COUNTIES · HENDERSON · OPERATORS

Henderson 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	XTO Energy Inc.	135	135	0	40	Jun 12, 2001	Sep 7, 2017
2	EP Operating Company	125	125	0	17	May 24, 1985	Nov 13, 1992
3	Enserch Exploration, Inc	109	109	0	22	Oct 18, 1977	Oct 3, 1997
4	Hunt Oil Company	67	67	0	1	Jun 24, 1980	Sep 22, 2006
5	Stroud Petroleum, Inc.	48	48	0	14	Dec 10, 1997	Aug 11, 2012
6	O'Benco, Inc.	46	46	40	16	Apr 24, 2013	Aug 25, 2017
7	Cross Timbers Operating Company	41	41	0	5	Oct 6, 1998	Mar 23, 2001
8	EP Operating Limited Partnership	33	33	0	6	Jan 8, 1993	Feb 1, 1995
9	Perryman Operating Co., Inc.	30	30	0	3	Feb 6, 1978	Dec 22, 1987
10	Perryman Operating Company	15	15	0	0	Oct 26, 1989	Oct 11, 1991
11	Triton Oil & Gas Corp.	14	14	0	1	Nov 2, 1977	May 31, 1984
12	Atmos Pipeline - Texas	13	13	9	37	Jun 24, 2015	Jan 3, 2025
13	TXO Production Corp.	13	13	0	4	Oct 20, 1983	Feb 4, 1986
14	West Mountain Operating Co, Inc.	13	13	0	0	Jan 10, 2005	Jul 5, 2010
15	Decker Operating Co., L.L.C.	12	12	0	12	Nov 12, 2007	Feb 6, 2019
16	O'Ryan Oil and Gas	11	11	3	3	Feb 16, 2005	Aug 1, 2023
17	McFarlane Oil Co., Inc.	10	10	0	3	Dec 1, 1978	Dec 11, 1980
18	Key Production Company, Inc.	10	10	0	2	Aug 18, 1997	Mar 11, 2003
19	Munson, David M.	10	10	0	1	Aug 1, 1977	Apr 11, 1983
20	Range Production Company	10	10	0	1	May 31, 2001	Feb 25, 2002
21	Maximus Operating, Ltd.	8	8	0	2	Feb 7, 2008	Nov 4, 2019
22	Palmer Petroleum Inc.	8	8	0	2	Feb 27, 1984	Apr 23, 2004
23	Rising Star Petroleum, L.L.C.	8	8	0	2	Jun 21, 2007	Feb 21, 2008
24	Smackover Shell Limited	8	8	0	2	Apr 24, 1978	Feb 6, 1981
25	Union Oil Company of California	8	8	0	2	Jun 15, 1990	Nov 15, 2002
26	Excelsior Oil Corp.	8	8	0	1	Sep 8, 1980	Feb 6, 1985
27	Basin Operating Co. Ltd.	8	8	0	0	Oct 7, 1977	Jan 23, 1981
28	Munson, David M. Inc.	8	8	0	0	Aug 28, 1978	Jul 2, 2003
29	Doughtie Operating Company, LLC	7	7	0	0	Apr 18, 2016	Jun 19, 2024
30	Spartan Operating Company, Inc.	7	7	0	0	Apr 8, 1996	Dec 20, 2004
31	TDX Energy, LLC	7	7	1	0	Jun 14, 2013	Jun 14, 2016
32	Highmark Energy Operating, LLC	6	6	0	153	Dec 27, 2022	Nov 4, 2024
33	Texaco Inc.	6	6	0	3	Mar 5, 1979	Jun 29, 1983
34	Ellis Exploration, Inc.	5	5	0	9	Jul 23, 1999	Mar 24, 2008
35	Shoco Production, L.P.	5	5	0	2	May 24, 2011	May 10, 2013
36	Sonat Exploration Company -Tyler	5	5	0	2	Oct 7, 1992	Aug 31, 1999
37	Blocker Exploration Co.	5	5	0	1	May 15, 1980	Feb 9, 1982
38	TXP Operating Company	5	5	0	1	Aug 1, 1986	Mar 24, 1987
