COUNTIES · GRIMES · OPERATORS

Grimes 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.

#OperatorPermitsAll timeHorizontalWellsFirstLast
1Chesapeake Operating, Inc.1371371345Dec 12, 1991Nov 13, 2006
2Cashco Oil Company4040028Jun 13, 1977Dec 13, 1989
3Marathon Oil Company3434341Oct 3, 1996Feb 23, 2009
4Cashco Energy Corp.323201Aug 22, 1977Aug 28, 1981
5CML Exploration, LLC29292936Oct 25, 2008Sep 15, 2026
6Union Pacific Resources Company2525253Dec 30, 1992Feb 28, 1997
7High Chapparal Oil Company202000Aug 22, 1977Sep 9, 1992
8Pride Energy Company19191817Feb 4, 2011May 4, 2022
9Patterson Petroleum, Inc.1616131Sep 21, 1992Jul 14, 1998
10Stroud Energy, Ltd.1616160Jul 17, 2003Jun 21, 2006
11Southern Bay Operating, L.L.C.1515151Sep 22, 2006May 25, 2011
12Snyder Oil Corporation1515150Sep 16, 1994Apr 15, 1996
13Cameron, Paul E., Jr., Inc.141409Mar 11, 1981Nov 1, 1985
14Lear Petroleum Exploration, Inc.141400Jun 10, 1980Mar 14, 1984
15Marshall Expl. Inc.121201Nov 22, 1983Jun 6, 1988
16Halcon Operating Co., Inc.1111110Sep 11, 2012Jan 22, 2013
17Smith Petroleum Company101002Aug 31, 1981Sep 2, 1983
18National Oilwell Varco, L.P.9904Mar 27, 2014May 22, 2025
19Apache Corporation9973Aug 18, 2008Mar 22, 2019
20New Gulf Resources, LLC9920Oct 14, 2013Aug 5, 2015
21Torch Operating Company9990Jul 5, 1994Feb 6, 1996
22Crimson Exploration Oper., Inc.8874Apr 3, 2012Nov 10, 2014
23Marlin Energy Resources, LLC8880Nov 19, 2012Aug 6, 2014
24Mego Resources, LLC8800Apr 17, 2012Jan 28, 2014
25Santa Rosa Operating, LLC7701Jun 27, 2014Sep 7, 2016
26L & B Oil Co. Inc.7700Apr 25, 1983Apr 17, 1986
27Etx Energy, LLC6654Dec 9, 2016Jan 24, 2018
28Moran Corporation, The6602Mar 27, 1978Jan 18, 1980
29Murexco Petroleum, Inc.6601Sep 21, 1984Oct 6, 1986
30Energy & Expl. Prtnrs Oper., LP6610Nov 19, 2012Oct 9, 2014
31Paleo Oil Company LLC55013Nov 3, 2020Sep 16, 2025
32Enervest Operating, L.L.C.5557Nov 20, 2009Apr 16, 2014
33Jamex, Inc.5533Nov 5, 1993May 28, 1996
34Setex Oil and Gas Company5543Sep 15, 1998Aug 4, 2005
35Deep Rock Resources, Inc.5552Oct 21, 2003Sep 8, 2009
36Exxon Corp.5532Sep 9, 1983May 6, 1996
37Devon Energy Production Co, L.P.5541Mar 7, 2011Jun 18, 2014
38Stroud Oil Properties, Inc.5550Jun 5, 2002Jun 16, 2003
39Weber Energy Corporation5540Nov 10, 1994Jun 20, 2012
40Prime Operating Company4402Jul 21, 2003Aug 15, 2012
41Allied Operating Texas, LLC4431Jan 22, 2010Jan 13, 2011
42Damson Oil Corp.4401Jun 8, 1977Apr 17, 1978
43Finley & McWhorter Oil & Gas Co.4400Oct 4, 1985Sep 30, 1986
44Nuevo Energy Company4440Sep 19, 1996Apr 23, 1997
45TDC Engineering, Inc.4440Aug 19, 2003May 20, 2005
46Tenneco Oil Co.4400Dec 3, 1979Dec 29, 1981
47Rosewood Resources, Inc.3304Sep 15, 1997Feb 23, 2000
48Evolution Operating Co., Inc.3323Apr 8, 2009Sep 10, 2010
49Patterson Petroleum LP3333Apr 5, 2001Jun 30, 2006
50Cotton Petroleum Corp.3301Dec 13, 1977Dec 31, 1979
51KP Exploration, Inc.3301Apr 18, 1985Jul 22, 1986
52Rio Bravo Oil Company3301Dec 10, 1982Feb 24, 1984
53Abco Energy Corporation3300Nov 10, 1980Oct 7, 1982
54Conoco Inc.3300Apr 3, 1979Oct 30, 1980
