COUNTIES · HOWARD · OPERATORS

Howard 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	Crownquest Operating, LLC	1,042	1,042	483	9	Oct 25, 2001	Jul 19, 2024
2	Surge Operating, LLC	905	905	889	792	Apr 15, 2014	Oct 9, 2026
3	SM Energy Company	633	633	610	462	May 19, 2006	Sep 18, 2026
4	Highpeak Energy Holdings, LLC	586	586	491	575	May 2, 2018	Oct 26, 2026
5	Republic Mineral Corporation	369	369	0	1	Nov 17, 1980	Jun 26, 1985
6	Birch Operations, Inc.	357	357	353	303	Jul 16, 2018	Jun 18, 2024
7	OXY USA Inc.	344	344	323	253	May 18, 1988	May 19, 2026
8	Laredo Petroleum, Inc.	313	313	265	17	Apr 1, 2011	Dec 6, 2022
9	Diamondback E&P LLC	296	296	287	394	Aug 28, 2015	Mar 27, 2026
10	Callon Petroleum Operating Co	295	295	291	5	Sep 2, 2016	Dec 1, 2023
11	Exxon Corp.	276	276	0	14	Oct 3, 1977	Feb 13, 1998
12	Ovintiv USA Inc.	253	253	251	476	Nov 1, 2013	Apr 30, 2026
13	Apache Corporation	253	253	35	468	May 4, 1987	Mar 13, 2026
14	Endeavor Energy Resources L.P.	244	244	73	203	Sep 29, 1999	Aug 16, 2024
15	Conoco Inc.	240	240	0	11	Dec 13, 1979	Jul 6, 2001
16	Cobra Oil & Gas Corporation	228	228	5	18	Nov 12, 1991	Dec 22, 2014
17	Anadarko Petroleum Corp.	219	219	0	20	Apr 11, 1986	Feb 3, 2004
18	Conocophillips Company	215	215	0	901	Jan 7, 2005	Jun 22, 2015
19	Amoco Production Company	214	214	0	8	Jun 27, 1977	Feb 13, 1985
20	Chevron U. S. A. Inc.	208	208	66	63	Jul 25, 1977	Oct 17, 2023
21	Bayswater Operating Company LLC	205	205	196	185	Mar 7, 2018	Jul 29, 2026
22	Encana Oil & Gas(usa) Inc.	204	204	153	8	Aug 13, 2013	Feb 4, 2020
23	Athlon FE Operating LLC	199	199	3	0	Jun 14, 2010	Jan 21, 2014
24	Linn Operating, Inc.	166	166	0	12	Jun 3, 2008	Aug 5, 2015
25	Sabalo Operating, LLC	163	163	157	2	Oct 17, 2016	May 20, 2021
26	Enduro Oil Company Inc.	159	159	0	0	Aug 23, 1983	Dec 20, 1988
27	Hannathon Petroleum, LLC	155	155	44	3	Apr 25, 2012	Apr 25, 2022
28	Mobil Producing TX. & N.M. Inc.	155	155	0	0	Jul 16, 1980	Nov 20, 1990
29	Breitburn Operating L.P.	145	145	38	31	Oct 29, 2010	Sep 13, 2017
30	Three Rivers Operating Co II LLC	143	143	6	0	Sep 20, 2011	Jan 28, 2015
31	Energen Resources Corporation	142	142	41	2	Dec 4, 2006	Dec 14, 2018
32	Oryx Energy Company	132	132	0	7	Jul 10, 1989	May 28, 1998
33	Partee Drilling Inc.	125	125	0	51	Oct 22, 1984	Sep 6, 2024
34	Marathon Oil Company	114	114	1	103	Aug 31, 1978	Mar 13, 2000
35	Athlon Holdings LP	112	112	16	0	Dec 14, 2011	Jan 13, 2015
