COUNTIES · HARRIS · OPERATORS

Harris 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	Exxon Corp.	681	681	0	381	Jun 24, 1977	Aug 20, 1999
2	Tortuga Operating Company	89	89	0	108	Mar 23, 1984	Oct 21, 2022
3	Amoco Production Company	88	88	0	116	Jun 20, 1977	Mar 13, 1991
4	Denbury Onshore, LLC	79	79	5	11	Jan 31, 2013	Jul 26, 2022
5	Homestead Drlg. & Prod. Co., Inc	76	76	0	0	Dec 6, 1977	May 9, 1984
6	Marathon Resources, Inc.	56	56	0	0	Sep 9, 1982	Jul 15, 1983
7	Ballard Exploration Company,inc.	53	53	1	36	Sep 12, 1983	May 24, 2024
8	Hamman Oil & Refining Company	51	51	0	16	Jul 11, 1977	Jul 8, 2011
9	Pringle Petroleum, Inc.	51	51	0	9	Jun 13, 1977	Apr 3, 1986
10	Etoco Incorporated	37	37	0	7	Feb 28, 1996	Mar 7, 2005
11	Exxon Mobil Corporation	36	36	0	39	Jul 20, 2000	Apr 25, 2013
12	Amerada Hess Corporation	35	35	0	40	Jun 2, 1978	Feb 13, 1995
13	Marshall, A. B.	33	33	0	7	Aug 29, 1977	Nov 7, 1994
14	Risien, H. V.	33	33	0	5	Jun 22, 1977	Aug 3, 1981
15	Enron Oil & Gas Company	33	33	0	2	Aug 19, 1987	May 19, 1999
16	Chevron U. S. A. Inc.	32	32	0	265	Feb 13, 1986	Mar 25, 1997
17	Texaco E & P Inc.	31	31	0	19	Oct 5, 1993	Nov 16, 2000
18	Jwa Oil Company Inc.	31	31	0	7	Feb 2, 1981	Jul 2, 1984
19	Mobil Oil Corporation	31	31	0	0	Apr 14, 1980	Oct 7, 1981
20	McCarter, A. Nelson	30	30	0	11	Jun 15, 1981	Aug 13, 1992
21	Acco Oil & Gas Company	29	29	0	18	Aug 5, 1977	Oct 7, 1991
22	HNG Fossil Fuels Company	28	28	0	3	May 23, 1980	Dec 2, 1986
23	Tandem Energy Corporation	27	27	0	80	Aug 19, 2002	Sep 10, 2007
24	Columbus Energy Corp.	27	27	1	13	Oct 20, 1988	Jul 13, 1998
25	Enderli Oil Company, Inc	27	27	0	5	Sep 2, 1982	Dec 9, 1993
26	Pcu, Inc. of Texas	26	26	0	1	Jun 21, 1979	Jun 29, 1984
27	Texaco Inc.	23	23	0	70	Aug 18, 1977	Aug 26, 1986
28	American Crude, Inc.	22	22	0	1	May 2, 1980	Jun 13, 1983
29	Morgan Enterprises, Inc.	21	21	0	17	Aug 20, 2004	Oct 28, 2015
30	Gulf Oil Corp.	20	20	0	11	May 10, 1978	Jun 11, 1985
31	Brammer Engineering, Inc.	20	20	0	6	Oct 29, 2002	Dec 1, 2008
32	Texas American Resources Company	19	19	1	16	Oct 31, 2002	May 27, 2005
33	KCS Resources, Inc.	19	19	0	1	May 12, 1997	Mar 12, 2007
34	Anloc, LLC	19	19	0	0	Feb 18, 2009	Oct 30, 2015
35	Joy Resources, Inc.	17	17	0	6	Apr 5, 2000	Jul 27, 2010
36	Sanchez Oil & Gas Corporation	16	16	0	7	Nov 13, 1998	Jul 31, 2007
