COUNTIES · CRANE · OPERATORS

Crane 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	Blackbeard Operating, LLC	1,539	1,539	388	3,488	Sep 25, 2009	Nov 5, 2026
2	Gulf Oil Corp.	898	898	0	49	Jun 7, 1977	Jun 25, 1985
3	Chevron U. S. A. Inc.	718	718	21	62	Mar 12, 1981	Mar 12, 2015
4	Burlington Res O & G Co-Midland	691	691	18	36	Oct 3, 1996	Jan 30, 2020
5	Devon Energy Production Co, L.P.	469	469	141	115	Apr 4, 2000	Apr 28, 2017
6	Exxon Corp.	458	458	2	24	Jun 10, 1977	Mar 20, 2000
7	Apache Corporation	443	443	82	5	Mar 11, 1996	Apr 24, 2020
8	Arco Oil & Gas Co.	229	229	1	9	Apr 27, 1979	Jun 17, 1993
9	Stronghold Energy II Oper, LLC	178	178	0	7	May 7, 2019	Jun 23, 2022
10	Ring Energy, Inc.	172	172	27	1,057	Feb 25, 2021	Sep 18, 2026
11	Mobil Producing TX. & N.M. Inc.	146	146	2	7	Mar 11, 1980	Jul 3, 1995
12	Southland Royalty Co.-Midland	145	145	0	7	Feb 4, 1992	Feb 27, 1996
13	Henry Resources LLC	119	119	1	2	Aug 5, 2011	Apr 5, 2019
14	Getty Oil Co.	105	105	0	3	Oct 14, 1977	Jun 13, 1984
15	Burnett Oil Co., Inc.	96	96	2	3	Jul 29, 1981	Jun 5, 2019
16	Slant Operating, LLC	84	84	6	4	Sep 30, 2021	Oct 15, 2025
17	Citation Oil & Gas Corp.	78	78	0	259	Aug 24, 1987	Aug 8, 2017
18	Pennzoil Exploration & Prod. Co.	74	74	0	1	Jun 20, 1995	Jan 8, 1999
19	XTO Energy Inc.	66	66	17	0	May 24, 2006	Nov 21, 2019
20	OXY USA Inc.	65	65	0	7	Feb 3, 2012	Dec 4, 2024
21	Williams Oil Company	62	62	0	76	Sep 16, 1992	May 29, 2025
22	Encore Operating, L.P.	56	56	0	3	Apr 20, 2004	Jun 9, 2009
23	Atlantic Richfield Co.	54	54	0	3	Jun 13, 1977	Mar 13, 1979
24	Lario Oil & Gas Company	53	53	0	22	Jan 6, 1978	Oct 2, 2014
25	Arco Permian	50	50	0	1	Nov 10, 1994	Jan 10, 2001
26	Costa Resources, Inc.	46	46	0	1	Oct 2, 1980	Mar 3, 1993
27	BP America Production Company	44	44	0	1	Apr 30, 2003	Jun 9, 2010
28	Texaco Inc.	41	41	0	32	Feb 1, 1978	Oct 17, 1989
29	BTA Oil Producers, LLC	39	39	39	14	Jan 11, 2024	Aug 21, 2026
30	Alps Oil Company	39	39	0	3	Jan 22, 1980	Dec 5, 1996
31	Pennzoil Petroleum Company	37	37	0	0	Jul 13, 1993	Feb 23, 1995
32	Nearburg Producing Company	35	35	1	2	Mar 16, 1988	May 18, 2017
33	Texaco Producing Inc.	34	34	0	0	Sep 27, 1985	Mar 7, 1990
34	Mewbourne Oil Company	33	33	22	5	Jun 2, 1980	Jun 8, 2026
35	Southland Royalty Company	30	30	0	4	Jun 6, 1978	Aug 7, 1995
36	Sandridge Expl. and Prod., LLC	28	28	3	0	Jul 1, 2010	Oct 11, 2011
