COUNTIES · BRAZOS · OPERATORS

Brazos 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	Union Pacific Resources Company	276	276	259	50	Jun 29, 1989	Dec 29, 2000
2	Apache Corporation	134	134	124	13	May 4, 1994	Jan 19, 2023
3	Hawkwood Energy Operating, LLC	134	134	134	3	Aug 29, 2013	Nov 8, 2021
4	Gulf Oil Corp.	113	113	0	1	Apr 3, 1978	Jun 26, 1985
5	Halcon Operating Co., Inc.	101	101	100	4	Sep 17, 2012	Sep 17, 2015
6	Amalgamated Bonanza Petr. Ltd.	97	97	0	0	Jun 22, 1977	Jan 28, 1980
7	B.W.O.C., Inc.	54	54	39	86	Mar 27, 1986	Apr 9, 2007
8	7711 Corporation, The	51	51	51	16	Jan 7, 1997	Feb 11, 2011
9	Bexco Operating, Inc.	49	49	30	20	Mar 18, 1985	Nov 28, 2011
10	Anadarko E&P Company LP	49	49	47	13	Nov 30, 2001	Oct 18, 2012
11	Vess Oil Corporation	47	47	43	231	Apr 10, 2007	Mar 1, 2022
12	Hea Exploration, Inc.	47	47	0	4	Nov 20, 1981	Feb 28, 1986
13	Prodeco Exploration, Inc.	43	43	0	10	Mar 2, 1981	Sep 17, 1984
14	Champlin Petroleum Co.	41	41	0	2	Sep 22, 1978	Sep 25, 1986
15	MCZ, Inc.	40	40	0	5	Dec 9, 1980	Nov 13, 1986
16	Wildfire Energy Operating LLC	38	38	38	608	Oct 19, 2021	May 6, 2026
17	McMurrey Petroleum, Inc.	38	38	0	3	Dec 9, 1982	Oct 9, 1984
18	Anadarko E&P Onshore LLC	32	32	32	4	Sep 25, 2012	Nov 24, 2015
19	Chesapeake Operating, Inc.	32	32	32	1	Mar 5, 1992	Dec 12, 2006
20	Chevron U. S. A. Inc.	31	31	16	19	May 19, 1983	Aug 4, 1994
21	Enervest Operating, L.L.C.	30	30	29	29	Sep 12, 2007	Dec 13, 2013
22	Getty Oil Co.	29	29	0	2	Apr 10, 1978	Jun 26, 1984
23	Crimson Energy Ptnrs III, L.L.C.	29	29	27	0	Dec 16, 2009	Dec 19, 2013
24	Ogden Resources Corporation	26	26	18	12	Jun 5, 1991	May 30, 2024
25	Inexco Oil Company	26	26	0	3	Mar 23, 1981	Aug 7, 1985
26	North Central Oil Corp.	26	26	0	1	Oct 23, 1981	Dec 9, 1986
27	Williams, Clayton W., Jr., Inc.	26	26	22	0	Oct 4, 1988	Apr 19, 1993
28	Howell Petroleum Corporation	22	22	2	11	Apr 26, 1989	Aug 9, 1999
29	Daleco Resources	22	22	0	0	Feb 12, 1979	Apr 13, 1989
30	Lammerts, Robert P.	22	22	0	0	Mar 29, 1982	Feb 24, 1986
31	Patterson Petroleum, Inc.	21	21	6	11	Dec 2, 1982	Dec 18, 1997
32	Sage Energy Company	21	21	18	4	Sep 12, 1984	Jan 22, 1997
33	Merit Energy Company	21	21	0	0	Apr 11, 1985	Apr 30, 1993
34	Hill Production Co.-Wisconsin	20	20	0	9	Dec 27, 1982	Jan 18, 1985
35	Rme Petroleum Company	20	20	20	1	Jun 20, 2000	May 6, 2002