37	Kilroy Company of Texas, Inc.	16	16	0	4	Jul 24, 1978	Apr 5, 1989
38	Goldking Prod. Co.	16	16	0	0	Nov 25, 1981	Jul 25, 1996
39	Hanson Production Company	16	16	0	0	Oct 19, 1993	Jan 17, 1997
40	Baker Atlas	15	15	0	10	May 9, 2000	Feb 8, 2013
41	Tartan Resources Corporation	15	15	0	6	Feb 22, 1983	Sep 22, 1986
42	Quadrant Exploration, Inc.	15	15	0	5	Aug 13, 1979	Sep 19, 1979
43	Cobra Operating Company	15	15	0	3	Oct 31, 1995	Oct 19, 2001
44	Global Natural Resources Corp.	15	15	0	0	May 2, 1986	Nov 21, 1997
45	Foothills Texas, Inc.	14	14	0	22	Jul 26, 2007	Jan 21, 2015
46	Mengden, W.	14	14	0	0	Jun 10, 1977	Oct 5, 1984
47	Seco Petroleum Corp	13	13	0	18	Feb 28, 1978	Jun 23, 1983
48	Mesquite Prod. & Explor., Inc.	13	13	0	3	Jun 25, 1980	Jan 28, 1986
49	Stockard, W. A.	13	13	0	1	Oct 19, 1977	Jul 17, 1984
50	Pennzoil Petroleum Company	13	13	0	0	Mar 18, 1992	Feb 4, 1994
51	American Energy Op. Corp.,the	12	12	0	14	May 1, 1995	Jun 29, 1995
52	Maguire Oil Company	12	12	0	8	Aug 8, 1978	Mar 17, 1994
53	Mobil Producing TX. & N.M. Inc.	12	12	0	1	Feb 2, 1987	May 22, 2001
54	Minex, Inc.	12	12	0	0	Aug 3, 1984	Jul 11, 1985
55	Northwest Energy, Inc.	11	11	0	15	Jun 12, 1987	Sep 22, 1989
56	Josey, Lenoir M., Inc.	11	11	0	14	Nov 28, 1988	Jan 16, 1997
57	Benchmark Oil & Gas Co.	11	11	0	2	Sep 27, 1979	Mar 26, 1999
58	M & R Exploration Company	11	11	1	2	Jun 12, 1990	Apr 22, 1994
59	W. R. G. Oil & Gas, Inc.	11	11	0	2	Aug 28, 1980	Jun 13, 1991
60	Tortuga Oil and Mineral	11	11	0	1	Mar 12, 1980	Jan 21, 1983
61	Eastex Gas Production Co.	11	11	0	0	Nov 14, 1980	Jan 5, 1989
62	Gaither Petroleum Corporation	10	10	0	107	Mar 10, 1994	Oct 3, 2002
63	Ipact	10	10	0	11	Dec 1, 2003	Jul 5, 2006
64	Chain Oil & Gas, Inc.	10	10	0	7	Jul 18, 1991	Dec 10, 1993
65	Phoenix Hydrocarbons Operating	10	10	0	6	Mar 1, 2004	Oct 5, 2016
66	Puls, W. L.	10	10	0	6	Feb 26, 1979	Apr 23, 1991
67	Lone Wolf Operating Company	10	10	0	3	Aug 27, 2002	May 13, 2005
68	New Century Exploration, Inc.	10	10	0	3	May 2, 2003	Jan 4, 2012
69	Carnegie Financial Corp.	10	10	0	2	Jun 4, 1992	May 15, 1995
70	Lgdc Corporation	10	10	0	1	May 21, 2004	Jul 28, 2008
71	Coastal Oil & Gas Corporation	9	9	0	13	Sep 30, 1980	Aug 22, 1986
72	Pennzoil Producing Co.	9	9	0	5	Mar 22, 1978	May 9, 1986
73	M. J. G., Inc.	9	9	0	1	Mar 19, 1998	May 1, 2000
74	Micro Oil Co.	9	9	0	0	Aug 8, 1984	May 21, 1986