37	Samedan Oil Corporation	27	27	0	0	Sep 29, 1977	May 22, 1995
38	Parker & Parsley Development L.P	26	26	0	0	Feb 9, 1995	Aug 29, 1997
39	Western Reserves Oil Company Inc	26	26	0	0	Mar 10, 2000	Jul 28, 2005
40	Sabine Production Company	24	24	0	4	Jun 17, 1977	Sep 28, 1983
41	Pennzenergy Exp. & Prod., L.L.C.	24	24	0	3	Dec 21, 1998	Apr 4, 2000
42	Bass Enterprises Production Co.	24	24	0	2	Mar 6, 1979	Jul 18, 2001
43	Costilla Petroleum Corporation	24	24	0	0	Aug 6, 1991	Nov 25, 1996
44	Costilla Energy, Inc.	23	23	0	0	Feb 7, 1997	Aug 3, 1998
45	Texaco E & P Inc.	21	21	0	4	Mar 18, 1992	Feb 28, 2002
46	TXO Production Corp.	21	21	0	4	Oct 29, 1981	Feb 18, 1986
47	Gen. Amer. Oil Co. of Texas	20	20	0	0	May 17, 1978	Dec 9, 1982
48	Petroleum Technical Services Co.	20	20	0	0	Nov 30, 1979	Jun 16, 2000
49	Sun Expl. & Prod. Co.-Midland	19	19	0	2	Aug 8, 1977	Sep 10, 1987
50	Kerr-McGee Corporation	19	19	0	0	Jul 13, 1990	Oct 7, 1992
51	Mobil Oil Corporation	18	18	0	11	Sep 21, 1977	Oct 4, 1978
52	PPC Operating Company LLC	18	18	2	1	Jan 25, 2012	Aug 21, 2014
53	HRH Energy Co.	17	17	0	0	Oct 16, 1981	Apr 8, 1982
54	Formentera Operations LLC	16	16	5	1,079	Jun 7, 2022	Jun 13, 2025
55	Boaz Energy II Operating, LLC	16	16	0	1	Aug 9, 2017	Jul 26, 2024
56	Atlas Operating LLC	15	15	0	80	Jun 28, 2017	Oct 25, 2023
57	Chisos Operating, Inc.	15	15	0	17	Apr 6, 1982	Sep 8, 1992
58	Petro-Lewis Corporation	15	15	0	0	Dec 12, 1980	May 28, 1982
59	Phillips Petroleum Company	14	14	0	2	Jul 21, 1978	Sep 23, 1992
60	Bright & Co.	14	14	0	1	Apr 15, 2011	Mar 28, 2014
61	Superior Oil Company, The	14	14	0	1	Jan 26, 1982	Mar 19, 1985
62	Guadalupe Properties, LLC	14	14	0	0	Sep 29, 1999	Nov 6, 2012
63	Bam Permian Operating, LLC	13	13	0	19	Sep 22, 2015	Sep 15, 2022
64	Shell Oil Company	13	13	0	2	Aug 31, 1977	Dec 31, 1982
65	Banks, R. C.	13	13	0	1	Mar 26, 1985	Feb 10, 1998
66	Pioneer Exploration, Ltd.	13	13	0	0	Feb 18, 2004	Dec 15, 2006
67	Southwestern Energy Prod. Co.	13	13	0	0	Dec 28, 2000	Mar 1, 2006
68	Millwee Oil, Inc.	12	12	0	98	May 2, 1985	May 20, 2011
69	Crownquest Operating, LLC	12	12	0	12	Nov 2, 2000	Aug 28, 2008
70	Hunt Oil Company	12	12	0	3	May 2, 1994	Mar 11, 1997
71	Cimarex Energy Co. of Colorado	12	12	0	2	Mar 12, 2008	Mar 9, 2010
72	Thompson, J. Cleo	11	11	0	12	Aug 23, 1979	Oct 27, 2008
