central Oil Corp.	3	3	0	0	May 21, 1981	Feb 10, 1989
209	Peoples Energy Prod.-TX, L.P.	3	3	0	0	Dec 10, 2003	Apr 10, 2007
210	Roosterfish Resources	3	3	0	0	Oct 26, 1981	Apr 16, 1982
211	Texas Crude, Inc.	3	3	0	0	Jun 23, 1977	May 17, 1979
212	Texas Oil & Gas Corp.	3	3	0	0	Aug 7, 1978	Aug 13, 1981
213	Upstream Exploration LLC	3	3	0	0	Apr 17, 2017	Aug 1, 2017
214	Westland Oil Development Corp.	3	3	0	0	Apr 1, 1994	Jan 26, 1995
215	Chenango Oil and Gas Co.	2	2	0	29	Oct 8, 1992	Sep 23, 1993
216	Shoco Production LLC	2	2	0	27	Aug 3, 1999	Mar 29, 2006
217	Wagner Oil Company	2	2	0	11	May 23, 2016	Dec 4, 2017
218	Primrose Resources, LLC	2	2	0	10	Aug 31, 2011	Dec 16, 2014
219	Atlas Operating LLC	2	2	0	5	Dec 5, 2019	Apr 9, 2021
220	Tema Oil and Gas Company	2	2	0	3	Oct 25, 1999	Dec 14, 2001
221	Black Stone Energy Company, LLC	2	2	0	2	Aug 30, 2004	Oct 24, 2017
222	Burch, Thomas Lee	2	2	0	2	Nov 5, 1979	Jul 8, 1988
223	Christopher Oil & Gas Inc	2	2	0	2	Sep 24, 1992	Jul 7, 1993
224	Jonietz and McGee	2	2	0	2	Dec 31, 1982	Dec 19, 1983
225	Mariner Energy, Inc.	2	2	0	2	Sep 17, 1997	Sep 23, 1999
226	Porter, John B.	2	2	0	2	May 19, 1983	Apr 24, 1984
227	Sue-Ann Production Company	2	2	0	2	Sep 17, 1990	Nov 5, 1992
228	S & y Production Co.	2	2	0	2	May 23, 1978	Jul 8, 1985
229	Andover Oil Company	2	2	0	1	Jul 25, 1977	Oct 21, 1981
230	Conoco Inc.	2	2	0	1	Dec 21, 1982	Aug 31, 1994
231	Dynamic of Texas, Inc.	2	2	0	1	Sep 30, 1983	Mar 7, 1984
232	Endeavor Natural Gas, LP	2	2	0	1	May 7, 2009	Apr 30, 2013
233	Lenrae Oil, Inc.	2	2	0	1	Sep 17, 1984	Feb 10, 1986
234	Abraxas Petroleum Corp.	2	2	0	0	Nov 9, 1987	Dec 15, 1987
235	Adobe Energy, Inc.	2	2	0	0	Oct 14, 1998	Dec 28, 1998
236	Bettis, Boyle & Stovall	2	2	0	0	May 15, 1981	May 18, 1981
237	BLS Resources, Inc.	2	2	0	0	Aug 24, 1992	Jun 7, 1993
238	Bright & Schiff	2	2	0	0	Oct 17, 1977	Oct 19, 1977
239	Chaco Production Company	2	2	0	0	Aug 15, 1984	Nov 14, 1985
240	Energy Reserves Group, Inc.	2	2	0	0	Oct 26, 1977	Jun 23, 1981
241	Entrust Exploration, Inc.	2	2	0	0	Jun 8, 1983	Jun 8, 1983
242	Equitable Petroleum Corp.	2	2	0	0	Sep 22, 1982	Jul 16, 1984
243	Exco Resources, Inc.	2	2	0	0	Dec 2, 2003	Feb 13, 2004
244	Fairways Exploration & Prod, LLC	2	2	0	0	Sep 26, 2011	Feb 28, 2012
245	Glickenhaus Energy Corp.	2	2	0	0	Apr 12, 1989	Apr 4, 1994
246	Glover Oil Company	2	2	0	0	Jan 14, 1983	Apr 29, 1983
247	Grand Resources, Inc.	2	2	0	0	Jun 1, 2001	Mar 20, 2002
248	Huntsman Petrochemical Corp.	2	2	0	0	Dec 20, 1996	May 30, 2001
249	Infield Energy Inc.	2	2	0	0	Dec 29, 1982	Jun 3, 1983
250	Intercoastal Operating Company	2	2	0	0	Nov 28, 1977	Nov 28, 1977
251	Joyce & Hilty, Inc.	2	2	0	0	Dec 23, 1980	May 18, 1981
252	KCS Resources, Inc.	2	2	0	0	Jan 6, 1997	Apr 4, 1997
253	Kenco Energy Inc.	2	2	0	0	Oct 30, 1980	Dec 31, 1980
254	Kent, Garry D. Oil & Gas, Inc.	2	2	0	0	Oct 15, 1986	Dec 19, 1986
255	Kimball Production Co.	2	2	0	0	Jul 24, 1979	Jun 26, 1980