36	Holley Oil Company, LLC	19	19	18	18	May 5, 2000	Apr 26, 2024
37	Cody Energy, Inc.	19	19	7	1	Apr 4, 1995	Aug 31, 1998
38	Williams, Clayton Energy, Inc.	17	17	16	34	Jun 17, 1993	May 16, 2013
39	Chaparral Minerals, Inc.	17	17	0	0	Aug 12, 1981	Mar 6, 1984
40	Republic Mineral Corporation	17	17	0	0	Aug 15, 1982	Dec 4, 1989
41	R & C Petroleum, Inc.	16	16	0	2	Nov 9, 1984	Sep 15, 1987
42	Williams, Clayton W., Jr.	16	16	0	2	Aug 22, 1977	Apr 27, 1982
43	Michael Petroleum Corporation	16	16	0	1	Sep 6, 1983	Oct 6, 1993
44	Producers Engineering Company	16	16	0	1	Feb 22, 1984	Jan 14, 1987
45	WCS Oil and Gas Corporation	16	16	12	1	Jul 19, 1985	Jun 6, 2002
46	Wildhorse Resources Mngt Co, LLC	16	16	16	1	Dec 14, 2017	Apr 18, 2019
47	Gulf Canada Royalite Ltd	16	16	0	0	Jan 29, 1980	Apr 9, 1980
48	MD America Energy, LLC	16	16	16	0	Sep 8, 2011	Apr 18, 2019
49	Seneca Resources Corp.	15	15	14	7	Nov 21, 1991	Aug 1, 1997
50	Shield Petroleum	15	15	14	2	Dec 23, 1987	Sep 19, 1996
51	Cities Service Company	15	15	0	1	Apr 10, 1979	Mar 22, 1983
52	Edwards, Gus Co.	15	15	0	1	Jun 16, 1978	Dec 23, 1982
53	L & B Oil Co. Inc.	15	15	0	0	Sep 6, 1983	Sep 28, 1984
54	Lyons Petroleum, Inc.	15	15	0	0	Mar 25, 1982	Aug 18, 1987
55	Woodbine Acquisition LLC	15	15	15	0	Jan 31, 2013	Oct 17, 2014
56	Loutex Energy, Inc.	14	14	0	2	Apr 29, 1982	Sep 19, 1986
57	Amoco Production Company	14	14	0	0	Apr 23, 1982	Apr 5, 1989
58	Buttes Resources Company	14	14	0	0	Jul 20, 1977	Nov 28, 1979
59	Petromark Minerals INC.******P5	14	14	0	0	Nov 3, 1977	May 22, 1980
60	Penta Energy Corporation	13	13	0	2	Jul 28, 1982	Jul 12, 1985
61	T. M. Energy, Inc.	13	13	0	0	Apr 1, 1985	Dec 15, 1987
62	Centex Energy, LLC	12	12	10	5	May 13, 2009	May 24, 2018
63	Omni Petroleum Corporation	12	12	12	3	Feb 1, 1991	Mar 16, 1993
64	Graham, Keith D.	12	12	0	2	Mar 4, 1981	Apr 15, 1985
65	Cody Energy LLC	12	12	0	0	Mar 9, 2000	Oct 18, 2001
66	Dale Operating Company	12	12	12	0	Dec 17, 1991	Oct 26, 1993
67	Galaxy Oil Company	12	12	0	0	May 28, 1980	Mar 4, 1982
68	Hill International Production Co	12	12	0	0	Sep 23, 1982	Dec 29, 1983
69	Sabalo Exploration Operating,llc	12	12	12	0	May 15, 2013	Nov 26, 2014
70	SW Operating, Inc.	12	12	0	0	Sep 21, 1984	Sep 5, 1989
71	G S I, Inc.	11	11	0	2	Apr 14, 1983	Jan 21, 1985
72	Impetro Operating LLC	11	11	8	0	Mar 23, 2009	Jun 24, 2014
73	Unico Oil & Gas, Inc.	11	11	0	0	Aug 6, 1987	Jan 28, 1988
