COUNTIES · COOKE · OPERATORS

Cooke 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	EOG Resources, Inc.	304	304	233	107	Nov 21, 2006	Apr 16, 2026
2	WFW Production Company, Inc.	254	254	0	659	Jun 27, 1991	Jun 16, 2026
3	Biffle, Jimmy Jack	252	252	0	38	Aug 10, 1977	May 26, 2011
4	Felderhoff Production Company	201	201	0	284	May 30, 1978	Oct 28, 2026
5	Arco Oil & Gas Co.	194	194	0	63	Mar 7, 1979	May 10, 1993
6	Kaler, Howard W.	97	97	0	5	Nov 2, 1977	Jan 2, 1986
7	Harper, Wayne	94	94	0	10	Apr 12, 1978	Jun 11, 2001
8	Reed Production, Inc.	90	90	0	63	Jul 8, 2002	Oct 23, 2023
9	Trumter Petroleum Corporation	77	77	0	14	Oct 11, 1977	Jul 29, 1993
10	Atlantic Richfield Co.	67	67	0	14	Aug 3, 1977	Aug 9, 1978
11	Seitz, J. R. & Adam, Ltd.	63	63	0	79	Jun 19, 2000	Jan 23, 2023
12	Grayson Petroleum Company	62	62	0	26	Jun 8, 1977	Jun 3, 2014
13	Rife Energy Operating, Inc.	60	60	1	1	Aug 9, 2004	Nov 14, 2008
14	Fidelity Energy Co.	58	58	0	1	Jun 15, 1982	Aug 29, 2006
15	Ramsey, Sid	53	53	0	1	May 14, 1981	Sep 13, 2000
16	McCormack, Paul H.	51	51	0	0	Sep 6, 1977	Jun 9, 2000
17	McCormack, Lowell Ray	48	48	0	0	Dec 11, 1980	Aug 19, 1994
18	Campbell, T. K.	47	47	0	1	Jan 27, 1978	May 20, 2002
19	BLS Production Co., Inc.	46	46	0	185	Aug 2, 1995	Oct 24, 2023
20	Grewing, Richard E.	46	46	0	0	Aug 15, 1977	Sep 16, 1985
21	Powell & Brown	44	44	0	11	Jun 22, 1977	Nov 30, 1993
22	Joint Resources Company	43	43	0	0	Jun 14, 2006	May 8, 2009
23	Gibbs, Loyd Leasing	42	42	0	17	Jun 22, 1987	Jun 11, 2007
24	Jones, L. E. Production Co.	41	41	0	3	Jul 21, 1978	Sep 10, 1990
25	Cimarex Energy Co. of Colorado	39	39	0	0	Nov 8, 2000	Jun 27, 2012
26	Houtchens, D. D.	37	37	0	87	Dec 5, 1978	Apr 12, 1993
27	Triple G Well Service, Inc.	36	36	0	88	Jan 16, 1991	Jul 28, 2026
28	HWH Production, LLC	36	36	0	72	Dec 9, 2014	Jul 14, 2025
29	Mountain Creek Oil Company, Inc.	35	35	0	209	Sep 23, 1991	Mar 15, 2024
30	Loch & Tracy Engineering Co	35	35	0	6	Jun 7, 1977	Nov 8, 1979
31	Safari Oil Corporation	34	34	0	1	Feb 5, 1981	Nov 13, 1990
32	Gruy Petroleum Management Co.	32	32	0	2	Jun 30, 2000	May 9, 2006
33	Reed Oil Company	32	32	0	2	Apr 28, 1988	Jun 1, 2000
34	Hess & Weems Oil Co	32	32	0	0	Jul 3, 1981	Jun 15, 1983
35	Walterscheid, R. F.	31	31	0	43	Jul 25, 1977	Jul 15, 1993