55Drill Partners Management, LLC3300Sep 20, 2007Mar 19, 2010
56Explorer Pipeline Company3300Jun 26, 2017Nov 27, 2017
57JBW Land & Minerals, Inc.3300Nov 4, 1988May 3, 1989
58Panther Resources Corporation3300Dec 22, 1999Dec 22, 1999
59Petrocorp Incorporated3300Jul 17, 1984Mar 1, 1985
60Sonat Exploration Company -Tyler3330Feb 10, 1997Apr 3, 1997
61Southland Royalty Company3300Nov 5, 1979Jul 18, 1985
62Wainoco Oil & Gas Company3300Nov 20, 1978Apr 3, 1981
63Westpark Petroleum, Inc.3330Nov 28, 1994Oct 10, 1995
64Galloway Energy Co.2208Feb 20, 2025Aug 1, 2025
65Finley, A. W.2205Feb 29, 1984Feb 29, 1984
66Anadarko E&P Company LP2222Apr 25, 2007Jul 5, 2007
67Akg Operating Company2221Dec 17, 2007May 19, 2008
68Kaiser Oil (U S) Ltd.2201Jun 20, 1980Jun 15, 1981
69MCZ, Inc.2201Oct 9, 1980Aug 10, 1981
70Texaco E & P Inc.2211Nov 25, 1992Jan 14, 1994
71Amoco Production Company2200Jul 17, 1978Nov 28, 1979
72Arco Oil & Gas Co.2200Jul 20, 1984Jun 7, 1985
73Ballard Exploration Company,inc.2200Feb 27, 1986Nov 19, 1986
74Benchmark Exploration, Inc2200Oct 2, 1979May 1, 1980
75Brazos Valley Operating, LLC2220Apr 1, 2016Apr 17, 2017
76Bronco Energy2200May 20, 1981Oct 5, 1982
77Cayuga Exploration, Inc.2200Jan 3, 1978Jan 3, 1978
78Confed Oil Incorporated2200Nov 3, 1993Mar 31, 1995
79EOG Resources, Inc.2220Mar 7, 2002Oct 7, 2004
80Gemini Exploration Company2210Oct 21, 1993Dec 29, 1994
81G P Oil Co., Inc.2200Oct 19, 1981Dec 14, 1982
82G S I, Inc.2200Dec 5, 1986Feb 11, 1987
83GWR Operating Co.2200Nov 24, 1987Mar 1, 1988
84Indexgeo & Associates, Inc.2200Aug 15, 2005Feb 26, 2007
85Jilpetco, Inc.2200Mar 28, 2011Jun 20, 2011
86La Salle Energy, Corp.2200Mar 2, 1981Jun 16, 1981
87Longbird, Inc.2200Dec 28, 1982Jul 9, 1984
88Magnolia Energy Co.2200Apr 5, 1978Aug 14, 1986
89Oxoco Exploration&production,inc2200Jul 23, 1984Nov 14, 1984
90Producers Energy Corporation2200May 17, 1999Jun 14, 1999
91Range Production Company2220Mar 1, 2006Dec 8, 2006
92Seneca Resources Corp.2220Sep 1, 1995Nov 2, 1998
93SE USA Operating, Inc.2220Jun 4, 2009Dec 10, 2009
94Strago Petroleum Corporation2200Jun 5, 1984Jun 5, 1984
95Sundown Energy LP2200Jun 16, 2006Jun 16, 2006
96Talon Development Company2200May 23, 2005May 23, 2005
97Texas Independent Explor., Inc.2220Jul 13, 1995Jun 5, 1996
98Texcal Energy (GP) LLC2220Apr 22, 2005Sep 22, 2006
99Tipco2200Jul 18, 1977Sep 4, 1981
100TXO Production Corp.2200Sep 6, 1983Feb 28, 1984
101WG Operating, Inc.2220May 10, 2012May 30, 2012
102Winn Exploration Co., Inc.2200Jul 3, 2007Apr 21, 2008
103Zaza Energy, LLC2210Jan 13, 2012Jun 29, 2015
104Magnolia Oil & Gas Operating LLC111174Nov 2, 2018Nov 2, 2018
105Marino, Charles B.1104Aug 3, 1977Aug 3, 1977
106Dalbosco, Donald C.1102Nov 12, 1990Nov 12, 1990
107Texas Southern Resources, Inc.1102Jul 13, 1981Jul 13, 1981
108Advance Hydrocarbon Corporation1101Apr 15, 2011Apr 15, 2011
109Arledge, Terry1101Jun 25, 1984Jun 25, 1984
110Cities Service Oil & Gas Corp.1101Jan 21, 1985Jan 21, 1985
111Convest Energy Corporation1101Dec 12, 1977Dec 12, 1977
