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DEMING-HERBERN SA1

RRC identifier: 02 / 12918County: KARNESOperator: MARATHON OIL EF LLCField: SUGARKANE (EAGLE FORD)Reporting level: Oil lease

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 20269,307Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 20260Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 2026136,509Gas well 0 · Casinghead 136,509 · Apr 2026–Jul 2026 · 4 months
Peak oil (since Apr 2026)May 2026Highest of 4 loaded months · latest if tied
Peak total gas (gas well + casinghead) (since Apr 2026)Apr 202642,565 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 20262,222030,855030,8551
Jun 20261,540023,684023,6841
May 20262,776039,405039,4051
Apr 20262,769042,565042,5651

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