LEASES · O-13-14994 · OIL · DISTRICT 09
Castlebury -A-
ReportingWestneft LLC · Wilbarger County · Wilbarger County Regular field
Castlebury -A- is an RRC oil lease (O-13-14994) in Wilbarger County operated by Westneft LLC, with 9 wells completed on it.
It has reported 16.1K barrels of oil and 20 mcf of gas since January 1993, last reporting volume in August 2025 (statewide data runs through April 2026).
The last 12 reported months total 73 barrels of oil, down 69% on the year before; the lease peaked at 257 barrels in April 1998.
8 operators have filed production on it, most recently Westneft LLC since April 2025.
- 16.1K
- bbl oil, all reported
- 20
- mcf gas incl. casinghead
- 73
- bbl oil, last 12 reported
- -69%
- vs the 12 before
- 9
- wells completed on it
- 257
- peak month, bbl (Apr 1998)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME AUG 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 73 · prior 12 238(-69%)
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 0
Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.
Who reported it
Each run of months one operator filed the production report, oldest first.
- Byers, R.D.Jan 1993 → Feb 1998 · 62 mo
- Sunstar Energy, IncMar 1998 → Apr 1998 · 2 mo
- Riggins Energy Inc.May 1998 → Oct 1998 · 6 mo
- Abc NRGNov 1998 → Jul 2005 · 81 mo
- Lafonda Energy LLCAug 2005 → Jan 2018 · 150 mo
- Bonfire Operating LLCFeb 2018 → Jun 2021 · 41 mo
- Northfork Exploration LLCJul 2021 → Mar 2025 · 45 mo
- Westneft LLCApr 2025 → Jul 2026 · 16 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
9
wells completed on the lease
- NO Production
- 6
- Not on Schedule
- 1
- Shut In
- 1
- Plugged
- 1
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.
Developers: this page as JSON is GET /v1/data/leases/tx/o-13-14994, documented in the API reference.