Petrora

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.

1 year3 years10 yearsAll time
#OperatorPermitsAll timeHorizontalWellsFirstLast
1Halliburton Operating Company6700Feb 18, 2026Sep 27, 2026
2High River Res Operating, LLC360269Aug 24, 2026Sep 16, 2026
3Medders Oil Company, Inc.32310130Nov 10, 2025Oct 28, 2026
4NBX Energy, LLC2200Apr 29, 2026May 6, 2026
5Geosurveys, Inc.1100Jun 22, 2026Jun 22, 2026
6Young Marshall R. Oil Co.—00780——
7Hunt Oil Company—2190237——
8PPC Operating Company LLC—6084——
9Burnett Oil Co., Inc.—64065——
10Pacific Enterprises Oil Co.(usa)—162043——
11Patton Exploration, Inc.—29041——
12Gunn Oil Company—170040——
13Sojourner Drilling Corporation—33034——
14Clear Fork, Incorporated—51029——
15New Height Energy LLC—0028——
16Great American Resources Inc.—0025——
17Buck Wheat Resources, L.P.—10024——
18Citation Oil & Gas Corp.—15020——
19Terra Resources, Inc.—155018——
20Atlas Operating LLC—0018——
21Armor Petroleum Inc.—0017——
22Salida Exploration, LLC—24016——
23Taubert, Steed, Gunn & Medders—406015——
24Gunn Management Company—123013——
25Miocene Oil & Gas Ltd.—0012——
26Conoco Inc.—4909——
27Apache Corporation—009——
28MWL Energy LLC—009——
29Paragon Oil & Gas LLC—009——
30Freeman Expl. & Prod. Co., Inc.—408——
31Creed Operating Co., LLC—108——
32Smith Pipe of Abilene—008——
33Cholla Petroleum, Inc.—3407——
34Phillips Petroleum Company—407——
35S.B. Street Operating, Inc.—307——
36L.C.S. Production Company—207——
37Menasco, J.—107——
38P.B. Blue Dot Properties—107——
39Sauder Management Company—4205——
40Schalk Oil Company, Inc.—1905——
41Bridwell Oil Co.—1405——
42Ard Drilling Company Inc.—805——
43Fina Oil & Chemical Company—005——
44OXY USA Inc.—005——
45Exxon Corp.—2204——
46Kinder Morgan Production Co LLC—1804——
47Leclair Operating Co., Inc.—1204——
48Gaea Services, Inc.—904——
49Bass Enterprises Production Co.—604——
50Henderson & Erickson, Inc.—604——
51Grasha Matthew P.—004——
52Holden Energy Corporation—004——
53J & M SWD LLC—004——
54Harbert Energy Corporation—5303——
55Marathon Oil Company—1203——
56Patterson Petroleum, Inc.—903——
57Bettis, Boyle & Stovall—703——
58Arrington,david H. Oil & Gas,inc—603——
59Doodle-Bug, Incorporated—203——
60Sullivan, Hollis R.—103——
61Clinton Oil Co.—003——
62Cooper Oil & Gas LLC—003——
63International Western Oil Corp—003——
64Publishers Petroleum—003——
65Wild Horse Energy—003——
66Medders Oil Company—4002——
67TXO Production Corp.—702——
68Rising Star Energy, L.L.C.—602——
69Helmcamp, Inc.—302——
70American Petrofina Co. of Tex.—002——
71Bolin D. H. Estate—002——
72Columbus Energy Corp.—002——
73Osr Oil & Gas Company—002——
74Petrotex Inc.—002——
75Taubert Steed & Gunn—002——
76Two Way Oil Co.—002——
77Burns, P. C. Oil Producers Inc.—3301——
78Citori Oil Company, LLC—601——
79Covenant Operating, LLC—601——
80Lytle Creek Operating, Inc.—501——
81Lomax Operating Company, Inc.—401——
82Corda Corporation—301——
83Edwards, Gus Co.—301——
84Trek Resources, Inc.—301——
