COUNTIES · WASHINGTON · OPERATORS

Washington 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
1Magnolia Oil & Gas Operating LLC161161159320Apr 9, 2003Aug 18, 2026
2Union Pacific Resources Company1341341318Jul 22, 1987Jan 12, 2001
3Chesapeake Operating, Inc.6767672May 17, 1994Sep 24, 2008
4Geosouthern Operating II, LLC60605845Nov 18, 2015Jun 3, 2026
5Hyperion Oil & Gas LLC484800Sep 15, 2015May 12, 2022
6Enervest Operating, L.L.C.4545438Sep 18, 2007May 18, 2018
7Anadarko E&P Company LP4242423Mar 26, 2002Feb 9, 2007
8Ada Oil Exploration Corp.333301Jan 4, 1980Oct 9, 1985
9Humble Exploration Co., Inc.282803Mar 15, 1979Oct 3, 1983
10Aaa Operating Company Inc.272700Feb 17, 1982May 17, 1985
11Rme Petroleum Company2020202May 16, 2000Oct 30, 2002
12U. S. Operating, Inc.181803Jan 16, 1979Mar 11, 1983
13Aethon Energy Operating LLC17170153Aug 25, 2026Oct 29, 2026
14Brenham Drilling Co.1717025Jun 9, 1977Mar 25, 1987
15Williams, Clayton W., Jr.171702Jul 31, 1980Feb 3, 1986
16Sunoco Energy Development Co.171700Jan 18, 1980Nov 5, 1981
17Stroud Oil Properties, Inc.1616160Mar 28, 2001Feb 10, 2003
18Heci Exploration Company141404Dec 27, 1984Jul 2, 1990
19Hyperion Energy, L P131305Nov 30, 2012Apr 16, 2014
20General Production Company, Inc.131300Aug 24, 1982Dec 28, 1984
21Wildhorse Resources Mngt Co, LLC1212120Mar 8, 2017Jan 9, 2019
22Kimball Production Co.111101Feb 3, 1982Aug 3, 1988
23Flag-Redfern Oil Company9903Apr 3, 1978Jul 24, 1985
24Chesapeake Operating, L.L.C.9991Oct 30, 2017Mar 12, 2021
25Tenroc Corporation9900Oct 30, 1980Feb 24, 1982
26Geosouthern Energy Corporation8809May 20, 1982Apr 2, 1985
27Sun Exploration & Production Co.8806Aug 1, 1977May 28, 1982
28Daleco Resources8801Sep 13, 1983Jan 19, 1988
29Keystone Exploration, Inc8880Jan 3, 1991Oct 17, 1996
30Patterson Petroleum, Inc.7702Nov 4, 1983Dec 18, 1985
31Sage Energy Company7712Aug 14, 1980May 14, 1996
32Shield Petroleum7770Jul 8, 1996May 16, 1997
33Teon Energy, Inc.7700May 22, 1984Feb 26, 1985
347711 Corporation, The6661Jan 22, 1999Apr 6, 2001
35Apache Corporation6661May 24, 1995May 27, 2022
36Edwards, Gus Co.6601Sep 29, 1980May 7, 1985
37Marathon Oil Company6661Jan 20, 1993Jan 30, 1998
38WCS Oil & Gas Corporation6661Aug 31, 2009Feb 7, 2014
39Bexco Operating, Inc.6660Mar 26, 1993Feb 29, 1996
40Torch Operating Company6660May 17, 1994May 17, 1995
41Weber Energy Corporation6660Sep 3, 1992Dec 13, 1994
42Senora Resources, Inc.5542Oct 23, 1990Apr 10, 1996
43Gemini Exploration Company5551Sep 3, 1993Jun 3, 1994
44WCS Oil and Gas Corporation5531Jul 1, 1988Sep 17, 2002
45Ironroc Energy5550Mar 10, 2021Sep 2, 2021
46Letco Oil & Gas, Inc.5500Jul 3, 2001Jan 4, 2008
