MARATHON OIL EF LLC
RRC operator number: 525398
Monthly oil and gas production attributed to this RRC operator number in the loaded official reporting history. Cumulative since Apr 2026.
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Most recent monthJul 2026Latest of 4 loaded months
Cumulative oil since Apr 20265,799,412Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 20262,522,301Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 202630,610,662Gas well 21,969,174 · Casinghead 8,641,488 · Apr 2026–Jul 2026 · 4 months
Peak oil (since Apr 2026)Apr 2026Highest of 4 loaded months · latest if tied
Peak total gas (gas well + casinghead) (since Apr 2026)Apr 20268,158,729 MCF · Highest of 4 loaded months · latest if tied
Latest entities1,971Leases 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)
Leading counties by oil
Ranked for the latest available production month.
Leading fields by oil
Ranked for the latest available production month.
1EAGLEVILLE (EAGLE FORD-1)740,534 BBL
2EAGLEVILLE (EAGLE FORD-2)656,341 BBL
3SUGARKANE (EAGLE FORD)34,005 BBL
4SUGARKANE (AUSTIN CHALK)13,663 BBL
5FASHING (AUSTIN CHALK)265 BBL
6WILDCAT0 BBL
Producing leases by oil
Ranked for the latest available production month.
1MIDDLE MCCOWEN193,651 BBL
2BARNHART (EF)71,002 BBL
3MIDDLE MCCOWEN22,198 BBL
4GUAJILLO EAST18,371 BBL
5GRIFFIN-KRUEGER SA417,076 BBL
6RIDLEY 0115,525 BBL
774 RANCH UNIT S214,051 BBL
8MCS FOUNDATION UNIT13,411 BBL
9GRIFFIN-KRUEGER SA213,247 BBL
10GRIFFIN-KRUEGER SA311,313 BBL
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 | 1,444,808 | 626,135 | 7,638,184 | 5,475,398 | 2,162,786 | 1,971 |
| Jun 2026 | 1,385,093 | 588,471 | 7,193,773 | 5,137,165 | 2,056,608 | 1,968 |
| May 2026 | 1,445,748 | 632,506 | 7,619,976 | 5,499,408 | 2,120,568 | 1,968 |
| Apr 2026 | 1,523,763 | 675,189 | 8,158,729 | 5,857,203 | 2,301,526 | 1,968 |
Source: Railroad Commission of Texas. Not endorsed by the Railroad Commission of Texas.