74	Patterson Petroleum LP	10	10	10	5	Jul 11, 2000	Apr 14, 2006
75	Dynamic Production, Inc.	10	10	6	4	Jan 21, 1992	Jun 14, 1995
76	Northfield Enterprises	10	10	2	3	Feb 6, 1987	Nov 26, 1991
77	Arledge, Terry	10	10	0	0	Dec 9, 1982	Aug 20, 1984
78	Fisher-Webb, Inc.	10	10	0	0	Feb 10, 1981	Aug 17, 1982
79	Graham Royalty, Ltd.	10	10	0	0	Sep 5, 1989	Jul 18, 1991
80	Ultramar Oil and Gas Limited	10	10	9	0	Oct 4, 1990	Aug 19, 1992
81	Unit Petroleum Company	10	10	9	0	May 22, 2006	Feb 23, 2010
82	Northfield Enterprises, Inc.	9	9	9	17	Feb 15, 2000	Jun 12, 2018
83	Apache Exploration, Inc.	9	9	0	1	Apr 28, 1983	Mar 18, 1985
84	Falcon Petroleum Co.	9	9	0	1	May 21, 1987	Dec 30, 1988
85	Cayuga Exploration, Inc.	9	9	0	0	Sep 1, 1977	Jul 14, 1978
86	Confed Oil Incorporated	9	9	0	0	Nov 14, 1986	Jul 27, 1992
87	Crawford Energy Operating Co	9	9	7	0	Dec 20, 2000	Apr 23, 2008
88	Edwards, -Gus-	9	9	0	0	Feb 15, 1978	Oct 2, 1978
89	International Drilling Systems	9	9	0	0	Oct 15, 1984	Jun 16, 1987
90	RO-JO, Inc.	9	9	2	0	Mar 12, 1990	Dec 19, 1997
91	Eastern Energy, Inc.	8	8	0	3	Mar 7, 1986	Sep 2, 1987
92	Amoco Production Co.-Alvin	8	8	0	0	Feb 22, 1982	Jan 2, 1985
93	Brock, J.	8	8	0	0	Aug 16, 1983	Oct 15, 1985
94	Haber Oil Company, Inc.	8	8	0	0	Sep 28, 1984	Nov 1, 1990
95	Reserve Production, Inc.	8	8	7	0	Jan 17, 1992	Oct 15, 1993
96	CML Exploration, LLC	7	7	7	23	Aug 15, 2012	Sep 28, 2026
97	Chesapeake Operating, L.L.C.	7	7	7	4	Aug 19, 2019	Sep 11, 2019
98	Goldsmith, J. Paul	7	7	0	2	Dec 3, 1981	Apr 9, 1985
99	T D Exploration, Inc.	7	7	0	2	Apr 24, 1984	Dec 19, 1984
100	Tipco	7	7	0	2	Apr 11, 1979	Mar 26, 1982
101	Buchanan, Wayman W.	7	7	0	0	Jul 13, 1984	Jan 21, 1985
102	Etx Energy, LLC	7	7	4	0	Jul 12, 2018	May 3, 2019
103	Wood Energy Inc.	7	7	0	0	Jun 23, 1981	Dec 31, 1981
104	Gsi Oil & Gas, Inc.	6	6	3	4	May 4, 1990	Jul 14, 2007
105	Advanced Specialities Oil Corp.	6	6	0	0	Mar 16, 1982	Oct 7, 1982
106	Laredo Energy Operating, LLC	6	6	6	0	Apr 22, 2014	Mar 11, 2015
107	Lonestar Operating, LLC	6	6	6	0	Mar 18, 2013	Apr 26, 2019
108	TX. International Min & Dev Corp	6	6	0	0	Feb 8, 1983	Dec 30, 1983
109	Wilwood Resources, Inc.	6	6	0	0	Apr 26, 1983	Jan 13, 1984
110	Ginger Petroleum Company, Inc.	5	5	2	7	Dec 31, 1982	Sep 8, 1999
111	Ramrod Oil and Gas (U.S.A.) Inc.	5	5	4	4	Oct 27, 1992	Jul 27, 1995