39	Ballard Exploration Company,inc.	5	5	0	0	Dec 31, 1982	Dec 1, 1983
40	Dallas Production, Inc.	5	5	0	0	Dec 14, 1977	May 8, 2015
41	Kaiser-Francis Oil Company	5	5	0	0	May 3, 2000	Sep 10, 2001
42	K/G Oil Co.	5	5	0	0	Dec 17, 1979	Jul 12, 1983
43	Langham Petroleum Expl. Corp.	5	5	0	0	Nov 20, 1979	Jan 18, 1996
44	Marshall Expl. Inc.	5	5	0	0	Mar 23, 1984	Mar 13, 1991
45	Optimum Exploration LLC	5	5	0	0	Jun 15, 2022	Nov 18, 2022
46	Par Oil Corp.	5	5	0	0	Mar 28, 1979	Sep 8, 1981
47	Petro-Tech, Inc.	5	5	0	0	Mar 5, 1980	Jan 20, 1986
48	Par Minerals Corporation	4	4	0	4	Jun 7, 1984	Dec 28, 1984
49	Txu Lone Star Pipeline	4	4	2	4	Oct 18, 1999	May 15, 2001
50	Cobra Oil & Gas Corporation	4	4	0	2	Aug 10, 1989	Aug 22, 1990
51	North Central Oil Corp.	4	4	0	2	Jan 26, 1984	Apr 24, 1985
52	Pacific Enterprises Oil Co.(usa)	4	4	0	1	Jun 23, 1989	Jun 27, 1990
53	Samedan Oil Corporation	4	4	0	1	Oct 22, 1979	Apr 20, 1994
54	Seneca Resources Corp.	4	4	0	1	Apr 28, 1982	Aug 9, 1984
55	Arrow Exploration Company	4	4	4	0	Dec 2, 1997	Jan 8, 1998
56	Atmos Energy Corp., Mid-Tex Div.	4	4	0	0	Mar 16, 2009	Jan 8, 2024
57	B J Resources, L.L.C.	4	4	1	0	Jul 18, 2000	Nov 8, 2004
58	Geotec Exploration, Inc.	4	4	0	0	Sep 16, 1977	Dec 31, 1981
59	Peak Energy Corporation	4	4	0	0	May 22, 2006	Nov 8, 2006
60	Rippy Oil Company	4	4	0	0	Oct 9, 1996	Oct 24, 2002
61	Rising Star Energy, L.L.C.	4	4	0	0	Mar 25, 2004	Dec 8, 2004
62	Shell Oil Company	4	4	0	0	Nov 17, 1977	Apr 12, 1982
63	Lone Star Gas Co.	3	3	0	7	Feb 9, 1994	Feb 9, 1994
64	Weathers Exploration, Inc.	3	3	0	5	Dec 6, 2018	Nov 12, 2019
65	Grace Petroleum Corp.	3	3	0	1	Aug 18, 1983	Jul 18, 1988
66	Chesapeake Operating, L.L.C.	3	3	2	0	Apr 17, 2015	Sep 1, 2016
67	Continental Trend Resources, Inc	3	3	0	0	Jul 18, 2000	Aug 10, 2001
68	Hughes Texas Petroleum, Ltd.	3	3	0	0	Feb 7, 1985	Jun 11, 1985
69	J-O'B Operating Company	3	3	0	0	Jan 11, 1996	Sep 29, 1997
70	Key Production Co.	3	3	0	0	Jan 25, 1984	Aug 26, 1991
71	Kraker & Martin Energy, L.L.C.	3	3	0	0	Feb 28, 2008	Apr 16, 2009
72	Lasmo Energy Corporation	3	3	0	0	Mar 13, 1991	Mar 13, 1991
73	Locklin Oil Company	3	3	0	0	Sep 29, 1987	Sep 12, 1988
74	Marathon Oil Company	3	3	0	0	Jul 7, 1992	Apr 10, 1996
75	Midroc Operating Company	3	3	0	0	Dec 11, 1980	May 5, 1981
76	Pennzoil Exploration & Prod. Co.	3	3	0	0	Mar 27, 1992	May 13, 1992
77	Rincon Oil Corporation	3	3	0	0	Aug 23, 1988	Aug 18, 1989
78	Roseland Oil & Gas, Inc.	3	3	0	0	May 16, 1983	Apr 12, 1984
79	Silver Tusk Operating Co. LLC	3	3	0	0	Sep 11, 2014	Sep 18, 2014
