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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
GUAJILLO UNIT 16 SOUTH 2H	42-013-35383	Active	Oil
GUAJILLO UNIT 16 SOUTH 1H	42-013-35382	Active	Oil
GUAJILLO UNIT 16 SOUTH 3H	42-013-35381	Active	Oil
GUAJILLO UNIT 16 SOUTH 4H	42-013-35384	Active	Oil
GUAJILLO UNIT 7 SOUTH 4H	42-013-35377	Active	Oil
GUAJILLO UNIT 7 SOUTH 2H	42-013-35376	Active	Oil
GUAJILLO UNIT 7 SOUTH 5H	42-013-35378	Active	Oil
GUAJILLO UNIT 7 SOUTH 3H	42-013-35375	Active	Oil
GUAJILLO UNIT 7 SOUTH 1H	42-013-35374	Active	Oil
GUAJILLO UNIT 8 NORTH 5H	42-013-35548	Active	Oil
GUAJILLO UNIT 8 NORTH 4H	42-013-35547	Active	Oil
GUAJILLO UNIT 8 NORTH 1H	42-013-35544	Active	Oil
GUAJILLO UNIT 8 NORTH 2H	42-013-35545	Active	Oil
GUAJILLO UNIT 8 NORTH 3H	42-013-35546	Active	Oil
GUAJILLO UNIT 8 SOUTH 5H	42-013-35417	Active	Oil
GUAJILLO UNIT 8 SOUTH 1H	42-013-35414	Active	Oil
GUAJILLO UNIT 8 SOUTH 4H	42-013-35416	Active	Oil
GUAJILLO UNIT 8 SOUTH 3H	42-013-35415	Active	Oil
GUAJILLO UNIT 8 SOUTH 2H	42-013-35413	Active	Oil
GUAJILLO UNIT 9 NORTH 51H	42-013-35154	Active	Oil
GUAJILLO UNIT 9 NORTH 87H	42-013-35152	Active	Oil
GUAJILLO UNIT 9 NORTH 53H	42-013-35153	Active	Oil
GUAJILLO UNIT 9 NORTH 49H	42-013-35151	Active	Oil
GUAJILLO UNIT 9 SOUTH 3H	42-013-35336	Active	Oil
GUAJILLO UNIT 9 SOUTH 4H	42-013-35337	Active	Oil
GUAJILLO UNIT 9 SOUTH 1H	42-013-35334	Active	Oil
GUAJILLO UNIT 9 SOUTH 2H	42-013-35335	Active	Oil
GUAJILLO WEST 56H	42-013-35466	Active	Oil
GUAJILLO WEST 38H	42-013-35463	Active	Oil
GUAJILLO WEST 15H	42-297-35883	Active	Oil
GUAJILLO WEST 17H	42-297-35884	Active	Oil
GUAJILLO WEST 19H	42-297-35886	Active	Oil
GUAJILLO WEST 60H	42-297-35885	Active	Oil
GUAJILLO WEST 58H	42-013-35462	Active	Oil
GUAJILLO WEST 36H	42-013-35464	Active	Oil
GUAJILLO WEST 34H	42-013-35465	Active	Oil
GUAJILLO-IDYLWOOD SA3 3H	42-297-36418	Active	Oil
GUAJILLO-STCH SA2 2H	42-297-36417	Active	Oil
GUAJILLO-STCH SA4 4H	42-297-36419	Active	Oil
GUAJILLO-WHITSETT POSEY SA1 1H	42-297-36416	Active	Oil
H.ANZALDUA-HEDTKE SA 1H	42-255-37535	Active	Oil
HAMILTON 4H	42-297-35291	Shut in	Oil
HAMILTON 3H	42-297-35295	Active	Oil
HAMILTON 2H	42-297-35294	Active	Oil & gas
HAMILTON 1H	42-297-35292	Active	Oil
HAMILTON WALLIS 1H	42-123-33217	Temporarily abandoned	Gas
HANDY 02 0205H	42-255-32667	Active	Gas
HANDY 02 0102H	42-255-32560	Active	Oil & gas
