LEASES · O-1-10489 · OIL · DISTRICT 01
Purvis
ReportingCalfas Oil, LLC · Bexar County · Fairfield field
Purvis is an RRC oil lease (O-1-10489) in Bexar County operated by Calfas Oil, LLC, with 9 wells completed on it.
It has reported 16.1K barrels of oil and 22 mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 406 barrels of oil, down 13% on the year before; the lease peaked at 211 barrels in February 1994.
6 operators have filed production on it, most recently Calfas Oil, LLC since February 2021.
- 16.1K
- bbl oil, all reported
- 22
- mcf gas incl. casinghead
- 406
- bbl oil, last 12 reported
- -13%
- vs the 12 before
- 9
- wells completed on it
- 211
- peak month, bbl (Feb 1994)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME APR 2026 · 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 406 · prior 12 468(-13%)
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.
- CG Oil Co.Jan 1993 → Mar 1996 · 39 mo
- CBR Oil CompanyApr 1996 → Jul 1997 · 16 mo
- Genie Oil CompanyAug 1997 → Nov 2015 · 220 mo
- Genie Oil Company "A"Dec 2015 → May 2018 · 30 mo
- Hardwick, Ross H. Oil CompanyJun 2018 → Jan 2021 · 32 mo
- Calfas Oil, LLCFeb 2021 → Jul 2026 · 66 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
9
wells completed on the lease
- Producing
- 9
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-1-10489, documented in the API reference.