36	Guthrie, A. K. Operating Co.	108	108	0	28	Jul 20, 1977	Nov 27, 1989
37	Manhattan Petroleum, Inc.	105	105	1	11	Aug 18, 2004	Oct 11, 2019
38	Arco Oil & Gas Co.	105	105	0	3	Nov 2, 1979	Mar 28, 1991
39	Element Petroleum Operating, LLC	104	104	0	3	Feb 26, 2007	Dec 28, 2012
40	Sharp Image Energy, Inc.	91	91	0	26	Jul 14, 1989	Oct 3, 2019
41	Westport Oil and Gas Company Inc	88	88	0	0	Oct 16, 1996	Feb 1, 2002
42	Oxyrock Operating, LLC	85	85	85	618	Sep 29, 2023	Oct 20, 2026
43	Legacy Reserves Operating LP	84	84	73	133	Oct 17, 2011	Nov 20, 2019
44	Big Star Oil & Gas, LLC	84	84	8	3	Dec 13, 2007	Nov 19, 2015
45	Sheridan Production Company, LLC	82	82	0	380	Jul 23, 2009	Mar 20, 2015
46	Santa FE Snyder Corporation	74	74	0	2	Apr 29, 1999	Dec 5, 2000
47	Midland Oil and Gas, Inc.	72	72	0	13	Sep 27, 1995	Sep 2, 2014
48	Trilogy Operating, Inc.	69	69	0	22	Jan 18, 2001	Feb 8, 2019
49	Occidental Permian Ltd.	67	67	37	34	Sep 6, 2012	Jul 5, 2023
50	L.C.S. Production Company	67	67	0	15	Jan 8, 2001	Dec 29, 2009
51	Meritage Energy Company, LLC	64	64	0	0	Jun 25, 2010	Aug 28, 2012
52	Element Petro Operating II, LLC	62	62	54	0	Oct 26, 2012	Oct 6, 2016
53	Rover Petroleum Operating, LLC	59	59	0	7	Nov 9, 2017	Feb 25, 2020
54	Murchison Oil and Gas, LLC	58	58	56	0	Dec 20, 2018	Mar 13, 2023
55	Samedan Oil Corporation	56	56	0	18	Jun 20, 1977	Feb 8, 1996
56	McCann Corporation	55	55	0	14	Apr 14, 1978	Dec 10, 1985
57	Grenadier Energy Partners Ii,llc	53	53	53	1	Mar 17, 2017	Feb 19, 2021
58	Santa FE Energy Resources, Inc.	51	51	0	2	May 31, 1995	Sep 27, 1999
59	Walsh & Watts, Inc.	50	50	0	32	Jun 8, 1977	Jan 23, 2025
60	Dorland, D. L.	50	50	0	3	Aug 10, 1977	Apr 10, 1989
61	Peregrine Petr. of Houston, Inc.	47	47	0	0	Oct 30, 1984	Oct 16, 1985
62	Continental Oil Company	46	46	0	6	Jul 20, 1977	Jun 1, 1979
63	Saga Pet. Ltd Liability Co of Co	46	46	0	3	Feb 21, 1996	Feb 20, 2001
64	Ray, D. L. Inc.	44	44	0	1	Dec 31, 1987	Oct 14, 1989
65	Sayers Operating Company	43	43	0	2	Aug 30, 1977	Nov 21, 1983
66	Clear Water Inc.	40	40	0	14	Nov 1, 2005	Feb 24, 2017
67	Finley Resources, Inc.	40	40	0	11	Apr 5, 2001	Nov 18, 2015
68	Costilla Petroleum Corporation	40	40	0	1	Apr 26, 1994	Dec 23, 1996
69	First Reserve Oil & Gas Co	40	40	0	0	Mar 19, 1997	Aug 15, 1997
70	Vital Energy, Inc.	39	39	39	3	Dec 5, 2022	Oct 7, 2024
71	Parsley Energy Operations, LLC	38	38	32	3	Jan 31, 2013	Feb 14, 2020
