1 recent activity records on file for Castlerock Ef Operating LLC across TX — permits filed in the last 24 months, wells spudded in the last 90 days, wells turning to first production in the last 6 months, and drilled-uncompleted (DUC) inventory.
Refreshed monthly from TX RRC + OK OCC well-header records. Data current as of 2026-06-09.
Where Castlerock Ef Operating LLC is most active across all 4 activity datasets:
La Salle, TX — 1 activity record
Which formations / plays Castlerock Ef Operating LLC is targeting:
Gulf Coast Basin (La - TX) — 1 activity record
The most recent 1 drilling permit filed by Castlerock Ef Operating LLC:
| Permit Date | Well | API | County | State | Formation | Lateral (ft) |
|---|---|---|---|---|---|---|
| 2025-02-05 | Y-Bar 140h | 4228337640 |
La Salle | TX | Gulf Coast Basin (La - TX) | 12,650 |
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Get Your Free Mineral ValuationOperator: Castlerock Ef Operating LLC
States active: TX
Total activity: 1
Permits 24mo: 1
Spuds 90d: 0
New producers: 0
DUC inventory: 0
Last refresh: 2026-06-09
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