80	Woolf & Magee, Inc.	3	3	0	0	Dec 12, 1986	Dec 12, 1986
81	Urban Oil & Gas Group, LLC	2	2	0	247	Oct 2, 2025	Feb 20, 2026
82	Ridley Oil Corporation	2	2	0	6	Nov 16, 1989	Mar 10, 1995
83	Gemini Energy, Inc.	2	2	0	3	Dec 13, 2013	Jul 8, 2014
84	Baxter, Murphy H.	2	2	0	2	Jan 3, 1980	May 5, 1980
85	Lone Star Pipeline Company	2	2	0	2	Mar 10, 1997	Mar 10, 1997
86	Ward Oil Co.	2	2	0	2	Jan 20, 1981	Oct 30, 1981
87	Bay-Tech Operating Co., Inc.	2	2	0	1	Apr 6, 1992	Jun 17, 1997
88	BRG Lone Star Ltd.	2	2	0	1	Nov 16, 2017	Sep 11, 2018
89	Esco Oil Operating Company LLC	2	2	0	1	Aug 30, 2023	Mar 14, 2024
90	Forestar Oil & Gas LLC	2	2	0	1	Sep 28, 2011	Sep 28, 2011
91	Quintana Pet. Corp.	2	2	0	1	Jan 18, 1991	Aug 20, 1992
92	Ultra Petroleum (U.S.A.), Inc.	2	2	0	1	Feb 7, 1994	Feb 7, 1994
93	American Hunter Exploration Ltd.	2	2	0	0	Dec 15, 1982	Jan 16, 1984
94	Arcadia Refining Co.	2	2	0	0	Oct 19, 1983	Oct 15, 1985
95	Buccaneer Operating LLC	2	2	0	0	Sep 25, 2012	Nov 16, 2012
96	Clay, Jerry H.	2	2	0	0	Dec 11, 1990	Jun 20, 1991
97	Crow, David	2	2	0	0	Aug 19, 1993	Oct 23, 1997
98	Eagle Land Services Inc	2	2	0	0	Sep 5, 2014	Sep 5, 2014
99	East Texas Drilling Co., Inc.	2	2	0	0	Jul 13, 1979	Sep 19, 1980
100	Enerquest Corporation	2	2	0	0	Aug 20, 2004	Oct 25, 2004
101	Fisher-Webb, Inc.	2	2	0	0	Oct 23, 1978	Oct 23, 1978
102	Fossil Operating, Inc.	2	2	0	0	Aug 28, 2002	Nov 22, 2002
103	Fry Oil & Gas Co.	2	2	0	0	Aug 30, 1985	Aug 30, 1985
104	Getty Oil Co.	2	2	0	0	Apr 7, 1983	May 16, 1983
105	Hansen Oil Corporation	2	2	0	0	Oct 11, 1988	Oct 11, 1988
106	Huber, J. M., Corporation	2	2	0	0	Apr 29, 1987	Apr 29, 1987
107	Kinabrew, W. R.	2	2	0	0	Nov 20, 1978	Oct 30, 1981
108	Lyons Petroleum, Inc.	2	2	0	0	Jun 28, 1978	Nov 20, 1978
109	Mallory, Meredith, Jr.	2	2	0	0	Mar 10, 1986	Mar 18, 1986
110	McMurrey Petroleum, Inc.	2	2	0	0	Feb 22, 1985	Jan 17, 1986
111	Petrocorp Incorporated,a Tx.corp	2	2	0	0	Oct 24, 1996	Jan 2, 1997
112	Phoenix Fund, Inc.	2	2	0	0	Jun 16, 1994	Jul 13, 1994
113	Randall Exploration, LLC	2	2	0	0	Jun 29, 2010	Jan 7, 2011
114	Rosewood Resources, Inc.	2	2	0	0	Apr 25, 1986	Aug 16, 1989
115	Sabine Corporation	2	2	0	0	Nov 23, 1988	Nov 23, 1988
116	Sabio Oil & Gas Inc.	2	2	0	0	Nov 12, 1980	Feb 1, 1982
117	Smith, James E. & Associates,inc	2	2	0	0	Apr 8, 1996	Apr 10, 1996
118	Terra Resources, Inc.	2	2	0	0	May 12, 1987	Feb 3, 1989
119	Texas Oil & Gas Corp.	2	2	0	0	Mar 18, 1981	Apr 28, 1981
120	Triad Energy Corporation	2	2	0	0	Dec 7, 1989	Feb 26, 1990