36	Mountain Creek Oil Co.	31	31	0	0	Jun 3, 1982	Jun 27, 1991
37	V & H Oil, L.P.	29	29	0	714	Dec 28, 2006	Sep 11, 2026
38	Big Country Pipe & Supply, Inc.	29	29	0	9	Oct 3, 2003	Jan 27, 2023
39	Westbrook Oil & Gas Co. Inc.	29	29	0	7	Mar 25, 1982	Nov 14, 1994
40	West Bay Exploration Company	29	29	0	4	Mar 22, 2000	Mar 24, 2017
41	Henscheid, Rufus	29	29	0	0	Apr 19, 1983	Apr 17, 2014
42	August Oil	28	28	0	2	Aug 3, 1983	Sep 14, 1993
43	Vastar Resources, Inc.	28	28	0	2	Jul 29, 1994	Oct 16, 1997
44	Miller, Glenn J.	27	27	0	0	Sep 8, 1986	May 1, 2023
45	Bayer, J. H.	25	25	0	0	Aug 31, 1983	Sep 16, 1992
46	Merit Energy Company	24	24	0	1	May 30, 2013	Mar 2, 2017
47	Seitz, J. R. & Adam	22	22	0	11	Jan 16, 1981	Dec 7, 1995
48	Hacker, Freddie J.	22	22	0	5	Jan 18, 2000	Nov 3, 2008
49	Adobe Oil & Gas Corp.	21	21	0	0	Sep 24, 1981	Nov 5, 1985
50	Hess, Jerry Operating Co.	20	20	0	25	Jun 15, 1982	Jul 1, 2021
51	Bohner Oil Co.	19	19	0	10	Dec 18, 1978	May 26, 1995
52	Galloway Oil Co.	19	19	0	7	Sep 25, 1979	Oct 18, 1984
53	Aruba Petroleum, Inc.	19	19	15	0	Oct 6, 2004	Jan 23, 2015
54	Henry Energy Corporation	18	18	0	0	Mar 14, 1983	Sep 17, 1987
55	Jones, L. E. Operating, Inc.	17	17	0	97	Jun 18, 1997	Oct 26, 2015
56	Walter Exploration Inc.	17	17	0	43	Oct 25, 1979	Jan 13, 1992
57	Clifton Oil	17	17	0	0	Sep 25, 1979	Aug 9, 1991
58	Kiowa Oil & Gas Corporation	16	16	0	0	Oct 16, 1979	Dec 23, 1980
59	Taylor & Smith	15	15	0	14	Dec 9, 1987	Oct 16, 2012
60	Nortex Energy, Inc.	15	15	0	1	Nov 16, 2004	Feb 15, 2013
61	Hacker Brothers	15	15	0	0	Aug 30, 1977	Jul 6, 1984
62	Luke, W. J.	15	15	0	0	Jul 19, 1979	Sep 26, 2005
63	Muenster Drilling Co. Inc.	15	15	0	0	Nov 1, 1982	Sep 27, 2006
64	Oil Creek Energy Inc.	14	14	0	1	Dec 31, 1981	Aug 12, 1985
65	Texaco Inc.	13	13	0	30	Oct 11, 1978	May 2, 1991
66	Brammer Supply, Inc.	13	13	0	10	May 23, 1990	Jun 27, 2001
67	Tracy Engineering Co.	13	13	0	2	Dec 27, 1979	Aug 9, 1984
68	Del Rio Production Co.	13	13	0	0	Aug 6, 2009	Oct 26, 2016
69	Texas Exploration & Prod. Co.	13	13	0	0	Oct 3, 1985	Sep 6, 1994
70	C. W. Production	12	12	0	6	Dec 10, 1979	Jul 26, 1985
71	Chaparral Energy, L.L.C.	12	12	0	1	Jul 7, 2010	Apr 6, 2012
72	Britton Operating, Inc	12	12	0	0	Jan 15, 1980	Jul 30, 1982
73	E-Wave Operating, LLC	12	12	0	0	Oct 25, 2012	May 8, 2015