75	O'Brien, Garic	9	9	0	0	Aug 18, 1980	Oct 6, 1980
76	Tandem Oil Inc.	9	9	0	0	Aug 4, 1983	Oct 4, 1985
77	Thornberry Oilfield Service, Inc	9	9	0	0	Jun 13, 1995	Oct 31, 2000
78	Petroleum Corporation of Texas	8	8	0	15	May 29, 1980	Aug 31, 1981
79	HNG Oil Company	8	8	0	8	Sep 19, 1983	Jan 17, 1986
80	French Production Incorporated	8	8	0	2	Feb 24, 1993	Jan 22, 1996
81	Neumin Production Company	8	8	0	2	Nov 1, 1979	Mar 23, 2004
82	Dome Energy Corporation	8	8	0	0	Sep 18, 1985	Jul 10, 1986
83	Energon Corporation	8	8	0	0	Jun 2, 1981	Dec 8, 1981
84	Forney, Bill, Inc.	8	8	0	0	Aug 23, 1977	Jun 30, 1978
85	Harris Production, Ltd.	8	8	0	0	Aug 12, 1980	Jun 21, 1983
86	Peles, LLC	8	8	8	0	Jul 15, 2020	Aug 5, 2021
87	Riley, Jim	8	8	0	0	Jul 28, 1977	Jun 18, 1981
88	Etoco, L.P.	7	7	0	16	Sep 15, 2005	Oct 6, 2010
89	Shell Oil Company	7	7	0	6	Jul 1, 1977	Jan 22, 1985
90	Anderson Producing, Inc	7	7	0	5	Oct 27, 1977	Apr 29, 1981
91	Frio Exploration Company	7	7	0	3	Aug 9, 1982	Jan 24, 1985
92	McCarter, A. Nelson, Inc.	7	7	0	3	Nov 17, 1977	Aug 9, 1983
93	Famcor Oil, Inc	7	7	0	1	Apr 12, 1994	Aug 8, 2006
94	Crest Resources & Expl. Corp.	7	7	0	0	Jan 28, 1980	Jun 25, 1992
95	Geotech Energy Corp.	7	7	0	0	Apr 22, 1987	Dec 9, 1987
96	Nufuels Corporation	7	7	0	0	Jan 13, 1982	Jan 13, 1982
97	Americo Energy Resources, LLC	6	6	0	42	Feb 15, 2001	Nov 26, 2002
98	Field, James R.	6	6	0	21	Nov 13, 1978	Feb 26, 1982
99	Sonora Petroleum Corp.	6	6	0	5	Dec 4, 1991	Oct 23, 1998
100	Plaza Oil & Gas, Inc.	6	6	0	3	Nov 16, 1983	Jun 24, 1986
101	Kaiser-Francis Oil Company	6	6	0	2	Jun 12, 1991	Dec 21, 2011
102	American Energy Sources, Inc.	6	6	0	1	May 17, 1996	Jan 17, 2003
103	Consolidated Oil & Gas, Inc.	6	6	0	1	Sep 5, 1979	Dec 31, 1981
104	Graham Royalty, Ltd.	6	6	0	1	Aug 29, 1988	Nov 7, 1991
105	Anderson,t.g. & Bowman,e.l.	6	6	0	0	Nov 29, 1978	Apr 2, 1980
106	Chevron Resources Co.	6	6	0	0	Nov 14, 1978	Nov 14, 1978
107	Davis Oil Company	6	6	0	0	Oct 4, 1977	Mar 4, 1982
108	Dow Chemical Co., The	6	6	0	0	Jan 22, 1981	Dec 31, 1981
109	Enserch Exploration, Inc	6	6	0	0	Dec 12, 1977	Nov 12, 1997
110	Great Western Minerals Inc.	6	6	0	0	Jul 13, 1983	Jun 15, 1984
111	Nerco Oil & Gas Production Co.	6	6	0	0	Oct 9, 1989	Mar 3, 1992
112	Rockport Resources, Inc.	6	6	0	0	Dec 13, 1978	Dec 15, 1978
113	Tarmac Petroleum Co.	6	6	0	0	Dec 2, 1981	Jun 21, 1983
