COUNTIES · KING · OPERATORS

King 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
1Taubert, Steed, Gunn & Medders40540507Jun 13, 1977Jul 28, 1986
2Medders Oil Company, Inc.2222220133Apr 9, 1996Oct 28, 2026
3Hunt Oil Company2002003185May 4, 1993Jul 9, 2020
4Gunn Oil Company167167041Jun 23, 1977Aug 6, 2025
5Pacific Enterprises Oil Co.(usa)149149027Mar 11, 1985Dec 31, 1992
6Terra Resources, Inc.149149010Jun 27, 1978May 26, 1989
7Gunn Management Company117117010Jan 8, 1986Dec 30, 1988
8Sun Expl. & Prod. Co.-Abilene616100Jul 28, 1981Jul 6, 1988
9Burnett Oil Co., Inc.5959066Dec 31, 1984Dec 20, 2024
10Clear Fork, Incorporated5050027Aug 27, 1982Nov 6, 2001
11Harbert Energy Corporation444403May 25, 1988Aug 29, 1991
12Conoco Inc.434303Aug 3, 1983Dec 23, 1991
13Sauder Management Company373707Jul 25, 1984Oct 19, 2007
14Medders Oil Company373702Mar 27, 1980Jan 22, 1996
15Consolidated Oil & Gas, Inc.343400Jun 2, 1980Nov 20, 1985
16Cholla Petroleum, Inc.323206Jul 9, 2001Sep 4, 2019
17Primrose Operating Company323200Jul 5, 1995May 15, 2003
18Wheat, Buck Resources, Inc.313100Feb 1, 2001Aug 21, 2009
19Sojourner Drilling Corporation3030036Feb 14, 1978May 15, 2025
20Patton Exploration, Inc.2828042Jul 3, 1992Dec 11, 2009
21Burns, P. C. Oil Producers Inc.282800Dec 21, 1994May 30, 2000
22Polk & Patton, Inc.272700May 7, 1985Feb 5, 1992
23SRG Oil Corporation272700Nov 20, 1981Sep 24, 1993
24Salida Exploration, LLC2525016Jan 6, 2005Nov 2, 2026
25Exxon Corp.222204Nov 3, 1977May 25, 1994
26Polk Petroleum, Inc.212100Oct 14, 1994Feb 13, 2006
27Ginnings Company202000Dec 27, 2004Jan 9, 2009
28Schalk Oil Company, Inc.161605Apr 7, 2003Oct 30, 2017
29Crego Exploration161600Aug 6, 1985Dec 8, 1987
30Plumb Resources, Inc.161600Mar 10, 1992Apr 15, 1996
31Kinder Morgan Production Co LLC151505Feb 25, 2010Jun 8, 2023
32Citation Oil & Gas Corp.1414023May 15, 1990Jun 27, 1997
33Bridwell Oil Co.131305Dec 31, 1981May 6, 2005
34Westico Energy Co.131300Jun 10, 1991Oct 6, 1998
35Leclair Operating Co., Inc.121205Jun 17, 1992Mar 3, 2004
36Delwintex Oil & Gas Prop., Inc.121200Jun 16, 1983Dec 8, 1987
37Energy Resource & Develop., Corp111100Mar 30, 1990Oct 21, 1996
38Buck Wheat Resources, L.P.1010024Jun 23, 2010Apr 1, 2024
39Marathon Oil Company101003May 27, 1982May 14, 1993
40Patterson Petroleum, Inc.9903Oct 29, 1996Oct 9, 1998
41Gulf Energy Producing Company9900Sep 15, 1977Dec 27, 1984
42Pogo Producing Co.9900Aug 15, 1995Jul 22, 1997
43Sabine Corporation9900Jun 5, 1987Jul 26, 1988
44Ard Drilling Company Inc.8805Jun 7, 1977Nov 9, 1988
45Gaea Services, Inc.8805Mar 26, 1998Oct 17, 2001
46Alpine Petroleum8800Jun 30, 1997Sep 17, 2007
47Bolin Oil Company8800Jun 7, 1977Aug 1, 1979
48Grow-Tex, Inc.8800Jul 26, 1983Nov 13, 1985