72	Vista Resources, Inc. (A)	37	37	0	3	Jul 22, 1996	Feb 14, 2000
73	Prize Operating Company	35	35	0	1	Nov 20, 1998	Jul 2, 2001
74	Sinclair Oil & Gas Company	35	35	35	0	Jan 24, 2019	May 6, 2022
75	Baytech, Inc.	34	34	0	6	Nov 10, 1983	Aug 22, 2001
76	Forest Oil Corporation	34	34	0	1	Feb 4, 2004	Jun 16, 2008
77	Union Oil Company of California	34	34	0	1	Nov 19, 1984	Sep 17, 1998
78	Whiting Oil and Gas Corporation	33	33	0	10	Jan 16, 2004	May 20, 2008
79	Sun Expl. & Prod. Co.-Midland	33	33	0	2	Oct 4, 1979	Jun 16, 1988
80	Southwest Royalties, Inc.	32	32	0	32	Dec 10, 1990	Jan 23, 2008
81	Energas Company	32	32	0	0	Jun 28, 1989	Jun 26, 2002
82	Harmonia Petroleum Corporation	31	31	0	0	Feb 7, 2014	Feb 11, 2016
83	Trey Exploration, Inc.	30	30	0	28	Nov 4, 1977	Feb 2, 1984
84	Merit Energy Company	29	29	0	66	May 23, 2005	Oct 8, 2014
85	Thompson, J. Cleo	29	29	1	4	Sep 24, 1992	Jun 5, 2012
86	Smith Producing Company	28	28	0	2	Mar 23, 1983	Aug 15, 1984
87	JPM Eoc Operating, Inc.	28	28	20	0	Feb 27, 2015	Dec 1, 2016
88	Coastal Oil & Gas Corporation	27	27	0	1	Feb 18, 1981	Jun 10, 1988
89	Southland Royalty Company	27	27	0	1	Aug 10, 1979	Apr 29, 1992
90	Devon SFS Operating, Inc.	26	26	0	0	Nov 27, 2000	Jul 20, 2001
91	Young, Marshall R., Oil Company	26	26	0	0	Jul 16, 1979	Apr 5, 1994
92	Parallel Petroleum Corporation	25	25	2	5	Sep 9, 1983	Jun 14, 2006
93	North American Royalties, Inc.	25	25	0	3	Aug 10, 1977	Oct 20, 1986
94	Bettis, Boyle & Stovall	24	24	0	25	Mar 25, 1982	Jun 10, 2003
95	Miltex Oil Company	23	23	0	6	Jan 24, 1997	Jun 23, 2000
96	Rosewood Resources, Inc.	23	23	0	5	Mar 1, 1985	May 23, 1989
97	Maralo, Inc.	23	23	0	2	Jul 28, 1978	Nov 19, 1998
98	Nadel and Gussman Permian,l.l.c.	23	23	2	1	Jun 28, 2010	Sep 5, 2014
99	Chaparral Energy, L.L.C.	23	23	0	0	Jan 27, 2004	Feb 24, 2010
100	V-F Petroleum Inc.	22	22	0	7	Nov 17, 1978	Jan 22, 1991
101	Blanks Energy Corporation	22	22	0	4	Mar 12, 1980	Jul 7, 1983
102	Cinnabar Operating, LLC	22	22	1	1	Aug 27, 2014	Oct 8, 2018
103	DE IV Operating, LLC	22	22	22	0	Jul 1, 2022	Feb 20, 2025
104	Mariner Energy, Inc.	22	22	0	0	Nov 7, 2008	Aug 27, 2010
105	Lakewood Operating, Ltd.	21	21	0	4	Aug 11, 1992	Jul 15, 2009
106	Phillips Petroleum Company	21	21	0	3	Jun 27, 1977	Apr 2, 1990
107	Dorland, D. L. Inc.	21	21	0	0	Jun 15, 1981	Feb 21, 1989
108	Langford & Brigham Operating LLC	20	20	20	44	Feb 3, 2025	Mar 19, 2026
