COUNTIES · KNOX · OPERATORS

Knox 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	Cooper, Glenn W.	118	118	0	10	Sep 8, 1977	Dec 9, 1982
2	Ausanka Oil Operations	96	96	0	36	Aug 1, 1977	Feb 2, 1993
3	Sullivan, Hollis R.	71	71	0	12	Apr 13, 1981	Jan 16, 1990
4	Sun Expl. & Prod. Co.-Abilene	70	70	0	36	Aug 14, 1981	Aug 11, 1988
5	Brewer, Tim Inc	61	61	0	4	Aug 25, 1981	Feb 17, 1983
6	Delray Oil, Inc.	41	41	0	0	Oct 3, 1977	Sep 14, 1998
7	Jet Drilling Co.	30	30	0	0	Feb 20, 1979	Feb 23, 1984
8	Cholla Petroleum, Inc.	29	29	0	9	May 22, 1989	Sep 15, 2015
9	Henderson & Erickson	28	28	0	7	Jun 22, 1977	Jun 17, 1987
10	Livingston, F. L.	26	26	0	0	Mar 30, 1986	Mar 1, 1988
11	Adkins, R. L. Corp.	24	24	0	5	Nov 8, 1978	Apr 6, 1988
12	Megargel Drlg. Co.	24	24	0	2	Aug 20, 1985	Apr 16, 1986
13	Sun Texas Company	24	24	0	0	Aug 12, 1980	Jul 2, 1981
14	Henderson & Erickson, Inc.	22	22	0	21	Jul 26, 1989	Jan 29, 2018
15	Conoco Inc.	22	22	0	4	Aug 21, 1984	Aug 27, 1992
16	Hatcher, Ray	21	21	0	1	Aug 5, 1981	Jan 28, 1986
17	T-N-T Engineering, Inc.	20	20	0	17	Sep 15, 1995	Oct 27, 2005
18	Redding, Dale	19	19	0	11	Sep 17, 1980	Apr 19, 1985
19	Crocker Oil Company	19	19	0	6	Dec 20, 1977	Mar 2, 1984
20	NRG Resources, Inc.	19	19	0	0	Sep 20, 1979	Jul 23, 1981
21	Texas Pacific Oil Company, Inc.	18	18	0	0	Mar 14, 1978	Jul 14, 1980
22	Gunn Oil Company	17	17	0	0	Jun 26, 1978	Sep 4, 2020
23	Polk Petroleum, Inc.	16	16	0	3	Nov 6, 1998	Jul 3, 2002
24	Goldking Prod. Co.	16	16	0	1	Jun 10, 1981	May 23, 1984
25	Rankin, Robert E.	15	15	0	3	Oct 14, 1977	Jan 10, 1984
26	McMahon-Bullington Drilling Co.	14	14	0	1	Nov 4, 1983	Jun 30, 1992
27	Benson Mineral Group, Inc.	14	14	0	0	Apr 26, 1979	Sep 16, 1980
28	Double M Petroproperties, Inc.	13	13	0	6	Nov 13, 1986	Nov 7, 2025
29	3-T Exploration, Inc.	12	12	0	5	Jan 21, 1983	Sep 29, 1987
30	Knight Petroleum Resources, Inc.	12	12	0	3	Nov 12, 1984	Jan 15, 1985
31	Rio Exploration Company	12	12	0	3	Sep 8, 1981	Dec 29, 1982
32	Creston Petroleum Corp.	12	12	0	1	Sep 22, 1982	Feb 24, 1999
33	Anderson, Carl T.	12	12	0	0	Jan 12, 1978	Oct 31, 1984
34	Black, Tony F., Oil Properties	12	12	0	0	Feb 19, 1981	Apr 20, 1982
35	Cooper, Glenn W. Oil & Gas	11	11	0	7	Sep 25, 1986	May 5, 1998
36	Anvil Petroleum Corporation	11	11	0	0	Mar 30, 1982	Apr 13, 1984