49Henry Energy Corporation8800Jan 5, 1984Sep 26, 1985
50Allmon Operating Co., Inc.7700May 22, 1984Feb 6, 1985
51MLC Operating, LP7700Sep 19, 2007Sep 24, 2008
52TXO Production Corp.7700Jun 9, 1981Jun 11, 1987
53High River Res Operating, LLC660401Dec 27, 2022Sep 16, 2026
54PPC Operating Company LLC66037Aug 21, 2012Oct 5, 2016
55Bass Enterprises Production Co.6603Jun 20, 1977Apr 24, 1981
56Bettis, Boyle & Stovall6603Jun 13, 1990Sep 1, 2005
57Covenant Operating, LLC6601May 18, 2017Oct 26, 2021
58Halliburton Operating Company6601May 13, 2015Sep 27, 2026
59Anathema, Inc.6600Nov 9, 1992Oct 26, 1994
60Rising Star Energy, L.L.C.6600Jan 10, 2001Sep 26, 2005
61Tempo Energy, Inc.6600Jul 5, 1988Sep 13, 1989
62Henderson & Erickson, Inc.5503Jul 28, 2000Sep 6, 2013
63Lytle Creek Operating, Inc.5501May 19, 1994Nov 7, 2005
64Bolin, C. W.5500Dec 28, 1979May 17, 1984
65Brewer, Tim Inc5500Apr 6, 1982Oct 21, 1982
66Citori Oil Company, LLC5500Feb 9, 2006Apr 14, 2007
67Crt's, Inc.5500Jul 13, 1994Sep 22, 1997
68Desana Development Corporation5500Dec 8, 1983Aug 30, 1984
69J & J Trading5500Nov 23, 1999Aug 7, 2003
70Lajet, Inc.5500Jul 2, 1981Oct 15, 1981
71Midland Oil and Gas, Inc.5500Apr 12, 1994Feb 4, 2022
72Nosivad Oil, Inc.5500Oct 9, 1995Feb 28, 2008
73Standard Oil Production Company5500Jun 10, 1985Jun 23, 1988
74Sullivan, Hollis R. Inc.5500Mar 8, 2000Nov 27, 2002
75Trio Consulting & Management,llc5500Nov 8, 2005Feb 9, 2007
76Freeman Expl. & Prod. Co., Inc.4408Sep 11, 2003Sep 6, 2007
77Phillips Petroleum Company4407Jul 20, 1990Nov 25, 1991
78Arrington,david H. Oil & Gas,inc4413Sep 10, 1999Apr 4, 2000
79Lomax Operating Company, Inc.4401Feb 27, 1995Dec 10, 1997
80Delta Oil & Gas Ltd.4400Jun 15, 2023Jun 27, 2023
81Energy Transfer Company4400Jun 11, 2024Jun 11, 2024
82Fairchild Petroleum Corporation4400Apr 20, 1981Apr 4, 1984
83Grandfield Consulting, Inc.4400Feb 23, 2008May 24, 2010
84Gregco, Inc.4400Sep 5, 1984Mar 15, 1985
85Gro-Tex4400Jan 29, 1982Aug 26, 1982
86Marshall & Winston, Inc.4400Jul 21, 1983Nov 13, 1992
87Minihan, Tom R.4400Dec 13, 1979Jul 21, 1981
88Petrotex Resources, Inc.4400Dec 17, 1982Oct 12, 1984
89Unitex Oil & Gas, L.L.C.4400Oct 19, 2011May 23, 2012
90S.B. Street Operating, Inc.3307Feb 4, 2022Aug 15, 2024
91Helmcamp, Inc.3302Dec 10, 1979Aug 9, 1996
92Corda Corporation3301Oct 19, 2005Mar 4, 2011
93Edwards, Gus Co.3301Mar 3, 1981May 3, 1983
94Trek Resources, Inc.3301Jul 23, 2004Jul 5, 2007
95Big State Industries, Inc.3300Mar 11, 1996May 20, 1998
96Bullet Development, LLC3300Jun 12, 2012Sep 15, 2014
97Delray Oil, Inc.3300Oct 21, 1985Jan 26, 1988
98Kaiser-Francis Oil Company3300May 25, 1982Jun 2, 1982
99Nagual Exploration LLC3300Dec 23, 2008Sep 23, 2011
