MARATHON OIL EF LLC
1,946 Texas wells (1,701 producing) across 8 counties, with 19.5 million BOE reported over the last 12 months. RRC well, lease and production records for MARATHON OIL EF LLC, mapped to the Texas abstract grid.
Public counts, always visible
1,701
Producing wells
Free1,946
Total wells
Free8
Counties
Free19.5M BOE
Oil & gas, last 12 months
FreeThe figures that drive the decision
Labelled here, shown in the live report, plus every parcel you search.
Cumulative production since 1993 (BOE)
What the Texas pack answers
8 counties, led by Karnes (1,228 wells), Atascosa (325 wells) and Live Oak (171 wells). The Texas pack maps every well by abstract with its status and lease.
Full answer · Texas pack12.5 million barrels of oil and 42.2 million Mcf of gas in the 12 months to Oct 2026, across 1,472 RRC leases. The Texas pack shows the monthly history for each lease.
Full answer · Texas pack11 fields, the largest by well count being Eagleville (Eagle FORD-2), Eagleville (Eagle FORD-1) and Sugarkane (Eagle Ford). The Texas pack adds the offset operators in each field.
Full answer · Texas packWhere MARATHON OIL EF LLC holds wells
Shown in full, no gate: the proof the numbers on this page are live.
Top counties
Wells by county
| Karnes County | 1,228 |
| Atascosa County | 325 |
| Live Oak County | 171 |
| Gonzales County | 141 |
Top fields
Share of the operator's wells
Get the full Texas report for MARATHON OIL EF LLC
Every well with its status, lease-level production history, drilling permits and offset operators for MARATHON OIL EF LLC, plus any Texas parcel you search.