121	Wilson - Owens Production Co.	2	2	0	0	Apr 11, 1989	Jul 19, 1989
122	Southwest Operating, Inc.-Tyler	1	1	0	33	Nov 6, 2007	Nov 6, 2007
123	Eleon Operators, LLC	1	1	0	5	Jun 16, 2009	Jun 16, 2009
124	Amoco Production Company	1	1	0	2	Dec 11, 1981	Dec 11, 1981
125	Buffco Production Inc.	1	1	0	2	Jun 17, 2010	Jun 17, 2010
126	Exxon Corp.	1	1	0	2	May 2, 1979	May 2, 1979
127	Perryman Exp. and Prod., LLC	1	1	0	2	Nov 7, 2008	Nov 7, 2008
128	Shell Western E&P Inc.	1	1	0	2	Aug 29, 1984	Aug 29, 1984
129	Smackover Shell Ltd. Partnership	1	1	0	2	Nov 22, 1983	Nov 22, 1983
130	Barrow-Shaver Resources Co.	1	1	0	1	Feb 9, 1999	Feb 9, 1999
131	Clark, G. C.	1	1	0	1	Mar 10, 1981	Mar 10, 1981
132	Crystal Oil and Land Co.	1	1	0	1	Aug 16, 1977	Aug 16, 1977
133	Davis Bros. Oil Producers, Inc.	1	1	0	1	Dec 3, 1985	Dec 3, 1985
134	Edge & Moehlmann	1	1	0	1	Jan 20, 1981	Jan 20, 1981
135	Ensource Inc.	1	1	0	1	Sep 20, 1979	Sep 20, 1979
136	Guffey, Roy, Oil Company	1	1	0	1	Aug 5, 1985	Aug 5, 1985
137	Map Production Co., Inc.	1	1	0	1	Dec 19, 2000	Dec 19, 2000
138	Miller Energy, Inc.	1	1	0	1	Feb 16, 1993	Feb 16, 1993
139	Mueller Exploration, Inc.	1	1	0	1	Nov 22, 2013	Nov 22, 2013
140	Phillips, Jack L.	1	1	0	1	Dec 31, 1982	Dec 31, 1982
141	Richey Operating, Inc.	1	1	0	1	Feb 28, 1992	Feb 28, 1992
142	American Cometra, Inc.	1	1	0	0	Jun 6, 1997	Jun 6, 1997
143	Ampak Oil Company	1	1	0	0	Oct 29, 2003	Oct 29, 2003
144	Arbol Resources, Inc.	1	1	0	0	Feb 22, 2000	Feb 22, 2000
145	Atoka Exploration, Inc.	1	1	0	0	Nov 30, 1984	Nov 30, 1984
146	Bishop Petroleum Inc.	1	1	0	0	Jan 9, 1984	Jan 9, 1984
147	Blackbrush O & G, Inc.	1	1	0	0	Jul 14, 2008	Jul 14, 2008
148	Blue Ridge Group, Inc.	1	1	0	0	Jan 18, 2005	Jan 18, 2005
149	Brandon Energy, Inc.	1	1	0	0	Feb 1, 2007	Feb 1, 2007
150	Brasfield Oil & Gas Company	1	1	0	0	Aug 22, 1985	Aug 22, 1985
151	Brown, Tom Inc.	1	1	0	0	Nov 25, 2003	Nov 25, 2003
152	Buckingham Oil Company	1	1	0	0	Oct 22, 1990	Oct 22, 1990
153	Buffton Oil and Gas Inc.	1	1	0	0	Sep 4, 1985	Sep 4, 1985
154	Bullitt Oil	1	1	0	0	Nov 14, 2000	Nov 14, 2000
155	Cabot Petroleum Corporation	1	1	0	0	Jan 26, 1987	Jan 26, 1987
156	Cameron Exploration, Inc.	1	1	0	0	Jul 8, 2026	Jul 8, 2026
157	Caskids Operating Company	1	1	0	0	Dec 16, 1993	Dec 16, 1993
158	CC Northshore, LLC	1	1	1	0	Dec 6, 2016	Dec 6, 2016
159	Chapman Oil	1	1	0	0	Aug 8, 1977	Aug 8, 1977
160	Cico Oil & Gas Company	1	1	0	0	Feb 27, 2015	Feb 27, 2015
161	Circle "M" Energy Inc.	1	1	0	0	Mar 20, 1989	Mar 20, 1989