74	Indian Oil Company, Inc.	12	12	0	0	Sep 15, 1980	May 13, 1983
75	Merritt Operating, Inc.	12	12	0	0	Jul 31, 2002	Apr 30, 2005
76	Luttmer, Ferd C.	11	11	0	1	Nov 8, 1978	Feb 26, 1987
77	Four Kin Oil Co	11	11	0	0	Mar 26, 1997	May 28, 1999
78	Grewing Brothers, Inc.	11	11	0	0	Aug 25, 1977	Jul 3, 1981
79	L & M Oil Co.	10	10	0	8	Oct 31, 1977	Mar 23, 1989
80	Heape, Gene G.	10	10	0	4	Sep 8, 1977	Apr 20, 1982
81	Poteet Operating Co.	10	10	0	3	Nov 23, 1982	Mar 7, 1986
82	Cope Oil Company	10	10	0	2	Mar 30, 1982	Apr 6, 1984
83	Derrick Petroleum Inc.	10	10	0	2	Nov 24, 1982	Jun 18, 1984
84	Bend Petroleum Corp.	10	10	0	1	Jul 15, 2005	Aug 4, 2023
85	Burlington Resources O & G Co LP	10	10	10	1	Nov 15, 2010	Apr 26, 2014
86	Bayer, J.H. & Sons Inc	10	10	0	0	Oct 5, 1994	Jun 20, 2002
87	Phillips Petroleum Company	10	10	0	0	Jul 19, 1978	Dec 30, 1994
88	Burk Royalty Company	9	9	0	219	Jun 6, 1983	Feb 4, 2000
89	Drillway, Inc.	9	9	0	44	May 26, 1982	Dec 20, 1982
90	Taylor, Virgil & Pace Bros.	9	9	0	8	Aug 1, 1977	Mar 18, 1987
91	Kaler Oil Company	9	9	0	3	Dec 31, 1981	Aug 18, 1997
92	Amis, William J.	9	9	0	1	Jun 29, 1978	Dec 31, 1981
93	Allen, C. L. (Doie)	9	9	0	0	Dec 9, 1982	Dec 10, 1990
94	Chevron U. S. A. Inc.	9	9	0	0	Jul 31, 1979	Dec 6, 1983
95	Humphrey, Layton A. Jr.	9	9	0	0	Feb 11, 1981	Dec 27, 1985
96	Kimbell Oil Company of Texas	8	8	0	37	Jan 14, 1991	Jun 28, 1995
97	Atoka Operating, Inc.	8	8	0	4	Nov 10, 2006	May 12, 2022
98	Petroleum High Tech Corporation	8	8	0	3	Aug 21, 1984	Jun 24, 1985
99	Guffey, Roy, Oil Company	8	8	0	1	Aug 23, 1984	Jan 31, 1992
100	Kysar, Raymond Jr.	8	8	0	0	Oct 5, 1977	Sep 17, 1980
101	Snuggs Oil Company	8	8	0	0	Aug 9, 1989	Aug 13, 2001
102	Underwood, Gregory L.	8	8	0	0	Jul 27, 1983	Feb 24, 1986
103	Hermes, A. J.	7	7	0	66	Apr 16, 1979	Nov 14, 1990
104	Oleum Partners, LLC	7	7	6	59	Oct 28, 2024	Oct 20, 2026
105	Hacker Brothers Oil Company, Inc	7	7	0	11	Jul 12, 1985	Jul 29, 1996
106	Hep Oil GP, LLC	7	7	0	1	May 6, 2008	Nov 2, 2011
107	Powell, J.W.	7	7	0	1	Apr 17, 1981	Jul 5, 1991
108	H & S Production, Inc.	7	7	0	0	Jun 9, 1981	Oct 17, 2002
109	Leroy Oil Co.	7	7	0	0	Jan 23, 1978	Dec 3, 1979
110	L & J Oil	7	7	0	0	Dec 31, 1981	Oct 12, 1984
111	Nadel & Gussman	7	7	0	0	Oct 15, 1980	Nov 5, 1991