112	Reata Oil & Gas Corp.	5	5	0	4	Aug 17, 1983	Mar 28, 1985
113	Rosewood Resources, Inc.	5	5	5	3	Jun 18, 2015	Dec 8, 2016
114	Smith Petroleum Company	5	5	0	2	Dec 31, 1980	Feb 13, 1984
115	Cedar Hill Petroleum	5	5	0	0	Jan 3, 1984	Aug 2, 1984
116	Creative Oil & Gas Operating,llc	5	5	3	0	Jul 19, 2019	Sep 29, 2021
117	Juneau Energy, LLC	5	5	5	0	Oct 31, 2014	Sep 14, 2015
118	Marlex Oil & Minerals, Inc.	5	5	0	0	Dec 30, 1981	Dec 6, 1982
119	Texas Royalty Corp.	5	5	0	0	Apr 12, 1988	Apr 6, 1992
120	Shoreham Oil & Gas Company, Inc.	4	4	0	23	Dec 23, 1997	Apr 11, 2001
121	McDaniel Petroleum Co.	4	4	0	2	Mar 10, 1983	Nov 8, 1983
122	Ashland Exploration, Inc.	4	4	0	1	Sep 26, 1977	Dec 30, 1983
123	Grand Operating, Inc.	4	4	4	1	Feb 25, 1999	Aug 28, 2002
124	Noble Production Company, Inc.	4	4	0	1	Sep 6, 1983	Jan 4, 1984
125	Snyder Oil Corporation	4	4	4	1	Sep 30, 1994	Aug 24, 1995
126	Westlands Resources Corporation	4	4	4	1	May 28, 1991	Oct 23, 1997
127	7711 Operating Company, LLC	4	4	4	0	Aug 20, 2012	Oct 23, 2013
128	Delta Petroleum & Energy Corp.	4	4	0	0	Oct 18, 1985	Mar 12, 1986
129	Dynamic Petroleum Res., Inc.	4	4	0	0	Feb 27, 1986	May 20, 1992
130	Kimball Production Co.	4	4	0	0	Dec 5, 1977	Jan 3, 1978
131	La Salle Energy, Corp.	4	4	0	0	Apr 29, 1980	May 7, 1981
132	Loutex - Asoco	4	4	0	0	Nov 10, 1982	Dec 30, 1983
133	Mac Petroleum Company	4	4	0	0	Apr 26, 1983	Jan 3, 1984
134	Megargel Drlg. Co.	4	4	0	0	Jun 21, 1982	Nov 30, 1982
135	Pmo	4	4	4	0	Sep 3, 2009	Feb 7, 2013
136	Texas General Petr. Corp.	4	4	0	0	Jul 6, 1981	Nov 15, 1983
137	T & T Production Co.	4	4	0	0	Jan 14, 1986	Mar 13, 1991
138	Utah Delta Petroleum Corp.	4	4	0	0	Jul 10, 1981	Sep 18, 1981
139	Weber Energy Corporation	4	4	4	0	Oct 11, 2011	Aug 20, 2012
140	Omimex Petroleum, Inc.	3	3	3	13	Jan 24, 1991	Jul 23, 1991
141	Quinoco Petroleum, Inc.	3	3	0	6	May 6, 1986	May 25, 1988
142	Damson Oil Corp.	3	3	0	3	Jul 28, 1977	Sep 29, 1982
143	Chaco Production Company	3	3	0	2	Sep 28, 1984	Nov 9, 1984
144	Daltex Energy Company	3	3	0	2	Dec 8, 1986	Dec 31, 1986
145	Langham Petroleum Expl. Corp.	3	3	0	2	Nov 20, 1979	Nov 26, 1979
146	Akg Operating Company	3	3	0	1	Oct 17, 2002	Mar 2, 2004
147	Lawless Energy, Inc.	3	3	0	1	Feb 25, 1983	Sep 27, 1983
148	Lowmar Exploration Company	3	3	0	1	Jun 23, 1986	May 20, 1987
149	Marathon Oil Company	3	3	3	1	Nov 18, 1991	Feb 21, 1992