100Patron Company, The3300Jul 20, 1982Aug 10, 1982
101Secker, Daniel F.3300Nov 10, 1978Oct 23, 1980
102Shell Oil Company3300Sep 22, 1977Oct 15, 1979
103Shell Western E&P Inc.3300Dec 27, 1984Jun 25, 1985
104Taubert & Steed3300Aug 8, 1979Dec 2, 1982
105Texas Oil & Gas Corp.3300Apr 24, 1979Feb 17, 1981
106L.C.S. Production Company2207Dec 4, 2008Dec 16, 2008
107BTA Oil Producers2201Dec 3, 1979Aug 4, 1980
108Lear Petroleum Exploration, Inc.2201May 6, 1982Oct 22, 1982
109Southwest Royalties, Inc.2201Oct 22, 1997Mar 30, 1998
110Belco Energy Corp.2200Jul 27, 2001Jul 27, 2001
111Birge Oil Co.2200Feb 4, 1980May 27, 1980
112Cleary Petroleum Corp.2200Sep 2, 1977Dec 5, 1977
113Dreyfus, Louis Natural Gas Corp2200Sep 3, 1998Jul 16, 1999
114Dry Fork Production Co., LLC2200Jul 13, 2021Aug 17, 2021
115Edwards, -Gus-2200Aug 22, 1977Mar 14, 1978
116Energy Reserves Group, Inc.2200Dec 28, 1984Dec 28, 1984
117Enserch Exploration, Inc2200Feb 29, 1980Mar 17, 1980
118First Exploration, Ltd.2200Oct 17, 2013Feb 28, 2014
119Hanover Energy Inc.2200Aug 2, 1984Apr 3, 1985
120Hanson Corporation2200Dec 31, 1982Jan 24, 1983
121HGN Operating I, LLC2200Mar 26, 2013Jun 18, 2014
122Lomak Petroleum (Southwest),inc.2200Aug 14, 1985Aug 14, 1985
123McClymond, Ltd.2200Jun 7, 2002Jun 10, 2004
124McMahon-Bullington Drilling Co.2200Dec 1, 1977Jan 17, 1980
125Mogul Petroleum Corp.2200Dec 12, 1979Jul 28, 1980
126NBX Energy, LLC2200Apr 29, 2026May 6, 2026
127Noremac, Inc.2200Sep 20, 1985Dec 5, 1985
128North American Exploration Co.2200Oct 26, 1978Oct 27, 1978
129Petroquest Energy Corporation2200Jun 18, 1986Jan 12, 1987
130Scholl Drilling Company2200Feb 24, 1986Jul 25, 1986
131Seek Resources Ltd.2200Jul 31, 1981Jul 31, 1981
132Staley, Jack C.2200Dec 11, 1985Oct 1, 1986
133Sun Exploration & Production Co.2200Jul 21, 1986Mar 14, 1989
134Sunoco Pipeline L.P.2200Apr 15, 2005May 2, 2012
135Taylor Oper. Co.2200Jun 24, 1981Jun 24, 1981
136Young, Marshall R., Oil Company2200Mar 13, 1984Aug 23, 1985
137Creed Operating Co., LLC11013Jul 29, 2008Jul 29, 2008
138P.B. Blue Dot Properties11013Apr 28, 2021Apr 28, 2021
139Menasco, J.1104Aug 14, 2001Aug 14, 2001
140Doodle-Bug, Incorporated1103Nov 18, 1980Nov 18, 1980
141Sullivan, Hollis R.1103Mar 18, 1986Mar 18, 1986
142Canan Mowrey Operating, LLC1101Dec 3, 2009Dec 3, 2009
143C-M-R Inc.1101Oct 14, 1977Oct 14, 1977
144Amv Operating, Inc.1100Apr 15, 1985Apr 15, 1985
145Anadarko Production Company1100Feb 15, 1984Feb 15, 1984
146Ashland Oil, Inc.1100Jun 20, 1977Jun 20, 1977
147Aspen Exploration, Inc.1100May 3, 1996May 3, 1996
148Atapco1100Mar 22, 1984Mar 22, 1984
149Ausanka Oil Operations1100Sep 19, 1977Sep 19, 1977
150Barbee, Inc.1100Apr 26, 1985Apr 26, 1985
151Bolin, Charles William1100Aug 23, 1978Aug 23, 1978