112	Outline Oil Corp.	7	7	0	0	Jan 9, 1978	Feb 6, 1978
113	Voth, Ray	6	6	0	10	Sep 22, 1981	May 24, 1991
114	Hep Oil Company, Ltd.	6	6	0	7	Jan 17, 2003	Feb 23, 2006
115	Tettleton, Steven B.	6	6	0	6	Aug 21, 2019	Oct 8, 2021
116	Biffle, Steven Gerald	6	6	0	5	Jul 27, 1984	Dec 31, 1992
117	Cholla Petroleum, Inc.	6	6	0	2	Oct 16, 1989	Oct 13, 2000
118	Snuggs, Steven F.	6	6	0	2	Dec 31, 1981	Dec 11, 1985
119	Poole, P. J.	6	6	0	1	Jul 8, 1977	Jun 22, 1984
120	Pruitt, Edd S.	6	6	0	1	Feb 22, 1982	Mar 6, 1984
121	Bennett Resources, Inc.	6	6	0	0	Jan 27, 1984	Feb 29, 1984
122	Canan Mowrey Operating, LLC	6	6	0	0	Sep 10, 2008	Nov 25, 2009
123	Coleshire Oil & Gas Co., Inc.	6	6	0	0	Dec 6, 1978	Dec 7, 1981
124	Cox, Robert G. & Associates,inc.	6	6	0	0	Jun 26, 1978	Apr 10, 1981
125	Davis & Salmon	6	6	0	0	Nov 15, 2005	Jul 5, 2007
126	Ebs Oil & Gas Partners Op.co.,lp	6	6	0	0	Mar 1, 2005	Apr 25, 2006
127	Encana Oil & Gas(usa) Inc.	6	6	4	0	Oct 9, 2003	Sep 19, 2008
128	Fortson Oil Company	6	6	0	0	Dec 1, 1989	Oct 31, 1990
129	Harris, Prentis L.	6	6	0	0	Sep 26, 1977	Sep 3, 1981
130	CR Reed Production, Inc.	5	5	0	57	Sep 22, 2017	Oct 15, 2020
131	Silver Creek Oil & Gas, LLC	5	5	1	51	Aug 6, 2018	Feb 22, 2019
132	Lime Rock Resources IV-a, L.P.	5	5	5	15	May 28, 2019	Jan 6, 2022
133	Felderhoff Bros. Drilling Co.	5	5	0	3	Aug 25, 1977	Feb 13, 1978
134	Sims Oil Company, Inc.	5	5	0	3	Jun 22, 1978	Aug 7, 1984
135	Hamilton Brothers Oil Co.	5	5	0	2	May 20, 1981	Apr 11, 1988
136	Martin, Lee	5	5	0	2	Mar 29, 1978	Mar 29, 1978
137	Knabe, Tom	5	5	0	1	Jun 4, 1985	Aug 25, 2010
138	Enexco, Inc.	5	5	0	0	Jul 20, 2004	Sep 26, 2008
139	Fuhrmann/McElreath Oil Company	5	5	0	0	Oct 18, 1982	May 2, 1983
140	Grant, A. V.	5	5	0	0	Aug 25, 1977	Jan 28, 1983
141	Hicks, Lee	5	5	0	0	Oct 13, 1978	Nov 13, 1981
142	Romco	5	5	0	0	Aug 23, 1993	Nov 29, 2000
143	Volvo Petroleum, Inc	5	5	0	0	Jul 27, 1981	Jun 27, 1984
144	WBH Energy Partners LLC	5	5	3	0	Apr 16, 2012	Oct 25, 2013
145	Brammer Petroleum, Inc.	4	4	0	81	Nov 6, 1981	Jul 16, 1984
146	Fail, W. T. Inc.	4	4	0	8	Mar 12, 1981	Apr 4, 1983
147	Couch Oil Company	4	4	0	7	Oct 13, 1977	Nov 9, 1977
148	Multibrands, Ltd. Co.	4	4	0	6	Dec 10, 1998	Aug 11, 2000
149	EOG (Texas) Inc.	4	4	0	3	Jul 10, 1989	Aug 2, 1991
