COUNTIES · MITCHELL · OPERATORS

Mitchell 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	Energen Resources Corporation	1,328	1,328	0	6	Mar 19, 2001	Aug 27, 2018
2	Chevron U. S. A. Inc.	268	268	3	1	Feb 10, 1978	Dec 27, 2000
3	Crownquest Operating, LLC	188	188	0	18	Jan 19, 1995	May 13, 2024
4	Mobil Producing TX. & N.M. Inc.	172	172	0	0	Mar 14, 1980	Mar 28, 1990
5	American Petrofina Co. of Tex.	159	159	0	10	Oct 25, 1978	Jun 27, 1985
6	Parker & Parsley Development L.P	156	156	0	0	Mar 24, 1995	Jun 24, 1997
7	Sun Exploration & Production Co.	112	112	0	1	Jul 1, 1977	May 13, 1981
8	Cimarex Energy Co. of Colorado	108	108	0	0	Aug 1, 2006	Oct 10, 2008
9	Fina Oil & Chemical Company	99	99	0	6	Jan 24, 1986	Sep 11, 1998
10	Gruy Petroleum Management Co.	96	96	0	0	Oct 27, 1997	Apr 5, 2006
11	Ray, D. L. Inc.	84	84	0	0	Oct 1, 1985	Aug 19, 1986
12	First Permian, L.L.C.	83	83	0	2	Sep 28, 1999	Sep 17, 2001
13	Merit Energy Company	78	78	0	0	Jan 3, 1991	Mar 10, 2012
14	Bayswater Operating Company LLC	74	74	69	29	Feb 10, 2022	Jul 16, 2026
15	Basa Resources, Inc.	72	72	0	786	Jun 29, 2011	Sep 21, 2026
16	Hrubetz Operating Company	72	72	0	0	Feb 28, 1985	Nov 8, 1988
17	Sun Expl. & Prod. Co.-Abilene	71	71	0	3	Dec 31, 1980	Sep 29, 1988
18	Ellpen, Inc.	70	70	0	0	Jan 11, 1980	Sep 4, 1981
19	Quantum Resources Management,llc	67	67	0	0	Aug 12, 2008	Sep 5, 2014
20	Parker & Parsley Development Co.	64	64	0	1	Aug 7, 1992	Feb 3, 1995
21	Pioneer Natural Res. USA, Inc.	63	63	0	1	Sep 3, 1997	Mar 1, 1999
22	Atlas Energy Corp.	58	58	0	0	Nov 27, 1978	Dec 12, 1983
23	Union Texas Petroleum Corp.	56	56	0	1	Mar 9, 1978	Jun 20, 1990
24	Soma Operating Company, LLC	54	54	0	28	Aug 19, 2008	Aug 5, 2009
25	Schlachter Operating Corporation	49	49	0	413	Oct 26, 2000	May 13, 2020
26	Melrose Operating Company	44	44	0	20	Aug 6, 2008	Feb 19, 2009
27	Abraxas Petroleum Corp.	44	44	0	2	Apr 10, 1978	Mar 14, 1991
28	Rasmussen, Tom	39	39	0	10	Oct 6, 1977	Dec 7, 1989
29	Purvis Operating Co.	39	39	0	0	Sep 24, 2009	Jul 6, 2017
30	Keck, W. M., Jr., Mrs.	38	38	0	0	Mar 19, 1986	Dec 11, 1986
31	Wilbanks, Bruce & G.L.	36	36	0	0	Mar 26, 1981	Sep 29, 1983
32	Grand Banks Energy Company	34	34	0	6	Mar 1, 1985	Feb 3, 1993
33	Exxon Corp.	33	33	0	0	Dec 20, 1977	Feb 8, 1985
34	Bizzell, J. R.	32	32	0	0	Jun 2, 1978	Aug 13, 1985
