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MARATHON OIL EF LLC: wells in Texas

2,957wells on record
2,484active
449shut in or idle
24plugged
7disposal / injection

All of this operator's wells, every state, one download →

Where they operate

County	Active	Wells
Karnes	1,492	1,777
Atascosa	431	505
Live Oak	299	358
De Witt	219	261
Mcmullen	32	37
Bee	11	11
Gonzales	0	6
Wilson	0	2

Wells

Not plugged · All wells · Plugged · Orphaned

Well	API / ID	Status	Type
BORIS UNIT 2WS	42-255-33607	Active	Water supply
BORIS UNIT 502H	42-255-36707	Active	Oil
BORIS UNIT 501H	42-255-36706	Active	Oil
BORIS UNIT 504H	42-255-36709	Active	Oil
BORIS UNIT 503H	42-255-36708	Active	Oil
BORIS UNIT 4H	42-255-33674	Active	Oil
BORIS UNIT 7H	42-255-33274	Active	Oil
BORIS UNIT 3H	42-255-33272	Active	Oil
BORIS UNIT 2H	42-255-33271	Active	Oil
BORIS UNIT 10H	42-255-33677	Active	Oil
BORIS UNIT 9H	42-255-33676	Active	Oil
BORIS UNIT 6H	42-255-33273	Active	Oil
BORIS UNIT 1H	42-255-32897	Active	Oil
BORIS UNIT 5H	42-255-33675	Active	Oil
BOSWELL 01 01H	42-025-33838	Active	Gas
BOSWELL 02 01H	42-025-33857	Active	Gas
BOYD FAMILY TRUST 01 01H	42-297-34971	Active	Gas
BOYD FAMILY TRUST 01 02H	42-297-35216	Active	Gas
BOYD FAMILY TRUST 01 03H	42-297-35215	Active	Gas
BOYD FAMILY TRUST 01 04H	42-297-35217	Active	Gas
BROWN DUPNIK B-A PSA 1H	42-255-35881	Active	Oil
BROWN-DUPNIK A UNIT 1H	42-255-32347	Active	Oil
BROWN-DUPNIK B UNIT 3H	42-255-37318	Active	Oil
BROWN-DUPNIK B UNIT 2H	42-255-37317	Shut in	Oil
BROWN-DUPNIK B UNIT 1H	42-255-32898	Active	Oil
BRUNS 01 07H	42-123-33160	Active	Gas
BRUNS 01 01H	42-123-32343	Active	Gas
BRUNS 01 06H	42-123-33182	Active	Gas
BRUNS 01 05H	42-123-33181	Active	Gas
BRUNS 01 02H	42-123-32675	Active	Gas
BRUNS 01 08H	42-123-33414	Active	Gas
BRUNS 01 03H	42-123-32676	Active	Gas
BRUNS 01 04H	42-123-32677	Active	Gas
BRYSCH ADAMS-BRYSCH JONAS C SA1 1H	42-255-38008	Active	Oil
BRYSCH ADAMS-BRYSCH JONAS SA 1H	42-255-37500	Active	Oil
BRYSCH JONAS B-YOSKO KINKLER SA 1H	42-255-37603	Active	Oil
BRYSCH JONAS C-B SA 1H	42-255-37501	Active	Oil
BRYSCH JONAS UNIT 502H	42-255-34461	Active	Oil
BRYSCH JONAS UNIT 5H	42-255-34995	Active	Oil
BRYSCH JONAS UNIT 4H	42-255-34996	Shut in	Oil
BRYSCH JONAS UNIT 503H	42-255-34463	Shut in	Oil
BRYSCH JONAS UNIT 3H	42-255-34464	Shut in	Oil
BRYSCH JONAS UNIT 505H	42-255-34998	Shut in	Oil
BRYSCH JONAS UNIT 2H	42-255-34462	Active	Oil
BRYSCH JONAS UNIT 504H	42-255-34997	Active	Oil
BRYSCH JONAS UNIT 1H	42-255-32001	Shut in	Oil
BRYSCH JONAS-YOSKO BORGFELD SA 1H	42-255-36920	Active	Oil
