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MARATHON OIL EF LLC: wells in Mcmullen County, TX
- 37wells on record
- 32active
- 5shut in or idle
- 0plugged
- 0disposal / injection
All MARATHON OIL EF LLC wells in Texas · Every operator in Mcmullen County, TX
Not plugged · All wells · Plugged · Orphaned · Disposal (SWD) and injection
🔒 Map every MARATHON OIL EF LLC well in Mcmullen County, TX. Start Basic
Wells
| Well | API / ID | Status | Type |
|---|---|---|---|
| 74 RANCH SPECIAL UNIT EAST 5H | 42-311-35448 | Active | Oil |
| 74 RANCH SPECIAL UNIT EAST 4H | 42-311-35447 | Active | Oil |
| 74 RANCH SPECIAL UNIT WEST 4H | 42-311-35523 | Active | Oil |
| 74 RANCH SPECIAL UNIT WEST 3H | 42-311-35452 | Active | Oil |
| 74 RANCH SPECIAL UNIT WEST 2H | 42-311-35451 | Active | Oil |
| 74 RANCH SPECIAL UNIT WEST 1H | 42-311-35449 | Active | Oil |
| MIDDLE MCCOWEN 98H | 42-311-36734 | Active | Oil |
| MIDDLE MCCOWEN 101H | 42-311-36934 | Active | Oil |
| MIDDLE MCCOWEN 100H | 42-311-36933 | Shut in | Oil |
| MIDDLE MCCOWEN 68H | 42-311-35535 | Active | Oil |
🔒 See all 37 of these wells, with the map, filters and paging. Start Basic | |||
Operator names are shown as the Railroad Commission of Texas records them. Data as of 2026-10-17.