HANDY 02 0101H	42-255-31635	Active	Gas
HANDY 02 0106H	42-255-32983	Active	Gas
HANDY 02 0103H	42-255-32561	Active	Gas
HANDY 02 0104H	42-255-32562	Active	Gas
HANDY 02 0203H	42-255-32394	Active	Gas
HANDY 02 0201H	42-255-31686	Active	Gas
HANDY 02 0206H	42-255-32399	Active	Gas
HANDY 02 0207H	42-255-32400	Active	Gas
HANDY 02 0105H	42-255-32563	Active	Gas
HANDY 02 0107H	42-255-32982	Active	Gas
HANDY 02 0204H	42-255-32396	Active	Gas
HANDY 02 0202H	42-255-32378	Active	Gas
HARDY UNIT AC 2H	42-255-36298	Active	Oil
HARDY UNIT AC 1H	42-255-36297	Active	Oil
HARLAN METTING 01 02H	42-123-32802	Temporarily abandoned	Gas
HARLAN METTING 01 08H	42-123-33966	Active	Gas
HARLAN METTING 01 07H	42-123-33964	Active	Gas
HARLAN METTING 01 06H	42-123-33963	Active	Gas
HARLAN METTING 01 05H	42-123-33962	Active	Gas
HARLAN METTING 01 04H	42-123-33961	Active	Gas
HARLAN METTING 01 03H	42-123-33960	Active	Gas
HARLAN METTING 01 01H	42-123-32261	Active	Gas
HARLAN METTING 01 09H	42-123-33965	Active	Gas
HAROLD GOHMERT 01 01H	42-123-32538	Active	Gas
HAROLD GOHMERT 01 - HAY 01 A 01H	42-123-35206	Active	Gas
HAROLD GOHMERT 01 - HAY 01 B 02H	42-123-35207	Active	Gas
HAROLD GOHMERT 01 - W01 - H01 C 03H	42-123-35208	Active	Gas
HARTMAN UNIT 3H	42-255-33503	Active	Oil
HARTMAN UNIT 1H	42-255-32245	Active	Oil
HARTMAN UNIT 4H	42-255-33497	Active	Oil
HARTMAN UNIT 5H	42-255-33496	Shut in	Oil
HARTMAN UNIT 2H	42-255-33504	Active	Oil
HARTMAN UNIT AC 1H	42-255-33572	Active	Oil
HARTMAN-RIPPSTEIN MIKKELSON SA1 1H	42-255-38029	Active	Oil
HAUSMANN UNIT 1H	42-255-34942	Active	Oil
HAVEMAN 01 01H	42-255-31685	Active	Gas
HAVEMAN 01 02H	42-255-32556	Active	Gas
HAVEMAN 01 06H	42-255-34216	Active	Gas
HAVEMAN 01 03H	42-255-34213	Active	Gas
HAVEMAN 01 04H	42-255-34214	Active	Gas
HAVEMAN 01 05H	42-255-34215	Active	Gas
HAVEMAN TRUST 01 3H	42-255-36644	Active	Gas
HAVEMAN TRUST 01 4H	42-255-36645	Active	Gas
HAVEMAN TRUST 01 5HR	42-255-36798	Active	Gas
HAVEMAN TRUST 01 01H	42-255-32223	Active	Gas
HAVEMAN TRUST 01 02H	42-255-33008	Active	Gas
HAVEMAN TRUST 01 5H	42-255-36647	Shut in	Gas
HAVEMAN TRUST 01 - H 01 A 1H	42-255-36655	Shut in	Oil
HAVEMAN TRUST 01 - H 01 B 2H	42-255-36656	Shut in	Gas
HAVEMAN TRUST 01 - H 01 B 2H	42-255-36656	Shut in	Unknown
HAVEMAN TRUST 01 - H01 C 03H	42-255-37200	Active	Gas
HAVEMAN TRUST 01 - H01 D 04H	42-255-37199	Active	Gas

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