114	Petroleum Resources of Texas,inc	5	5	0	24	Sep 17, 1986	Sep 17, 1986
115	Texcolada Oil Co.	5	5	0	8	Aug 1, 1977	May 27, 1982
116	Martin Oil & Gas Co.	5	5	0	7	Nov 18, 1977	Aug 26, 1980
117	Eastern Oil Corporation	5	5	0	6	Dec 7, 1989	May 18, 1994
118	Houston Hydrocarbons, Inc. (A)	5	5	0	5	Jul 12, 1988	Jul 21, 1992
119	Enterprise Resources, Inc.	5	5	0	4	Jun 8, 1981	Jun 24, 1985
120	KP Exploration, Inc.	5	5	0	3	Oct 22, 1985	Jul 17, 1990
121	Primal Energy Corporation	5	5	0	3	Dec 5, 2003	Aug 10, 2005
122	Apache Corporation	5	5	0	2	Mar 8, 1996	Nov 17, 1997
123	Sanol, Inc.	5	5	0	2	Aug 27, 1982	Jul 29, 1988
124	Amend Energy Company	5	5	0	1	Dec 2, 1987	Feb 13, 1991
125	Barnhart Co.	5	5	0	1	Oct 23, 1991	Aug 11, 1992
126	Gulfstream Petroleum Corp.	5	5	0	1	Jul 27, 1984	Nov 8, 1985
127	Mahada Energy Corporation	5	5	0	1	Aug 8, 1983	Jan 7, 1985
128	Maralo, Inc.	5	5	0	1	Aug 24, 1992	Nov 30, 1994
129	Pennzoil Exploration & Prod. Co.	5	5	0	1	Jan 22, 1980	Feb 26, 1996
130	Secondary Gas Recovery Inc.	5	5	0	1	Mar 24, 1980	Apr 4, 1983
131	A-N-A Operating Company, Inc.	5	5	0	0	May 13, 1994	Sep 14, 1994
132	Clover Energy Corporation	5	5	0	0	Dec 4, 1978	Nov 2, 1981
133	Fairway Energy Partners, LLC	5	5	0	0	Oct 12, 2012	May 25, 2016
134	Haggard & Assoc., Inc.	5	5	0	0	Jan 4, 1980	May 18, 1981
135	Live Oak OP & Production, L.L.C.	5	5	0	0	Sep 2, 2009	Jan 15, 2010
136	Millican Oil Company	5	5	0	0	Jul 7, 1977	Sep 21, 1977
137	Pamale Petroleum Co.	5	5	0	0	Apr 3, 1979	Dec 31, 1980
138	Pax Petroleum Corporation	5	5	0	0	Jun 28, 1994	Oct 24, 1994
139	Pierce Junction Petroleum Inc.	5	5	0	0	Apr 12, 1983	Apr 12, 1983
140	Quintex Petroleum Corp.	5	5	0	0	Dec 2, 1981	Feb 15, 1984
141	Texas City Refg. Inc.	5	5	0	0	Jun 22, 1977	Sep 10, 1982
142	Vicksburg Oil Corp.	5	5	0	0	Jul 16, 1981	Dec 31, 1982
143	EOG Resources, Inc.	4	4	0	15	Oct 28, 1999	Feb 28, 2006
144	Intercity Management Corp.	4	4	0	13	Mar 3, 1980	Dec 13, 1982
145	Texas Oil Resources Oper, LLC	4	4	0	12	Jan 29, 2018	Oct 23, 2020
146	Houston Pipe Line Company	4	4	0	11	Jul 13, 1998	Jul 13, 1998
147	Legend Natural Gas II, LP	4	4	0	11	Aug 4, 2006	Oct 9, 2009
148	Merit Energy Company	4	4	0	9	Feb 11, 1997	Dec 16, 1999
149	Mitchell Energy Corporation	4	4	0	8	Oct 21, 1981	Jan 29, 1985
150	Wilmar Oil Co., Inc.	4	4	0	4	Nov 6, 1980	Nov 25, 1981
