LEASES · O-11-15408 · OIL · DISTRICT 8A
Gillespie "A"
No volume since Jan 2000Byrd Operating Company · Felken (Spraberry) field
Gillespie "A" is an RRC oil lease (O-11-15408) in the Felken (Spraberry) field operated by Byrd Operating Company, with one well completed on it.
It has reported 29.1K barrels of oil and 6K mcf of gas since January 1993, last reporting volume in January 2000 (statewide data runs through April 2026).
The last 12 reported months total 673 barrels of oil, down 72% on the year before; the lease peaked at 719 barrels in January 1998.
2 operators have filed production on it, most recently Byrd Operating Company since September 1994.
- 29.1K
- bbl oil, all reported
- 6K
- mcf gas incl. casinghead
- 673
- bbl oil, last 12 reported
- -72%
- vs the 12 before
- 1
- wells completed on it
- 719
- peak month, bbl (Jan 1998)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JAN 2000 · 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 673 · prior 12 2,373(-72%)
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 225 · prior 12 300(-25%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Cox, John L.Jan 1993 → Aug 1994 · 20 mo
- Byrd Operating CompanySep 1994 → Apr 2000 · 68 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
1
wells completed on the lease
- Not on Schedule
- 1
Operates them now
Newest permits
- — #1—
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-11-15408, documented in the API reference.