150	Moon Operating, Inc.	3	3	2	1	Jan 29, 1993	Jan 8, 1996
151	Pasture Production Company	3	3	0	1	Jul 15, 1982	Mar 8, 1995
152	Petro-Lewis Corporation	3	3	0	1	Feb 11, 1981	Aug 12, 1981
153	Walter Exploration Inc.	3	3	0	1	Dec 5, 1980	Mar 30, 1982
154	Chapman Oil	3	3	0	0	Dec 12, 1980	Apr 27, 1981
155	Continental U S Exploration, Inc	3	3	0	0	Jul 5, 1982	Aug 13, 1984
156	Delta (del.) Pet. & Energy Corp.	3	3	0	0	Oct 7, 1981	Jul 5, 1982
157	Exxon Corp.	3	3	2	0	Jun 13, 1985	Jun 19, 1996
158	Gaelic Petroleum-Talco Inc.	3	3	0	0	Nov 6, 1981	Jan 27, 1982
159	Laredo Energy V, LP	3	3	3	0	Oct 10, 2013	Mar 15, 2014
160	Lone Star Exploration Corp.	3	3	0	0	Nov 6, 1984	Nov 19, 1985
161	Loutex	3	3	0	0	Jul 17, 1981	Mar 24, 1982
162	Martin Oil & Gas Co.	3	3	0	0	Nov 13, 1981	Mar 1, 1984
163	MW Petroleum Corporation	3	3	0	0	Mar 22, 1995	May 21, 1997
164	New Gulf Resources, LLC	3	3	3	0	Jan 14, 2015	Jan 14, 2015
165	Nichols,edwin S Explorations Ltd	3	3	0	0	Feb 23, 1983	Sep 30, 1983
166	Q.M.G. Operations, Inc.	3	3	0	0	Apr 1, 1981	May 20, 1981
167	Showdown Operating, Inc.	3	3	2	0	Sep 14, 1993	Jul 14, 1994
168	SWD, Inc.	3	3	0	0	Oct 29, 1984	Nov 6, 1990
169	Texas Three Oil & Gas., Inc.	3	3	0	0	Mar 14, 1983	Sep 15, 1983
170	United Oil & Minerals, Inc.	3	3	3	0	Sep 3, 1991	May 20, 1997
171	Williams, Clayton Energy, L.L.C	3	3	3	0	Apr 30, 1993	Aug 4, 1993
172	Chaparral Energy, L.L.C.	2	2	2	6	Oct 3, 2008	Mar 4, 2011
173	Alamo Pet. Co.	2	2	0	5	Dec 11, 1978	Jan 29, 1979
174	Torch Operating Company	2	2	2	5	May 12, 1994	Apr 4, 1995
175	Landmark Exploration Inc.	2	2	0	3	May 3, 1983	Aug 11, 1983
176	Lee "C" Production Co.	2	2	0	3	Dec 31, 1982	Nov 16, 1989
177	Evolution Operating Co., Inc.	2	2	2	2	Nov 7, 2007	Oct 19, 2010
178	La Campana, Inc.	2	2	1	2	May 25, 2001	Sep 11, 2006
179	Ogden Resources, Ltd.	2	2	1	2	Jul 27, 2006	Jan 2, 2008
180	Primary Fuels, Inc.	2	2	0	2	Mar 12, 1982	Mar 9, 1984
181	Texaco E & P Inc.	2	2	1	2	Jun 20, 1991	Apr 3, 1992
182	Texakoma Oil & Gas Corporation	2	2	2	2	Apr 26, 1991	Feb 6, 1992
183	Edco Energy, Inc.	2	2	2	1	Dec 4, 1991	May 28, 1992
184	Geo-Nova Petroleum Corp.	2	2	0	1	Jul 10, 1984	Nov 8, 1984
185	HLH Petroleum Corporation	2	2	0	1	Sep 9, 1983	Oct 11, 1984
186	Idgas, Inc.	2	2	0	1	Jun 26, 1987	Oct 16, 1989
187	New Century Exploration, Inc.	2	2	2	1	Jan 7, 2011	Mar 20, 2013