85BTA Oil Producers—201——
86Lear Petroleum Exploration, Inc.—201——
87Southwest Royalties, Inc.—201——
88Sun Exploration & Production Co.—201——
89Canan Mowrey Operating, LLC—101——
90C-M-R Inc.—101——
91Cada Operating Inc.—001——
92Chesapeake Operating Inc.—001——
93Dalen Resources Oil & Gas Co.—001——
94D.J. & T. Energy—001——
95Journey Operating L.L.C.—001——
96Miller W. C. Operating Company—001——
97Nueve Operating Co. of Texas—001——
98Raw Oil & Gas Inc.—001——
99Ridglea Energy I LLC—001——
100Sunlight Exploration Inc.—001——
101Texas Energy Sources Inc.—001——
102Twin Montana Inc.—001——
103Union Oil Company of California—001——
104Sun Expl. & Prod. Co.-Abilene—7400——
105Primrose Operating Company—3900——
106Consolidated Oil & Gas, Inc.—3400——
107Wheat, Buck Resources, Inc.—3100——
108Polk & Patton, Inc.—2800——
109SRG Oil Corporation—2700——
110Polk Petroleum, Inc.—2200——
111Ginnings Company—2000——
112Plumb Resources, Inc.—1800——
113Crego Exploration—1600——
114Energy Resource & Develop., Corp—1300——
115Westico Energy Co.—1300——
116Delwintex Oil & Gas Prop., Inc.—1200——
117Pogo Producing Co.—1200——
118Sabine Corporation—1200——
119Gulf Energy Producing Company—900——
120Alpine Petroleum—800——
121Bolin Oil Company—800——
122Grow-Tex, Inc.—800——
123Henry Energy Corporation—800——
124Allmon Operating Co., Inc.—700——
125MLC Operating, LP—700——
126Anathema, Inc.—600——
127Crt's, Inc.—600——
128Standard Oil Production Company—600——
129Tempo Energy, Inc.—600——
130Bolin, C. W.—500——
131Brewer, Tim Inc—500——
132Desana Development Corporation—500——
133J & J Trading—500——
134Lajet, Inc.—500——
135Midland Oil and Gas, Inc.—500——
136Nosivad Oil, Inc.—500——
137Sullivan, Hollis R. Inc.—500——
138Trio Consulting & Management,llc—500——
139Delta Oil & Gas Ltd.—400——
140Energy Transfer Company—400——
141Fairchild Petroleum Corporation—400——
142Grandfield Consulting, Inc.—400——
143Gregco, Inc.—400——
144Gro-Tex—400——
145Marshall & Winston, Inc.—400——
146Minihan, Tom R.—400——
147Petrotex Resources, Inc.—400——
148Unitex Oil & Gas, L.L.C.—400——
149Big State Industries, Inc.—300——
150Bullet Development, LLC—300——
151Delray Oil, Inc.—300——
152First Exploration, Ltd.—300——
153Kaiser-Francis Oil Company—300——
154Nagual Exploration LLC—300——
155Patron Company, The—300——
156Secker, Daniel F.—300——
157Seek Resources Ltd.—300——
158Shell Oil Company—300——
159Shell Western E&P Inc.—300——
160Taubert & Steed—300——
161Texas Oil & Gas Corp.—300——
162Belco Energy Corp.—200——
163Birge Oil Co.—200——
164Cleary Petroleum Corp.—200——
165Dreyfus, Louis Natural Gas Corp—200——
166Dry Fork Production Co., LLC—200——
167Edwards, -Gus-—200——
168Energy Reserves Group, Inc.—200——
169Enserch Exploration, Inc—200——
170Exco Resources, Inc.—200——
171Hanover Energy Inc.—200——
172Hanson Corporation—200——
173HGN Operating I, LLC—200——
174Lomak Petroleum (Southwest),inc.—200——
175McClymond, Ltd.—200——
176McMahon-Bullington Drilling Co.—200——