256	Ladd Petroleum Corp.	2	2	0	0	Feb 12, 1980	Jul 24, 1980
257	McCoy Petroleum Corporation	2	2	0	0	Jul 30, 1997	Dec 2, 1997
258	Mobil-GC Corp.	2	2	0	0	Jul 11, 1979	Aug 8, 1979
259	Mosbacher Production Co.	2	2	0	0	Dec 4, 1981	Jan 23, 1984
260	Newton, W. F. Estate Of	2	2	0	0	Jul 17, 1997	Aug 7, 1997
261	NRG Resources, Inc.	2	2	0	0	Feb 19, 1981	May 4, 1981
262	Setex Oil and Gas Company	2	2	0	0	Dec 7, 1998	Feb 26, 2004
263	Simco Energy Inc.	2	2	0	0	May 15, 1981	Aug 5, 1981
264	Stroud Petroleum, Inc.	2	2	0	0	Sep 25, 2026	Nov 5, 2026
265	Tex la Drilling, Inc.	2	2	0	0	Jul 23, 1985	Jul 23, 1985
266	Transco Exploration Company	2	2	0	0	Jan 2, 1979	May 20, 1980
267	United Resources LP	2	2	0	0	Apr 27, 2004	Jul 9, 2004
268	U.S. Exploration Company	2	2	0	0	Apr 29, 1986	Apr 7, 1987
269	Walter Oil & Gas Corporation	2	2	0	0	Jun 17, 2003	Jan 16, 2004
270	Whitehead, Betty Prod. Co.	2	2	0	0	Jan 15, 1981	Oct 21, 1981
271	White Oak Operating Company LLC	2	2	0	0	Jan 12, 2010	Jan 30, 2012
272	Texas Operating Partners LLC	1	1	0	62	Aug 28, 2025	Aug 28, 2025
273	Western Energy Group, LLC	1	1	0	47	Apr 20, 2017	Apr 20, 2017
274	Neches Transport Inc.	1	1	0	29	Mar 10, 2022	Mar 10, 2022
275	Beech Creek Disposal	1	1	0	7	Mar 5, 2014	Mar 5, 2014
276	Lawco Osage Operating, LLC	1	1	0	3	Sep 22, 2023	Sep 22, 2023
277	Quail Creek Oil Corporation	1	1	0	3	Mar 14, 1991	Mar 14, 1991
278	Well Research Associates, Inc.	1	1	0	3	Jun 16, 1986	Jun 16, 1986
279	Adams Resources Expl. Corp.	1	1	0	2	Jul 30, 2008	Jul 30, 2008
280	Forza Operating, LLC	1	1	0	2	Aug 6, 2021	Aug 6, 2021
281	Lases Company, Inc.	1	1	0	2	Jun 17, 1996	Jun 17, 1996
282	Lee Energy Corporation	1	1	0	2	Jan 26, 1981	Jan 26, 1981
283	Premium Exploration Company	1	1	0	2	Aug 10, 1999	Aug 10, 1999
284	True Oil Company	1	1	0	2	Dec 31, 1982	Dec 31, 1982
285	Aberdeen American Petr. Co. Inc.	1	1	0	1	Sep 30, 1986	Sep 30, 1986
286	Basil's Oilfield Service, Inc.	1	1	0	1	Mar 16, 1982	Mar 16, 1982
287	Bayport Operating, Inc.	1	1	0	1	May 5, 1987	May 5, 1987
288	Cago, Inc.	1	1	0	1	May 17, 2000	May 17, 2000
289	Chesapeake Operating, Inc.	1	1	0	1	Nov 22, 2005	Nov 22, 2005
290	Cimarron Engineering, LLC	1	1	0	1	Jan 31, 2023	Jan 31, 2023
291	Citation Oil & Gas Corp.	1	1	0	1	Jan 18, 1985	Jan 18, 1985
292	Dynamic Production, Inc.	1	1	0	1	Dec 30, 1983	Dec 30, 1983
293	Exxonmobil Oil Corporation	1	1	0	1	Mar 6, 2013	Mar 6, 2013
294	Flint Interests, LLC	1	1	0	1	Nov 20, 2015	Nov 20, 2015
295	Grace Exploration LLC	1	1	0	1	Nov 16, 2015	Nov 16, 2015
296	Great Western Drilling Company	1	1	0	1	Aug 14, 2008	Aug 14, 2008
297	Hardin-Jefferson Expl. Corp.	1	1	0	1	Feb 15, 1984	Feb 15, 1984
298	Houston Pet. Co.	1	1	0	1	Jul 29, 1981	Jul 29, 1981
299	Hughes, Dan A. Company	1	1	0	1	Jan 12, 1998	Jan 12, 1998
300	Hurd Enterprises, Ltd.	1	1	0	1	Jan 26, 2026	Jan 26, 2026

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