35	Enervest Operating, L.L.C.	32	32	0	0	Jan 21, 2004	May 2, 2005
36	Tipco	32	32	0	0	Jun 20, 1977	Oct 27, 1982
37	SDX Resources, Inc.	31	31	0	1	Jun 14, 1995	May 1, 1997
38	Guthrie, A. K. Operating Co.	30	30	0	8	Nov 30, 1977	Jan 15, 1985
39	Kidd, Barron	30	30	0	5	Jul 28, 1977	Jul 11, 1985
40	Meridian Oil Inc.	30	30	0	0	Aug 24, 1992	Jul 5, 1995
41	Devon Energy Production Co, L.P.	28	28	26	6	Jul 20, 2012	Jun 30, 2014
42	Sabinal Energy Operating, LLC	28	28	4	2	Mar 1, 2021	Jan 21, 2025
43	Saguaro Petroleum, LLC	27	27	2	18	Nov 10, 2021	Mar 3, 2026
44	Walden, Max Production	26	26	0	0	Oct 27, 1980	Jul 24, 1981
45	Lem Operating Co. Inc.	25	25	0	19	Jun 8, 1979	Oct 28, 1985
46	Baytech, Inc.	25	25	0	7	Nov 14, 1988	Sep 27, 2000
47	Mobil Oil Corporation	25	25	0	0	Jun 6, 1977	Jan 11, 1980
48	L.C.S. Production Company	24	24	0	4	Jun 13, 2001	May 29, 2015
49	Sharp Image Energy, Inc.	23	23	0	17	Oct 30, 2002	Oct 2, 2023
50	Allegro Operating, Inc.	23	23	0	0	Dec 2, 1996	Mar 26, 1997
51	WMT Operating Co., Inc.	23	23	0	0	Dec 8, 1981	Apr 5, 1983
52	Spiller, E. F.	22	22	0	0	Jul 18, 1977	Feb 13, 1981
53	HMH Operators	21	21	0	10	Jun 7, 1977	Apr 11, 1983
54	Crews Oil Company	21	21	0	1	Jun 6, 1984	Oct 22, 1985
55	RHB Exploration & Production,llc	20	20	0	26	Sep 11, 2014	Sep 30, 2025
56	Sun Expl. & Prod. Co.-Midland	19	19	0	0	Sep 25, 1979	Jun 2, 1982
57	Bright & Co.	18	18	0	6	Oct 18, 1990	Sep 24, 2009
58	Texaco Inc.	18	18	0	1	Apr 10, 1984	Nov 15, 1989
59	Wilbanks, Bruce A.	17	17	0	1	Feb 6, 1978	May 13, 1982
60	Cole, John Otis	17	17	0	0	Oct 19, 1982	Aug 27, 1985
61	Pentad Development Corp.	17	17	0	0	Jun 15, 1977	Feb 13, 1979
62	Reatta Energy, Inc.	16	16	0	36	Apr 26, 2010	Feb 14, 2022
63	Huffco Petroleum Corporation	16	16	0	1	Mar 24, 1982	Feb 12, 1985
64	Barber, Dan L.	15	15	0	0	May 2, 1980	Jun 4, 1984
65	Anadarko Petroleum Corp.	14	14	0	3	Jul 13, 1989	Oct 30, 1990
66	Kohler Energy Corporation	14	14	0	1	Jul 30, 1984	Aug 14, 1991
67	Granbury Oil Co., Inc.	13	13	0	1	Nov 19, 1979	Jan 29, 1980
68	Vista Energy Corp.	13	13	0	1	Jun 15, 1984	Apr 9, 1987
69	Bishop, D. L.	13	13	0	0	May 22, 1980	Sep 20, 1990
70	Melton, Joe, Drlg. Co., Inc.	13	13	0	0	Sep 7, 1979	Feb 18, 1981
71	Zuhone, William H. Jr.	13	13	0	0	Dec 31, 1985	Mar 30, 1987
72	Marshall & Winston, Inc.	12	12	0	4	Apr 1, 1980	Dec 18, 1987