73	R. K. G. Engineering, Inc.	11	11	0	8	May 3, 1979	Sep 20, 1996
74	Exxon Mobil Corporation	11	11	0	1	Apr 25, 2000	Mar 24, 2003
75	Merit Energy Company	11	11	0	1	Jun 16, 1997	Feb 6, 2007
76	Shell Western E&P Inc.	11	11	2	1	Sep 17, 1985	Feb 24, 1997
77	Sabine Corporation	10	10	0	2	Jan 11, 1984	Jan 21, 1985
78	C & F Petroleum, Inc.	10	10	0	1	Feb 19, 2004	May 30, 2007
79	Prize Operating Company	10	10	0	0	Jul 3, 2000	Jan 16, 2001
80	Transamerican Energy, Ltd.	10	10	0	0	Apr 17, 1984	Nov 8, 1985
81	Diamondback E&P LLC	9	9	9	68	Jun 1, 2020	Aug 31, 2023
82	Green Century Exp & Prod, LLC	9	9	1	26	Aug 5, 2020	Oct 23, 2026
83	Burleson, Lewis B. Inc.	9	9	0	2	Jan 30, 1980	Dec 13, 1999
84	Texan Petroleum Corporation	9	9	0	2	Nov 7, 1985	Jul 7, 2000
85	Meridian Oil Inc.-Midland	9	9	0	1	Apr 17, 1996	Jul 19, 1996
86	Wynne, Robert M.	9	9	0	1	Jul 25, 1977	Apr 10, 1984
87	Chalice Petroleum Corporation	9	9	0	0	Mar 7, 1997	Jan 12, 1998
88	Mallard Exploration, Inc.	9	9	0	0	Aug 30, 1978	May 31, 1979
89	Parker & Parsley Development Co.	9	9	0	0	Dec 29, 1992	Oct 6, 1994
90	Purvis, J. H.	9	9	0	0	Oct 12, 1984	Dec 13, 1985
91	Nile Midstream, LLC	8	8	0	17	Jan 9, 2025	Nov 2, 2026
92	FDL Operating, LLC	8	8	0	5	Jan 27, 2017	Aug 24, 2018
93	Amoco Production Company	8	8	0	4	Jul 11, 1977	Mar 19, 1987
94	Union Oil Company of California	8	8	0	4	Jul 14, 1982	Jul 12, 1993
95	Asher Petroleum Corp.	8	8	0	1	Mar 9, 1984	Jan 3, 1985
96	Texas Oil & Gas Corp.	8	8	0	1	Oct 12, 1977	Jun 6, 1979
97	Cordova Resources Inc.	8	8	0	0	Jan 12, 1983	Jul 31, 1984
98	Dakota Resources, Inc. (I)	8	8	0	0	Jun 27, 2007	Oct 23, 2014
99	Forest Oil Permian Corporation	8	8	0	0	Dec 6, 2004	Apr 26, 2005
100	Lyn-San Company	8	8	0	0	Dec 11, 1980	Jan 23, 1984
101	Pogo Producing Company	8	8	0	0	Apr 15, 2002	Mar 17, 2006
102	Occidental Permian Ltd.	7	7	0	36	Nov 22, 2002	Nov 5, 2019
103	Global Natural Resources Corp.	7	7	0	3	Mar 2, 1981	Oct 4, 1985
104	Paladin Petroleum III, L.L.C.	7	7	1	3	Sep 8, 2017	Jan 17, 2023
105	Cimarex Energy Co.	7	7	0	1	Jan 13, 2004	Oct 21, 2008
106	Highland Production Company	7	7	0	1	Jun 6, 1985	Oct 2, 1987
107	Maralo, Inc.	7	7	0	1	Aug 5, 1983	May 4, 1994
108	Three-B Oil Company, The	7	7	0	1	Dec 31, 1996	Jan 24, 2005
109	Midenergy Operating, LLC	7	7	0	0	Aug 18, 2010	Jul 9, 2014