162	Cole, Floyd	1	1	0	0	Feb 12, 1985	Feb 12, 1985
163	Conoco Inc.	1	1	0	0	Sep 23, 1985	Sep 23, 1985
164	Dale Operating Company	1	1	0	0	Oct 22, 2007	Oct 22, 2007
165	Diamond Shamrock Exploration Co.	1	1	0	0	Feb 14, 1984	Feb 14, 1984
166	Eagle Energy Exploration, Inc.	1	1	0	0	Nov 14, 1988	Nov 14, 1988
167	Eastex Energy Corp.	1	1	0	0	Oct 12, 1983	Oct 12, 1983
168	East Texas Oil & Gas, LLC	1	1	0	0	Jan 22, 2010	Jan 22, 2010
169	East Texas Oil & Gas Oper., LLC	1	1	0	0	Dec 17, 2010	Dec 17, 2010
170	Elf Aquitaine, Inc.	1	1	0	0	Jun 24, 1980	Jun 24, 1980
171	Enteger USA LLC	1	1	0	0	Nov 29, 2004	Nov 29, 2004
172	Fair Oil, Ltd.	1	1	0	0	Oct 5, 1978	Oct 5, 1978
173	Felmont Oil Corp.	1	1	0	0	Nov 29, 1988	Nov 29, 1988
174	Fox and Holland	1	1	0	0	Feb 16, 1984	Feb 16, 1984
175	Genecov Group, Inc. The	1	1	0	0	Jul 9, 1999	Jul 9, 1999
176	Grand Energy, Inc.	1	1	0	0	May 22, 1985	May 22, 1985
177	Griffin Operating, Inc.	1	1	0	0	Oct 3, 2007	Oct 3, 2007
178	Hankamer, Curtis Corporation,the	1	1	0	0	Nov 16, 1983	Nov 16, 1983
179	Heritage Oil Corporation	1	1	0	0	Nov 10, 1986	Nov 10, 1986
180	Hill, Bill & Associates	1	1	0	0	Oct 10, 1986	Oct 10, 1986
181	Hill Production Company	1	1	0	0	Oct 15, 1981	Oct 15, 1981
182	Hill-Smith Production	1	1	0	0	Apr 9, 1979	Apr 9, 1979
183	Hinge Resource Company	1	1	0	0	Aug 1, 1997	Aug 1, 1997
184	H & S Operating, Inc.	1	1	0	0	May 19, 1987	May 19, 1987
185	Hughes & Hughes	1	1	0	0	Apr 18, 1980	Apr 18, 1980
186	Imc Exploraton Co.	1	1	0	0	Jun 10, 1980	Jun 10, 1980
187	Jabb Oil Corporation	1	1	0	0	Apr 9, 1985	Apr 9, 1985
188	J-Car Operating, Inc.	1	1	0	0	Nov 30, 1994	Nov 30, 1994
189	Jones-Obrien, Inc.	1	1	0	0	Sep 13, 1977	Sep 13, 1977
190	Joy Resources, Inc.	1	1	0	0	Jun 25, 2010	Jun 25, 2010
191	KCS Medallion Resources, Inc.	1	1	0	0	Sep 5, 1996	Sep 5, 1996
192	KCS Resources, Inc.	1	1	0	0	Aug 8, 2006	Aug 8, 2006
193	Kenoco, Inc.	1	1	0	0	Dec 16, 1977	Dec 16, 1977
194	Kerr-McGee Corporation	1	1	0	0	Nov 29, 1977	Nov 29, 1977
195	Louisiana Hunter Energy Corp.	1	1	0	0	Dec 5, 1991	Dec 5, 1991
196	Maxima Energy Corporation	1	1	0	0	Apr 18, 2011	Apr 18, 2011
197	McConathy Production Co., Inc.	1	1	0	0	Jan 29, 1987	Jan 29, 1987
198	McCormick Operating Company	1	1	0	0	Oct 7, 1982	Oct 7, 1982
199	Medallion Production Company	1	1	0	0	Sep 5, 1996	Sep 5, 1996
200	Mobley, O. B.	1	1	0	0	Mar 7, 1984	Mar 7, 1984
201	Moon Operating, Inc.	1	1	0	0	Jun 26, 1995	Jun 26, 1995
202	Mosbacher Energy Company	1	1	0	0	Oct 10, 1986	Oct 10, 1986