37	Ashford Oil & Gas Company	11	11	0	0	Oct 29, 1982	Aug 17, 1984
38	Chesco Petroleum	11	11	0	0	Jun 15, 1983	Sep 26, 1983
39	Patterson Petroleum, Inc.	11	11	0	0	Aug 25, 1995	Sep 19, 1997
40	Vista Petroleum Co.	11	11	0	0	Aug 24, 1977	May 24, 1979
41	Knox Plains Oil Co.	10	10	0	8	Oct 27, 1977	Aug 25, 1981
42	Teal Exploration, LLC	10	10	0	6	Mar 22, 2018	Jun 21, 2022
43	Strange, D. D.	10	10	0	5	Jan 2, 1979	Jun 14, 1990
44	Jla Resources Company	10	10	0	1	Jul 13, 2012	Jul 12, 2017
45	High Plains Gas Systems, Inc.	10	10	0	0	Oct 1, 1997	Jul 1, 1999
46	Polk & Patton, Inc.	10	10	0	0	Oct 12, 1979	Nov 14, 1986
47	Swanson, Tommy Oil Co.	10	10	0	0	Aug 27, 1991	Jun 4, 1998
48	Sullivan, Hollis R. Inc.	9	9	0	38	Jun 4, 1990	Oct 4, 2008
49	Kintex Petroleum Company	9	9	0	32	Apr 9, 1984	Mar 22, 1999
50	M. E. Operating & Services, Inc.	9	9	0	7	Nov 5, 2012	Sep 18, 2018
51	Craaybeek's Pro Energy, L.L.C.	9	9	0	3	Sep 20, 2006	Mar 7, 2024
52	Mayfield Engineering Service	9	9	0	2	Aug 21, 1979	Apr 7, 1982
53	Paschal Petroleum, Inc.	9	9	0	0	Dec 15, 1983	Jun 12, 1987
54	Willowbend Investments, Inc.	8	8	0	9	May 19, 2008	May 16, 2012
55	Bentley, Charles H.	8	8	0	0	Aug 18, 1977	Apr 2, 1982
56	Lampley Oil Company Inc.	8	8	0	0	Aug 24, 1981	Apr 30, 1982
57	Palmer, James W.	8	8	0	0	Oct 19, 1984	Mar 23, 1993
58	Pautsky, Norman	8	8	0	0	Aug 18, 1980	Feb 9, 1982
59	Mesa Oil, Inc.	7	7	0	9	Jul 16, 1981	Mar 16, 1982
60	S & J Operating Co.	7	7	0	7	Dec 27, 1979	Apr 19, 1989
61	Atoka Operating, Inc.	7	7	0	1	Aug 26, 2010	Feb 10, 2016
62	Bristol Oil & Gas Corporation	7	7	0	0	Dec 10, 1984	Aug 28, 1986
63	Hatcher & Arthur Production	7	7	0	0	Jun 24, 1980	Oct 14, 1980
64	Long-Tex Exploration, Inc.	7	7	0	0	May 27, 1988	Apr 10, 1992
65	Oasis Operating, Inc.	7	7	0	0	Oct 10, 1988	Jan 5, 2012
66	Patton, E. N. Oil Company, Inc.	7	7	0	0	Dec 16, 1991	Nov 2, 2011
67	Plains Petroleum Operating Co.	7	7	4	0	Dec 21, 1990	Nov 2, 1993
68	Lewis, R. T.	6	6	0	24	Aug 17, 1977	Jan 25, 1979
69	Bridwell Oil Co.	6	6	0	20	Feb 23, 1978	Aug 22, 2013
70	Lomax, Thornton Jr.	6	6	0	7	Feb 21, 1978	Mar 19, 1982
71	Angelo, Ernest, Jr.	6	6	0	6	Feb 21, 2001	Jan 17, 2006
72	Steinberger, Gerald	6	6	0	5	Jul 21, 1977	Nov 21, 1978
73	Enexco U.S.A., Ltd.	6	6	0	3	Mar 11, 1980	Dec 14, 1987