110	Pioneer Natural Res. USA, Inc.	7	7	0	0	Apr 1, 1997	Nov 5, 1997
111	Olsen Energy Inc.	6	6	0	175	Aug 16, 1999	May 2, 2025
112	Walsh & Watts, Inc.	6	6	0	47	Apr 7, 1992	Jun 17, 2021
113	Fortson Oil Company	6	6	0	11	Sep 16, 1987	Oct 29, 1991
114	CML Exploration, LLC	6	6	0	8	Feb 27, 2006	Jan 25, 2012
115	Baxter, D. B. Inc.	6	6	0	5	Apr 15, 1992	Jan 16, 1998
116	Jones, L. E. Operating, Inc.	6	6	0	3	May 21, 2007	Mar 3, 2010
117	Summit Petroleum LLC	6	6	0	2	Feb 22, 2008	Nov 5, 2010
118	Conoco Inc.	6	6	0	1	Nov 10, 1981	Nov 21, 1988
119	Cotton Petroleum Corp.	6	6	0	1	Apr 13, 1978	Oct 29, 1985
120	Four C Oil & Gas Corp.	6	6	1	1	May 20, 1980	Sep 24, 1996
121	Graham, Bill J. Oil & Gas Corp.	6	6	0	1	Oct 12, 1993	Mar 16, 2000
122	TX Heat of the Permian Basin Inc	6	6	0	1	Oct 5, 2006	Dec 7, 2010
123	Aminoil USA Inc.	6	6	0	0	Jun 8, 1977	Apr 10, 1980
124	Aspen Operating Company, L.L.C.	6	6	0	0	Sep 30, 2002	Sep 23, 2004
125	Cortez Operating Company	6	6	0	0	Jun 4, 2003	Jul 25, 2003
126	Encana Oil & Gas(usa) Inc.	6	6	0	0	Sep 12, 2016	Mar 10, 2017
127	Fuller, W. M. & A. P.	6	6	0	0	Jan 31, 1978	Dec 21, 1981
128	HCW Exploration, Inc.	6	6	0	0	Aug 20, 1981	Nov 24, 1982
129	Henderson & Erickson	6	6	0	0	Sep 7, 1979	Feb 22, 1983
130	Kaspar, A. G.	6	6	0	0	Nov 10, 1978	Jun 24, 1980
131	Norwood, A. N., Inc.	6	6	0	0	Jun 30, 1981	Feb 21, 1990
132	Pip Petroleum Corp.	6	6	0	0	Nov 23, 1981	Aug 5, 1982
133	Pure Resources, L.P.	6	6	0	0	Jan 10, 2001	Feb 9, 2001
134	Walker, Kent	6	6	0	0	May 23, 1996	Aug 27, 1998
135	Pitts Energy Co.	5	5	0	90	Jun 23, 1997	Oct 14, 2025
136	Fasken Oil and Ranch, Ltd.	5	5	0	76	Sep 8, 2008	Mar 4, 2019
137	Momentum Energy Corporation	5	5	0	14	Jun 2, 2008	Mar 13, 2012
138	Rayden	5	5	0	6	Aug 14, 1986	Sep 30, 2004
139	Abell, George T.	5	5	0	4	Jul 14, 1977	Feb 17, 1978
140	Yucca Energy, Inc.	5	5	0	3	Oct 12, 1995	Sep 11, 1997
141	McCabe Energy, Inc.	5	5	0	2	Aug 9, 1994	Mar 31, 1995
142	SM Energy Company	5	5	5	2	Aug 6, 2025	Aug 7, 2026
143	Fina Oil & Chemical Company	5	5	0	1	Apr 22, 1987	Feb 3, 1994
144	Athlon Holdings LP	5	5	0	0	Jul 3, 2012	Jan 13, 2015
145	Cooper Oil & Gas, LLC	5	5	0	0	Jan 10, 2020	Dec 6, 2022
146	Forest Oil Corporation	5	5	0	0	Apr 6, 1990	Jun 3, 2005
147	Hendrix, John H. Corp.	5	5	0	0	Aug 31, 1978	Feb 18, 1983
148	Hillin-Simon Oil Company	5	5	0	0	Jul 23, 1985	Dec 9, 1985
