LEASES · O-1-10791 · OIL · DISTRICT 01
Winans, Andrew
No volume since Feb 2021Calfas Oil, LLC · Atascosa County · Somerset field
Winans, Andrew is an RRC oil lease (O-1-10791) in Atascosa County operated by Calfas Oil, LLC, with 9 wells completed on it.
It has reported 13K barrels of oil and 18 mcf of gas since January 1993, last reporting volume in February 2021 (statewide data runs through April 2026).
The last 12 reported months total 227 barrels of oil; the lease peaked at 240 barrels in August 1997.
4 operators have filed production on it, most recently Calfas Oil, LLC since March 2020.
- 13K
- bbl oil, all reported
- 18
- mcf gas incl. casinghead
- 227
- bbl oil, last 12 reported
- —
- vs the 12 before
- 9
- wells completed on it
- 240
- peak month, bbl (Aug 1997)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME FEB 2021 · 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 227 · prior 12 93(+144%)
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
Who reported it
Each run of months one operator filed the production report, oldest first.
- Partin, CharlesJan 1993 → Dec 2004 · 144 mo
- P J PartnershipJan 2005 → Oct 2010 · 70 mo
- MCB C & J, LLCNov 2010 → Feb 2020 · 112 mo
- Calfas Oil, LLCMar 2020 → Jun 2021 · 16 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
9
wells completed on the lease
- Not on Schedule
- 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-1-10791, documented in the API reference.