HIERHOLZER RETZLOFF-MCMAHON SA3
RRC identifier: 01 / 21723County: ATASCOSAOperator: MARATHON OIL EF LLCField: EAGLEVILLE (EAGLE FORD-1)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 202642,935Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 20260Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 202663,031Gas well 0 · Casinghead 63,031 · Apr 2026–Jul 2026 · 4 months
Peak oil (since Apr 2026)Jun 2026Highest of 4 loaded months · latest if tied
Peak total gas (gas well + casinghead) (since Apr 2026)Jun 202618,653 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 month | Oil (BBL) | Condensate (BBL) | Total gas (gas well + casinghead) | Gas well (MCF) | Casinghead gas (MCF) | Reporting entities |
|---|---|---|---|---|---|---|
| Jul 2026 | 10,593 | 0 | 14,198 | 0 | 14,198 | 1 |
| Jun 2026 | 11,888 | 0 | 18,653 | 0 | 18,653 | 1 |
| May 2026 | 10,919 | 0 | 14,701 | 0 | 14,701 | 1 |
| Apr 2026 | 9,535 | 0 | 15,479 | 0 | 15,479 | 1 |
Source: Railroad Commission of Texas. Not endorsed by the Railroad Commission of Texas.