Oil and gas leases in Castlerock Ef Operating LLC
Castlerock Ef Operating LLC is a Texas operator, Commission number 100156, with 9 leases reporting production across 2 counties. Between them they carry 13 wellbores. Reported volumes run from May 2022 to August 2026 and come to 3.1 million barrels of oil. Every lease below has its own page with a decline-curve forecast and an estimate of what the whole lease is worth.
Key facts about Castlerock Ef Operating LLC
- How many oil and gas leases are in Castlerock Ef Operating LLC?
- Castlerock Ef Operating LLC has 9 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
- How much oil and gas has Castlerock Ef Operating LLC produced?
- Leases in Castlerock Ef Operating LLC have reported 3,060,187 barrels of oil (bbl) to the Railroad Commission of Texas between May 2022 and August 2026.
- How much are mineral rights in Castlerock Ef Operating LLC worth?
- There is no single figure: what a mineral or royalty interest in Castlerock Ef Operating LLC is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 9 leases listed here has its own page with the full production history the operator reported, a decline-curve forecast, and an estimate of what a royalty interest in it is worth today.
Counties here
- Mcmullen County — 5 leases
- La Salle County — 4 leases
Railroad Commission districts
- District 01 — 9 leases
Leases
- CRX YBAR — oil, Castlerock Ef Operating LLC, Mcmullen County, 1.1 million reported
- CRX YBAR B — oil, Castlerock Ef Operating LLC, La Salle County, 333 thousand reported
- CRX YBAR C — oil, Castlerock Ef Operating LLC, La Salle County, 329 thousand reported
- CRX YBAR A — oil, Castlerock Ef Operating LLC, La Salle County, 315 thousand reported
- CRX YBAR D — oil, Castlerock Ef Operating LLC, La Salle County, 302 thousand reported
- Y-BAR 170H UNIT — oil, Castlerock Ef Operating LLC, Mcmullen County, 233 thousand reported
- Y-BAR 160H UNIT — oil, Castlerock Ef Operating LLC, Mcmullen County, 207 thousand reported
- CRX YBAR E — oil, Castlerock Ef Operating LLC, Mcmullen County, 175 thousand reported
- Y-BAR A — oil, Castlerock Ef Operating LLC, Mcmullen County, 110 thousand reported
Production figures are as reported to the Railroad Commission of Texas. Values shown on lease pages are estimates produced by fitting a decline curve to that reported history; they are not offers or appraisals.