CHALLENGER UNIT B
RRC oil lease 10434 in Karnes County, operated by MARATHON OIL EF LLC. 2.6 million BOE reported since 2013 from 9 wells in the Eagleville (Eagle FORD-2) field.
Public counts, always visible
2.6M BOE
Cumulative production
Free19K BOE
Last 12 months
Free9
Wells on the lease
FreeFeb 2013
Reporting since
FreeThe figures that drive the decision
Labelled here, shown in the live report, plus every parcel you search.
Months of oil, gas & water history on file
What the Texas pack answers
2.6 million barrels of oil in RRC records from Feb 2013 to Oct 2026, or 2.6 million BOE. The Texas pack shows every month of that history.
Full answer · Texas packMARATHON OIL EF LLC (RRC operator 525398) reports production on lease 10434 in RRC District 02. The Texas pack adds the wells on the lease and the operators around it.
Full answer · Texas packKarnes County, on abstract A-10, in the Eagleville (Eagle FORD-2) field. The Texas pack maps the lease wells on the abstract grid with the pipelines and permits nearby.
Full answer · Texas packWhat lease 10434 has produced
Shown in full, no gate: the proof the numbers on this page are live.
Production summary
RRC production reports
| Months producing | 165 |
| Cumulative oil (bbl) | 2,607,449 |
| Cumulative gas (Mcf) | 0 |
| Last 12 months (BOE) | 18,755 |
Annual production
BOE per full calendar year
Get the full production history for CHALLENGER UNIT B
Monthly oil, gas and water for lease 10434, the wells allocated to it, and the offset leases around it, plus any Texas parcel you search.