151	Kelly-Brock	4	4	0	3	Jul 28, 1977	Aug 10, 1983
152	Damson Oil Corp.	4	4	0	2	Nov 21, 1980	May 18, 1982
153	Geo Engineering, Inc.	4	4	0	2	Nov 3, 1994	Nov 9, 2001
154	Intercoastal Operating Company	4	4	0	2	Jun 10, 1977	Sep 21, 1977
155	Western Energy Group, LLC	4	4	0	2	May 12, 2010	Feb 13, 2014
156	Williams, H. E.	4	4	0	2	Oct 10, 1979	Jun 23, 1988
157	Caskids Operating Company	4	4	0	1	Jul 20, 1995	Jan 30, 2012
158	Hester, B. M.	4	4	0	1	Sep 30, 1977	Jun 14, 1979
159	Huffington, Roy M., Inc.	4	4	0	1	Jan 10, 1980	Mar 14, 1980
160	Jackson Exploration, Inc.	4	4	0	1	Sep 23, 1981	May 4, 1984
161	King Exploration & Dev. Co.	4	4	0	1	Jul 12, 1984	Jan 27, 1986
162	Rise Petroleum Investments LLC	4	4	0	1	Mar 6, 2023	Aug 11, 2026
163	Seahorse Oil Company	4	4	0	1	Sep 30, 1980	Dec 28, 1982
164	Tabbs Bay Production Company	4	4	0	1	Jan 27, 1999	Aug 22, 2000
165	WBR, Inc.	4	4	0	1	Mar 24, 1992	Jun 4, 1992
166	Arkla Exploration Co.	4	4	0	0	Apr 24, 1991	Aug 18, 1992
167	Capital Energy Corp.	4	4	0	0	Dec 18, 1979	Jan 10, 1980
168	Carrizo Oil & Gas, Inc.	4	4	0	0	Jul 28, 2006	Jul 23, 2008
169	Ellstrom Energy Company	4	4	0	0	Mar 14, 1986	Apr 8, 1987
170	Ginther, N. C.	4	4	0	0	Aug 9, 1977	Mar 26, 1986
171	Goree Energy Development Corp.	4	4	0	0	Sep 24, 1987	Dec 11, 1987
172	Hansford, Carl E.	4	4	0	0	Aug 29, 1977	Dec 12, 1977
173	Lammerts, Robert P.	4	4	0	0	Mar 18, 1981	Feb 24, 1983
174	Mojac Energy Corp.	4	4	0	0	Jun 13, 1988	Jun 29, 1990
175	MW Petroleum Corporation	4	4	0	0	Aug 4, 1994	Aug 29, 1995
176	NL Industries, Inc.	4	4	0	0	Oct 9, 1979	Oct 3, 1980
177	Strata Resources	4	4	0	0	Sep 30, 1991	Jun 3, 1992
178	W D Land & Oil Developement,inc.	4	4	0	0	Oct 6, 1983	Oct 6, 1983
179	Webb, Pearson	4	4	0	0	Feb 6, 1979	Feb 23, 1981
180	Wingler, Sharp & Stowe	4	4	0	0	Aug 16, 1988	May 25, 1993
181	Wood Energy Corporation	4	4	0	0	Jul 8, 1996	Mar 18, 1997
182	Milagro Exploration, LLC	3	3	0	23	May 21, 2008	Feb 15, 2013
183	Wood Energy Corporation	3	3	0	13	Sep 4, 1998	Sep 4, 1998
184	Osborn,w.b. Oil & Gas Operations	3	3	0	10	Jul 13, 2000	May 20, 2003
185	Mse Operating Corp.	3	3	0	7	Nov 25, 1991	Jul 19, 1995
186	Josey Oil Company, Ltd.	3	3	0	5	Apr 10, 2012	Sep 23, 2015
187	Palace Exploration Company	3	3	0	4	Sep 8, 1999	May 15, 2001
188	Wagner Oil Company	3	3	0	3	May 2, 2000	Jul 24, 2019
189	B & M Operating Co., Inc.	3	3	0	2	Apr 23, 1979	Sep 29, 1981