74	Johnson & Ernst Operating Co.	6	6	0	3	Aug 16, 2007	Apr 23, 2012
75	Thompson, John R. Operating, Inc	6	6	0	1	Nov 4, 1981	Mar 1, 1985
76	Atmos Energy Corp., Mid-Tex Div.	6	6	0	0	Jan 8, 2009	Feb 21, 2014
77	Barnett Operating, Inc.	6	6	0	0	Jan 31, 1989	Oct 9, 1990
78	Canan Mowrey Operating, LLC	6	6	0	0	Nov 9, 2010	Sep 4, 2020
79	Drillway, Inc.	6	6	0	0	Sep 4, 1981	Mar 22, 1982
80	Energy Transfer Company	6	6	0	0	Jun 25, 2025	Jul 1, 2025
81	Harmel-Schaaf	6	6	0	0	Jul 22, 1983	Oct 6, 1983
82	Schkade Bros. Operating Company	6	6	0	0	Dec 9, 1997	Oct 6, 2000
83	Seven Wells & Jet Drilling Co.	6	6	0	0	Feb 2, 1982	Apr 20, 1983
84	Vedco	6	6	0	0	Oct 18, 1982	Jun 5, 1984
85	Sojourner Drilling Corporation	5	5	0	25	Dec 31, 1981	May 8, 2024
86	Loudon Operating Company, L.L.C.	5	5	0	3	Aug 24, 2018	Aug 14, 2019
87	McElroy, Bruce	5	5	0	1	Oct 28, 1983	Oct 1, 1984
88	Waggoner Operating, L.L.C.	5	5	0	1	Nov 25, 2025	Jun 16, 2026
89	Norman Oil Corporation	5	5	0	0	Jul 28, 1993	Dec 3, 1996
90	Reid Petroleum Resources	5	5	0	0	Oct 20, 1982	Oct 20, 1982
91	Shiloh Oil Company LLC	5	5	0	0	Dec 6, 2022	Dec 6, 2022
92	Sun Exploration & Production Co.	5	5	0	0	May 21, 1981	Feb 2, 1989
93	Tri Energy Resources, Inc.	5	5	0	0	Sep 13, 2012	Jan 4, 2013
94	Wolfson, I. J.	5	5	0	0	Dec 13, 1983	Oct 8, 1985
95	Reynolds, Richard	4	4	0	37	Feb 7, 1984	Dec 5, 1985
96	Burk Royalty Company	4	4	0	2	Sep 12, 1986	Jan 12, 1999
97	Bettis, Boyle & Stovall	4	4	0	1	Feb 11, 1991	Apr 7, 2017
98	Cowan, Paul W.	4	4	0	1	Feb 3, 1982	Jun 19, 1984
99	Raw Energy Corporation	4	4	0	1	Jul 10, 1981	Sep 27, 1983
100	China Star Oil Co., LLC	4	4	0	0	May 16, 2007	Aug 12, 2009
101	Crego Exploration	4	4	0	0	Apr 16, 1998	Oct 5, 1999
102	Daltex Oil & Gas Co.	4	4	0	0	Sep 5, 1984	Dec 30, 1985
103	Decleva, Paul	4	4	0	0	Oct 31, 1980	Mar 7, 1985
104	Double O Properties	4	4	0	0	Jul 12, 1989	Nov 20, 1990
105	Herrington Exploration Co.	4	4	0	0	Jul 16, 1981	Dec 30, 1986
106	Horne Oil Company	4	4	0	0	Jul 31, 1980	Aug 2, 1984
107	L & M Oil Co.	4	4	0	0	Nov 4, 1983	May 22, 1989
108	Mansfield Petroleum	4	4	0	0	Dec 14, 1984	Dec 14, 1984
109	Oge Drilling, Inc.	4	4	0	0	Oct 14, 1980	Jul 3, 1981
110	Oui Operating Co., Inc.	4	4	0	0	Sep 17, 1985	Aug 6, 1987
111	Rippy Oil Company	4	4	0	0	Apr 8, 1994	Jun 11, 1996
