Oil and gas leases in Marathon Oil Ef LLC — page 2

Marathon Oil Ef LLC is a Texas operator, Commission number 525398, with 1,318 leases reporting production across 9 counties. 568 of them are oil leases and 750 are gas leases. Between them they carry 2,565 wellbores. Reported volumes run from October 2010 to August 2026 and come to 389.0 million barrels of oil and 925.2 million Mcf of gas. Every lease below has its own page with a decline-curve forecast and an estimate of what the whole lease is worth.

Key facts about Marathon Oil Ef LLC

How many oil and gas leases are in Marathon Oil Ef LLC?: Marathon Oil Ef LLC has 1,318 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Marathon Oil Ef LLC produced?: Leases in Marathon Oil Ef LLC have reported 388,991,277 barrels of oil (bbl) and 925,179,763 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between October 2010 and August 2026.
How much are mineral rights in Marathon Oil Ef LLC worth?: There is no single figure: what a mineral or royalty interest in Marathon Oil Ef LLC is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 1,318 leases listed here has its own page with the full production history the operator reported, a decline-curve forecast, and an estimate of what a royalty interest in it is worth today.

Leases — page 2 of 7

HOLLMAN UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
WIEDING-WESTON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
PATINO UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
DAVIS-ALEXANDER SA1 — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
KRANER UNIT B — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
DAVILA UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 1.7 million reported
HARTMAN UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
KENNEDY — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
KRANER UNIT B AC — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
RIPPSTEIN-RAFTER UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
DAVIS-MENSIK SA1 — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 1.7 million reported
HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 1.7 million reported
BRYSCH JONAS UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
MCCOY-RAFTERS UNIT — oil, Marathon Oil Ef LLC, Live Oak County, 1.7 million reported
DAVILA-GRAHAM UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
CHILDREN'S WESTON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
MOBIL UNIT C — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
MAD KING UNIT — gas, Marathon Oil Ef LLC, Lavaca County, 1.7 million reported
DAVILA-GRAHAM UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
EASLEY UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 1.7 million reported
ADAMS-TIPTON UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
WIEDING-WESTON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
MCCOY-EGBERT UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.7 million reported
KENNEDY — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
KENNEDY-OLSON ESSE 2H PSA — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
MEDINA JONAS UNIT C — oil, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
SAN CHRISTOVAL RANCH UNIT G — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
RODRIGUEZ-TRIAL UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
SWIZE MCFARLAND UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
REYNOLDS GAS UNIT 1 — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
SAN CHRISTOVAL RANCH UNIT G AC — gas, Marathon Oil Ef LLC, Live Oak County, 1.6 million reported
FRANKE UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
JANSSEN - OETKEN 01 D — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
FOSTER UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
RIDLEY FARMS 01 — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
WIEDING-WESTON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
KRANER UNIT B AC — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
FORSHAGE-HOWELL UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
DAVILA-GRAHAM UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
CARPENTER-KELLNER UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
THREE SISTERS 01 - WILBUR E 01 D — gas, Marathon Oil Ef LLC, Live Oak County, 1.6 million reported
FRANKE-FOSTER-PATINO SA10 — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
MOBIL UNIT C — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
FREE UNIT — gas, Marathon Oil Ef LLC, Live Oak County, 1.6 million reported
RIDLEY FARMS 01 — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
HONS BRODSKY UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
KOWALIK 228-1R — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
DULLYE 01 — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
74 RANCH UNIT S2 — oil, Marathon Oil Ef LLC, Atascosa County, 1.6 million reported
MURPHY-SINCLAIR UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
KRANER UNIT A — gas, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
FRANKE-MAY UNIT B — oil, Marathon Oil Ef LLC, Karnes County, 1.6 million reported
NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 1.6 million reported
FORSHAGE-HOWELL UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 1.5 million reported
NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 1.5 million reported
BLACKJACK UNIT 'B' — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
SAN CHRISTOVAL RANCH UNIT G — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
BARBOZA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 1.5 million reported
MCCOY-HAMILTON UNIT — oil, Marathon Oil Ef LLC, Live Oak County, 1.5 million reported
KENNEDY — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
JAUER UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
FREE UNIT — gas, Marathon Oil Ef LLC, Live Oak County, 1.5 million reported
KEMPE-LAUBACH UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
JANSSEN - OETKEN 01 E — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
JANSSEN - OETKEN 01 C — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
MOBIL UNIT D AC — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
SAN CHRISTOVAL RANCH UNIT C — gas, Marathon Oil Ef LLC, Live Oak County, 1.5 million reported
RIDLEY FARMS 01 — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
CHILDREN'S WESTON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
BARBOZA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
BRYSCH-JONAS UNIT C — oil, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
EASLEY UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
BUEHRING UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
GUAJILLO UNIT 8 SOUTH — oil, Marathon Oil Ef LLC, Atascosa County, 1.5 million reported
CHAPMAN-ROGERS UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
FRANKE-JOHNSON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
MURPHY-SINCLAIR UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
BAILEY-RETZLOFF UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
HEMBY UNIT 'A' — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
FORSHAGE-HOWELL UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
SIENKIEWICZ UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
BLACKJACK UNIT D — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
JAUER-PECK UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
KRANER UNIT B AC — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
KOWALIK 228-1R AC — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
74 RANCH SPECIAL UNIT EAST — oil, Marathon Oil Ef LLC, Atascosa County, 1.5 million reported
MEDINA TRIAL UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