203	Moseley Petroleum Corp.	1	1	0	0	Dec 30, 1982	Dec 30, 1982
204	Mud Creek Operating, LLC	1	1	0	0	Nov 24, 2025	Nov 24, 2025
205	O'Brien Operating Company	1	1	0	0	Aug 16, 1984	Aug 16, 1984
206	Ocean Energy, Inc.	1	1	0	0	May 30, 2000	May 30, 2000
207	Oil & Gas Reserves, Inc.	1	1	0	0	Nov 20, 1984	Nov 20, 1984
208	Owens, Harry J.	1	1	0	0	Jul 14, 1986	Jul 14, 1986
209	Penn Resources, Inc.	1	1	0	0	Aug 15, 1984	Aug 15, 1984
210	Penn Resources Inc & Magna Oil	1	1	0	0	Mar 19, 1985	Mar 19, 1985
211	Petrocorp Incorporated	1	1	0	0	Oct 10, 1985	Oct 10, 1985
212	Petroleum Land Services	1	1	0	0	Oct 2, 1984	Oct 2, 1984
213	Phillips Energy, Inc.	1	1	0	0	Oct 16, 2002	Oct 16, 2002
214	Phillips Petroleum Company	1	1	0	0	Oct 20, 1986	Oct 20, 1986
215	Phylko Energy Corporation	1	1	0	0	Feb 3, 1989	Feb 3, 1989
216	Pickens Company, Inc., The	1	1	0	0	Jul 31, 1986	Jul 31, 1986
217	Pierce, Willie Oil & Gas Corp.	1	1	0	0	Oct 23, 1985	Oct 23, 1985
218	Pitts Oil Co.-Dallas Prod. Inc.	1	1	0	0	Nov 6, 1984	Nov 6, 1984
219	Powell, Gene Investments, Inc.	1	1	0	0	Apr 23, 1985	Apr 23, 1985
220	P-R-O Management, Inc.	1	1	0	0	Jun 12, 1992	Jun 12, 1992
221	Quadra Oil & Gas, Inc.	1	1	0	0	Nov 8, 1985	Nov 8, 1985
222	R & C Petroleum, Inc.	1	1	0	0	Sep 5, 1990	Sep 5, 1990
223	Realitos Energy Corp.	1	1	0	0	May 12, 1982	May 12, 1982
224	Rife Oil Properties, Inc.	1	1	0	0	Apr 24, 1978	Apr 24, 1978
225	Rincon Production Co., Inc.	1	1	0	0	Sep 27, 1989	Sep 27, 1989
226	RO-JO, Inc.	1	1	0	0	May 17, 1990	May 17, 1990
227	Roosth & Genecov Production Co.	1	1	0	0	Apr 24, 1985	Apr 24, 1985
228	Roosth Production Co.	1	1	0	0	May 10, 2000	May 10, 2000
229	Russell, G. W.	1	1	0	0	Dec 23, 1985	Dec 23, 1985
230	Sand Springs Oil & Gas Co.	1	1	0	0	Oct 31, 2018	Oct 31, 2018
231	Seagull Energy E&P Inc.	1	1	0	0	Feb 7, 2000	Feb 7, 2000
232	S M K Petroleum Corporation	1	1	0	0	Mar 27, 1981	Mar 27, 1981
233	Sone Energy Corporation	1	1	0	0	Apr 24, 1992	Apr 24, 1992
234	Stallworth Oil&gas-Univresources	1	1	0	0	May 10, 1984	May 10, 1984
235	St. Mary Land & Exploration Co.	1	1	0	0	Jan 5, 2006	Jan 5, 2006
236	Suemaur Expl. & Prod., LLC	1	1	0	0	Apr 26, 2010	Apr 26, 2010
237	Sundance Oil Company	1	1	0	0	Oct 5, 1978	Oct 5, 1978
238	Sun Expl. & Prod. Co.-Longview	1	1	0	0	Apr 26, 1984	Apr 26, 1984
239	Texas Crude, Inc.	1	1	0	0	Oct 31, 1979	Oct 31, 1979
240	Trend Resources Limited	1	1	0	0	May 30, 1984	May 30, 1984
241	Union Expl. Partners, Ltd.	1	1	0	0	Jun 15, 1990	Jun 15, 1990
242	Universal Resources Corp.	1	1	0	0	May 23, 1984	May 23, 1984