149	Permian Brine Sales, Inc.	5	5	0	0	Mar 9, 1981	Jan 26, 1984
150	P. T. Production Co.	5	5	0	0	Feb 15, 1978	Jul 16, 1981
151	Rhonda Operating Co.	5	5	0	0	Jul 9, 1981	Sep 30, 1981
152	Rial Oil Co.	5	5	0	0	Oct 7, 1977	Jun 5, 1980
153	Sabine Production Co.	5	5	0	0	Jul 9, 1981	May 10, 1983
154	Telesis Operating Co., Inc.	5	5	0	0	Nov 17, 2007	Jul 19, 2010
155	Texson Petroleum Corporation	5	5	0	0	Sep 23, 1983	Jun 7, 1985
156	Torch Energy Services, Inc.	5	5	0	0	May 17, 2006	Nov 12, 2008
157	Concho Resources Inc.	4	4	0	14	Mar 8, 1999	Dec 5, 2000
158	Chaparral Energy, L.L.C.	4	4	0	5	Oct 1, 2007	Dec 20, 2011
159	American Petrofina Co. of Tex.	4	4	0	1	Apr 4, 1979	Nov 12, 1980
160	Clements Energy, Inc.	4	4	0	1	Dec 11, 1980	Sep 17, 1985
161	Northstar Operating Company	4	4	0	1	Sep 29, 2008	Sep 11, 2014
162	Wilbanks, Bruce A.	4	4	0	1	Sep 24, 1979	Sep 3, 1982
163	Anadarko Petroleum Corp.	4	4	0	0	May 16, 1994	Oct 7, 1997
164	Andover Oil Company	4	4	0	0	Jan 30, 1981	Jul 30, 1982
165	Avad Operating, LLC	4	4	4	0	Jan 11, 2024	Jan 12, 2024
166	Brazos Petroleum Co.	4	4	0	0	Jan 7, 1983	Sep 8, 1983
167	Cima Exploration, Inc.	4	4	0	0	Apr 30, 1985	Oct 23, 1985
168	Durham, Inc.	4	4	0	0	Sep 3, 1980	May 12, 1992
169	KLM Petroleum Corp.	4	4	0	0	Jan 14, 2008	Dec 8, 2010
170	LHG Resources, Inc.	4	4	0	0	May 15, 1981	Oct 13, 1982
171	Millwee, John F.	4	4	0	0	Dec 10, 1986	Jun 21, 1989
172	Monsanto Oil Company	4	4	0	0	Nov 28, 1983	May 15, 1985
173	Murphy Oil Corporation	4	4	0	0	Aug 6, 1979	May 18, 1983
174	Palmer, J. M.	4	4	0	0	Nov 3, 1977	Feb 7, 1986
175	Roca Operating, Inc.	4	4	0	0	May 4, 2009	Mar 9, 2011
176	Sea Sand Oil Company	4	4	0	0	Sep 20, 1979	Nov 14, 1979
177	Stanolind Operating Corp.	4	4	0	0	Dec 21, 2006	Jan 29, 2008
178	Tmbr/Sharp Drilling, Inc.	4	4	0	0	Aug 16, 1990	Mar 18, 1997
179	WJC Engineering and Management	4	4	0	0	Jan 24, 1980	Mar 27, 1981
180	P & a Operating, Inc.	3	3	0	104	Nov 19, 2010	Sep 27, 2011
181	Endeavor Energy Resources L.P.	3	3	0	56	Nov 9, 2000	Nov 10, 2015
182	Seguro Oil and Gas, LLC	3	3	0	8	Nov 10, 2017	Nov 14, 2017
183	Three Span Oil & Gas, Inc.	3	3	0	4	Nov 17, 2008	Dec 16, 2024
184	V-F Petroleum Inc.	3	3	0	4	Nov 16, 1979	Aug 23, 1991
185	Maddox, Ned	3	3	0	3	Dec 31, 1980	Apr 16, 1981
186	Alta Energy Corporation	3	3	0	2	Oct 6, 1983	Aug 21, 1985