112	Sauder Management Company	4	4	0	0	Mar 17, 1986	Feb 19, 1987
113	Seven Wells Oil & Gas Expl.	4	4	0	0	Jul 26, 1983	Jun 9, 1992
114	Stamper Operating Co., Inc.	4	4	0	0	Mar 18, 1987	Jan 25, 2000
115	Toltec Oil & Gas, Inc.	4	4	0	0	Dec 21, 1979	Feb 9, 1981
116	Watson Properties, Inc	4	4	0	0	Mar 24, 1980	Mar 24, 1980
117	Westport Oil and Gas Company, LP	4	4	0	0	Dec 19, 2002	Aug 12, 2003
118	GBG Operating Corp.	3	3	0	11	Jan 5, 1995	Mar 18, 1996
119	Cities Service Company	3	3	0	7	Sep 1, 1977	Feb 27, 1980
120	Dallas Energy Development Corp.	3	3	0	3	Jul 28, 1983	Oct 27, 1983
121	Amoco Production Company	3	3	0	1	Feb 22, 1984	Oct 15, 1984
122	Covenant Operating, LLC	3	3	0	1	Feb 16, 2024	Feb 4, 2025
123	H.S. Production Company	3	3	0	1	Apr 10, 1981	Jun 25, 1981
124	Kinder Morgan Production Co LLC	3	3	0	1	Jul 27, 2011	Jan 26, 2012
125	P-Tex Petroleum, Inc.	3	3	0	1	Jul 6, 1982	Oct 3, 1985
126	Schalk Oil Company, Inc.	3	3	0	1	Aug 6, 2015	Jan 27, 2020
127	Sherley Oil Company	3	3	0	1	Mar 15, 1983	Jul 18, 1983
128	Spindletop Oil&gas Company	3	3	0	1	Dec 28, 1982	Mar 19, 1991
129	Tibbets, Lennis D.	3	3	0	1	Apr 28, 1983	Nov 29, 1983
130	American Energy Development Co.	3	3	0	0	Apr 15, 1985	May 31, 1985
131	Amv Operating, Inc.	3	3	0	0	Jun 22, 1982	Mar 24, 1983
132	Bright & Co.	3	3	0	0	May 21, 1979	Sep 5, 1985
133	Casco Oil, Inc.	3	3	0	0	Jan 28, 1986	Jun 1, 1987
134	Continental U S Exploration, Inc	3	3	0	0	Dec 15, 1980	Dec 27, 1983
135	Double River Oil and Gas Co.	3	3	0	0	May 30, 1984	Dec 10, 1984
136	Felderhoff Production Co.	3	3	0	0	Jul 13, 1988	Feb 28, 1989
137	Gage, H. L.	3	3	0	0	Dec 7, 1978	May 18, 1981
138	Henry Petroleum Corp.	3	3	0	0	Feb 23, 1987	Aug 12, 1987
139	Holden Energy Corporation	3	3	0	0	Jun 15, 1983	Jul 26, 1984
140	Hunt Partnership	3	3	0	0	Apr 27, 2010	May 7, 2012
141	HW Operating, LLC	3	3	0	0	Feb 21, 2018	Oct 14, 2022
142	Kelly-Barnett Petroleum, Inc.	3	3	0	0	Oct 23, 1985	Nov 14, 1986
143	National Diversified Prop., Co.	3	3	0	0	Aug 15, 1984	Aug 23, 1985
144	Novo Exploration Corporation	3	3	0	0	Nov 1, 2004	Oct 30, 2006
145	Richardson, Joe C., Jr.	3	3	0	0	Nov 28, 1977	Dec 11, 1978
146	Schalk, Thomas S.	3	3	0	0	Nov 12, 1984	Feb 4, 1991
147	Schiff, H. G. & Co.	3	3	0	0	Dec 4, 1978	Feb 1, 1985