73	Deminex U. S. Oil Co.	12	12	0	0	Nov 20, 1979	Oct 23, 1986
74	Dodson, Wayne	12	12	0	0	Jun 7, 1977	Oct 17, 1984
75	Morris, W. Dale Inc.	12	12	0	0	Mar 25, 1982	Dec 31, 1986
76	T.J.H. Drilling Corp.	12	12	0	0	Mar 23, 1978	Feb 15, 1983
77	SD Royale Energy, Inc.	11	11	0	185	Jan 22, 2020	Mar 24, 2026
78	Highpeak Energy Holdings, LLC	11	11	5	5	May 6, 2024	Feb 7, 2025
79	Richmond Drilling Company	11	11	0	2	May 24, 1982	Feb 26, 1987
80	Skees, W. A.	11	11	0	0	Dec 31, 1979	Jun 7, 1982
81	Tuthill & Barbee	10	10	0	1	Apr 13, 1981	Dec 30, 1985
82	Allmon Operating Co., Inc.	10	10	0	0	Mar 7, 1983	Jul 27, 1984
83	Enexco U.S.A., Ltd.	10	10	0	0	Mar 8, 1983	Oct 23, 1984
84	Mabee Petroleum Corp.	10	10	0	0	Aug 1, 1977	Jun 3, 1983
85	SDS Production	10	10	0	0	Oct 13, 1981	Jun 10, 1983
86	Threshold Development Co.	10	10	0	0	Oct 21, 1992	Feb 15, 1995
87	Americo Energy Resources, LLC	9	9	0	208	Apr 10, 2006	Dec 30, 2016
88	Eastland Oil Company, The	9	9	0	12	Apr 26, 1979	Oct 14, 1981
89	Spiller Oil Corp.	9	9	0	2	Feb 13, 1981	Jun 14, 1985
90	Petroleum Group Inc.	9	9	0	1	Dec 15, 1982	Apr 13, 1984
91	Walden, Max Production, Inc.	9	9	0	1	Feb 19, 1981	May 7, 1982
92	Lawless Energy, Inc.	9	9	0	0	Jul 19, 1985	Oct 10, 1985
93	Majestic Enterprises Corporation	9	9	0	0	Nov 5, 1980	Mar 10, 1981
94	Russell, Phillip	9	9	0	0	Oct 12, 1977	Oct 28, 1994
95	TDC Engineering, Inc.	9	9	0	0	Feb 23, 1994	Jun 8, 1994
96	Cedar Bend Oil Company	8	8	0	38	Mar 17, 2005	Mar 31, 2011
97	Gray, Gordon Operator	8	8	0	8	Apr 23, 1982	Jan 27, 1984
98	Cox, Robert G. & Associates,inc.	8	8	0	1	Aug 7, 1980	Mar 10, 1986
99	Energy Transfer Company	8	8	0	0	Jan 20, 2021	Aug 26, 2026
100	Musselman Petroleum & Land Co.	8	8	0	0	Sep 22, 1978	Apr 27, 1984
101	Parapetroleum	8	8	0	0	Mar 11, 1983	Jul 29, 1983
102	Unitex Oil & Gas, L.L.C.	7	7	0	195	Sep 10, 2008	Mar 20, 2019
103	Coalinga Corporation	7	7	0	6	Jun 17, 1987	Jul 5, 1993
104	Trend Exploration Company	7	7	0	1	Mar 7, 1990	Dec 12, 1994
105	Barbee, John W.	7	7	0	0	Aug 24, 1977	Feb 19, 1980
106	Calley & Fowler	7	7	0	0	Sep 27, 1978	Dec 20, 1979
107	Coke Oil, Inc.	7	7	0	0	Sep 22, 1982	Feb 16, 1983
108	Majestic Resources Corporation	7	7	0	0	Jan 29, 1982	Jan 29, 1982
109	Manzanita Corporation	7	7	0	0	Oct 9, 2002	Nov 3, 2005
110	Williams, Clayton Energy, Inc.	6	6	0	6	Aug 28, 2007	Jan 12, 2012