188	Peter Paul Petroleum Co.	2	2	0	1	Dec 30, 1980	Oct 26, 1983
189	Soltero Resources, Inc.	2	2	0	1	Nov 19, 1987	Feb 16, 1989
190	Ashland Oil, Inc.	2	2	0	0	Jun 10, 1977	Aug 25, 1977
191	B.A.C.O.C., Inc.	2	2	1	0	Apr 28, 1992	Jan 15, 1993
192	Bandera Resources, Inc.	2	2	0	0	Dec 9, 1981	Jan 22, 1982
193	Bluesky Oil & Gas, Inc.	2	2	0	0	Jul 24, 1980	Dec 29, 1980
194	Brighton Energy, L.L.C.	2	2	2	0	Dec 9, 2005	Mar 14, 2006
195	Cantro Exploration, Inc.	2	2	2	0	Sep 2, 1993	May 1, 1995
196	DLG Oil & Gas, Inc.	2	2	0	0	Apr 23, 1986	May 28, 1986
197	Dyson Energy Operating, LLC	2	2	2	0	May 28, 2015	Jan 12, 2016
198	Emerald Operating Company, Inc.	2	2	2	0	Dec 17, 1999	Feb 20, 2001
199	Encana Oil & Gas(usa) Inc.	2	2	2	0	Nov 1, 2012	Nov 6, 2012
200	Endeavor Natural Gas, LP	2	2	2	0	Nov 16, 2010	Jul 28, 2011
201	Enteger USA LLC	2	2	0	0	Aug 3, 2006	Dec 22, 2006
202	Fuller Petroleum, Inc.	2	2	0	0	Jan 21, 1983	Jan 28, 1983
203	Hawkins, H. L., Jr.	2	2	0	0	Dec 19, 1977	Jul 24, 1978
204	Hawn Brothers	2	2	0	0	Jul 1, 1980	Nov 25, 1981
205	Hez Petroleum Company	2	2	0	0	Jan 27, 1986	Jan 27, 1986
206	Lynn, Larry J. & Coffman T. D.	2	2	0	0	Jun 24, 1977	Aug 31, 1977
207	Marlin Energy Resources, LLC	2	2	2	0	Mar 12, 2013	Aug 20, 2014
208	Mitchell Energy Corporation	2	2	0	0	Oct 22, 1981	Dec 21, 1981
209	Mobil Pipe Line Co.	2	2	0	0	Jun 25, 1991	Jul 30, 1992
210	Palm Petroleum Co.	2	2	0	0	Oct 2, 1984	Dec 11, 1984
211	Pesetas Exploration Company	2	2	0	0	Dec 4, 1985	Sep 1, 1987
212	Petro-Hunt Corporation	2	2	2	0	Sep 25, 1991	Jan 7, 1992
213	Pharaoh & Associates, Inc.	2	2	0	0	Nov 3, 1981	Oct 18, 1983
214	Prodeco Exploration Inc.	2	2	0	0	Feb 26, 1982	Mar 29, 1982
215	Sequoia Management, LLC	2	2	2	0	Nov 25, 2008	Dec 19, 2008
216	Sklar & Phillips Oil Co.	2	2	0	0	Sep 9, 1982	Feb 11, 1983
217	Spur Oil, Inc.	2	2	0	0	Sep 9, 1980	Dec 5, 1980
218	Stroud Oil Properties, Inc.	2	2	2	0	Apr 2, 2001	Jan 31, 2002
219	McDaniel Company, Inc., The	1	1	0	14	Jun 24, 2003	Jun 24, 2003
220	Geosouthern Energy Corporation	1	1	0	4	Apr 27, 1982	Apr 27, 1982
221	Martineau Petroleum, Inc.	1	1	1	4	Mar 23, 2007	Mar 23, 2007
222	Baker, Brent Oil & Gas, Inc.	1	1	1	3	Oct 25, 1994	Oct 25, 1994
223	CDC Operating Company	1	1	0	3	Mar 27, 1984	Mar 27, 1984
224	Delaware Ecco Petroleum Inc.	1	1	0	3	Apr 15, 1996	Apr 15, 1996
225	Tularosa Operating Company	1	1	1	3	Feb 12, 1991	Feb 12, 1991