150	Knight, Reuben B.	4	4	0	1	May 29, 1985	Sep 23, 1987
151	WFW Well Service	4	4	0	1	Mar 15, 1990	Apr 17, 1991
152	Detector Oil Co.	4	4	0	0	Dec 8, 1983	May 31, 1984
153	Dynamic Production, Inc.	4	4	0	0	Jul 20, 1992	Aug 31, 1992
154	FJH Oil Company	4	4	0	0	Apr 20, 2006	Feb 8, 2008
155	Grewing, Henry, Jr.	4	4	0	0	May 9, 1978	Oct 22, 1982
156	Kadane Oil Company	4	4	0	0	Mar 20, 1978	Nov 21, 1988
157	M-B Operating Co., Inc.	4	4	0	0	Oct 12, 2009	Dec 9, 2010
158	Neal Petroleum Corp	4	4	0	0	Jul 15, 1977	Mar 3, 1978
159	Piranha Production, Inc.	4	4	0	0	Aug 3, 1979	Jun 9, 1981
160	Taylor, Pace and Kimbell	4	4	0	0	Mar 21, 1985	Sep 11, 1987
161	Walterscheid, A. D.	4	4	0	0	Nov 10, 1978	Oct 29, 1982
162	Walterscheid, Thomas Conrad	4	4	0	0	Jul 5, 1977	Aug 24, 1992
163	Western Petroleum Resources, Inc	4	4	0	0	Aug 26, 1982	Oct 29, 1982
164	H and H Prod. Co.	3	3	0	50	Nov 10, 2003	Mar 30, 2005
165	Howard Operating Co.	3	3	0	28	Jan 26, 2004	Jun 18, 2008
166	Seiguf Oil Co., Inc.	3	3	0	15	Apr 12, 1982	Nov 20, 2000
167	Luke, Daniel B.	3	3	0	9	Aug 15, 1979	Jul 30, 1981
168	Whittington Energy Co.	3	3	0	8	Nov 21, 2006	May 13, 2008
169	Hess Bros. Drlg. Co.	3	3	0	4	Oct 31, 1977	Oct 15, 1980
170	Texcel Exploration, Inc.	3	3	0	3	Jul 19, 1984	Jan 16, 1985
171	Heape Exploration, Inc.	3	3	0	2	Nov 12, 1991	Dec 21, 2009
172	Geurin Oil & Gas	3	3	0	1	Nov 22, 2005	Mar 16, 2022
173	Hacker Bros. Well Service	3	3	0	1	Oct 4, 1977	Oct 9, 1979
174	Oil Creek Energy	3	3	0	1	Dec 22, 1980	Sep 3, 1981
175	Sand Springs Oil & Gas Co.	3	3	0	1	Sep 29, 1998	Jun 16, 2003
176	Swift Energy Company	3	3	0	1	Apr 22, 1991	Jul 31, 1997
177	Adkins, R. L. Corp.	3	3	0	0	Feb 7, 2005	Jun 24, 2005
178	Bayer, Arthur	3	3	0	0	Aug 15, 1977	Jun 15, 1981
179	Biffle Operating Company	3	3	0	0	Jul 9, 1982	Dec 21, 1982
180	Brazos Drilling Inc	3	3	0	0	Feb 10, 1983	Feb 17, 1983
181	Brownlow, Leroy	3	3	0	0	Aug 11, 1978	Jan 8, 1985
182	Cardinal, Inc.	3	3	0	0	May 23, 1984	May 23, 1984
183	Citrus Energy Corporation	3	3	0	0	May 23, 2007	Jan 15, 2008
184	Cunningham, E. L.	3	3	0	0	Mar 14, 1988	Feb 14, 1992
185	Gordon Oil Company, Inc.	3	3	0	0	Jul 7, 1977	Jan 29, 1980
186	Hesse, Bernard A.	3	3	0	0	Dec 20, 2001	May 28, 2003
187	Klement, Richard	3	3	0	0	Nov 26, 1986	Mar 3, 1987
188	KTS Oil Company, Inc.	3	3	0	0	Nov 25, 1981	Jun 4, 1982