152Boney & Zetzman1100Jul 19, 1979Jul 19, 1979
153Braman, D. H., Jr.1100Nov 9, 1982Nov 9, 1982
154Brooks, E. B., Jr.1100Jun 25, 2003Jun 25, 2003
155Buffco Production Inc.1100Oct 17, 2017Oct 17, 2017
156Caddo Corporation1100Dec 18, 1985Dec 18, 1985
157Chance Oil Co., Inc.1100Dec 5, 2000Dec 5, 2000
158Chisholm Exploration1100Oct 2, 1997Oct 2, 1997
159CM Oil & Gas Corporation1100Apr 14, 1986Apr 14, 1986
160CMS Field Services, Inc.1100Sep 16, 2002Sep 16, 2002
161Coda Energy, Inc.1100Apr 21, 1998Apr 21, 1998
162Cola Petroleum, Inc.1100Oct 30, 1979Oct 30, 1979
163Cuatro Oil and Gas Corporation1100Jan 9, 1989Jan 9, 1989
164D. A. B. Oil Service, Inc.1100Mar 18, 1985Mar 18, 1985
165Delta-Gulf, Inc.1100Sep 15, 1978Sep 15, 1978
166Dinero Operating Company1100Feb 9, 1981Feb 9, 1981
167Dixon Drilling Company1100Jun 20, 1977Jun 20, 1977
168Doodle Bug Joint Venture #11100Feb 11, 1980Feb 11, 1980
169D-S Pipe Line Corp.1100Oct 26, 1988Oct 26, 1988
170Earthbound Resources LLC1100Dec 9, 2016Dec 9, 2016
171Echo Production, Inc.1100Sep 24, 1985Sep 24, 1985
172Ellison, Dewitt, Jr.1100Feb 27, 1997Feb 27, 1997
173Exco Resources, Inc.1100Oct 17, 2007Oct 17, 2007
174Feagan Energy, Inc.1100Jan 15, 1981Jan 15, 1981
175Felderhoff Production Co.1100Jun 22, 1989Jun 22, 1989
176Gage, C. L. Jr.1100Sep 7, 1978Sep 7, 1978
177Geosurveys, Inc.1100Jun 22, 2026Jun 22, 2026
178Grace Oil Corporation1100Aug 26, 1985Aug 26, 1985
179Grimm, Jack F. & Hunt, N. B.1100Oct 24, 1977Oct 24, 1977
180Gunn-Lewis1100Aug 9, 1977Aug 9, 1977
181Gunn O. Co. & TX. Pacific O. Co.1100Dec 19, 1979Dec 19, 1979
182Gunn Operating Company1100Nov 21, 1985Nov 21, 1985
183Hadson Ohio Oil Company1100Jun 5, 1979Jun 5, 1979
184Hale Oil & Gas Properties1100Oct 28, 1981Oct 28, 1981
185Havins Oil Company, Inc.1100Jan 17, 1983Jan 17, 1983
186Interstate Explorations LLC1100Aug 13, 1998Aug 13, 1998
187Johnson, Lloyd E.1100Jul 11, 1977Jul 11, 1977
188Kimball Production Co.1100Aug 25, 1978Aug 25, 1978
189Kimbark Oil & Gas Company1100Nov 10, 1982Nov 10, 1982
190Lea Corporation1100Oct 6, 1990Oct 6, 1990
191M.A.M.C.1100Dec 7, 1981Dec 7, 1981
192Marantha Exploration Co., Inc.1100Apr 6, 1995Apr 6, 1995
193Mar-Tex Petroleum Co.1100Apr 20, 1983Apr 20, 1983
194Merit Energy Company1100Aug 5, 1999Aug 5, 1999
195Noremac Enterprises, LLC1110Jul 17, 2009Jul 17, 2009
196Oasis Operating, Inc.1100Aug 14, 2012Aug 14, 2012
197One Petroleum Exploration Corp.1100Feb 26, 1987Feb 26, 1987
198Overton, Edward1100Jun 22, 1984Jun 22, 1984
199Page, Amos1100May 29, 1980May 29, 1980
200Pancanadian Petroleum Company1100Dec 22, 1986Dec 22, 1986
201Petroleum Investment Opp., Inc.1100Dec 30, 1988Dec 30, 1988
202Petro-Tex Resources, Inc.1100Aug 5, 1982Aug 5, 1982