109	Gulf Oil Corp.	19	19	0	11	Sep 5, 1980	Jul 20, 1984
110	Henry Petroleum LP	19	19	0	0	Aug 17, 2006	Oct 14, 2008
111	Rodgers, William L.	19	19	0	0	Apr 20, 1978	May 23, 1990
112	Texaco Inc.	18	18	0	22	Jun 13, 1979	Mar 2, 1990
113	Campana Petroleum Co.	18	18	0	15	Feb 22, 1978	Dec 31, 1987
114	Amerada Hess Corporation	17	17	0	7	Dec 28, 1979	Feb 2, 1993
115	Duncan Drilling Co.	17	17	0	4	Apr 5, 1978	Sep 30, 1999
116	Lakewood & Fulton	17	17	0	0	Aug 21, 1987	Feb 16, 1990
117	Windsor Permian LLC	17	17	0	0	Jun 2, 2010	Jun 8, 2010
118	Wood, McShane & Thams	17	17	0	0	Nov 1, 1979	Dec 31, 1987
119	Atropos Production Corporation	16	16	0	4	May 30, 2000	Apr 5, 2001
120	Melton, Joe, Drlg. Co., Inc.	16	16	0	3	Dec 8, 1977	Dec 9, 1983
121	Lackey, William H. Oil and Gas	16	16	0	2	Oct 26, 1998	Jul 24, 2012
122	Bond Operating Company	16	16	0	0	Sep 27, 1978	Oct 1, 1986
123	Mark-M	16	16	0	0	Dec 17, 1981	May 10, 1983
124	Citation Oil & Gas Corp.	15	15	0	228	Mar 23, 1990	Nov 7, 2018
125	Atlantic Richfield Co.	15	15	0	0	Jun 20, 1977	Apr 16, 1979
126	Ped Oil Corporation	15	15	0	0	Dec 31, 1980	Aug 6, 1982
127	BTA Oil Producers	14	14	0	10	Oct 31, 1985	Sep 21, 2004
128	Paladin Petroleum III, L.L.C.	14	14	7	9	Sep 3, 2014	Oct 26, 2023
129	Energy Transfer Company	14	14	0	6	Dec 29, 2011	Jul 28, 2026
130	Deminex U. S. Oil Co.	14	14	0	0	Oct 6, 1987	Mar 20, 1991
131	Tall City Operations LLC	14	14	11	0	Jul 30, 2013	Dec 22, 2014
132	Tanos Production, Inc.	13	13	0	65	Oct 14, 1987	Nov 8, 1988
133	Costilla Energy, Inc.	13	13	1	8	Jan 15, 1997	Mar 9, 1998
134	MWJ Producing Company	13	13	0	3	Oct 29, 1981	Aug 31, 1990
135	DE Operating LLC	13	13	6	0	Dec 22, 2016	Apr 26, 2017
136	Haimo Oil & Gas LLC	13	13	0	0	Nov 13, 2014	Aug 1, 2018
137	ON Point Oilfield Operations LLC	13	13	0	0	Apr 17, 2017	Nov 22, 2021
138	Federal Oil, Inc.	12	12	0	11	May 25, 1995	Jul 22, 1997
139	Meridian Oil Inc.	12	12	0	3	May 20, 1986	Apr 24, 1990
140	Sun Exploration & Production Co.	12	12	0	2	Jun 20, 1977	Mar 31, 1989
141	Wiser Oil Company, The	12	12	0	1	Dec 20, 1982	Mar 31, 1995
142	Chesapeake Operating, Inc.	12	12	0	0	Jan 4, 2005	Jul 31, 2006
143	Cole, John Otis	12	12	0	0	Jun 15, 1981	Feb 23, 1984
144	Forest Oil Permian Corporation	12	12	0	0	Dec 9, 2004	Jan 4, 2005
145	Pioneer Natural Res. USA, Inc.	11	11	0	53	Jan 29, 2008	Oct 2, 2015
146	Wes-Tex Drlg. Co.	11	11	0	6	Jun 29, 1977	Oct 24, 1984