189	Leland Petroleum Production, Inc	3	3	0	0	Dec 30, 1983	Apr 2, 1984
190	McKee, Robert L.	3	3	0	0	Oct 17, 1983	Oct 15, 1984
191	Olsen, Fred. Inc.	3	3	0	0	Aug 30, 1978	Mar 2, 1979
192	Olympic Gas & Oil, Inc.	3	3	0	0	Dec 31, 1981	Dec 31, 1981
193	Peak Flow Operating&drilling LP	3	3	0	0	Nov 29, 2005	Sep 24, 2007
194	Precision Operating Inc.	3	3	0	0	Jul 7, 1987	Jan 20, 2012
195	R & R Pipe Company	3	3	0	0	Aug 11, 1981	Aug 11, 1981
196	Sparks, V. H. Jr.	3	3	0	0	Feb 28, 1984	Mar 16, 1984
197	Sun Eastern Exploration & Drilg.	3	3	0	0	Oct 21, 1985	Dec 12, 1985
198	Texas Oil & Gas Corp.	3	3	0	0	Aug 21, 1980	Jul 16, 1981
199	Trio Consulting & Management,llc	3	3	0	0	Nov 27, 2002	Dec 30, 2002
200	Y.O.W. Inc.	3	3	0	0	Mar 14, 1985	Oct 8, 1985
201	Sydri Operating, LLC	2	2	0	443	Jul 21, 2022	Aug 30, 2022
202	SNR Operating, LLC	2	2	0	123	Apr 14, 2025	Dec 9, 2025
203	Moncrief, W. A., Jr.	2	2	0	51	Apr 23, 1982	Aug 12, 1983
204	Jet-Star Co.	2	2	0	40	Nov 27, 1996	Apr 1, 2002
205	Ford, R. J. Inc.	2	2	0	25	Dec 1, 1981	Nov 10, 1989
206	Hacker Brothers Well Service,inc	2	2	0	24	Apr 28, 1986	Sep 26, 1988
207	J R Co. of Muenster, LLC	2	2	0	13	Mar 30, 2021	Apr 13, 2023
208	Harper & Harris	2	2	0	11	Jun 7, 1978	Jun 7, 1978
209	Muller, C. M.& W. C. Oil Co.	2	2	0	6	Apr 9, 1980	Apr 9, 1980
210	Biffle, David L.	2	2	0	4	Feb 22, 1983	Feb 22, 1983
211	Kalda Company	2	2	0	4	Jan 27, 1986	Apr 22, 1986
212	Snuggs, Fred	2	2	0	3	Sep 29, 1977	Oct 11, 1977
213	H & H Oil Company	2	2	0	2	Feb 17, 1981	Feb 17, 1981
214	Little JO Oil Company Inc	2	2	0	2	Oct 19, 1978	Jun 22, 1983
215	Willowbend Investments, Inc.	2	2	0	2	Apr 13, 2012	Jun 23, 2014
216	Balson Oil Co.	2	2	0	1	Jan 4, 1978	Aug 2, 1979
217	Big Foot Oil Company	2	2	0	1	Dec 30, 1981	Apr 19, 1982
218	Cougar Energy Development, Inc.	2	2	0	1	Apr 29, 1986	Feb 17, 1987
219	Expando Oil Company	2	2	0	1	Dec 5, 1977	Jul 20, 1978
220	Mayco Oil	2	2	0	1	Jun 28, 1982	Jul 1, 1982
221	Oil Capital Operating, LLC	2	2	2	1	Jun 9, 2026	Jul 10, 2026
222	Sun Expl. & Prod. Co.-Abilene	2	2	0	1	Dec 28, 1984	Dec 31, 1984
223	T & T Investments	2	2	0	1	Apr 30, 1984	May 2, 1984
224	Westheimer-Neustadt Corp.	2	2	0	1	Jul 12, 1978	Oct 27, 1978
225	A & V Operating Co., Inc.	2	2	0	0	Sep 13, 1978	Sep 13, 1978