47Petrus Operating Co., Inc.5500Dec 15, 1983Sep 17, 1985
48SM Energy Company5540Feb 16, 2012Apr 29, 2014
49Watt Energy, LLC4402Oct 9, 2023Nov 13, 2023
50Hall, D. Corporation4401May 28, 1998May 28, 1998
51Dome Drilling Co.4400Nov 4, 1982Nov 4, 1982
52Norkris Petroleum, Inc.4400Apr 4, 1984May 18, 1984
53Quest Oil Co.4400Jul 18, 1979Sep 24, 1979
54Retamco, Inc4400Jul 18, 1980Oct 15, 1981
55Stellar Exploration & Prod. Inc.4400Oct 10, 2006Jun 6, 2008
56Union Pacific Austin Chalk Co.4440Jan 3, 1996Jun 5, 1997
57Venquest Resources, Inc.4400Apr 16, 1981Sep 21, 1981
58Wildfire Energy Operating LLC33328Oct 25, 2023Oct 26, 2023
59Co-Kal Oil Company33020Jul 28, 1977Oct 14, 1988
60Verdun Oil & Gas LLC3337Sep 30, 2018Aug 31, 2022
61Benchmark Land & Exploration Inc3301Apr 24, 1991Oct 18, 1991
62Westpark Petroleum, Inc.3331Jan 3, 1995Sep 18, 1996
63Zonergy, Inc.3301Aug 9, 1979Oct 29, 1980
64B.W.O.C., Inc.3330Jun 18, 2002Mar 24, 2004
65Crawford Energy Operating Co3320Apr 11, 2001Jun 17, 2008
66Crimson Energy Company, LC3330Jun 25, 1993Nov 12, 2002
67EOG Resources, Inc.3320Jun 26, 2001Oct 9, 2001
68Houston, W. S. Oil & Gas, Inc.3310Apr 3, 1985Oct 30, 1995
69JJP Oil Corporation3300Jul 8, 1980Aug 4, 1980
70K-N Operating Corp.3300Dec 9, 1983Jul 2, 1984
71Seminole Pipeline Company3300Mar 19, 1981Apr 27, 1981
72U. S. Resources, Inc.3300Jun 29, 1979Nov 12, 1979
73United Oil & Minerals, Inc.2217Apr 14, 1986Dec 18, 1992
74Seneca Resources Corp.2224Oct 25, 1995Dec 14, 1995
75BBL Oil & Gas Company2202Sep 7, 1984Feb 27, 1987
76Adobe Oil & Gas Corp.2201Oct 9, 1981Aug 17, 1983
77Cypress Energy Development Co2201Nov 18, 1980Mar 30, 1983
78Great West Energy & Expl., Inc.2221Feb 4, 1993Jun 14, 1996
79Majestic Petroleum Corporation2221Dec 22, 1988Apr 7, 1989
80Trilex Exploration Company2201Aug 4, 1981Dec 30, 1983
81Zapata Exploration Co-Onshore2201Apr 8, 1985May 10, 1985
82Abraxas Petroleum Corp.2200Dec 22, 1983Feb 23, 1984
83Arcturus Operating Company2220Mar 6, 2003Mar 21, 2003
84B.E.D. Oil & Gas, Inc.2200Jul 15, 1981Jun 3, 1983
85Benson Mineral Group, Inc.2200Oct 19, 1989Feb 5, 1990
86Blocker Exploration Co.2200Jul 31, 1980Feb 12, 1981
87Bradco Oil & Gas Co.2200Sep 14, 1977Sep 21, 1977
88Chapman Oil2200Jul 22, 1980Aug 24, 1981
89Cooke & Cooke, Inc.2200Sep 17, 1979Jan 14, 1980
90Delta Drilling Co.2200Jul 27, 1982Jul 8, 1983
91Doilco Exploration, Inc.2200Aug 6, 1984Mar 27, 1986
92Dominion Minerals Corporation2200Oct 15, 1990Oct 23, 1992
93Dyson Energy Operating, LLC2220Apr 13, 2017Dec 21, 2017
94Emerald Operating Company, Inc.2220Jul 27, 2001Mar 7, 2002
95Energy Resource Management, Inc.2200Mar 7, 1989Mar 30, 1995