203Pride Pipeline Company1100Mar 6, 1996Mar 6, 1996
204Primary Fuels, Inc.1100Feb 11, 1986Feb 11, 1986
205Ross, Dwight M. Drlg. Co., Inc.1100May 5, 2005May 5, 2005
206Schkade Bros. Operating Company1100Jun 11, 1990Jun 11, 1990
207Sidwell Oil & Gas, Inc.1100Jul 29, 1998Jul 29, 1998
208Star Production, Inc.1100Apr 29, 2010Apr 29, 2010
209Stelzer, J. C.1100Nov 13, 1985Nov 13, 1985
210Stovall, N. D. & Son1100Jan 2, 1979Jan 2, 1979
211Strange, D. D.1100Aug 1, 1979Aug 1, 1979
212Sullivan & Co.1100Oct 27, 1994Oct 27, 1994
213Sun Pipe Line Company1100Jul 10, 2001Jul 10, 2001
214Taurus Energy Corp.1100Mar 6, 1996Mar 6, 1996
215TDC Engineering, Inc.1100Apr 24, 2018Apr 24, 2018
216Telesis Operating Co., Inc.1100Mar 14, 2005Mar 14, 2005
217Texaco Producing Inc.1100Oct 14, 1986Oct 14, 1986
218Thor Resources, Inc.1100Mar 5, 1987Mar 5, 1987
219TKP Petroleum, Inc.1100Feb 26, 1996Feb 26, 1996
220Townsend the Co.1100Dec 21, 1990Dec 21, 1990
221TP Oil Co Inc & Medders Oil Co.1100Jun 1, 1978Jun 1, 1978
222Trinity Production Co., Inc.1100Jun 23, 1982Jun 23, 1982
223Trio Operating Company, Inc.1100Dec 2, 1986Dec 2, 1986
224Triumph Exploration, Inc.1100Feb 10, 2005Feb 10, 2005
225Wes-Tex Drlg. Co.1100Jun 29, 1979Jun 29, 1979
226Westwood Energy, Inc.1100Feb 8, 1985Feb 8, 1985
227Woodbine Petroleum, Inc.1100Nov 30, 1983Nov 30, 1983
228Young Marshall R. Oil Co.—00783——
229New Height Energy LLC—0088——
230Great American Resources Inc.—0023——
231Apache Corporation—0019——
232Armor Petroleum Inc.—0018——
233Atlas Operating LLC—0018——
234MWL Energy LLC—0015——
235Miocene Oil & Gas Ltd.—0014——
236Ridglea Energy I LLC—009——
237Smith Pipe of Abilene—008——
238Paragon Oil & Gas LLC—006——
239Fina Oil & Chemical Company—005——
240International Western Oil Corp—005——
241J & M SWD LLC—005——
242OXY USA Inc.—005——
243Grasha Matthew P.—004——
244Holden Energy Corporation—004——
245Williams A. Oil—004——
246Clinton Oil Co.—003——
247Publishers Petroleum—003——
248Wild Horse Energy—003——
249American Petrofina Co. of Tex.—002——
250Bolin D. H. Estate—002——
251Cooper Oil & Gas LLC—002——
252Osr Oil & Gas Company—002——
253Petrotex Inc.—002——
254Taubert Steed & Gunn—002——
255Two Way Oil Co.—002——
256Cada Operating Inc.—001——
257Dalen Resources Oil & Gas Co.—001——
258D.J. & T. Energy—001——
259Journey Operating L.L.C.—001——
260Kimco Energy Corporation—001——
261Miller W. C. Operating Company—001——
262Nueve Operating Co. of Texas—001——
263Quatro Oil and Gas Inc.—001——
264Red Diamond Energy Services Inc—001——
265Shelby Production Inc.—001——
266Sunlight Exploration Inc.—001——
267Texas Energy Sources Inc.—001——
268Twin Montana Inc.—001——
269Union Oil Company of California—001——

269 OPERATORS · WINDOW ON THE RRC ISSUE DATE