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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
GROSS-MCLEAN UNIT 3H	42-255-32968	Shut in	Oil
GROSS-MCLEAN UNIT 1H	42-255-32669	Active	Oil
GROSS-ROBERT PSA 1H	42-255-36508	Active	Oil
GROSS-ROBERT-LUNA PSA 1H	42-255-36524	Active	Oil
GUAJILLO EAST 41H	42-013-35553	Active	Oil
GUAJILLO EAST 39H	42-013-35552	Shut in	Oil
GUAJILLO EAST 37H	42-013-35551	Shut in	Oil
GUAJILLO EAST 35H	42-013-35550	Active	Oil
GUAJILLO EAST 71H	42-013-34927	Active	Oil
GUAJILLO EAST 9H	42-013-35051	Active	Oil
GUAJILLO EAST 26H	42-013-35063	Active	Oil
GUAJILLO EAST 7H	42-013-35050	Active	Oil
GUAJILLO EAST 22H	42-013-35268	Active	Oil
GUAJILLO EAST 14H	42-013-35262	Active	Oil
GUAJILLO EAST 3H	42-013-34903	Active	Oil
GUAJILLO EAST 16H	42-013-34988	Active	Oil
GUAJILLO EAST 68H	42-013-34989	Active	Oil
GUAJILLO EAST 73H	42-013-34991	Active	Oil
GUAJILLO EAST 75H	42-013-35046	Active	Oil
GUAJILLO EAST 79H	42-013-34953	Active	Oil
GUAJILLO EAST 77H	42-013-34950	Active	Oil
GUAJILLO EAST 20H	42-013-35266	Active	Oil
GUAJILLO EAST 28H	42-013-35064	Active	Oil
GUAJILLO EAST 17H	42-013-34928	Active	Oil
GUAJILLO EAST 10H	42-013-35260	Active	Oil
GUAJILLO EAST 66H	42-013-35259	Active	Oil
GUAJILLO EAST 504I	42-013-35305	Active	Oil
GUAJILLO EAST 15H	42-013-34926	Active	Oil
GUAJILLO EAST 69H	42-013-35054	Active	Oil
GUAJILLO EAST 21H	42-013-34990	Active	Oil
GUAJILLO EAST 11H	42-013-35052	Active	Oil
GUAJILLO EAST 72H	42-013-35062	Active	Oil
GUAJILLO EAST 31H	42-013-34951	Active	Oil
GUAJILLO EAST 18H	42-013-35265	Active	Oil
GUAJILLO EAST 74H	42-013-35065	Active	Oil
GUAJILLO EAST 5H	42-013-34904	Active	Oil
GUAJILLO EAST 13H	42-013-34925	Active	Injection
GUAJILLO EAST 19H	42-013-34929	Active	Oil
GUAJILLO EAST 70H	42-013-35267	Shut in	Oil
GUAJILLO EAST 81H	42-013-35554	Shut in	Oil
GUAJILLO EAST 4H	42-013-34980	Active	Oil
GUAJILLO EAST 12H	42-013-35261	Active	Oil
GUAJILLO EAST 6H	42-013-34981	Active	Oil
GUAJILLO EAST 64H	42-013-34983	Active	Injection
GUAJILLO EAST 8H	42-013-35258	Active	Oil
GUAJILLO EAST 1H	42-013-34902	Active	Oil
GUAJILLO EAST 2H	42-013-34979	Active	Oil
GUAJILLO EAST 62I	42-013-34982	Active	Injection
GUAJILLO EAST 23H	42-013-35044	Active	Oil
GUAJILLO EAST 25H	42-013-35045	Active	Oil
GUAJILLO EAST 27H	42-013-35047	Active	Oil
GUAJILLO EAST 29H	42-013-35048	Active	Oil
GUAJILLO EAST 33H	42-013-34952	Active	Oil