KENNEDY — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
BARBOZA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
FRANKE UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
PATINO UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
FREE UNIT — gas, Marathon Oil Ef LLC, Live Oak County, 1.5 million reported
MURPHY-SINCLAIR UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
KENNEDY — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 1.5 million reported
MIKKELSON-WITTE UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
CULBERSON-PATTESON UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
LUNA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
HENDERSON — gas, Marathon Oil Ef LLC, De Witt County, 1.5 million reported
FRANKE-JOHNSON UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
MORGAN UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
WESTON-HENKE UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
FRANKE-JOHNSON UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
EASLEY UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.5 million reported
MILLER-RIDOUT UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
CHILDREN'S-WESTON UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
TOM-SMITH UNIT A — oil, Marathon Oil Ef LLC, Atascosa County, 1.4 million reported
SPRENCEL-PECK UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
LEVI PULLIN UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
KRANER UNIT B — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
KENNEDY-OLSON ESSE 6H PSA — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
HEMBY UNIT 'A' — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
YOSKO-KINKLER UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
BARBOZA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
MOBIL UNIT C — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
DAVILA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
FOSTER UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
KENNEDY-OLSON ESSE 8H PSA — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
HOLLMAN UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
KENNEDY — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
KIRK 01 — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
FREE UNIT — gas, Marathon Oil Ef LLC, Live Oak County, 1.4 million reported
FORSHAGE-HOWELL UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
BAILEY-RETZLOFF UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
FRANKE JOHNSON-PATINO 4H PSA AC — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
MOCZYGEMBA-JAUER UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
FOSTER UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
KENNEDY — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
FRANKE-JOHNSON UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
MURPHY-SINCLAIR UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
FOSTER UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
REYNOLDS GAS UNIT 1 — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
SAN CHRISTOVAL RANCH UNIT B — gas, Marathon Oil Ef LLC, Live Oak County, 1.4 million reported
L.B. HAILEY-DAVILA-BAILEY SA — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
DAVILA-GRAHAM UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
WILHELM SMITH UNIT B — oil, Marathon Oil Ef LLC, Atascosa County, 1.4 million reported
HEMBY UNIT 'A' — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
MOBIL UNIT A — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
CHALLENGER UNIT C AC — oil, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
KRANER UNIT B — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
SAN CHRISTOVAL RANCH UNIT G AC — gas, Marathon Oil Ef LLC, Live Oak County, 1.4 million reported
NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 1.4 million reported
THREE SISTERS 01 - WILBUR E 01 C — gas, Marathon Oil Ef LLC, Live Oak County, 1.4 million reported
FORISTER-541 UNIT A — oil, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
DAVILA-GRAHAM UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
KENNEDY — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
BAILEY-RETZLOFF UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
FRANKE-JOHNSON UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
FREE UNIT — gas, Marathon Oil Ef LLC, Live Oak County, 1.4 million reported
FOSTER UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
THREE SISTERS 01 - WILBUR E 01 A — gas, Marathon Oil Ef LLC, Live Oak County, 1.4 million reported
MAY B UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
KIRK-LONG SA1 — gas, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
FORISTER-JANYSEK UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.4 million reported
BARBOZA UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
LISKA-ELIZONDO SA1 — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
LUNA-MAY UNIT PSA — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
FOSTER UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
DAVILA-GRAHAM-KOWALIK SA — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
RIDLEY FARMS 01 - DULLYE 01 B — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
BAILEY-RETZLOFF UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
MOBIL UNIT A — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
HOLLAND-BROWN UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
BARNHART (EF) G — oil, Marathon Oil Ef LLC, Gonzales County, 1.3 million reported
KENNEDY — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
FOSTER UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
FORSHAGE-HOWELL UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
FORSHAGE-HOWELL UNIT AC — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
IVAS SMITH 02 — gas, Marathon Oil Ef LLC, Live Oak County, 1.3 million reported
NITSCH UNIT A — gas, Marathon Oil Ef LLC, Live Oak County, 1.3 million reported
SHINER UNIT B — gas, Marathon Oil Ef LLC, Lavaca County, 1.3 million reported
BAILEY-RETZLOFF UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
HEMBY UNIT 'A' — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
GUAJILLO UNIT 7 SOUTH — oil, Marathon Oil Ef LLC, Atascosa County, 1.3 million reported
74 RANCH UNIT S1 — oil, Marathon Oil Ef LLC, Atascosa County, 1.3 million reported
RIDLEY FARMS 01 - DULLYE 01 C — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
ANZALDUA OXFORD UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
HOLLAND-OPIELA UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
MOBIL UNIT B — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
FORISTER 541 UNIT B — oil, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
TRIAL UNIT — oil, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
KRANER UNIT A — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
SAN CHRISTOVAL RANCH UNIT B — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
KENNEDY — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
NITSCH UNIT B — gas, Marathon Oil Ef LLC, Live Oak County, 1.3 million reported
MOBIL UNIT D — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
JOHNSON-TSCHIRHART UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
BARNHART (EF) J — oil, Marathon Oil Ef LLC, Gonzales County, 1.3 million reported
MURPHY-SINCLAIR UNIT — gas, Marathon Oil Ef LLC, Karnes County, 1.3 million reported
NITSCH UNIT B — gas, Marathon Oil Ef LLC, Live Oak County, 1.3 million reported

Production figures are as reported to the Railroad Commission of Texas. Values shown on lease pages are estimates produced by fitting a decline curve to that reported history; they are not offers or appraisals.