226	Ballanfonte Oil Company, Inc.	2	2	0	0	May 20, 1981	Jun 3, 1982
227	Bear Foot Oil Co.	2	2	0	0	Jun 18, 1985	Dec 10, 1985
228	B & N Petroleum, Inc.	2	2	0	0	Jun 13, 1980	Jan 30, 1981
229	Bravo Natural Resources, Inc.	2	2	0	0	Dec 19, 2000	Feb 2, 2001
230	Charter Industries, Inc.	2	2	0	0	Jun 20, 1977	Jun 20, 1977
231	Cico Oil & Gas Co.	2	2	0	0	Dec 15, 1987	Apr 14, 1988
232	Coastal Oil & Gas Corporation	2	2	0	0	Dec 9, 1980	Jun 29, 1982
233	Crusader Energy Group, LLC	2	2	2	0	Sep 19, 2006	Feb 21, 2007
234	Derrick, Inc.	2	2	0	0	Aug 30, 1978	Apr 12, 1979
235	Dorsey & Dorsey	2	2	0	0	Feb 12, 1981	Feb 18, 1981
236	Endres, Urban J.	2	2	0	0	Oct 10, 1984	Oct 11, 1984
237	Enron Oil & Gas Company	2	2	0	0	Oct 18, 1993	Jan 13, 1998
238	Grewing, Herman	2	2	0	0	Jul 23, 1985	Aug 7, 1987
239	Gruy Mgmt. Service Co.	2	2	0	0	Nov 28, 1978	Dec 4, 1979
240	Gulf Oil Corp.	2	2	0	0	Feb 1, 1980	May 10, 1984
241	Hadley Oil Company, LLC	2	2	0	0	Jun 25, 2014	Jul 7, 2014
242	H and H Oil Company	2	2	0	0	Mar 25, 2002	Nov 18, 2002
243	Haney, Junior	2	2	0	0	Jul 18, 1977	Dec 21, 1978
244	Harvest Petroleum Company	2	2	0	0	Apr 26, 1984	Dec 3, 1985
245	Harvey, Hudspeth & Waggoner	2	2	0	0	Dec 29, 1977	Nov 9, 1978
246	Heape Energy, Inc.	2	2	0	0	Dec 28, 1981	Jun 14, 1989
247	Hood, J. Frank, Jr.	2	2	0	0	Dec 10, 2004	Dec 13, 2004
248	H&P Wildcatters, LLC	2	2	0	0	Jan 12, 2009	Dec 7, 2011
249	Jaco, Troy Inc.	2	2	0	0	Jul 8, 1987	Aug 17, 1988
250	Jar Oil & Gas Co., Inc.	2	2	0	0	Oct 17, 1991	Oct 26, 1993
251	KGB Oil Corp.	2	2	0	0	Jul 23, 1981	Jul 23, 1981
252	Kittrell Power Tong Service, Inc	2	2	0	0	Dec 2, 1982	Jan 28, 1983
253	Kwan-Mor Exploration, Inc.	2	2	0	0	Sep 24, 1985	Sep 24, 1985
254	March, J. A.	2	2	0	0	Oct 25, 1979	Nov 28, 1979
255	Marshall Oil Corporation	2	2	0	0	Feb 19, 1988	Jun 7, 1988
256	McMurrey-Hipke	2	2	0	0	Jul 18, 1984	Sep 18, 1986
257	Muller, C. M.	2	2	0	0	Dec 27, 1977	Nov 26, 1979
258	National Supply Company	2	2	0	0	Feb 4, 1986	May 4, 1987
259	North Texas Llano Operating Corp	2	2	0	0	Jan 17, 2003	Feb 7, 2003
260	O'Neal Operating Company	2	2	0	0	Oct 10, 1979	Nov 28, 1979
261	O'Neal, Patsy A.	2	2	0	0	Jun 9, 1978	Aug 20, 1984
262	Ozark Exploration, Inc.	2	2	0	0	Aug 28, 1985	May 9, 1986
263	Perkins-Prothro Company	2	2	0	0	May 16, 1996	Feb 11, 2000