148	Semac Oil Co.	3	3	0	0	May 11, 1979	Nov 16, 1979
149	SRG Oil Corporation	3	3	0	0	Dec 18, 1984	Nov 12, 1987
150	S.U.E. Company	3	3	0	0	Jul 18, 1994	Jul 19, 1996
151	Sundown Petroleum, Inc.	3	3	0	0	Aug 9, 1982	Nov 22, 1982
152	Sunoco Pipeline L.P.	3	3	0	0	Sep 25, 2014	Apr 16, 2020
153	Sun Pipe Line Company	3	3	0	0	Apr 28, 2000	Dec 13, 2001
154	Swanson, Tommy Oil Company, Inc.	3	3	0	0	Apr 15, 2008	Sep 26, 2011
155	Tiki Exploration Corp.	3	3	0	0	Oct 20, 1983	Dec 3, 1984
156	United Energy Partners, Inc.	3	3	0	0	Apr 24, 1996	Mar 3, 1997
157	Watkins, B. B.	3	3	0	0	May 28, 1979	Dec 20, 1979
158	Wiser Oil Company, The	3	3	0	0	Sep 8, 1987	Aug 12, 1992
159	Xplore Operating, LLC	3	3	0	0	Aug 17, 2010	Mar 18, 2011
160	Yarberry, L. W.	3	3	0	0	Jan 29, 1980	Mar 10, 1980
161	Midwestern Energy	2	2	0	15	Apr 6, 2007	Oct 4, 2008
162	Richardson, Bud II	2	2	0	6	Jun 30, 1994	Jul 18, 1997
163	Texaco Inc.	2	2	0	4	Jun 17, 1985	Aug 5, 1987
164	P. L. O.	2	2	0	3	Jun 6, 1990	Jun 6, 1990
165	Cypress Production, Inc.	2	2	0	1	Jan 31, 2020	Jan 31, 2020
166	GG Oil LLC	2	2	0	1	Jul 13, 2020	Jul 13, 2020
167	Hood, J. Frank, Jr.	2	2	0	1	Nov 18, 1999	Nov 18, 1999
168	Texas Land & Petro Co., LLC	2	2	0	1	Nov 19, 2008	Nov 19, 2008
169	Winco Oil Inc.	2	2	0	1	Aug 23, 1990	Sep 10, 1990
170	Abilene Oil & Gas Co.	2	2	0	0	Dec 6, 1982	Dec 7, 1982
171	Anathema, Inc.	2	2	0	0	Oct 3, 1984	Dec 13, 1985
172	Aquarius Oil & Gas Company	2	2	0	0	Jul 19, 1984	Dec 4, 1984
173	Aquila Petroleum, Inc.	2	2	0	0	Sep 13, 1983	Nov 9, 1983
174	Bair-Lee Oil Co., Inc.	2	2	0	0	Oct 9, 1980	Oct 9, 1980
175	Barbee, John W.	2	2	0	0	Feb 1, 1980	Jul 29, 1980
176	Belco Energy Corp.	2	2	0	0	Jun 14, 2001	Jun 14, 2001
177	Bent Tree Petroleum, Inc.	2	2	0	0	Feb 26, 1985	May 8, 1985
178	Big D Petroleum Inc.	2	2	0	0	Oct 28, 1982	Oct 28, 1982
179	Bolin, R. L.	2	2	0	0	Apr 18, 1983	Dec 10, 1985
180	Brooks, E. B., Jr.	2	2	0	0	Nov 12, 1979	Dec 1, 1980
181	Brower Oil & Gas Co., Inc.	2	2	0	0	Jun 14, 2024	Jan 30, 2025
182	Brown Bear Energy, Inc.	2	2	0	0	Jul 3, 1987	Nov 16, 1987
183	Bullet Development, LLC	2	2	0	0	Apr 16, 2012	Aug 5, 2015
184	Cobra Oil & Gas Corporation	2	2	0	0	Mar 28, 1984	Jun 27, 1984
185	Coda Energy, Inc.	2	2	0	0	May 4, 1998	May 13, 1998
186	Davis Brothers	2	2	0	0	Jun 8, 1988	Dec 6, 1988