177Mogul Petroleum Corp.—200——
178Noremac, Inc.—200——
179North American Exploration Co.—200——
180Petroquest Energy Corporation—200——
181Scholl Drilling Company—200——
182Sidwell Oil & Gas, Inc.—200——
183Staley, Jack C.—200——
184Sunoco Pipeline L.P.—200——
185Taylor Oper. Co.—200——
186Trio Operating Company, Inc.—200——
187Triumph Exploration, Inc.—200——
188Young, Marshall R., Oil Company—200——
189Amv Operating, Inc.—100——
190Anadarko Production Company—100——
191Ashland Oil, Inc.—100——
192Aspen Exploration, Inc.—100——
193Atapco—100——
194Ausanka Oil Operations—100——
195Barbee, Inc.—100——
196Bolin, Charles William—100——
197Boney & Zetzman—100——
198Braman, D. H., Jr.—100——
199Brooks, E. B., Jr.—100——
200Buffco Production Inc.—100——
201Caddo Corporation—100——
202Chance Oil Co., Inc.—100——
203Chisholm Exploration—100——
204CM Oil & Gas Corporation—100——
205CMS Field Services, Inc.—100——
206Coda Energy, Inc.—100——
207Cola Petroleum, Inc.—100——
208Cuatro Oil and Gas Corporation—100——
209D. A. B. Oil Service, Inc.—100——
210Delta-Gulf, Inc.—100——
211Dinero Operating Company—100——
212Dixon Drilling Company—100——
213Doodle Bug Joint Venture #1—100——
214D-S Pipe Line Corp.—100——
215Earthbound Resources LLC—100——
216Echo Production, Inc.—100——
217Ellison, Dewitt, Jr.—100——
218Feagan Energy, Inc.—100——
219Felderhoff Production Co.—100——
220Gage, C. L. Jr.—100——
221Grace Oil Corporation—100——
222Grimm, Jack F. & Hunt, N. B.—100——
223Gunn-Lewis—100——
224Gunn O. Co. & TX. Pacific O. Co.—100——
225Gunn Operating Company—100——
226Hadson Ohio Oil Company—100——
227Hale Oil & Gas Properties—100——
228Havins Oil Company, Inc.—100——
229Interstate Explorations LLC—100——
230Johnson, Lloyd E.—100——
231Kimball Production Co.—100——
232Kimbark Oil & Gas Company—100——
233Lea Corporation—100——
234M.A.M.C.—100——
235Marantha Exploration Co., Inc.—100——
236Mar-Tex Petroleum Co.—100——
237Merit Energy Company—100——
238Noremac Enterprises, LLC—100——
239Oasis Operating, Inc.—100——
240One Petroleum Exploration Corp.—100——
241Overton, Edward—100——
242Page, Amos—100——
243Pancanadian Petroleum Company—100——
244Petroleum Investment Opp., Inc.—100——
245Petro-Tex Resources, Inc.—100——
246Pride Pipeline Company—100——
247Primary Fuels, Inc.—100——
248Ross, Dwight M. Drlg. Co., Inc.—100——
249Schkade Bros. Operating Company—100——
250Star Production, Inc.—100——
251Stelzer, J. C.—100——
252Stovall, N. D. & Son—100——
253Strange, D. D.—100——
254Sullivan & Co.—100——
255Sun Pipe Line Company—100——
256Taurus Energy Corp.—100——
257TDC Engineering, Inc.—100——
258Telesis Operating Co., Inc.—100——
259Texaco Producing Inc.—100——
260Thor Resources, Inc.—100——
261TKP Petroleum, Inc.—100——
262Townsend the Co.—100——
263TP Oil Co Inc & Medders Oil Co.—100——
264Trinity Production Co., Inc.—100——
265Vicars, Greg—100——
266Wes-Tex Drlg. Co.—100——
267Westwood Energy, Inc.—100——
268Woodbine Petroleum, Inc.—100——

268 OPERATORS · WINDOW ON THE RRC ISSUE DATE