190	Daniels Corporation, The	3	3	0	2	Jun 5, 1991	Sep 7, 1995
191	Elliott Oil & Gas Operating Co.	3	3	0	2	Aug 28, 2014	Feb 25, 2015
192	Inexco Oil Company	3	3	0	2	Jul 29, 1981	May 18, 1983
193	JMC Resources Corp.	3	3	0	2	Apr 21, 1989	Apr 18, 2005
194	Petro-Tex Petroleum Company	3	3	0	2	Jun 3, 1982	Sep 13, 1984
195	Riseden Services, Inc.	3	3	0	2	Oct 22, 1990	Jul 24, 1992
196	Anschutz Exploration Corporation	3	3	0	1	Jun 17, 1996	Jun 13, 2000
197	Champlin Petroleum Co.	3	3	0	1	Mar 24, 1980	Jun 16, 1981
198	Cox & Perkins Exploration, Inc.	3	3	0	1	Apr 23, 1997	Apr 14, 1998
199	Merlin Petroleum Company	3	3	0	1	Oct 6, 1983	Aug 12, 1985
200	Prime Natural Resources Inc	3	3	0	1	Jun 26, 2000	Feb 5, 2001
201	TXO Production Corp.	3	3	0	1	Oct 13, 1983	Aug 24, 1989
202	American Hunter Exploration Ltd.	3	3	0	0	May 5, 1987	Dec 14, 1988
203	BHP Petroleum (Americas) Inc.	3	3	0	0	Aug 28, 1987	Feb 9, 1989
204	Bock & Bacon	3	3	0	0	Jul 25, 1980	Oct 30, 1986
205	Brenham Drilling Co.	3	3	0	0	Aug 26, 1977	Sep 15, 1977
206	Coastal States Crude Gath. Co.	3	3	1	0	May 16, 1989	Jan 12, 1998
207	Direct Petroleum Expl. Inc.	3	3	0	0	Feb 23, 2007	Aug 13, 2008
208	Frenco, Inc.	3	3	0	0	Mar 26, 1986	Aug 8, 1990
209	Jamex, Inc.	3	3	0	0	Jul 22, 2003	Apr 15, 2005
210	Kinder Morgan Texas Pipeline LLC	3	3	0	0	Jul 31, 2014	May 27, 2015
211	Leger Production Co., Inc.	3	3	0	0	May 3, 1983	Mar 22, 1985
212	McDay Energy Corp.	3	3	0	0	Oct 21, 1993	Dec 30, 1993
213	McDrilling Company, Inc	3	3	0	0	Feb 23, 1978	Sep 11, 1979
214	Neal Drilling Company	3	3	0	0	Jun 9, 1977	Mar 25, 1981
215	Nicklos Oil & Gas Company	3	3	0	0	Jul 20, 1977	Apr 18, 1980
216	Petrodome Operating, LLC	3	3	0	0	Apr 8, 2010	Jul 30, 2010
217	Petro Vest, Inc.	3	3	0	0	Jul 14, 1999	Apr 28, 2011
218	Phillips Petroleum Company	3	3	0	0	Aug 8, 1986	Dec 20, 1989
219	Riseden, Ltd.	3	3	0	0	Dec 30, 1983	May 8, 1985
220	Schlumberger Offshore Services	3	3	0	0	Jan 14, 1982	May 29, 1985
221	Seagull Energy E&P Inc.	3	3	0	0	Mar 31, 1993	Sep 13, 2000
222	Sierra Reserve Company	3	3	0	0	Jul 10, 1981	Nov 16, 1982
223	Smith Production Inc.	3	3	0	0	Sep 4, 1998	Aug 15, 2008
224	T E D Enterprises, Inc.	3	3	0	0	Dec 28, 1979	Nov 12, 1980
225	Tejas Gas Pipeline Company	3	3	0	0	Jun 23, 1997	Aug 6, 1997
226	Texana Operating Company	3	3	0	0	Apr 18, 1990	Nov 14, 1995