GUAJILLO EAST 24H	42-013-35269	Active	Oil
GUAJILLO EAST 67H	42-013-35049	Active	Oil
GUAJILLO EAST AC 2H	42-013-35016	Active	Oil
GUAJILLO UNIT 10 NORTH 3H	42-297-35849	Active	Oil
GUAJILLO UNIT 10 NORTH 1H	42-297-35847	Active	Oil
GUAJILLO UNIT 10 NORTH 4H	42-297-35850	Active	Oil
GUAJILLO UNIT 10 NORTH 2H	42-297-35848	Active	Oil
GUAJILLO UNIT 10 SOUTH 4H	42-297-35877	Active	Oil
GUAJILLO UNIT 10 SOUTH 1H	42-297-35874	Active	Oil
GUAJILLO UNIT 10 SOUTH 5H	42-297-35878	Active	Oil
GUAJILLO UNIT 10 SOUTH 2H	42-297-35875	Active	Oil
GUAJILLO UNIT 10 SOUTH 3H	42-297-35876	Active	Oil
GUAJILLO UNIT 11 NORTH 4H	42-297-35845	Active	Oil
GUAJILLO UNIT 11 NORTH 1H	42-297-35842	Active	Oil
GUAJILLO UNIT 11 NORTH 5H	42-297-35846	Active	Oil
GUAJILLO UNIT 11 NORTH 2H	42-297-35843	Active	Oil
GUAJILLO UNIT 11 NORTH 3H	42-297-35844	Active	Oil
GUAJILLO UNIT 11 SOUTH 88H	42-297-35719	Active	Oil
GUAJILLO UNIT 11 SOUTH 90H	42-297-35717	Active	Oil
GUAJILLO UNIT 11 SOUTH 60H	42-297-35718	Active	Oil
GUAJILLO UNIT 11 SOUTH 56H	42-297-35715	Active	Oil
GUAJILLO UNIT 11 SOUTH 58H	42-297-35716	Active	Oil
GUAJILLO UNIT 12 NORTH 1H	42-297-35853	Active	Oil
GUAJILLO UNIT 12 NORTH 3H	42-297-35855	Active	Oil
GUAJILLO UNIT 12 NORTH 2H	42-297-35854	Active	Oil
GUAJILLO UNIT 12 NORTH 4H	42-297-35856	Active	Oil
GUAJILLO UNIT 12 SOUTH 1H	42-297-35801	Active	Oil
GUAJILLO UNIT 12 SOUTH 2H	42-297-35803	Active	Oil
GUAJILLO UNIT 12 SOUTH 4H	42-297-35804	Active	Oil
GUAJILLO UNIT 12 SOUTH 3H	42-297-35802	Active	Oil
GUAJILLO UNIT 13 SOUTH 1H	42-013-35841	Active	Oil
GUAJILLO UNIT 13 SOUTH 3H	42-013-35843	Active	Oil
GUAJILLO UNIT 13 SOUTH 4H	42-013-35844	Active	Oil
GUAJILLO UNIT 13 SOUTH 2H	42-013-35842	Active	Oil
GUAJILLO UNIT 14 SOUTH 1H	42-013-35845	Active	Oil
GUAJILLO UNIT 14 SOUTH 3H	42-013-35847	Active	Oil
GUAJILLO UNIT 14 SOUTH 4H	42-013-35848	Active	Oil
GUAJILLO UNIT 14 SOUTH 2H	42-013-35846	Active	Oil
GUAJILLO UNIT 15 SOUTH 3H	42-013-35770	Active	Oil
GUAJILLO UNIT 15 SOUTH 1H	42-013-35768	Active	Oil
GUAJILLO UNIT 15 SOUTH 5H	42-013-35772	Active	Oil
GUAJILLO UNIT 15 SOUTH 4H	42-013-35771	Active	Oil
GUAJILLO UNIT 15 SOUTH 2H	42-013-35769	Active	Oil
GUAJILLO UNIT 16 NORTH 4H	42-013-35479	Active	Oil
GUAJILLO UNIT 16 NORTH 1H	42-013-35476	Active	Oil
GUAJILLO UNIT 16 NORTH 2H	42-013-35477	Active	Oil
GUAJILLO UNIT 16 NORTH 3H	42-013-35478	Active	Oil

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