111	Lario Oil & Gas Company	6	6	0	2	Feb 29, 1980	Feb 4, 1985
112	S.B. Street Operating, Inc.	6	6	0	1	Jul 29, 2004	Jun 11, 2015
113	Adams, David	6	6	0	0	May 14, 1980	Feb 2, 1984
114	Barbee, Inc.	6	6	0	0	Oct 31, 1980	Jul 8, 1981
115	Burt Oil Company	6	6	0	0	Jun 5, 1980	Jul 23, 1984
116	Continental U S Exploration, Inc	6	6	0	0	Dec 31, 1980	Aug 26, 1981
117	Holly Energy Partners-OP, L.P.	6	6	0	0	Jun 17, 2010	Oct 19, 2018
118	Houston Pipe Line Company LP	6	6	0	0	Apr 15, 2014	May 3, 2019
119	Laguna Petroleum Corporation	6	6	0	0	Jun 13, 1980	Jul 23, 1991
120	Nrpc Operating, LLC	6	6	0	0	Apr 8, 2008	May 21, 2008
121	Wilchar, Dr. R. B.	6	6	0	0	Feb 25, 1987	Nov 24, 1987
122	Swjn Oil Company	5	5	1	48	Oct 25, 2017	Jan 24, 2020
123	Pride Energy Company	5	5	0	8	Jan 31, 2014	Jan 31, 2014
124	Duncan Drilling Co.	5	5	0	7	Nov 14, 1977	Feb 7, 1978
125	Laredo Petroleum, Inc.	5	5	2	2	Aug 11, 2012	Aug 11, 2012
126	Bedford Oil & Gas, Inc.	5	5	0	1	Dec 11, 1978	Mar 8, 1993
127	Gladson, Willard	5	5	0	1	Jan 28, 1982	Oct 10, 1984
128	Barnes-Pomeroy Oil Company	5	5	0	0	Jul 7, 1978	Aug 7, 1980
129	Ceilo Verde Corporation	5	5	0	0	Apr 8, 1981	Nov 2, 1982
130	Dyson, J.A. & Sons Production Co	5	5	0	0	Jul 19, 1982	Jul 23, 1982
131	Ellis, Leo D.	5	5	0	0	Dec 20, 1977	Mar 1, 1978
132	Enterprise Products Operatingllc	5	5	0	0	Jul 23, 2009	May 19, 2026
133	Falcon-Colorado Exploration, Inc	5	5	0	0	Sep 19, 1980	Sep 19, 1980
134	Fossil Production Company	5	5	0	0	Dec 31, 1982	Nov 8, 1985
135	McAl Energy Corporation	5	5	0	0	Jun 30, 1981	Apr 21, 1982
136	McCann Corporation	5	5	0	0	Jul 20, 1977	Oct 27, 1981
137	Seminole Oil Co.	5	5	0	0	Jun 9, 1977	Jun 16, 1977
138	Sweetwater Drilling Co. Inc.	5	5	0	0	Jun 11, 1979	Dec 12, 1980
139	Wash, Robert C.	5	5	0	0	Mar 18, 1985	Nov 22, 1985
140	Partee Drilling Inc.	4	4	0	23	Jul 21, 1998	Dec 11, 2000
141	Dedica Energy Corporation	4	4	0	10	Nov 10, 1992	Dec 10, 1992
142	Kek Exploration LLC	4	4	0	7	Sep 2, 2025	Jun 26, 2026
143	Jarrell-Robinson Oil Co.	4	4	0	2	Jul 13, 1977	Feb 10, 1978
144	Anadarko Production Company	4	4	0	1	Apr 11, 1980	Jun 8, 1983
145	Endeavor Energy Resources L.P.	4	4	0	1	Oct 24, 2008	Dec 2, 2014
146	Alpha Twenty-One Production Co.	4	4	0	0	Feb 13, 1981	Jan 17, 1983
147	Awesome Drilling Company	4	4	0	0	Dec 30, 1982	Feb 16, 1983
148	Can-Tex Energy Corp.	4	4	0	0	Sep 10, 1987	Jun 27, 1988