227	Texana Resources Corp.	3	3	0	0	Jun 9, 1981	Feb 5, 1982
228	Texas Crude Exploration, Inc.	3	3	0	0	Oct 29, 1982	Sep 21, 1984
229	Trio Exploration, Inc.	3	3	0	0	Dec 14, 1983	May 25, 1984
230	Varnadore Exploration Company	3	3	0	0	Jul 16, 1984	Jul 16, 1984
231	Wes Enterprises, Inc.	3	3	0	0	Jul 21, 1980	Oct 30, 1980
232	Galloway Lone Star, L.L.C.	2	2	0	9	Oct 28, 2016	Aug 16, 2023
233	Universal Petroleum Corporation	2	2	0	8	Dec 15, 1981	Aug 11, 1986
234	Realitos Energy Corp.	2	2	0	6	Jul 22, 1977	Jun 18, 1980
235	McRae Exploration & Prod., Inc.	2	2	0	5	Mar 2, 1994	Nov 22, 1995
236	Gordy Oil Company	2	2	0	4	Mar 4, 2010	Mar 16, 2023
237	Houston Oil & Minerals Corp.	2	2	0	4	Mar 3, 1982	Aug 30, 1982
238	Roberts, William B., Inc.	2	2	0	4	Feb 21, 1978	Mar 22, 1978
239	Marquee Corporation	2	2	0	3	Jan 22, 1993	Jan 20, 2006
240	Nabors Drilling Tech USA, Inc.	2	2	0	3	Aug 18, 2014	Mar 8, 2023
241	All American Ops LLC	2	2	0	2	Apr 2, 2024	Apr 26, 2024
242	Black Gold Oil Co.	2	2	0	2	Jun 27, 1978	Dec 30, 1983
243	CH4 Energy II, LLC	2	2	0	2	Jun 22, 2011	Feb 7, 2012
244	Elliott Oil & Gas Company	2	2	0	2	Apr 24, 1991	May 14, 1991
245	Hanson Minerals Co.	2	2	0	2	Mar 2, 1981	May 21, 1993
246	Mainland Petroleum Co., Inc.	2	2	0	2	Dec 11, 1984	Dec 11, 1984
247	Marine Contrac. & Supply, Inc.	2	2	0	2	Jun 9, 1980	Jun 24, 1980
248	Targa Downstream LLC	2	2	0	2	Feb 20, 2015	Feb 28, 2019
249	Anadarko Production Company	2	2	0	1	Aug 15, 1979	Oct 30, 1980
250	Bailey Petroleum, Inc.	2	2	0	1	Aug 20, 1997	Feb 22, 2006
251	Brown, J. K. Inc.	2	2	0	1	Mar 10, 1994	Apr 3, 1995
252	CSL Exploration, LP	2	2	0	1	Aug 12, 2015	Aug 25, 2015
253	Home Petroleum Corporation	2	2	0	1	Feb 23, 1981	Feb 6, 1985
254	Kebo Oil & Gas, Inc.	2	2	0	1	Dec 31, 2018	Oct 4, 2019
255	Mineral Development Co., Ltd.	2	2	0	1	Dec 18, 1978	Oct 30, 1986
256	Mineral Development Co.,ltd. #3	2	2	0	1	Apr 16, 1981	Apr 19, 1982
257	Rio Bravo Oil Company	2	2	0	1	Dec 10, 1982	Nov 19, 1990
258	Sun Exploration & Production Co.	2	2	0	1	Jan 24, 1979	Apr 19, 1984
259	Union Crude Operating Co.	2	2	0	1	Nov 16, 2000	Jan 2, 2001
260	Alamo Operating Company, L. C.	2	2	0	0	Oct 7, 2004	Oct 13, 2009
261	Allied Production Corp.	2	2	0	0	Jan 24, 1980	Mar 16, 1981
262	Amcole Energy Corp.	2	2	0	0	Oct 27, 1980	Nov 12, 1980
263	Anderson Petro-Equipment, Inc.	2	2	0	0	Jul 24, 1986	Jan 7, 1987