187	Cobra Oil & Gas Corporation	3	3	0	2	Dec 1, 1993	Apr 21, 1999
188	Heiser, Harvey	3	3	0	2	Jun 26, 1979	Nov 12, 1981
189	Petroleum Corporation of Texas	3	3	0	2	Mar 25, 1980	Apr 7, 1981
190	Petroplex Energy Inc.	3	3	0	2	Mar 26, 2002	Jan 16, 2003
191	Bettis, Boyle & Stovall	3	3	0	1	Jun 13, 1985	Oct 24, 2003
192	Hydrocarbon Energies, Inc.	3	3	0	1	Nov 19, 1979	Mar 12, 1980
193	Jamex, Inc.	3	3	0	1	Dec 30, 2011	May 30, 2013
194	Wiser Oil Company, The	3	3	0	1	Dec 19, 1983	Jun 18, 1984
195	American Quasar Petroleum Co.	3	3	0	0	Jul 14, 1978	Jan 21, 1980
196	Cross Timbers Energy, LLC	3	3	0	0	May 8, 2019	Apr 24, 2023
197	Hyquest Energy, Inc.	3	3	0	0	Oct 18, 1996	Jul 3, 1997
198	Jordan, Johnny	3	3	0	0	Dec 29, 1980	Sep 25, 1986
199	Lavanco Energy, Inc.	3	3	0	0	Oct 22, 2001	Nov 5, 2002
200	Lre Operating, LLC	3	3	0	0	May 22, 2013	Mar 7, 2014
201	Maynard Oil Co.	3	3	0	0	Mar 10, 1997	Aug 28, 2000
202	Mulloy Operating, Inc.	3	3	0	0	Aug 24, 2004	May 1, 2007
203	Parallel Petroleum Corporation	3	3	0	0	Dec 12, 1980	Sep 4, 1981
204	Parks & Luttrell Resources, LLC	3	3	0	0	Oct 27, 1999	Apr 19, 2000
205	Phillips Oil Company	3	3	0	0	Nov 2, 1983	Jan 5, 1984
206	Resaca Operating Company	3	3	0	0	Apr 14, 2009	Aug 25, 2011
207	Unit Petroleum Company	3	3	0	0	Apr 17, 2015	Aug 2, 2016
208	Windfohr Oil Company	3	3	0	0	Sep 12, 1978	Oct 23, 1979
209	Wood, McShane & Thams	3	3	0	0	Mar 16, 1987	Jun 15, 1987
210	Southwest Royalties, Inc.	2	2	0	14	Jun 29, 1987	Mar 14, 1988
211	Incline Energy	2	2	0	6	Apr 23, 2001	May 19, 2016
212	Sage Energy Company	2	2	0	6	Sep 9, 1983	Mar 1, 2004
213	Fluido Energy Services, LLC	2	2	0	4	Jul 11, 2013	Jan 17, 2014
214	Hanson Corporation	2	2	0	3	Oct 4, 1979	Dec 30, 1988
215	Norwood, Arvin Drilling Co.	2	2	0	3	Dec 9, 1977	Dec 3, 1981
216	Topat Oil Corporation	2	2	0	3	Oct 31, 1990	Aug 3, 1993
217	American Exploration Company	2	2	0	2	Feb 21, 1989	Apr 26, 1989
218	Adams, David	2	2	0	1	Oct 20, 1980	Dec 31, 1980
219	Breck Operating Corp.	2	2	0	1	Jan 22, 1999	May 9, 2001
220	Cambrian Management Ltd	2	2	0	1	Feb 20, 2003	Sep 16, 2003
221	Flying "7" Oil Co.	2	2	0	1	Nov 12, 1980	Apr 16, 1985
222	Limark Corporation	2	2	0	1	Dec 17, 1982	Nov 10, 1986
223	Mr Oil Company	2	2	0	1	Jul 20, 2000	Sep 13, 2000
224	MV2 Energy, Inc.	2	2	1	1	Feb 25, 2011	Jan 28, 2020
225	Pacific Enterprises Oil Co.(usa)	2	2	0	1	May 22, 1992	Dec 31, 1992
