Skip to research

KOOPMAN 01 - LANG 01 F

RRC identifier: 02 / 290801County: DE WITTOperator: MARATHON OIL EF LLCField: DE WITT (EAGLE FORD SHALE)Reporting level: Gas well

Reported monthly production for this RRC district and lease identifier. Multiple county allocations or gas-well reporting entities may be grouped on this page. Cumulative since Apr 2026.

Most recent monthJul 2026Latest of 4 loaded months
Cumulative oil since Apr 20260Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 20262,691Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 202634,747Gas well 34,747 · Casinghead 0 · Apr 2026–Jul 2026 · 4 months
Peak oil (since Apr 2026)Jul 2026Highest of 4 loaded months · latest if tied
Peak total gas (gas well + casinghead) (since Apr 2026)Apr 20269,910 MCF · Highest of 4 loaded months · latest if tied
Latest entities1Leases or gas wells

Monthly production trend

4 loaded reporting months (Apr 2026–Jul 2026); oil and gas use separate relative scales.

Production history before Apr 2026 is not loaded yet.

Oil (relative BBL scale)Total gas (gas well + casinghead)

Production history

Newest reporting month first.

Production monthOil (BBL)Condensate (BBL)Total gas (gas well + casinghead)Gas well (MCF)Casinghead gas (MCF)Reporting entities
Jul 202608039,5969,59601
Jun 202607515,7625,76201
May 202605289,4799,47901
Apr 202606099,9109,91001

Source: Railroad Commission of Texas. Not endorsed by the Railroad Commission of Texas.