96Exxon Corp.2220May 15, 1995Dec 1, 1995
97General Prod. Corp.2200Nov 30, 1981Feb 10, 1982
98Gose, Steve2200Jul 7, 1980Nov 18, 1980
99Grand Operating, Inc.2220Feb 8, 2000May 17, 2000
100JHP Operating, LLC2220Jul 5, 2005Sep 26, 2005
101Key Operating & Equipment, Inc.2200Mar 30, 2006Mar 30, 2006
102Leexus Oil & Gas L.L.P.2210Apr 4, 1996Sep 7, 2001
103Magnum Producing, LP2200Apr 9, 2010May 4, 2010
104Menard Energy Corp.2220Sep 27, 1993Nov 4, 1993
105Penn Resources, Inc.2200Jun 16, 1981Dec 18, 1981
106Permian Brine Sales, Inc.2200Jul 23, 1990Nov 8, 1990
107Reserve Production, Inc.2220Jun 25, 1993Jun 25, 1993
108Strand Energy, L.C.2200Mar 28, 2002Aug 28, 2002
109Sun Expl. & Prod. Co.-Houston2200Oct 22, 1981Oct 22, 1981
110Tartan Production Co.2200Oct 18, 1979Jan 4, 1980
111Taylor, M. W. Inc.2200Jul 27, 1987Sep 14, 1988
112Terry Resources, Inc.2210Jul 12, 1991Oct 2, 1991
113Tex-O Petroleum Company2200Dec 31, 1980Mar 2, 1981
114Tomcat Exploration, Inc2220Jun 25, 1996Aug 28, 1996
115Adams Resources Expl. Corp.11125Sep 7, 2005Sep 7, 2005
116Browning Oil Company, Inc.1105Oct 12, 1992Oct 12, 1992
117Paleo Oil Company LLC1115May 6, 2022May 6, 2022
118Williams, Clayton Energy, Inc.1114Mar 7, 1994Mar 7, 1994
119Anderson Producing, Inc1101Nov 19, 1980Nov 19, 1980
120Blackbrush O & G, LLC1111Oct 6, 2017Oct 6, 2017
121Cashco Oil Company1101Jun 20, 1990Jun 20, 1990
122Dirks Petroleum Company1101Jul 2, 2009Jul 2, 2009
123Dobos, James D. Corporation1101Aug 8, 1984Aug 8, 1984
124Elliott Oil & Gas Operating Co.1101Nov 18, 2004Nov 18, 2004
125Garrison Ltd.1111Jun 27, 1997Jun 27, 1997
126Gsi Oil & Gas, Inc.1101Oct 4, 1990Oct 4, 1990
127Mescalero Energy, Inc.1111Jun 2, 1994Jun 2, 1994
128Pharaoh & Associates, Inc.1101Nov 6, 1981Nov 6, 1981
129Saber Petroleum Corp.1101Apr 11, 1979Apr 11, 1979
130Salty Dog Service Company, LLC1101May 27, 2025May 27, 2025
131Santana Energy Services, LLC1111Jan 23, 2009Jan 23, 2009
132Sun Expl. & Prod. Co.-Corpus1101Aug 9, 1983Aug 9, 1983
133Trostle, M. E. Inc.1101Aug 11, 1988Aug 11, 1988
134Abel Oil & Exploration Inc.1100Mar 2, 2012Mar 2, 2012
135Adair & Ballinger Petrol Conslts1100Oct 13, 1986Oct 13, 1986
136American Nat. Gas Prod. Co.1100Aug 10, 1978Aug 10, 1978
137American Worldwide Petr. Corp.1100Jan 14, 1985Jan 14, 1985
138Anadarko Austin Chalk Company1110Aug 6, 2004Aug 6, 2004
139Arrow Exploration Company1110Aug 5, 1996Aug 5, 1996
140Bar M Petroleum Co., Inc.1100Nov 25, 1981Nov 25, 1981
141Black Creek Exploration, Inc.1100Jan 22, 2002Jan 22, 2002
142Brittany Drilling Co.1100May 29, 1987May 29, 1987
143Cag Petroleum Corp.1100Aug 13, 1981Aug 13, 1981