147	TXO Production Corp.	11	11	0	1	Sep 2, 1982	Oct 3, 1988
148	American Exploration Company	11	11	0	0	Sep 18, 1985	Oct 4, 1990
149	Cities Service Oil & Gas Corp.	11	11	0	0	Aug 1, 1983	Oct 9, 1985
150	Dyson, J.A. & Sons Production Co	11	11	0	0	Sep 8, 1982	Mar 17, 1983
151	EP Operating Company	11	11	0	0	Aug 12, 1986	May 23, 1990
152	Forsan Oil Company	11	11	0	0	Jan 17, 1980	Mar 30, 2000
153	Hadaway Consult and Engineer,llc	11	11	0	0	Nov 30, 2012	Sep 6, 2017
154	Harper & Lawless	11	11	0	0	Nov 23, 1977	Jul 7, 1982
155	Houston Pipe Line Company LP	11	11	0	0	Apr 8, 2014	May 7, 2019
156	Texas American Oil Corp.	11	11	0	0	Jun 16, 1982	Mar 23, 1984
157	Hat Oil & Gas, Inc.	10	10	0	4	Aug 3, 1994	Feb 10, 1997
158	WTG Exploration	10	10	0	1	May 12, 2004	Jul 7, 2010
159	Blair Exploration, Inc.	10	10	0	0	Oct 24, 1990	Jun 14, 2002
160	Encore Operating, L.P.	10	10	0	0	Jun 18, 2008	Aug 7, 2008
161	IP Petroleum Company, Inc.	10	10	0	0	Jan 6, 1992	Jul 14, 1993
162	Qstar Operating LLC	10	10	10	0	Jul 19, 2016	Oct 11, 2016
163	Rasmussen, Hal J. Operating, Inc	10	10	0	0	Jan 4, 1996	Oct 27, 2000
164	Chapman Exploration, Inc.	9	9	0	2	Aug 29, 1985	Feb 27, 1989
165	Blair, Jack N.	9	9	0	1	Jun 16, 1988	Jun 14, 2002
166	Patriot Resources, Inc.	9	9	0	1	Jul 22, 2003	May 28, 2010
167	Davis Oil Company	9	9	0	0	Jul 20, 1977	Dec 3, 1985
168	Fina Pipe Line Co.	9	9	0	0	Oct 24, 1994	Mar 21, 1996
169	Lyco Energy Corporation	9	9	0	0	Nov 10, 1995	Oct 8, 1999
170	Ogx Resources LLC	9	9	0	0	Sep 20, 2006	Dec 7, 2006
171	Raines, Glenn H. Jr.	9	9	0	0	Apr 5, 1982	Apr 4, 1984
172	Ray, G. F. Jr.	9	9	0	0	Sep 6, 1978	Feb 2, 1981
173	Taurus Operating, Inc.	9	9	0	0	Nov 3, 1992	Aug 16, 1993
174	Sogc, LLC	8	8	8	23	Jan 30, 2025	Mar 28, 2025
175	Spirit O&G Operating, LLC	8	8	8	21	Oct 17, 2022	Dec 8, 2023
176	Discovery Operating, Inc.	8	8	0	4	Mar 16, 1981	Dec 1, 2011
177	Unit Petroleum Company	8	8	0	4	Aug 7, 2006	Apr 16, 2008
178	Hendrix, John H. Corp.	8	8	0	2	Apr 13, 1979	Apr 14, 1987
179	Hunt Oil Company	8	8	0	2	Oct 26, 1982	Apr 20, 1989
180	Cola Petroleum, Inc.	8	8	0	1	Jun 15, 1978	Oct 15, 1981
181	Estoril Producing Corporation	8	8	0	1	Sep 15, 1978	Aug 22, 1983
182	Getty Oil Co.	8	8	0	1	Jul 10, 1978	Nov 21, 1983
183	Chalk, Otis, Estate	8	8	0	0	Oct 28, 1981	Mar 10, 1983
184	Cities Service Company	8	8	0	0	May 16, 1978	Oct 18, 1982
185	Flag-Redfern Oil Company	8	8	0	0	Oct 25, 1979	May 28, 1981