264	Anderson, T.G.	2	2	0	0	Mar 11, 1980	Jun 24, 1980
265	Arnold, Jerry W.	2	2	0	0	Jul 22, 1977	Feb 2, 1981
266	Ayco Energy Exploration, LLC	2	2	0	0	Sep 2, 2008	Sep 9, 2008
267	Chaparral Energy, L.L.C.	2	2	0	0	Aug 27, 2009	Jul 20, 2010
268	Cypress Energy Development Co	2	2	0	0	Aug 1, 1988	Mar 30, 1990
269	Daniel Oil Co.	2	2	0	0	Nov 29, 1979	Nov 10, 1982
270	Daubert Operating. L.L.C.	2	2	0	0	Sep 29, 1999	Jun 18, 2002
271	Duncan Energy LLC	2	2	0	0	Mar 13, 2007	Nov 9, 2009
272	Franz, Ralph D. Enterprises Inc.	2	2	0	0	Sep 23, 1977	Sep 23, 1977
273	Gas Producing Enterprises, Inc.	2	2	0	0	Mar 13, 1978	Apr 27, 1978
274	G & D Energy, Inc.	2	2	0	0	Sep 3, 1982	Jan 27, 1983
275	Gould Oil Inc.	2	2	0	0	Jun 6, 1980	Sep 16, 1985
276	Great Southwest Oil & Gas Co.	2	2	0	0	Oct 7, 1977	Jan 27, 1978
277	Halliburton Energy Services	2	2	0	0	Jul 23, 1999	Jul 23, 1999
278	Herlion Production Company	2	2	0	0	Jul 27, 1982	Aug 19, 1982
279	Hew-Tex Oil and Gas Corporation	2	2	0	0	Jul 3, 1991	Jul 15, 1991
280	Hilty Interests, Inc.	2	2	0	0	Dec 3, 1984	May 20, 1985
281	Honcho International Corp.	2	2	0	0	Aug 8, 1978	Mar 28, 1979
282	Houston Expl. & Prod. Co., Inc.	2	2	0	0	Sep 26, 1989	Jun 1, 1993
283	Intrepid Petroleum Corporation	2	2	0	0	Jul 22, 1985	Sep 23, 1985
284	J-W Operating Co.	2	2	0	0	Dec 13, 1977	Jul 10, 1986
285	Kennedy, Ron	2	2	0	0	Nov 19, 1982	Oct 5, 1983
286	Kirk, Paul	2	2	0	0	Apr 3, 1978	Apr 10, 1979
287	Lemarco Operating, Inc.	2	2	0	0	Nov 14, 1989	Dec 4, 1991
288	Llog Exploration Texas, L.P.	2	2	0	0	Aug 1, 2008	Sep 26, 2008
289	Main Energy, Inc.	2	2	0	0	Feb 10, 1987	Jun 2, 1994
290	McCarter, W.B. Jr., Inc.	2	2	0	0	Sep 22, 1982	Dec 31, 1982
291	McCormick Operating Company	2	2	0	0	Oct 9, 1980	Jul 23, 1981
292	MK Oil and Gas, Inc.	2	2	0	0	Jan 13, 1978	Mar 29, 1978
293	Nareco Corporation	2	2	0	0	Dec 6, 1983	Aug 29, 1984
294	Outline Oil Corp.	2	2	0	0	Sep 28, 1983	Dec 22, 1983
295	Petrus Operating Co., Inc.	2	2	0	0	Nov 9, 1982	Sep 7, 1984
296	Prime Operating Company	2	2	0	0	Aug 21, 2002	Jan 16, 2003
297	Republic Mineral Corporation	2	2	0	0	Sep 28, 1983	Sep 9, 1985
298	Southland Minerals Co.	2	2	0	0	Jul 28, 1977	Apr 13, 1979
299	Sun Expl. & Prod. Co.-Houston	2	2	0	0	Apr 15, 1982	Jun 8, 1983
300	Sun Expl. & Prod. Co.-Lafayette	2	2	0	0	Jun 8, 1983	Jan 27, 1986

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