144Cantro Exploration, Inc.1110Aug 4, 1997Aug 4, 1997
145Cenergy Exploration Company1100Jul 2, 1982Jul 2, 1982
146Central Plains Oil and Gas Corp.1100Feb 4, 1983Feb 4, 1983
147Central Texas Petroleum, Inc.1100Jun 23, 1981Jun 23, 1981
148Champlin Petroleum Co.1100Apr 9, 1987Apr 9, 1987
149Chmelar, Eugene Oil & Gas, Inc.1100May 15, 1985May 15, 1985
150Clark Expl. & Prod., Co., Inc.1100Jul 1, 1983Jul 1, 1983
151Coloma Petroleum, Inc.1100Nov 20, 1981Nov 20, 1981
152Davidson, Jake, Inc.1100Jan 10, 1990Jan 10, 1990
153Deltaus Corporation1100Jan 21, 1985Jan 21, 1985
154Driver Investments, Inc.1100Dec 7, 1983Dec 7, 1983
155Eagle Valley Development LLC1110Apr 16, 2019Apr 16, 2019
156Elliott Oil & Gas Company1100Jul 30, 2002Jul 30, 2002
157Ferguson, Ted R.,inc.1110Oct 23, 1989Oct 23, 1989
158F.M.C. Operating, Inc.1110May 9, 1995May 9, 1995
159Goldsmith, J. Paul1100Oct 18, 1983Oct 18, 1983
160Heartland Resources, Inc.1100Mar 1, 1996Mar 1, 1996
161Herd Producing Company, Inc.1100Jun 17, 1980Jun 17, 1980
162Hill Prod.co.-SMK Petroleum Corp1100Apr 4, 1983Apr 4, 1983
163Hunt Oil Company1100May 28, 1992May 28, 1992
164Irish Petroleum Expl., Inc.1100Jun 18, 1984Jun 18, 1984
165Jenex Petroleum Corporation1100Nov 16, 2007Nov 16, 2007
166Lowmar Exploration Company1100Feb 22, 1988Feb 22, 1988
167Luck Petroleum Corporation1100Nov 24, 1981Nov 24, 1981
168McCormick Operating Company1100May 20, 1981May 20, 1981
169Meridian Key, LLC.1110May 30, 2003May 30, 2003
170Monterrey Petroleum Corp.1100Aug 31, 1981Aug 31, 1981
171Nel-Rob Energy1100Feb 12, 1982Feb 12, 1982
172North Star Exploration Co. (I)1100Jul 22, 1985Jul 22, 1985
173Oversea Oil Co.1100Aug 22, 1988Aug 22, 1988
174Pathfinder Mines Corp.1100May 15, 1979May 15, 1979
175Pcu, Inc. of Texas1100Oct 8, 1981Oct 8, 1981
176Pennzoil Producing Co.1100Jan 25, 1978Jan 25, 1978
177Petrochalk Corporation1100Jan 24, 1985Jan 24, 1985
178Ranger Oil Company1100Sep 28, 1978Sep 28, 1978
179Reliance Energy & Minerals Corp.1100Apr 13, 1982Apr 13, 1982
180Robbins, Bill Drilling Company1100Apr 27, 1981Apr 27, 1981
181Samedan Oil Corporation1100Feb 23, 1989Feb 23, 1989
182Sanders, Larry E. Trustee1110May 25, 1994May 25, 1994
183Sanhall Corporation1100Aug 1, 1991Aug 1, 1991
184Showdown Operating, Inc.1100Nov 9, 1994Nov 9, 1994
185Snyder Oil Corporation1100Sep 11, 1984Sep 11, 1984
186Sundown Energy LP1100Nov 14, 2007Nov 14, 2007
187SWD, Inc.1100Jul 2, 1985Jul 2, 1985
188Swift Energy Company1100Sep 21, 2000Sep 21, 2000
189Swope Corp.1100Aug 20, 1991Aug 20, 1991
190Talon Development Company1100Feb 26, 2004Feb 26, 2004
191Texas General Petr. Corp.1100Dec 8, 1981Dec 8, 1981
192Traverse Oil Company1100Oct 27, 1981Oct 27, 1981