264	Red River Energy, Inc.	2	2	0	0	Jan 27, 1984	Jul 9, 1985
265	Reed, Oliver David	2	2	0	0	Apr 4, 1978	Apr 17, 1978
266	Rife Oil Properties, Inc.	2	2	0	0	Apr 29, 1994	Aug 12, 2003
267	Rincon Production Co., Inc.	2	2	0	0	Jan 8, 1993	Jan 8, 1993
268	Sandpiper Petroleum Company, The	2	2	0	0	Jul 5, 1978	Jul 19, 1978
269	Sauder Management Company	2	2	0	0	Aug 19, 1983	Aug 19, 1983
270	Shale Tank Truck LP	2	2	0	0	Oct 26, 2004	Sep 30, 2005
271	Spitfire Partners, LLC	2	2	0	0	May 4, 2012	May 7, 2012
272	TCT Operating Co., Inc.	2	2	0	0	Oct 8, 1980	Nov 18, 1980
273	Tejay Production Co.	2	2	0	0	Apr 25, 1980	Aug 9, 1983
274	Texas Ces, Inc.	2	2	0	0	Apr 19, 2013	Dec 12, 2014
275	Turman Oil Company	2	2	0	0	Jan 20, 1983	Mar 8, 1983
276	Ultra Oil & Gas, Inc.	2	2	0	0	Oct 31, 2000	Oct 31, 2000
277	United Texas Petroleum Inc.	2	2	0	0	Mar 5, 2004	Aug 9, 2004
278	Wallace, Roy Sr.	2	2	0	0	Dec 21, 1977	Dec 22, 1977
279	Waves Drilling Co., Inc.	2	2	0	0	Sep 12, 1988	Nov 1, 1988
280	Welltex Energy Corporation	2	2	0	0	May 23, 1983	Jun 28, 1983
281	Wesrich Oil Company	2	2	0	0	Oct 20, 1983	May 24, 1984
282	Wynn-Crosby Operating, Ltd.	2	2	0	0	Nov 17, 2007	Nov 20, 2007
283	Pyramid Enterprises	1	1	0	161	Oct 13, 1995	Oct 13, 1995
284	DSB Energy, LLC	1	1	0	61	Dec 8, 2006	Dec 8, 2006
285	BKM Production	1	1	0	56	Apr 21, 2004	Apr 21, 2004
286	Grewing, Florence T.	1	1	0	52	Apr 16, 1990	Apr 16, 1990
287	K & J Oil & Gas	1	1	0	15	Mar 2, 1983	Mar 2, 1983
288	B & F Energy	1	1	0	11	Apr 5, 1978	Apr 5, 1978
289	American Hydrocarbon Corporation	1	1	0	10	Oct 2, 1985	Oct 2, 1985
290	Rohmer, A. J.	1	1	0	6	Sep 14, 1981	Sep 14, 1981
291	Atoka Energy LLC	1	1	0	4	Jul 6, 2026	Jul 6, 2026
292	Howco Energy, Inc.	1	1	0	3	Mar 21, 1994	Mar 21, 1994
293	Kodiak Oil & Gas, Inc.	1	1	0	3	Mar 24, 2026	Mar 24, 2026
294	Permeator Corporation	1	1	0	3	Sep 29, 1977	Sep 29, 1977
295	Continental Operating Co.	1	1	1	2	Jan 31, 2001	Jan 31, 2001
296	Huber, J. M., Corporation	1	1	0	2	Aug 11, 1983	Aug 11, 1983
297	Staub, Larry, Inc.	1	1	0	2	Jul 18, 1995	Jul 18, 1995
298	Sun Exploration & Production Co.	1	1	0	2	May 5, 1980	May 5, 1980
299	Bentley & Laing	1	1	0	1	Jul 29, 1991	Jul 29, 1991
300	Empire Oil Company	1	1	0	1	Aug 2, 1984	Aug 2, 1984

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