226	Pecanosa Oil & Cattle Co.	2	2	0	1	Mar 5, 1981	Nov 22, 2000
227	Reliance Operating Company	2	2	0	1	Dec 3, 1996	Sep 5, 1997
228	Sahara Operating Company	2	2	0	1	Jul 13, 1995	Oct 10, 1997
229	Altura Energy Ltd.	2	2	0	0	Nov 18, 1999	Mar 23, 2000
230	Argee Oil Company	2	2	0	0	Oct 1, 1980	Oct 1, 1980
231	Aries Operating, LLC	2	2	0	0	Aug 9, 2001	Aug 17, 2001
232	Aries Operating, LP	2	2	0	0	Dec 20, 2006	Mar 6, 2008
233	Basic Energy Services, L.P.	2	2	0	0	Nov 15, 2007	Jan 29, 2018
234	Burleson Petroleum, Inc.	2	2	0	0	Feb 7, 2022	Jun 30, 2022
235	Burnett Oil Co.	2	2	0	0	Jul 21, 1981	Jul 21, 1981
236	Cholla Petroleum, Inc.	2	2	0	0	Jun 23, 2015	Dec 5, 2016
237	Crown Central Petroleum Corp.	2	2	0	0	Jun 13, 1977	Oct 3, 1979
238	Deco Oil & Gas, Inc.	2	2	0	0	Feb 4, 1983	Feb 4, 1983
239	District Disposal, L.L.C.	2	2	0	0	Aug 6, 2014	Oct 6, 2014
240	Dorchester Exploration, Inc.	2	2	0	0	Jan 5, 1984	Feb 23, 1984
241	Estoril Producing Corporation	2	2	0	0	Dec 30, 1987	Oct 3, 1988
242	First Reserve Oil & Gas Co	2	2	0	0	Mar 29, 1999	Mar 29, 1999
243	Fort Worth Production Co.	2	2	0	0	Mar 21, 1996	Mar 22, 1996
244	Grover-McKinney Oil Company	2	2	0	0	Oct 27, 1993	Dec 30, 1993
245	Hondo Drilling Company	2	2	0	0	Mar 26, 1986	Apr 6, 1992
246	Hopkins, T. M. Operating Co.	2	2	0	0	Jul 17, 1998	Aug 7, 2003
247	Johnson-Miller Oil Co.	2	2	0	0	Oct 1, 1980	Dec 12, 1980
248	Lavanco Energy, Ltd.	2	2	0	0	May 13, 2016	Jul 26, 2016
249	Leather Neck Oilfield Serv, Inc.	2	2	0	0	Jul 2, 2012	Aug 4, 2015
250	Mann Development Company Inc.	2	2	0	0	Sep 16, 1983	Dec 13, 1983
251	Mei Operating Company	2	2	0	0	Jun 24, 1997	Sep 24, 1997
252	Murphy Oil USA, Inc.	2	2	0	0	Dec 6, 1983	Feb 23, 1987
253	Nareco Corporation	2	2	0	0	Oct 2, 1984	Oct 3, 1984
254	Ogr Operating Co, Inc.	2	2	0	0	Sep 11, 1984	Oct 30, 1984
255	Par Minerals Corporation	2	2	0	0	Jan 19, 2007	Jan 30, 2008
256	Pecos Operating Company, LLC	2	2	0	0	Nov 7, 2006	Mar 23, 2007
257	Pedernales Production, LP	2	2	0	0	Jan 18, 2017	Jul 13, 2017
258	Rendova Oil Co	2	2	0	0	Jul 22, 1985	Mar 3, 1987
259	Santa FE-Andover Oil Company	2	2	0	0	May 26, 1983	Jun 26, 1984
260	SDG Resources L.P.	2	2	0	0	Oct 12, 2001	Feb 25, 2002
261	Sweatt, J. W.	2	2	0	0	Nov 15, 1977	Sep 26, 1978
262	Taurus Oil Corp.	2	2	0	0	Aug 11, 1981	Jun 23, 1982