149	Chaparral Energy, L.L.C.	4	4	0	0	Jan 27, 2004	Sep 8, 2004
150	Dunn Petroleum, Inc.	4	4	0	0	Jan 11, 1985	Mar 7, 1985
151	El Ree Oil Co.	4	4	0	0	Jul 26, 1977	Oct 6, 1978
152	Fort Norman Resources, Inc.	4	4	0	0	Mar 11, 1980	Dec 20, 1982
153	Fortson Oil Company	4	4	0	0	Sep 14, 1992	Jul 30, 1993
154	Hays, Mrs. Earl (Cora)	4	4	0	0	Jul 3, 1981	Feb 22, 1985
155	Jab Oil Co.	4	4	0	0	Jun 1, 1978	Jun 1, 1978
156	Massingill, James	4	4	0	0	Aug 28, 1979	Jul 22, 1980
157	Musselman, Owen & King Oper.,inc	4	4	0	0	Dec 14, 1984	Oct 7, 1991
158	NRM Petroleum Corp.	4	4	0	0	Aug 10, 1977	Oct 4, 1985
159	Phoenix Crude Oil Company	4	4	0	0	Oct 29, 1998	Apr 8, 2004
160	Sparkman Producing Company	4	4	0	0	Oct 29, 1984	Aug 19, 1985
161	Staley Oil Company	4	4	0	0	Jul 22, 1977	Apr 11, 1985
162	Trey Exploration, Inc.	4	4	0	0	Dec 12, 1980	May 11, 1984
163	J V A Operating Company, Inc.	3	3	0	4	Jul 1, 2003	Feb 22, 2006
164	Neff, Mickey Oil Company Inc.	3	3	0	4	Oct 12, 2006	Oct 12, 2006
165	HMH Operators, Inc.	3	3	0	3	Jan 27, 1988	Apr 15, 1992
166	Amoco Production Company	3	3	0	2	Aug 16, 1978	Aug 31, 1981
167	Atapco	3	3	0	2	Jan 8, 1980	May 28, 1980
168	Rico Oil Company	3	3	0	2	Mar 16, 1983	Mar 16, 1983
169	Wainoco Oil & Gas Company	3	3	0	2	Aug 24, 1979	Apr 24, 1985
170	Astin Corp.	3	3	0	1	Jan 8, 1986	Feb 6, 1986
171	Buccaneer Operating LLC	3	3	0	1	Apr 20, 2022	May 5, 2022
172	Hrubetz Oil Company	3	3	0	1	Sep 7, 1984	Dec 13, 1984
173	Idaho Drilling & Development	3	3	0	1	Jul 14, 1977	Jul 14, 1977
174	Russell Exploration& Prod Co Inc	3	3	0	1	Dec 1, 1981	Oct 6, 1983
175	Barbsco	3	3	0	0	Jun 28, 1977	Sep 25, 1979
176	Big Star Oil & Gas, LLC	3	3	0	0	Oct 29, 2010	May 10, 2012
177	C & K Petroleum, Inc.	3	3	0	0	Jun 7, 1979	May 26, 1981
178	Coffee, John R.	3	3	0	0	Jun 15, 1983	Jun 21, 1983
179	Denton Exploration, Inc.	3	3	0	0	Aug 21, 1980	Aug 28, 1980
180	Devon SFS Operating, Inc.	3	3	0	0	May 2, 2001	May 10, 2001
181	Dow Chemical Co., The	3	3	0	0	Jul 12, 1979	Jul 12, 1979
182	Echo Production, Inc.	3	3	0	0	Jul 27, 1983	Apr 16, 1984
183	Foran Oil Company	3	3	0	0	May 8, 1985	Dec 31, 1985
184	Galbraith, George S.	3	3	0	0	May 11, 1987	Nov 15, 1988
185	Gillespie, Charles B. Jr.	3	3	0	0	Mar 16, 1990	Mar 16, 1990
186	Gray, Paul N.	3	3	0	0	Feb 1, 1978	Dec 21, 1979