BRYSCH-ADAMS UNIT 502H	42-255-37499	Active	Oil
BRYSCH-ADAMS UNIT 501H	42-255-37498	Active	Oil
BRYSCH-ADAMS UNIT 2H	42-255-32550	Active	Oil
BRYSCH-ADAMS UNIT 1H	42-255-32249	Shut in	Oil
BRYSCH-ADAMS UNIT 3H	42-255-32553	Shut in	Oil
BRYSCH-JONAS UNIT B 4H	42-255-34048	Shut in	Oil
BRYSCH-JONAS UNIT B 2HR	42-255-34261	Active	Oil
BRYSCH-JONAS UNIT B 3H	42-255-34047	Active	Oil
BRYSCH-JONAS UNIT B 1H	42-255-32260	Active	Oil
BRYSCH-JONAS UNIT C 4H	42-255-33795	Shut in	Oil
BRYSCH-JONAS UNIT C 2H	42-255-33793	Active	Oil
BRYSCH-JONAS UNIT C 6H	42-255-33797	Active	Oil
BRYSCH-JONAS UNIT C 1H	42-255-32271	Active	Oil
BRYSCH-JONAS UNIT C 5H	42-255-33796	Active	Oil
BRYSCH-JONAS UNIT C 3H	42-255-33794	Active	Oil
BUEHRING UNIT 4H	42-255-34030	Active	Oil
BUEHRING UNIT 6H	42-255-36523	Active	Oil
BUEHRING UNIT 2H	42-255-32989	Active	Oil
BUEHRING UNIT 3H	42-255-34029	Active	Oil
BUEHRING UNIT 5H	42-255-34031	Active	Oil
BUEHRING UNIT 1H	42-255-31833	Temporarily abandoned	Oil & gas
BUEHRING UNIT AC 2H	42-255-34129	Active	Gas
BUEHRING UNIT AC 1H	42-255-34128	Temporarily abandoned	Gas
BUEHRING-GILLEY PSA 1H	42-255-36525	Active	Oil
BURNS 01 01H	42-255-32247	Active	Gas
BUTLER-FENNER-ST. GERMAINE SA 1H	42-255-37044	Active	Oil & gas
BUTLER-HUTH-SCHEELE SA 1H	42-255-37043	Active	Oil
C.PFEIL-C.KELLNER-C.HUMMEL PSA 1H	42-013-35629	Active	Oil
CARPENTER-KELLNER UNIT 6H	42-255-36496	Active	Oil
CARPENTER-KELLNER UNIT 2H	42-255-35389	Active	Oil
CARPENTER-KELLNER UNIT 4H	42-255-35391	Active	Oil
CARPENTER-KELLNER UNIT 1H	42-255-32729	Active	Oil
CARPENTER-KELLNER UNIT 3H	42-255-35390	Active	Oil
CARPENTER-KELLNER UNIT 5H	42-255-35392	Active	Oil
CARPENTER-THOMPSON UNIT 4H	42-255-36500	Active	Oil
CARPENTER-THOMPSON UNIT 3H	42-255-36497	Active	Oil
CARPENTER-THOMPSON UNIT 5H	42-255-36501	Active	Oil
CARPENTER-THOMPSON UNIT 6H	42-255-36498	Active	Oil
CARPENTER-THOMPSON UNIT 2H	42-255-36499	Active	Oil
CARPENTER-THOMPSON UNIT 1H	42-255-31968	Active	Oil
CARROLL RETZLOFF 01 01H	42-297-34902	Active	Gas
CARROLL RETZLOFF 01 02H	42-297-35207	Active	Gas
CARTER HOLM-YANTA SA 2H	42-255-37250	Active	Oil
CARTER UNIT 501H	42-255-36374	Active	Oil
CARTER UNIT 6H	42-255-36373	Active	Oil
CARTER UNIT 4H	42-255-33478	Active	Oil
CARTER UNIT 3H	42-255-33477	Active	Oil
CARTER UNIT 1H	42-255-31796	Shut in	Oil
CARTER UNIT 2H	42-255-32758	Active	Oil
CARTER UNIT 5H	42-255-33480	Active	Oil
CARTER-HOLM UNIT 9H	42-255-34200	Active	Oil
CARTER-HOLM UNIT 7H	42-255-34178	Active	Oil
CARTER-HOLM UNIT 506H	42-255-34177	Active	Oil

Operator names are shown as each state records them. Data as of 2026-10-17.