186	Fraser Industries, Inc.	8	8	0	0	May 5, 1981	Sep 28, 1982
187	Petroleum Corporation of Texas	8	8	0	0	Oct 18, 1977	Jul 23, 1979
188	Quantum Resources Management,llc	7	7	0	114	Mar 15, 2013	Jun 20, 2014
189	Shenandoah Petroleum Corporation	7	7	0	16	Dec 6, 2010	Oct 15, 2014
190	Robertson Resources, Inc.	7	7	0	7	Sep 22, 1997	Sep 24, 1999
191	Fasken, Barbara	7	7	0	6	Mar 31, 1987	Sep 22, 1994
192	Shenandoah Oil Corp.	7	7	0	2	Jan 3, 1978	May 30, 1978
193	Florida Exploration Co.	7	7	0	1	Oct 24, 1979	Mar 8, 1984
194	H2O Midstream Permian LLC	7	7	0	1	Dec 22, 2017	Jun 15, 2023
195	Pulte & Printz, Inc.	7	7	0	1	Aug 7, 1979	Sep 4, 1985
196	Ruwco Oil and Gas Corp.	7	7	0	1	Sep 19, 1997	Sep 22, 2004
197	Beach Exploration, Inc.	7	7	0	0	Jul 27, 1983	Mar 7, 1985
198	Holly Energy Partners-OP, L.P.	7	7	0	0	Jun 18, 2010	Jun 1, 2023
199	Kerr-McGee Oil & Gas Onshore LLC	7	7	0	0	Aug 13, 1999	Apr 28, 2000
200	Sabinal Energy Operating, LLC	7	7	0	0	Mar 1, 2021	Jun 29, 2022
201	Union Texas Petroleum Corp.	7	7	0	0	Aug 17, 1984	Jan 10, 1989
202	Americo Energy Resources, LLC	6	6	0	51	Jun 24, 2003	Oct 20, 2016
203	American Petrofina Co. of Tex.	6	6	0	10	Jul 26, 1977	Sep 18, 1984
204	Permian Resources, Inc.	6	6	0	4	May 20, 1985	Feb 5, 2004
205	Bonray Energy Corp.	6	6	0	3	Jun 26, 1981	Mar 29, 1983
206	Cox, John L.	6	6	0	1	Jul 15, 1983	Jul 29, 1991
207	P & K Woods, LLC	6	6	0	1	May 11, 2017	Jan 7, 2026
208	Diamond Chemicals Company	6	6	0	0	Sep 29, 1977	Feb 11, 1982
209	Elkhorn Oil & Gas, LLC	6	6	0	0	Jul 15, 1994	Feb 22, 1995
210	Enserch Exploration, Inc	6	6	0	0	Jun 21, 1977	Mar 25, 1985
211	Kerr-McGee Corporation	6	6	0	0	Aug 11, 1999	Aug 23, 1999
212	Ogx Operating, LLC	6	6	1	0	Sep 6, 2018	Oct 21, 2019
213	Westport Oil and Gas Company, LP	6	6	0	0	Apr 23, 2001	Sep 15, 2005
214	Miranda Energy Corporation	5	5	0	9	Nov 13, 2002	Nov 5, 2012
215	Excel Energy Co.	5	5	0	8	Aug 28, 2002	Oct 24, 2005
216	Lario Oil & Gas Company	5	5	0	7	Feb 10, 1978	Nov 12, 1981
217	Hog Operating LLC	5	5	5	5	Apr 18, 2023	May 22, 2023
218	Maguire Oil Company	5	5	0	3	Nov 13, 1979	Dec 14, 1994
219	Desert Production, Inc.	5	5	0	2	Feb 9, 2010	Dec 18, 2013
220	Dinero Operating Company	5	5	0	2	Feb 23, 1984	Jul 9, 1996
221	Lovelady, Ike Inc.	5	5	0	2	Aug 13, 1979	Dec 31, 1980
222	Patrick Exploration Company	5	5	0	2	Jan 23, 1997	Feb 9, 1998
223	Rankin Oil Co.	5	5	0	2	Oct 14, 1980	Dec 9, 1983