187	Lovelady, Ike Inc.	3	3	0	0	May 4, 1979	Nov 18, 1980
188	Meg Petroleum Corp.	3	3	0	0	Jun 26, 1980	Jul 29, 1980
189	MGF Oil Corporation	3	3	0	0	Oct 4, 1978	Dec 5, 1978
190	Mogul Petroleum Corp.	3	3	0	0	Sep 18, 1979	Sep 21, 1979
191	Montero Operating, Inc.	3	3	0	0	Jun 14, 1982	Jan 23, 1984
192	Ram Exploration Co.	3	3	0	0	Aug 30, 1977	Dec 15, 1978
193	Sioux Natural Gas Corporation	3	3	0	0	Oct 23, 1978	Dec 20, 1979
194	Tahoe Oil & Cattle Co.	3	3	0	0	Sep 26, 1977	Nov 21, 1978
195	Tejas Production Co	3	3	0	0	Nov 16, 1978	Jun 5, 1979
196	Tomlinson Oil Co., Inc.	3	3	0	0	Jul 22, 1980	Sep 29, 1981
197	Tradition Resources LLC	3	3	0	0	May 11, 2012	Jun 27, 2012
198	Troy Resources Corporation	3	3	0	0	Feb 23, 1983	Mar 29, 1983
199	Validus, Inc.	3	3	0	0	Dec 27, 1985	Dec 27, 1985
200	White, Dickie & Assoc.	3	3	0	0	Feb 2, 1989	Jan 24, 1990
201	WJC, Inc.	3	3	0	0	Sep 27, 1995	Jul 24, 1996
202	W.P.P.I. Inc.	3	3	0	0	Nov 6, 1989	Dec 12, 2012
203	Corona Exploration, Inc.	2	2	0	3	Oct 10, 1985	Oct 10, 1985
204	Beekay Company	2	2	0	2	Dec 28, 1990	Dec 28, 1990
205	Chisholm Exploration	2	2	0	2	Aug 15, 1995	Dec 9, 1997
206	Creslenn Oil Company	2	2	0	2	Oct 7, 1977	Oct 25, 1977
207	Dunigan Operating Co., Inc.	2	2	0	2	Jun 11, 1993	Dec 30, 1993
208	Pathfinder Petroleum Corporation	2	2	0	2	Sep 21, 1983	Sep 21, 1983
209	Sands Operating Company, Inc.	2	2	0	2	Jun 12, 1981	Jun 12, 1981
210	Trio Consulting & Management,llc	2	2	0	2	Dec 9, 2002	Jan 6, 2003
211	Cass Oil Company	2	2	0	1	Jan 12, 1988	May 31, 1988
212	Chambers Operating, Inc.	2	2	0	1	Dec 28, 2001	Dec 28, 2001
213	Cobata Energy, Inc	2	2	0	1	Apr 4, 1983	Apr 8, 1983
214	Goodrich, John S.	2	2	0	1	Oct 16, 1979	Apr 6, 1987
215	Riley Production, Inc.	2	2	0	1	Jul 12, 1995	Jul 12, 1995
216	Thomson-Monteith	2	2	0	1	Jun 10, 1982	Jul 15, 1982
217	Aggietech Oil, Ltd.	2	2	0	0	Oct 31, 2012	Jun 14, 2013
218	Atmos Energy Corp., Mid-Tex Div.	2	2	0	0	Oct 14, 2014	Apr 16, 2024
219	Atmos Pipeline - Texas	2	2	0	0	Apr 16, 2024	Feb 24, 2025
220	Bedias Land & Cattle, L.L.C.	2	2	0	0	Jan 31, 2014	Jan 31, 2014
221	Blackbeard Operating, LLC	2	2	0	0	Apr 18, 2017	Apr 18, 2017
222	Brently Enterprises, Inc.	2	2	0	0	Jul 29, 1985	Aug 20, 1985
223	Byrom, W. K.	2	2	0	0	Aug 22, 1977	Oct 27, 1977
224	Cabana Oil Corp.	2	2	0	0	Jul 27, 1981	Oct 24, 1983
225	Cag Petroleum Corp.	2	2	0	0	Jul 12, 1977	Dec 16, 1977