187	DDT Oil Company	2	2	0	0	Jun 5, 1990	Jun 5, 1990
188	Dinger, John C. Co.	2	2	0	0	Apr 2, 1986	Apr 3, 1986
189	D.J. & T. Energy	2	2	0	0	Sep 23, 2021	Sep 23, 2021
190	Enserch Exploration, Inc	2	2	0	0	Jan 16, 1980	Dec 18, 1984
191	Expro Engineering, Inc.	2	2	0	0	Feb 16, 2021	Nov 1, 2021
192	Fair Operating	2	2	0	0	Oct 7, 1983	Apr 2, 1984
193	Feather-Mor Operating	2	2	0	0	Apr 10, 1984	Apr 19, 1984
194	Gillring Oil Company	2	2	0	0	Aug 5, 1980	Sep 24, 1980
195	Golden, Emitt & Co.	2	2	0	0	Dec 2, 1977	May 1, 1978
196	Gunn-Seitz	2	2	0	0	Apr 29, 1981	Jun 12, 1981
197	Harbert Energy Corporation	2	2	0	0	Nov 7, 1990	Dec 28, 1990
198	Humble Products, Inc.	2	2	0	0	Aug 24, 1982	Sep 3, 1982
199	Hunter Brothers	2	2	0	0	Dec 18, 1980	Dec 18, 1980
200	Johnson, William D.	2	2	0	0	Jun 14, 1995	Jun 25, 1996
201	Jones Co.	2	2	0	0	Sep 17, 1986	Sep 19, 1986
202	Jordan & Burnett Oil Co.	2	2	0	0	Sep 10, 1984	Nov 5, 1984
203	King Operating Corporation	2	2	0	0	Jul 19, 1999	Jul 19, 1999
204	K J K Corp.	2	2	0	0	Dec 6, 1983	Feb 8, 1984
205	KO-MO Oil Company	2	2	0	0	Dec 8, 1981	Feb 9, 1984
206	K-O Production	2	2	0	0	Apr 27, 1983	Nov 26, 1984
207	Langford, R.C.	2	2	0	0	Feb 17, 1982	Jun 21, 1982
208	LMH Energy	2	2	0	0	Sep 24, 2013	Sep 24, 2013
209	McCown Engineering	2	2	0	0	May 18, 2011	Jan 19, 2012
210	McGoo Exploration & Trading Inc.	2	2	0	0	Jul 21, 1983	Oct 20, 1983
211	Mueller Exploration, Inc.	2	2	0	0	Jul 22, 2004	Jul 22, 2004
212	Natchez Drilling Company	2	2	0	0	Dec 19, 1984	Dec 19, 1984
213	Nordan Oil & Gas Corp.	2	2	0	0	Aug 11, 1987	Jun 13, 1990
214	Patton Exploration, Inc.	2	2	0	0	Oct 17, 1995	Nov 13, 1995
215	Ped Oil Corporation	2	2	0	0	May 28, 1992	Jul 26, 1993
216	Pride Pipeline Company	2	2	0	0	Mar 6, 1996	Mar 7, 1996
217	Rio-Tex, Inc.	2	2	0	0	May 4, 2000	May 10, 2000
218	Sarlind Energy Company	2	2	0	0	Aug 16, 1983	Feb 22, 1984
219	Sn'b Sales	2	2	0	0	Oct 21, 1981	Oct 21, 1981
220	Staley Oil Company	2	2	0	0	Mar 27, 1991	Aug 30, 1999
221	Star Production, Inc.	2	2	0	0	Feb 6, 2009	Sep 19, 2014
222	Stovall Operating Co.	2	2	0	0	Aug 15, 1997	Jul 20, 2000
223	Sunset Energy of Texas, Inc.	2	2	0	0	Jun 11, 1985	Sep 16, 1985
224	Teas, Paul Estate Agency	2	2	0	0	Apr 16, 1984	Apr 4, 1985
225	Terra Resources, Inc.	2	2	0	0	May 18, 1987	May 18, 1987