224	Roark & Hooker	5	5	0	2	Sep 26, 1977	May 12, 1982
225	Basic Energy Services, L.P.	5	5	0	1	Jul 27, 2007	Jan 2, 2019
226	Brigham Oil & Gas, L.P.	5	5	0	1	Aug 21, 1997	May 5, 2003
227	Collins & Ware, Inc.	5	5	0	1	Aug 10, 1993	Oct 21, 1997
228	Fina Oil & Chemical Company	5	5	0	1	Aug 8, 1985	Nov 24, 1992
229	Montero Operating, Inc.	5	5	0	1	Dec 13, 1985	Jun 15, 1987
230	Mulloy Operating, Inc.	5	5	0	1	Dec 30, 2002	Jul 12, 2005
231	Barrett Brothers Oil & Gas, Inc.	5	5	0	0	Jun 24, 2004	May 29, 2009
232	Bedford Oil & Gas, Inc.	5	5	0	0	Aug 26, 1991	Dec 30, 1991
233	Britton Management Corp.	5	5	0	0	Aug 23, 1978	Apr 4, 1983
234	Brock, G.W., Inc.	5	5	0	0	Dec 10, 1981	Mar 30, 1983
235	Cadence Energy Partners, LLC	5	5	0	0	May 19, 2008	Jul 25, 2008
236	Dresdner Petroleum, Inc.	5	5	0	0	Jun 1, 1990	Jun 29, 1990
237	Garrett, Dorothy D.	5	5	0	0	Sep 11, 1980	Sep 19, 1983
238	Hrubetz Oil Company	5	5	0	0	Jan 21, 1985	Feb 26, 1985
239	Magellan Pipeline Company, L.P.	5	5	0	0	Mar 4, 2013	Sep 27, 2021
240	Mak-J Energy Partners(tx),ltd.	5	5	0	0	Apr 16, 2010	Aug 26, 2011
241	Marshall & Winston, Inc.	5	5	0	0	Nov 19, 1990	Oct 27, 2003
242	McFadden Oil Corporation	5	5	0	0	Jun 14, 1982	Feb 16, 1983
243	Milestone Petroleum Inc.	5	5	0	0	Apr 15, 1983	Dec 19, 1985
244	Mobil Oil Corporation	5	5	0	0	Jan 16, 1978	Aug 3, 1979
245	Mobil Pipe Line Co.	5	5	0	0	Jun 24, 1992	May 3, 1996
246	Permian Brine Sales, Inc.	5	5	0	0	Dec 7, 1981	Apr 9, 1997
247	Southwest Energy Develop. Corp.	5	5	0	0	Feb 7, 1985	May 24, 1985
248	Thomason, Windell A. Inc.	5	5	0	0	Feb 29, 1984	Jan 21, 1985
249	Tiburon Petroleum Corporation	5	5	0	0	May 21, 1985	May 29, 1985
250	Tucker & Baumgardner	5	5	0	0	Jul 24, 1979	Nov 12, 1981
251	Turner Petroleum Company	5	5	0	0	Sep 29, 1980	Feb 18, 1981
252	Wiseman, B.w.jr. & Poage, E. Don	5	5	0	0	Dec 11, 1984	Oct 7, 1987
253	Boyd & McWilliams Energy Group	4	4	0	8	Nov 12, 2002	Dec 6, 2004
254	Cambrian Management, Ltd.	4	4	0	5	Dec 13, 2006	Oct 31, 2011
255	J.A.W.	4	4	0	4	Feb 2, 1982	Feb 18, 1982
256	Baxter, Murphy H.	4	4	0	2	Apr 24, 1979	Oct 1, 1980
257	Bruno, Earl R.	4	4	0	2	Aug 10, 1979	Dec 13, 1985
258	Kaiser-Francis Oil Company	4	4	0	2	Jan 27, 1983	Apr 10, 1985
259	McComb Associates	4	4	0	2	Jun 5, 1980	Oct 27, 1982
260	Abraxas Petroleum Corporation	4	4	0	1	Oct 12, 1989	Jun 17, 2005
261	L.B.L. Oil Corporation	4	4	0	1	Jul 10, 1981	Nov 1, 1982
262	Lobo Oil Corporation	4	4	0	1	Oct 29, 1984	Oct 7, 1985
