LEASES · O-1-16919 · OIL · DISTRICT 01
Y Bar MCM
No volume since Feb 2025Castlerock EF Operating LLC · McMullen County · Eagleville (Eagle Ford-1) field
Y Bar Mcm is an RRC oil lease (O-1-16919) in Mcmullen County operated by Castlerock EF Operating LLC, with 2 wells completed on it.
It has reported 277K barrels of oil and 180K mcf of gas since May 2013, last reporting volume in February 2025 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in February 2025.
4 operators have filed production on it, most recently Castlerock EF Operating LLC since January 2022.
- 277K
- bbl oil, all reported
- 180K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- -100%
- vs the 12 before
- 2
- wells completed on it
- 20.5K
- peak month, bbl (Nov 2013)
PDQ LEASE REPORTS · FIRST MAY 2013 · LAST VOLUME FEB 2025 · STATEWIDE DATA THROUGH APR 2026
Oil by month
Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.
Last 12 months 0 · prior 12 1,189(-100%)
Gas by month
Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.
Last 12 months 0 · prior 12 1,739(-100%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Chesapeake Operating, Inc.May 2013 → Oct 2014 · 18 mo
- Chesapeake Operating, L.L.C.Nov 2014 → May 2017 · 31 mo
- Murphy Expl. & Prod. Co. - USAJun 2017 → Dec 2021 · 55 mo
- Castlerock EF Operating LLCJan 2022 → Jul 2026 · 55 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Shut IN
- 2
Operates them now
About this data
Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.
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