226	Townsend the Co.	2	2	0	0	Jan 29, 1993	May 4, 1993
227	Tyra, Sam B.	2	2	0	0	May 4, 1984	Jul 30, 1984
228	Vault Operating, LLC	2	2	0	0	May 23, 2012	May 23, 2012
229	Vista Exploration, LLC	2	2	0	0	Mar 28, 2016	Jun 21, 2016
230	V.L.M. Oil Co.	2	2	0	0	Jan 31, 1984	Feb 24, 1984
231	Waco Petro, LP	2	2	0	0	Dec 30, 2010	Dec 30, 2010
232	Wal-Key Oil Company, Inc.	2	2	0	0	Dec 31, 1981	Feb 9, 1982
233	Wichita Star Petroleum, Inc.	2	2	0	0	Jun 10, 1985	Jul 2, 1985
234	Winco Operating, Inc.	2	2	0	0	Jul 26, 1989	Feb 22, 1990
235	Wolfson, William L.	2	2	0	0	Aug 14, 1985	Oct 25, 1985
236	W.T. Waggoner Estate, Inc.	2	2	0	0	May 28, 2024	Jun 5, 2024
237	Zinni-Horne Oil Company	2	2	0	0	Dec 31, 1980	Aug 10, 1981
238	Zonne, R. J.	2	2	0	0	Dec 4, 1981	Apr 28, 1982
239	Tannehill Well Service	1	1	0	14	Jan 27, 1978	Jan 27, 1978
240	Wortham, E. H.	1	1	0	6	Jan 29, 1981	Jan 29, 1981
241	D.J.F. Services, Inc.	1	1	0	5	Jan 11, 2012	Jan 11, 2012
242	Talon Production, Inc.	1	1	0	4	Oct 5, 1998	Oct 5, 1998
243	Borderline Operating Corp.	1	1	0	3	Jun 30, 2008	Jun 30, 2008
244	Chap Operating, Inc.	1	1	0	3	May 13, 1986	May 13, 1986
245	TDC Engineering, Inc.	1	1	0	3	May 25, 1990	May 25, 1990
246	Best Petroleum Explorations, Inc	1	1	0	2	Nov 7, 1994	Nov 7, 1994
247	D Bar Oil Co.	1	1	0	2	Mar 21, 1980	Mar 21, 1980
248	Rainwater, C. F.	1	1	0	2	Jul 1, 1977	Jul 1, 1977
249	Stephens & Johnson Operating Co.	1	1	0	2	Jan 22, 2001	Jan 22, 2001
250	A & W Operating	1	1	0	1	Apr 8, 1985	Apr 8, 1985
251	Barbee, Inc.	1	1	0	1	Sep 3, 1982	Sep 3, 1982
252	Bowerman Oil & Gas, Inc.	1	1	0	1	Apr 28, 1989	Apr 28, 1989
253	Chalmers, John H.	1	1	0	1	Jul 12, 1978	Jul 12, 1978
254	Dedica Energy Corporation	1	1	0	1	Jun 8, 1989	Jun 8, 1989
255	Harrington, Donnie E.	1	1	0	1	Apr 26, 1978	Apr 26, 1978
256	Midland Oil and Gas, Inc.	1	1	0	1	Aug 12, 1993	Aug 12, 1993
257	Rayco Operating, Inc.	1	1	0	1	Nov 8, 2013	Nov 8, 2013
258	Spruiell Drilling Co., Inc.	1	1	0	1	Sep 10, 1981	Sep 10, 1981
259	Standard Oil Production Company	1	1	0	1	Aug 26, 1988	Aug 26, 1988
260	Ace Drilling Co. Inc.	1	1	0	0	Dec 10, 1982	Dec 10, 1982
261	Alliance Resources Corporation	1	1	0	0	Dec 12, 1986	Dec 12, 1986
262	Allmon Operating Co., Inc.	1	1	0	0	Sep 7, 1984	Sep 7, 1984
263	Arcadia Refining Co.	1	1	0	0	May 13, 1987	May 13, 1987