112Daniel Oil Co.1101May 25, 1979May 25, 1979
113Lingen Exploration, Inc.1101Jun 3, 1981Jun 3, 1981
114Louisiana Land & Expl. Co., The1101May 18, 1981May 18, 1981
115Republic Ees, LLC1101Sep 6, 2019Sep 6, 2019
116Sem Operating Company LLC1111Sep 11, 2015Sep 11, 2015
117Texaco Inc.1101Apr 26, 1984Apr 26, 1984
118Titan Partners, Inc.1111Jan 26, 2007Jan 26, 2007
119Ultramar Oil and Gas Limited1101Jan 29, 1990Jan 29, 1990
120Westland Oil Development Corp.1101May 8, 1978May 8, 1978
121Alexander Production Company1100Apr 6, 1984Apr 6, 1984
122Alford Petroleum Corp.1100Sep 29, 1980Sep 29, 1980
123Alon USA, LP1100Aug 23, 2001Aug 23, 2001
124Atinum Operating, Inc.1110May 27, 2010May 27, 2010
125BBL Operating Company LLC1110Sep 16, 2019Sep 16, 2019
126Cal-Tex 84, Inc.1100Jan 22, 1986Jan 22, 1986
127Chapman Oil1100Dec 14, 1978Dec 14, 1978
128Citation Oil & Gas Corp.1100Sep 27, 1990Sep 27, 1990
129Clay Exploration, Inc.1110Oct 23, 2002Oct 23, 2002
130Columbia Gas Development Corp.1100Apr 12, 1990Apr 12, 1990
131Coronado Minerals Company1100Oct 19, 1977Oct 19, 1977
132Donco, Inc.1100Oct 10, 1995Oct 10, 1995
133Dstj Corporation1100Apr 7, 1995Apr 7, 1995
134Edco Energy, Inc.1110Jul 14, 1993Jul 14, 1993
135Endeavor Energy Resources L.P.1100Aug 18, 2014Aug 18, 2014
136Flexco Partnership1100Aug 29, 1985Aug 29, 1985
137Gaither Petroleum Corporation1100May 14, 1998May 14, 1998
138Galjour Exploration Company1100Sep 5, 1989Sep 5, 1989
139General Prod. Corp.1100Jan 29, 1982Jan 29, 1982
140Glennco Exploration Ltd.1100Jun 16, 1981Jun 16, 1981
141G.T. Operating, Inc.1100May 31, 1988May 31, 1988
142Heisen, H C1100Dec 12, 1980Dec 12, 1980
143Hewitt, Robert J.1100Apr 21, 1992Apr 21, 1992
144Houston Operating, Inc.1100Jul 21, 1994Jul 21, 1994
145J-O'B Operating Company1100Aug 17, 1982Aug 17, 1982
146Kelpetro, Inc.1100Sep 5, 1991Sep 5, 1991
147Kemick, Jerome G.1100Jun 13, 1977Jun 13, 1977
148Koch Pipeline Company, L.P.1100Jun 27, 1996Jun 27, 1996
149Lear Petroleum Corp.1100Oct 10, 1980Oct 10, 1980
150Lometa Petroleum Corporation1100Sep 5, 1995Sep 5, 1995
151Magnetar Operating LLC1100Jul 16, 2025Jul 16, 2025
152Marlin Energy Southwest GP, LLC1110Jan 6, 2012Jan 6, 2012
153McWhorter, W. R. Oil & Gas Co.1100Jan 18, 1984Jan 18, 1984
154MD America Energy, LLC1100Feb 23, 2015Feb 23, 2015
155Medallion Oil Co.1100Nov 14, 2001Nov 14, 2001
156Moncrief, W. A., Jr.1100Dec 28, 1987Dec 28, 1987
157Moon Operating, Inc.1110Sep 1, 1994Sep 1, 1994
158Morris, W. Dale Inc.1100May 16, 1995May 16, 1995
159Moss Petroleum Co.1100Jun 20, 1991Jun 20, 1991
160North Central Oil Corp.1100Apr 26, 1993Apr 26, 1993
161Northern Natural Gas Co.1100Nov 15, 1978Nov 15, 1978
162Outline Oil Corp.1100Aug 12, 1983Aug 12, 1983
163Pcu, Inc. of Texas1100Aug 17, 1983Aug 17, 1983
164Petrocorp Incorporated,a Tx.corp1100Oct 31, 1997Oct 31, 1997
165Price, R. L.1100Jan 14, 1988Jan 14, 1988
166Republic Energy, Inc.1100Jul 16, 1981Jul 16, 1981
167Samson Oil & Gas USA, Inc.1100Mar 22, 2010Mar 22, 2010
168Sheridan Oil Company, LLC1100Jun 2, 2014Jun 2, 2014
169Sidha Corporation International1100Sep 15, 1980Sep 15, 1980