263	MWS Producing, Inc.	4	4	0	1	Sep 20, 2000	Dec 1, 2003
264	Patterson Petroleum, Inc.	4	4	0	1	Sep 21, 1992	May 24, 1995
265	R K Petroleum Corporation	4	4	0	1	Feb 8, 1980	Oct 3, 1989
266	Terra Resources, Inc.	4	4	0	1	Aug 7, 1979	Oct 26, 1988
267	Turner Properties	4	4	0	1	Apr 3, 1980	Oct 1, 1981
268	Wichita Water LLC	4	4	0	1	Jul 10, 2008	Apr 6, 2018
269	Blanks, W. C.	4	4	0	0	Jan 11, 1979	Jul 10, 1979
270	Breck Operating Corp.	4	4	0	0	Feb 3, 2012	Sep 4, 2012
271	Cashion, Lyle, Company	4	4	0	0	Sep 13, 1977	Aug 8, 1985
272	Dreher, George R.	4	4	4	0	Jul 25, 2000	Aug 10, 2000
273	Enervest Operating, L.L.C.	4	4	0	0	Oct 21, 2004	May 20, 2005
274	Enserch Oil Company	4	4	0	0	Jan 21, 1982	Apr 1, 1985
275	Enterprise Products Operatingllc	4	4	0	0	Jul 14, 2010	Oct 30, 2026
276	Equitable Petroleum Corp.	4	4	0	0	Jul 29, 1981	May 10, 1982
277	Haber Oil Company, Inc.	4	4	0	0	Nov 5, 1982	Jan 17, 1985
278	Harding Well Service Co.	4	4	0	0	Dec 12, 1986	May 16, 1995
279	Henderson & Erickson, Inc.	4	4	0	0	Oct 26, 2013	Dec 22, 2016
280	La. C & VC, Inc.	4	4	0	0	Sep 9, 1980	Feb 23, 1981
281	Mallard Exploration, Inc.	4	4	0	0	Oct 26, 1977	Aug 6, 1979
282	McShane, J. Inc.	4	4	0	0	Jan 21, 1992	Dec 7, 1994
283	Nes Permian Basin, L.P.	4	4	0	0	Aug 22, 2000	Nov 3, 2006
284	NGL Water Solutions Permian, LLC	4	4	0	0	May 24, 2017	Jan 2, 2024
285	Petroleum Equities Corp.	4	4	0	0	Mar 18, 1985	May 2, 1985
286	P-R-O Management, Inc.	4	4	0	0	Oct 4, 1979	Apr 11, 1980
287	Rosewood Resources (Poc),inc.	4	4	0	0	Dec 6, 1983	Dec 28, 1984
288	Sogc, Inc.	4	4	4	0	Dec 1, 2021	Dec 2, 2021
289	Solaris Water Midstream, LLC	4	4	0	0	Oct 24, 2017	Jan 3, 2025
290	Subsurface Energy Corp.	4	4	0	0	Jul 26, 1979	Feb 5, 1981
291	Tri Texas, Inc.	4	4	0	0	Feb 14, 1986	Apr 16, 1986
292	Union Pacific Resources Company	4	4	0	0	Jan 10, 1995	Jun 14, 1995
293	Warren, John F.	4	4	0	0	Nov 10, 1977	Aug 22, 1980
294	Foundation Energy Management LLC	3	3	0	68	Oct 22, 2018	Oct 22, 2018
295	Vanguard Production Company	3	3	0	9	Nov 16, 1982	Nov 13, 1985
296	Seely Oil Company	3	3	0	6	Nov 19, 1979	Dec 13, 2006
297	Stephens, Autry C.	3	3	0	5	Jul 17, 1997	Sep 29, 1999
298	Scout Energy Management LLC	3	3	0	3	Sep 7, 2021	Apr 25, 2025
299	Tall City Brine LLC	3	3	0	3	Jun 15, 2016	Nov 30, 2023
300	Calley, Bob	3	3	0	2	Aug 14, 1986	Aug 24, 1987

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