226	Itr Petroleum, Inc.	1	1	0	2	Sep 20, 1983	Sep 20, 1983
227	American Exploration Company	1	1	0	1	Jul 2, 1985	Jul 2, 1985
228	Amtex Petroleum, Inc.	1	1	0	1	Jul 24, 1989	Jul 24, 1989
229	Bow Valley Oil & Gas Inc.	1	1	0	1	Mar 17, 1987	Mar 17, 1987
230	Dee-Jay Exploration Company	1	1	1	1	Jun 3, 2004	Jun 3, 2004
231	Energy Development Corp.	1	1	0	1	Nov 21, 1990	Nov 21, 1990
232	Godfrey Interests	1	1	0	1	Nov 17, 1983	Nov 17, 1983
233	Great West Energy & Expl., Inc.	1	1	1	1	Sep 23, 1997	Sep 23, 1997
234	Hamman Oil & Refg. Co.	1	1	0	1	Sep 19, 1985	Sep 19, 1985
235	Hanson, Walt	1	1	0	1	Mar 14, 1985	Mar 14, 1985
236	L & L Petroleum Corp.	1	1	0	1	Feb 22, 1980	Feb 22, 1980
237	Long Trusts, The	1	1	0	1	Mar 15, 1985	Mar 15, 1985
238	Luckenbach Drilling Corporation	1	1	0	1	Feb 25, 1986	Feb 25, 1986
239	McCann-Wilson Operations, Inc.	1	1	0	1	Oct 14, 1983	Oct 14, 1983
240	Mobil Producing TX. & N.M. Inc.	1	1	0	1	Aug 2, 1984	Aug 2, 1984
241	Neumin Production Company	1	1	0	1	Nov 1, 1983	Nov 1, 1983
242	Petroleum Corporation of Texas	1	1	0	1	Aug 29, 1979	Aug 29, 1979
243	Shell Western E&P	1	1	0	1	Jun 18, 2008	Jun 18, 2008
244	WCS Oil & Gas Corporation	1	1	0	1	Nov 29, 2018	Nov 29, 2018
245	W C S Petroleum, Inc.	1	1	0	1	Jul 6, 1981	Jul 6, 1981
246	Webco Oil Co.	1	1	0	1	Apr 15, 1988	Apr 15, 1988
247	Ada Oil Exploration Corp.	1	1	0	0	Mar 9, 1981	Mar 9, 1981
248	Allen, Denny Operating Company	1	1	1	0	Oct 9, 1992	Oct 9, 1992
249	Allen Petroleum, Inc.	1	1	0	0	Jul 24, 1981	Jul 24, 1981
250	Alpar Resources, Inc.	1	1	0	0	Jun 14, 1979	Jun 14, 1979
251	Antler Oil & Gas, Inc.	1	1	0	0	Jul 17, 1981	Jul 17, 1981
252	Arrow Exploration Company	1	1	1	0	Sep 10, 1996	Sep 10, 1996
253	Aschere Operating Company, LLC	1	1	0	0	Dec 27, 2013	Dec 27, 2013
254	Bek-O/Rdci	1	1	0	0	Jun 25, 1985	Jun 25, 1985
255	Belco Operating Corp.	1	1	1	0	Nov 5, 1997	Nov 5, 1997
256	Bex, Inc.	1	1	1	0	Mar 1, 1993	Mar 1, 1993
257	Brazos Resources, Inc.	1	1	0	0	Jun 5, 1981	Jun 5, 1981
258	Bse Production Co.	1	1	0	0	Apr 18, 1985	Apr 18, 1985
259	Cashco Energy Corp.	1	1	0	0	Aug 7, 1979	Aug 7, 1979
260	Central Plains Oil and Gas Corp.	1	1	0	0	Jul 6, 1981	Jul 6, 1981
261	Chartex Petroleum Company	1	1	0	0	Sep 6, 2000	Sep 6, 2000
262	Chenango Oil and Gas Co.	1	1	0	0	Dec 27, 1993	Dec 27, 1993
263	Chisos Operating, Inc.	1	1	0	0	May 22, 1984	May 22, 1984