243	Unocal Exploration Corporation	1	1	0	0	Jun 10, 1991	Jun 10, 1991
244	Vega Petroleum Corporation	1	1	0	0	Dec 22, 1978	Dec 22, 1978
245	Wessely Exploration Company	1	1	0	0	Oct 13, 1987	Oct 13, 1987
246	Wesson Energy-Dallas Prod. Inc.	1	1	0	0	Oct 26, 1990	Oct 26, 1990
247	Williamson, Don B.	1	1	0	0	May 17, 1984	May 17, 1984
248	ZX Oil Company	1	1	0	0	Jul 11, 1983	Jul 11, 1983
249	Wilson-Owens Production Company	—	0	0	131	—	—
250	United Oil & Shale LLC	—	0	0	20	—	—
251	84 Energy LLC	—	0	0	17	—	—
252	Lone Star Prod. Co.	—	0	0	14	—	—
253	Atlas Operating LLC	—	0	0	9	—	—
254	Atlantis Oil Company Inc.	—	0	0	8	—	—
255	Sanders Properties Inc.	—	0	0	7	—	—
256	Tactical Operating Company LLC	—	0	0	7	—	—
257	Brooks Pipe & Supply Co.	—	0	0	6	—	—
258	Green River Resources Inc.	—	0	0	5	—	—
259	C6 Operating L.L.C.	—	0	0	4	—	—
260	Clemco	—	0	0	4	—	—
261	Enr Operating LLC	—	0	0	4	—	—
262	Murchison J. W.	—	0	0	4	—	—
263	Smackover Oil Treaters Ltd.	—	0	0	4	—	—
264	Tenison Oil Company	—	0	0	4	—	—
265	US Energy Holdings LLC	—	0	0	4	—	—
266	Cinron Energy LLC	—	0	0	3	—	—
267	Formation Resour Field Svcs LLC	—	0	0	3	—	—
268	Fortune Resources LLC	—	0	0	3	—	—
269	John P. Bogdanich Operating LLC	—	0	0	3	—	—
270	Speller & Associates Inc.	—	0	0	3	—	—
271	Vanguard Operating LLC	—	0	0	3	—	—
272	Wideman Ronald	—	0	0	3	—	—
273	Allison/Hobbs Inc.	—	0	0	2	—	—
274	Amerada Hess Corporation	—	0	0	2	—	—
275	Atlantic Richfield Co.	—	0	0	2	—	—
276	Flash Gas & Oil Southwest Inc.	—	0	0	2	—	—
277	HD Operating Co LLC	—	0	0	2	—	—
278	New Horizon Resources LLC	—	0	0	2	—	—
279	Sandel Operating Company	—	0	0	2	—	—
280	Supreme Energy Company Inc.	—	0	0	2	—	—
281	Trek Resources Inc.	—	0	0	2	—	—
282	1984 Operating Company L.L.C.	—	0	0	1	—	—
283	Bonanza Oil Corp.	—	0	0	1	—	—
284	Brammer Supply Inc.	—	0	0	1	—	—
285	Burk Royalty Company	—	0	0	1	—	—
286	Byng Energy Group Inc.	—	0	0	1	—	—
287	Chase Inc.	—	0	0	1	—	—
288	Cities Service Oil Co.	—	0	0	1	—	—
289	Coffman Thomas D. Inc.	—	0	0	1	—	—
290	Craton Operating LLC	—	0	0	1	—	—
291	Dyersdale Production Co Inc.	—	0	0	1	—	—
292	Easterling James M. Jr.	—	0	0	1	—	—
293	Eex Corporation	—	0	0	1	—	—
294	Eqv Operating LLC	—	0	0	1	—	—
295	Faulconer Vernon E.	—	0	0	1	—	—
296	Germany E. B. & Sons a TX Corp	—	0	0	1	—	—
297	Gulf Oil Corp.	—	0	0	1	—	—
298	Hanson Production Company	—	0	0	1	—	—
299	H & B Operating Co.	—	0	0	1	—	—
300	Herd Producing Company Inc.	—	0	0	1	—	—

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