226	Chambers, R. H. LLC	2	2	0	0	Jun 19, 2006	Jun 19, 2006
227	Cox, Edwin L. & Cox, Berry R.	2	2	0	0	Nov 19, 1985	Mar 31, 1986
228	Dodson, Wayne Consultants, Inc.	2	2	0	0	Feb 19, 1986	Sep 10, 1986
229	Doyle Oil Company	2	2	0	0	Sep 15, 1978	Sep 15, 1978
230	Firewheel Operating, LLC	2	2	2	0	Aug 24, 2012	Aug 24, 2012
231	Gage & Co.	2	2	0	0	Jul 10, 1980	Apr 2, 1981
232	Gco Drilling Company	2	2	0	0	Jun 7, 1985	Aug 12, 1986
233	Gemm Oil Co.	2	2	0	0	May 15, 1979	Oct 16, 1980
234	Geomark Resources, L.L.C.	2	2	0	0	Nov 26, 2002	Dec 11, 2002
235	Grayhawk Operating, Inc.	2	2	0	0	Oct 5, 2005	Aug 31, 2006
236	Index Oil & Gas Co.	2	2	0	0	Mar 11, 1980	Mar 10, 1981
237	Jade Oil & Gas, Inc.	2	2	0	0	Jul 18, 1985	Jan 20, 1986
238	Joiner Company	2	2	0	0	Dec 8, 1981	Sep 10, 1982
239	Lacy & Byrd, Inc.	2	2	0	0	Sep 5, 1980	Feb 10, 1982
240	Laguna Petroleum Co.	2	2	0	0	Jun 4, 1979	Jun 13, 1980
241	Lomak Production Company	2	2	0	0	Jan 18, 1996	Apr 11, 1996
242	Maralo, Inc.	2	2	0	0	Jan 11, 1982	Dec 8, 1983
243	McLachlan Energy	2	2	0	0	Nov 15, 1984	Feb 13, 1985
244	Meyer & Associates, Inc.	2	2	0	0	Nov 29, 1977	Mar 9, 1979
245	Morrison Drlg. & Prod. Co., Inc.	2	2	0	0	Sep 4, 1985	Mar 12, 1987
246	MTN Energy Inc	2	2	0	0	Apr 4, 2013	Apr 30, 2013
247	Murjo Oil & Royalty Company	2	2	0	0	Feb 26, 1980	Sep 19, 1980
248	North American Royalties, Inc.	2	2	0	0	May 18, 1979	Feb 1, 1985
249	Plains Pipeline L.P.	2	2	0	0	Jul 2, 2014	Jan 31, 2019
250	Primary Fuels, Inc.	2	2	0	0	Oct 1, 1985	Feb 19, 1987
251	Supron Energy Corp.	2	2	0	0	Oct 24, 1977	Oct 24, 1977
252	Sydson D'oro Exploration Company	2	2	0	0	Jul 30, 1984	Jul 30, 1984
253	Tri-Star Operations, Inc.	2	2	0	0	Jan 5, 1987	Jan 5, 1987
254	Turner Properties	2	2	0	0	May 22, 1978	Dec 1, 1978
255	Union Texas Pipeline Corporation	2	2	0	0	Aug 17, 1982	May 23, 1983
256	UV Industries, Inc.	2	2	0	0	Jun 21, 1979	Aug 3, 1979
257	Vess Oil Corporation	2	2	0	0	Jun 30, 2009	Jun 30, 2009
258	Wilbanks, Bruce A. Company	2	2	0	0	Sep 26, 1986	Apr 20, 1987
259	Williams Oil Company	2	2	0	0	Jan 27, 1987	May 18, 1987
260	T & M Oil Company	1	1	0	41	Feb 5, 1981	Feb 5, 1981
261	Dragon Operating, LLC	1	1	0	7	Jul 8, 2005	Jul 8, 2005
262	Katsco Energy, Inc.	1	1	0	6	Dec 16, 2021	Dec 16, 2021
263	Thomas Exploration & Devel., Inc	1	1	0	5	May 1, 1996	May 1, 1996