170Stanton Mineral Development Inc1110May 19, 2000May 19, 2000
171Stringer, C. M.1100Dec 13, 1979Dec 13, 1979
172Tanos Petroleum, Inc.1100Sep 14, 1981Sep 14, 1981
173Tecumseh Energy Corp.1100Apr 1, 1988Apr 1, 1988
174Terra Resources, Inc.1100Mar 14, 1979Mar 14, 1979
175Tesoro Petroleum Corporation1100Dec 9, 1981Dec 9, 1981
176Trio Operating Company, Inc.1100Feb 8, 1991Feb 8, 1991
177Tri-Union Development Corp.1110Jan 23, 2002Jan 23, 2002
178United Oil Exploration Co., Inc.1100Jun 27, 1984Jun 27, 1984
179Ustace Corp.1100Nov 15, 1977Nov 15, 1977
180West Star Oil Company1100Jul 21, 1993Jul 21, 1993
181West Texas Chaparral Pipeline1100Mar 3, 1989Mar 3, 1989
182West, Wesley1100Mar 13, 1978Mar 13, 1978
183White, Robert K.1100Oct 5, 1984Oct 5, 1984
184Winchester Energy Company1100Jan 19, 1984Jan 19, 1984
185TXO Production Corp.—0051——
186Wildfire Energy Operating LLC—0019——
187Sandel Operating Company—0015——
188Southwest Resources Inc.—0012——
189Proven Natural Resources LLC—006——
190Fricke Production Co.—005——
191P.o.&g. Operating LLC—005——
192Proline Energy Resources Inc—005——
193Trailblazer Energy Resources LLC—005——
194Amrwr LLC—004——
195Carr Resources Inc.—004——
196Italian-American Oil Co. Inc.—004——
197Pardus Oil & Gas Operating LP—004——
198Browning Landon—003——
199Iron Ridge Operating LLC—003——
200Buffalo Xxii Operating LLC—002——
201Carlon Oil Company—002——
202Contango Resources Inc.—002——
203Douglas Petroleum Inc.—002——
204Elevate SWD LLC—002——
205Great Western Onshore Inc.—002——
206Guardian Energy Operating Co LLC—002——
207HK Energy Operating LLC—002——
208King Operating Corporation—002——
209McCarthy Glenn H.—002——
210Millican Oil Company—002——
211Moore Prod. Service Inc.—002——
212Reed Exploration LLC—002——
213Total Minatome Corporation—002——
214West Wesley Estate of Deceased—002——
215Advantek Waste Mgmt Services LLC—001——
216Aeon Operating Inc.—001——
217Al-TX Operating Inc.—001——
218American Exploration Company—001——
219Atkinson Energy Corporation—001——
220Bek-O Resources Inc.—001——
221Cashco L.L.C.—001——
222C&e Production LLC—001——
223Diversified O&G Prod. Co. Inc.—001——
224Eagle Valley Development LLC—001——
225Forcenergy Onshore Inc.—001——
226Fuji Resources Production Co Inc—001——
227Goldmark Energy Corporation—001——
228GRC Exploration Inc.—001——
229Harcor Exploration Inc.—001——
230Hilcorp Energy Company—001——
231Interregional Operating Services—001——
232Jin Petroleum LLC—001——
233Juneau Energy LLC—001——
234Lee C Production Company Inc.—001——
235Leexus Oil LLC—001——
236Patterson Energy Corporation—001——
237Patterson Petroleum LLC—001——
238Petroleum Resource Management Co—001——
239Petroreal Inc.—001——
240Progenies Operating LLC—001——
241Ramtex Energy LLC—001——
242Sideline Energy Inc.—001——
243Silver Creek Oil & Gas LLC—001——
244Texas Independent Explor Ltd.—001——
245Tularosa Operating Company—001——
246Virtex Operating Company Inc.—001——
247Waylander LLC—001——
248Wortham Oil & Gas—001——
249Zingara Grimes LLC—001——

249 OPERATORS · WINDOW ON THE RRC ISSUE DATE