Home › Texas › Operators

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
FORISTER-541 UNIT A 5H	42-255-36558	Active	Oil
FORISTER-541 UNIT A 3H	42-255-36556	Active	Oil
FORISTER-541 UNIT A 6H	42-255-36559	Active	Oil
FORISTER-541 UNIT A 4H	42-255-36557	Active	Oil
FORISTER-541 UNIT A 2H	42-255-36555	Active	Oil
FORISTER-541 UNIT A 1H	42-255-32137	Shut in	Oil
FORISTER-JANYSEK UNIT 2H	42-255-35365	Active	Oil
FORISTER-JANYSEK UNIT 4H	42-255-37621	Active	Oil
FORISTER-JANYSEK UNIT 1H	42-255-32311	Active	Oil
FORISTER-JANYSEK UNIT 3H	42-255-35366	Active	Oil
FORSHAGE-HOWELL UNIT 503H	42-255-34826	Active	Gas
FORSHAGE-HOWELL UNIT 4H	42-255-34355	Active	Gas
FORSHAGE-HOWELL UNIT 2H	42-255-32466	Active	Gas
FORSHAGE-HOWELL UNIT 3H	42-255-32464	Active	Gas
FORSHAGE-HOWELL UNIT 8H	42-255-34825	Active	Gas
FORSHAGE-HOWELL UNIT 7H	42-255-34824	Active	Gas
FORSHAGE-HOWELL UNIT 1H	42-255-32512	Active	Gas
FORSHAGE-HOWELL UNIT AC 1H	42-255-34356	Temporarily abandoned	Gas
FORSHAGE-HOWELL UNIT AC 12H	42-255-34698	Active	Gas
FORSHAGE-HOWELL UNIT AC 11H	42-255-34695	Active	Gas
FOSTER UNIT 12H	42-255-36064	Active	Gas
FOSTER UNIT 505H	42-255-36065	Active	Gas
FOSTER UNIT 11H	42-255-36063	Active	Gas
FOSTER UNIT 507H	42-255-36066	Active	Gas
FOSTER UNIT 8H	42-255-36630	Active	Gas
FOSTER UNIT 5H	42-255-33971	Active	Gas
FOSTER UNIT 1H	42-255-31790	Temporarily abandoned	Gas
FOSTER UNIT 3H	42-255-33969	Temporarily abandoned	Gas
FOSTER UNIT 2H	42-255-33968	Temporarily abandoned	Gas
FOSTER UNIT 509H	42-255-34686	Active	Gas
FOSTER UNIT 6H	42-255-33960	Active	Gas
FOSTER UNIT 502H	42-255-36631	Active	Gas
FOSTER UNIT 9H	42-255-36624	Active	Gas
FOSTER UNIT 10H	42-255-36062	Active	Gas
FOSTER UNIT 504H	42-255-36632	Active	Gas
FOSTER UNIT 7H	42-255-36623	Active	Gas
FOSTER UNIT 4H	42-255-33970	Temporarily abandoned	Gas
FOSTER UNIT 508H	42-255-34688	Active	Gas
FOSTER UNIT AC 3H	42-255-36633	Active	Gas
FOSTER UNIT AC 10H	42-255-34687	Active	Gas
FOSTER UNIT AC 11H	42-255-34685	Active	Gas
FOSTER UNIT AC 5H	42-255-36061	Active	Gas
FOSTER UNIT AC 9H	42-255-34689	Active	Gas
FOUSHEE UNIT 1H	42-013-34523	Active	Oil
FOUSHEE-HENKE UNIT 1H	42-013-34528	Active	Oil
FOUSHEE-WRIGHT KEATHLEY SA1 1H	42-013-35813	Active	Oil
FOUSHEE-WRIGHT KEATHLEY SA2 2H	42-013-35814	Active	Oil
FOUSHEE-WRIGHT KEATHLEY SA3 3H	42-013-35816	Active	Oil
FOUSHEE-WRIGHT KEATHLEY SA4 4H	42-013-35815	Active	Oil