193Tres Operating Co., LLC1100Nov 23, 2005Nov 23, 2005
194Ultra Oil & Gas, Inc.1100Aug 21, 2007Aug 21, 2007
195Usfg Oil & Gas, Inc.1110Apr 5, 1993Apr 5, 1993
196Vetra E & P LLC1100Nov 30, 2009Nov 30, 2009
197Williams, Clayton W., Jr., Inc.1100Oct 18, 1989Oct 18, 1989
198Winn Exploration Co., Inc.1100Sep 29, 2014Sep 29, 2014
199Wynn, R. C.1100Aug 23, 1985Aug 23, 1985
200Young, John H., Inc.1100Jul 21, 1997Jul 21, 1997
201Zapata Exploration Co. Onshore—0067——
202Redbud E & P Inc.—0033——
203Vega Operating Company—008——
204Crawford Hughes Operating Co.—007——
205Douglas Petroleum Inc.—007——
206Moore Petroleum Service Inc.—006——
207All Around Distribution Inc.—004——
208Conklin & Nicholas—004——
209Ginn Weida W.—004——
210Lynco Oilfield Equipment Inc.—004——
211Southwest Resources Inc.—004——
212Velocity Oil and Gas LLC—004——
213E P C Oil & Gas Inc.—003——
214Mineral Technologies Inc.—003——
215North Lake Resources LLC—003——
216Pan American Petroleum Corp.—003——
217D.J. Oilfield Salvage Inc.—002——
218Gemarmi Inc.—002——
219Ineos USA Oil & Gas LLC—002——
220Mark-O Energy Inc.—002——
221McDaniel Company Inc. The—002——
222Ogden Resources Corporation—002——
223Osr Oil & Gas Company—002——
224Pomykal Verde—002——
225Taurus Enterprises Corporation—002——
226Tularosa Operating Company—002——
227Adair & Ballinger Petro. Inc.—001——
228Adobe Resources Corporation—001——
229Allied Energy Operating LLC—001——
230Al-TX Operating Inc.—001——
231Amrwr LLC—001——
232Aop Operating Corporation—001——
233Ascent Oil & Gas Corp.—001——
234BBX Operating L.L.C.—001——
235Big J Operating Company—001——
236Boyd Mary Helen Gerdes—001——
237Chapman Roger Inc.—001——
238Coastal Expanse Oil & Gas—001——
239Dale Operating Company—001——
240Enterprise Products Operatingllc—001——
241Exxon Mobil Corporation—001——
242F.I.G. Energy LLC—001——
243Goldking Prod. Co.—001——
244GRC Exploration Inc.—001——
245Griswold Management Inc.—001——
246Huber Energy L.P.—001——
247Iron Ridge Operating LLC—001——
248Johnston James J.—001——
249Karbuhn Oil Company—001——
250Kerr-McGee Corporation—001——
251Key Energy Services Inc GCD—001——
252Kouatli Aiman M.—001——
253Lonestar Pluggers Inc.—001——
254Millican Oil Company—001——
255M & R Exploration Company—001——
256Oklatex Oil & Gas Company—001——
257Ows Energy Inc.—001——
258Pacer-Atlas Inc.—001——
259Parkway Petroleum Inc.—001——
260Plantation Oil Company—001——
261Range Production Company—001——
262Rathburn Land & Devel Inc.—001——
263Republic Resources LLC.—001——
264Rumble Energy LLC—001——
265Sandel Operating Company—001——
266Tartan Oil & Gas—001——
267Travis Oil Co.—001——

267 OPERATORS · WINDOW ON THE RRC ISSUE DATE