263	Texas American Oil Corp.	2	2	0	0	Dec 31, 1980	Sep 16, 1985
264	Titan Resources I, Inc.	2	2	0	0	Oct 29, 1998	Nov 18, 1998
265	Towner Petroleum Company	2	2	0	0	Nov 4, 1982	Dec 31, 1982
266	Vega Petroleum Corporation	2	2	0	0	May 25, 1979	Jun 13, 1979
267	Venus Oil Company	2	2	0	0	Jan 27, 1993	May 24, 1993
268	Vital Energy, Inc.	2	2	2	0	Apr 4, 2024	Apr 4, 2024
269	Walker, Chas. L.	2	2	0	0	Sep 29, 1982	Sep 6, 1983
270	WJC, Inc.	2	2	0	0	Oct 5, 1982	Oct 15, 1996
271	Wynne, Robert M., Inc.	2	2	0	0	Nov 14, 1984	Jul 1, 1985
272	Scout Energy Management LLC	1	1	0	1,178	May 23, 2024	May 23, 2024
273	Kinder Morgan Production Co LLC	1	1	0	1,111	Aug 13, 2024	Aug 13, 2024
274	Hilcorp Energy Company	1	1	0	337	Sep 25, 2026	Sep 25, 2026
275	OXY USA EOR, LLC	1	1	0	233	Sep 28, 2026	Sep 28, 2026
276	Martin Foree Operating, LLC	1	1	1	23	Nov 3, 2021	Nov 3, 2021
277	Felderhoff Production Company	1	1	0	10	Nov 13, 2024	Nov 13, 2024
278	Beren Corporation	1	1	0	8	Mar 19, 1984	Mar 19, 1984
279	Great Western Drilling Company	1	1	1	6	May 20, 2014	May 20, 2014
280	Kebo Oil & Gas, Inc.	1	1	1	6	Jan 24, 2017	Jan 24, 2017
281	Martin, Jimmy Inc	1	1	0	6	Aug 24, 2007	Aug 24, 2007
282	Purvis Operating Co.	1	1	0	6	Aug 27, 2018	Aug 27, 2018
283	BC Operating, Inc.	1	1	0	5	May 15, 1991	May 15, 1991
284	Reliance Energy, Inc	1	1	0	5	Aug 30, 2002	Aug 30, 2002
285	Flag-Redfern Oil Company	1	1	0	4	Mar 8, 1983	Mar 8, 1983
286	Graham, Bill J.	1	1	0	4	Sep 11, 1981	Sep 11, 1981
287	Texas Pacific Oil Company, Inc.	1	1	0	4	Jul 5, 1977	Jul 5, 1977
288	Mayne & Mertz, Inc.	1	1	0	3	Sep 30, 1991	Sep 30, 1991
289	Southwest-Operating	1	1	0	3	Oct 15, 1993	Oct 15, 1993
290	Triesco, Inc.	1	1	0	3	Aug 3, 1989	Aug 3, 1989
291	Usenco	1	1	0	3	Jul 1, 1985	Jul 1, 1985
292	Legacy Reserves Operating LP	1	1	0	2	Jan 13, 2011	Jan 13, 2011
293	Mabee Petroleum Corp.	1	1	0	2	Nov 26, 1985	Nov 26, 1985
294	Newman Cubed, Inc.	1	1	0	2	Feb 5, 2010	Feb 5, 2010
295	R.K.G. Operations, Inc.	1	1	0	2	Jul 9, 1997	Jul 9, 1997
296	Triax Oil & Gas, Inc.	1	1	0	2	Oct 28, 1981	Oct 28, 1981
297	Union Energy	1	1	0	2	Mar 25, 1998	Mar 25, 1998
298	Byrd Operating Company	1	1	0	1	Sep 19, 1994	Sep 19, 1994
299	Chi Operating, Inc.	1	1	0	1	Feb 24, 2022	Feb 24, 2022
300	Cleary Petroleum Corp.	1	1	0	1	Aug 12, 1977	Aug 12, 1977

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