264	Atmos Energy,west Texas Division	1	1	0	0	Mar 9, 2023	Mar 9, 2023
265	Atmos Pipeline - Texas	1	1	0	0	Mar 24, 2014	Mar 24, 2014
266	Bass Enterprises Production Co.	1	1	0	0	Feb 15, 1983	Feb 15, 1983
267	Bell, Parks W.	1	1	0	0	Mar 26, 1979	Mar 26, 1979
268	Benson & Schoen Oil Co., Inc.	1	1	0	0	Jan 28, 1993	Jan 28, 1993
269	Big C Oil Co.	1	1	0	0	Mar 3, 1986	Mar 3, 1986
270	Bloomer & Associates, Inc.	1	1	0	0	Dec 16, 1986	Dec 16, 1986
271	Bolin, C. W.	1	1	0	0	Jan 3, 1980	Jan 3, 1980
272	Bonray Drilling Co.	1	1	0	0	Aug 1, 1977	Aug 1, 1977
273	Borders, Delbert L. Inc.	1	1	0	0	Aug 13, 1985	Aug 13, 1985
274	Boyd, Foy Management Corp.	1	1	0	0	Mar 13, 1981	Mar 13, 1981
275	Breck Operating Corp.	1	1	0	0	Feb 26, 1992	Feb 26, 1992
276	Brown, Bobby	1	1	0	0	Jun 25, 1984	Jun 25, 1984
277	Browning Oil Company, Inc.	1	1	0	0	Jun 22, 1998	Jun 22, 1998
278	Burns Operating	1	1	0	0	Aug 25, 1988	Aug 25, 1988
279	Burns Petroleum	1	1	0	0	Mar 30, 1979	Mar 30, 1979
280	Cal-Tex Natural Gas Corp.	1	1	0	0	Apr 8, 1991	Apr 8, 1991
281	C D Energy Inc.	1	1	0	0	Feb 7, 1984	Feb 7, 1984
282	Chapman Energy, Inc.	1	1	0	0	Aug 23, 1984	Aug 23, 1984
283	Chenoweth, Grover	1	1	0	0	Aug 5, 1982	Aug 5, 1982
284	Chisholm Operating, Inc.	1	1	0	0	Mar 12, 2026	Mar 12, 2026
285	Clear Fork Exploration	1	1	0	0	Nov 22, 1977	Nov 22, 1977
286	Closuit, Ernest, Jr.	1	1	0	0	Oct 30, 1979	Oct 30, 1979
287	C & N Production	1	1	0	0	Jun 23, 1983	Jun 23, 1983
288	Coquina Oil Corporation	1	1	0	0	Jul 10, 1981	Jul 10, 1981
289	Cortez Oil, Inc.	1	1	0	0	Aug 22, 1985	Aug 22, 1985
290	Crawood Energy Company	1	1	0	0	Nov 26, 1985	Nov 26, 1985
291	Danc, Inc.	1	1	0	0	Jun 30, 1983	Jun 30, 1983
292	Davis, Billy Don	1	1	0	0	Oct 14, 1977	Oct 14, 1977
293	Day & Co. Inc.	1	1	0	0	Oct 15, 1981	Oct 15, 1981
294	Delong, Lawrence H & Assoc Inc.	1	1	0	0	Jun 19, 1986	Jun 19, 1986
295	Delta Drilling Co.	1	1	0	0	Oct 3, 1977	Oct 3, 1977
296	Delwintex Oil & Gas Prop., Inc.	1	1	0	0	Nov 28, 1984	Nov 28, 1984
297	Dinero Operating Company	1	1	0	0	Nov 21, 1980	Nov 21, 1980
298	D-S Pipe Line Corp.	1	1	0	0	Jul 23, 1990	Jul 23, 1990
299	Dunigan, James P., Inc.	1	1	0	0	Apr 5, 1978	Apr 5, 1978
300	Eastco Gas Co.	1	1	0	0	Oct 23, 1979	Oct 23, 1979

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