264	Crego Exploration	1	1	0	4	May 24, 1995	May 24, 1995
265	Camelback Energy Corporation	1	1	0	3	Jun 20, 1983	Jun 20, 1983
266	F Y B Investments, Inc.	1	1	0	3	Jul 3, 1991	Jul 3, 1991
267	Armor Petroleum, Inc.	1	1	0	2	Sep 14, 1994	Sep 14, 1994
268	Finley Resources, Inc.	1	1	0	2	Sep 23, 2005	Sep 23, 2005
269	Mardam Exploration, Inc.	1	1	0	2	Dec 31, 1979	Dec 31, 1979
270	McCulloch Oil Corp. of Texas	1	1	0	2	Mar 3, 1980	Mar 3, 1980
271	McDonnold Operating, Inc.	1	1	0	2	Oct 20, 2008	Oct 20, 2008
272	Alpar Energy, LP	1	1	0	1	Sep 22, 2005	Sep 22, 2005
273	Asamera Oil (U.S.) Inc.	1	1	0	1	Oct 21, 1981	Oct 21, 1981
274	Baxter, Kelly H.	1	1	0	1	Apr 13, 1984	Apr 13, 1984
275	Cox Oil & Gas, Inc.	1	1	0	1	Jul 15, 1986	Jul 15, 1986
276	Hexagon Oil and Gas Inc.	1	1	0	1	Oct 6, 1988	Oct 6, 1988
277	International Oil & Gas Corp.	1	1	0	1	Oct 18, 1982	Oct 18, 1982
278	Jem Petroleum Corporation	1	1	0	1	Dec 11, 1981	Dec 11, 1981
279	King Operating Corporation	1	1	0	1	May 7, 2013	May 7, 2013
280	Mitchell Resources, Inc.	1	1	0	1	Feb 12, 1991	Feb 12, 1991
281	Strand Energy, L.C.	1	1	0	1	Sep 10, 2018	Sep 10, 2018
282	Three J's Petroleum, Inc.	1	1	0	1	Jun 1, 2011	Jun 1, 2011
283	Three Span Oil & Gas, Inc.	1	1	1	1	Apr 29, 2014	Apr 29, 2014
284	American Petrofina Pipe Line Co.	1	1	0	0	Sep 14, 1989	Sep 14, 1989
285	Anschutz Corporation, The	1	1	0	0	May 30, 1986	May 30, 1986
286	Antelope Energy Company, LLC	1	1	0	0	Aug 25, 1998	Aug 25, 1998
287	Banam Corp.	1	1	0	0	Dec 3, 1986	Dec 3, 1986
288	Barbee, Bill J.	1	1	0	0	Feb 11, 1982	Feb 11, 1982
289	Baremore Drilling Corp.	1	1	0	0	Jul 7, 1977	Jul 7, 1977
290	BDJ Oil & Gas	1	1	0	0	Sep 25, 1991	Sep 25, 1991
291	Big K Energy Corporation	1	1	1	0	Jan 14, 2011	Jan 14, 2011
292	BLJ & Associates	1	1	0	0	Dec 27, 1983	Dec 27, 1983
293	Blue Ridge Oil & Gas Exp., Inc.	1	1	0	0	Jun 8, 1994	Jun 8, 1994
294	Boyd & McWilliams Energy Group	1	1	0	0	Oct 25, 2008	Oct 25, 2008
295	Brazos Grover Oil	1	1	0	0	Oct 16, 1981	Oct 16, 1981
296	Brazos Petroleum Co.	1	1	0	0	Dec 12, 1978	Dec 12, 1978
297	Breitburn Operating L.P.	1	1	0	0	Jul 27, 2021	Jul 27, 2021
298	Brush Oil & Gas	1	1	0	0	May 17, 1985	May 17, 1985
299	BSS Inv. Inc.	1	1	0	0	Nov 20, 1984	Nov 20, 1984
300	BTA Oil Producers	1	1	0	0	Mar 17, 1993	Mar 17, 1993

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