264	CMV Production	1	1	0	0	Aug 8, 1985	Aug 8, 1985
265	Columbia Gas Development Corp.	1	1	1	0	Apr 13, 1994	Apr 13, 1994
266	Commadore Oil & Gas Inc.	1	1	0	0	Nov 23, 1983	Nov 23, 1983
267	Continental U.S. Drilling, Inc.	1	1	0	0	Nov 5, 1982	Nov 5, 1982
268	Crest Exploration Inc.	1	1	0	0	Jun 15, 1983	Jun 15, 1983
269	Crimson Energy Company, LC	1	1	1	0	Oct 4, 2001	Oct 4, 2001
270	C R L, Inc.	1	1	0	0	Nov 12, 1980	Nov 12, 1980
271	Crown Central Petroleum Corp.	1	1	0	0	Dec 2, 1977	Dec 2, 1977
272	Deep River Explor. & Prod., Inc.	1	1	0	0	Nov 15, 1989	Nov 15, 1989
273	Del Rios Salt Water, Inc.	1	1	0	0	Nov 19, 1984	Nov 19, 1984
274	Destefano, Sammy	1	1	0	0	Dec 30, 1981	Dec 30, 1981
275	D-III Petroleum, Inc.	1	1	0	0	May 29, 1984	May 29, 1984
276	Donco, Inc.	1	1	0	0	Dec 17, 1992	Dec 17, 1992
277	Drillcon Exploration, Inc.	1	1	0	0	Nov 4, 1983	Nov 4, 1983
278	Durst Oil Company	1	1	1	0	Oct 25, 1991	Oct 25, 1991
279	Eagle Valley Development LLC	1	1	1	0	Jan 27, 2020	Jan 27, 2020
280	Eastern Companies	1	1	0	0	Oct 30, 1985	Oct 30, 1985
281	El Dorado Incorporated	1	1	0	0	Dec 31, 1984	Dec 31, 1984
282	Energy Prospects, Inc.	1	1	0	0	Dec 15, 1977	Dec 15, 1977
283	Enterprise Products Operatingllc	1	1	0	0	Jun 18, 2020	Jun 18, 2020
284	Escopeta Production Company	1	1	1	0	Feb 17, 1999	Feb 17, 1999
285	Exxonmobil Pipeline Company	1	1	0	0	Jun 6, 2018	Jun 6, 2018
286	Ford, Don H. & Assoc.	1	1	1	0	Jan 15, 1993	Jan 15, 1993
287	Galaxy Oil & Transwestern Explor	1	1	0	0	Jun 16, 1981	Jun 16, 1981
288	Gierhart, B. J. Inc.	1	1	0	0	May 16, 1984	May 16, 1984
289	GO-Disposal Services	1	1	0	0	Jan 22, 1982	Jan 22, 1982
290	G & P Exploration, Inc.	1	1	0	0	Dec 22, 1982	Dec 22, 1982
291	Gulf Tide Oil Company, The	1	1	0	0	Dec 9, 1986	Dec 9, 1986
292	Gurley & Associates, Inc.	1	1	1	0	Oct 7, 1991	Oct 7, 1991
293	Hill, Wm. B. Production Company	1	1	0	0	Apr 14, 1988	Apr 14, 1988
294	Hunter Petroleum Inc.	1	1	1	0	Dec 23, 1997	Dec 23, 1997
295	Hurricane Energy Company	1	1	0	0	Mar 20, 1985	Mar 20, 1985
296	HY-Point Energy Inc.	1	1	0	0	Mar 5, 1985	Mar 5, 1985
297	Intercontinental Drilling Co.	1	1	0	0	Apr 7, 1982	Apr 7, 1982
298	Itech Oil Company	1	1	1	0	Sep 15, 1997	Sep 15, 1997
299	Jessco Energy Inc	1	1	1	0	Jun 17, 2013	Jun 17, 2013
300	Keystone Exploration, Inc	1	1	1	0	May 30, 1997	May 30, 1997

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