FRANCIS WILSON 01 01H	42-123-32409	Active	Gas
FRANK MALEK 01 02H	42-297-36220	Active	Gas
FRANK MALEK 01 01H	42-297-35106	Active	Gas
FRANK MALEK 01 03H	42-297-36221	Active	Gas
FRANK MALEK 02 05H	42-297-36225	Active	Gas
FRANK MALEK 02 02H	42-297-36222	Active	Gas
FRANK MALEK 02 03H	42-297-36223	Active	Gas
FRANK MALEK 02 04H	42-297-36224	Active	Gas
FRANK MALEK 02 01H	42-297-35162	Active	Gas
FRANK MALEK 03 01H	42-297-35163	Active	Gas
FRANK MALEK 04 01H	42-297-35289	Active	Gas
FRANK MALEK 05 05H	42-297-35417	Active	Gas
FRANK MALEK 05 03H	42-297-35416	Active	Gas
FRANK MALEK 05 08H	42-297-36359	Active	Gas
FRANK MALEK 05 06H	42-297-36357	Active	Gas
FRANK MALEK 05 07H	42-297-36358	Active	Gas
FRANK MALEK 05 02H	42-297-35414	Active	Gas
FRANK MALEK 05 04H	42-297-35415	Active	Gas
FRANK MALEK 05 01H	42-297-35195	Active	Gas
FRANK MALEK 06 01H	42-297-35293	Active	Gas
FRANKE 01 01H	42-025-33826	Active	Gas
FRANKE JOHNSON-PATINO 4H PSA AC 4H	42-255-35742	Active	Gas
FRANKE JOHNSON-PATINO 7H PSA 7H	42-255-35739	Active	Gas
FRANKE UNIT 501H	42-255-34896	Active	Gas
FRANKE UNIT 9H	42-255-34900	Active	Gas
FRANKE UNIT 8H	42-255-34902	Active	Gas
FRANKE UNIT 2H	42-255-34299	Temporarily abandoned	Gas
FRANKE UNIT 7H	42-255-34298	Active	Gas
FRANKE UNIT 5H	42-255-33529	Active	Gas
FRANKE UNIT 502H	42-255-34898	Active	Gas
FRANKE UNIT 4H	42-255-33514	Active	Gas
FRANKE UNIT 3H	42-255-33508	Active	Gas
FRANKE UNIT 503H	42-255-34899	Active	Gas
FRANKE UNIT 1H	42-255-31744	Temporarily abandoned	Gas
FRANKE UNIT AC 2H	42-255-34300	Active	Gas
FRANKE UNIT AC 7H	42-255-34897	Active	Gas
FRANKE UNIT AC 4H	42-255-33609	Temporarily abandoned	Gas
FRANKE UNIT AC 3H	42-255-34400	Active	Gas
FRANKE-FOSTER-PATINO SA10 10H	42-255-37084	Active	Gas
FRANKE-FOSTER-PATINO SA11 11H	42-255-37085	Active	Gas
FRANKE-JOHNSON UNIT 18H	42-255-35193	Active	Gas
FRANKE-JOHNSON UNIT 13H	42-255-35691	Active	Gas
FRANKE-JOHNSON UNIT 16H	42-255-35191	Active	Gas
FRANKE-JOHNSON UNIT 15H	42-255-35692	Active	Gas
FRANKE-JOHNSON UNIT 12H	42-255-35690	Active	Gas
FRANKE-JOHNSON UNIT 3H	42-255-32397	Temporarily abandoned	Gas
FRANKE-JOHNSON UNIT 20H	42-255-35181	Active	Gas
FRANKE-JOHNSON UNIT 19H	42-255-35194	Active	Gas
FRANKE-JOHNSON UNIT 4H	42-255-33962	Active	Gas
FRANKE-JOHNSON UNIT 17H	42-255-35192	Temporarily abandoned	Gas
FRANKE-JOHNSON UNIT 6H	42-255-33964	Active	Gas

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