LEASES · O-1-14262 · OIL · DISTRICT 01
Pfeiffer
No volume since Mar 2023CML Exploration, LLC · Zavala County · Pearsall (Austin Chalk) field
Pfeiffer is an RRC oil lease (O-1-14262) in Zavala County operated by Cml Exploration, LLC, with one well completed on it.
It has reported 270K barrels of oil and 63.4K mcf of gas since May 1999, last reporting volume in March 2023 (statewide data runs through April 2026).
The last 12 reported months total 47 barrels of oil, down 97% on the year before; the lease peaked at 19.8K barrels in June 1999.
4 operators have filed production on it, most recently Cml Exploration, LLC since March 2022.
- 270K
- bbl oil, all reported
- 63.4K
- mcf gas incl. casinghead
- 47
- bbl oil, last 12 reported
- -97%
- vs the 12 before
- 1
- wells completed on it
- 19.8K
- peak month, bbl (Jun 1999)
PDQ LEASE REPORTS · FIRST MAY 1999 · LAST VOLUME MAR 2023 · 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 47 · prior 12 1,419(-97%)
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.
- WCS Oil and Gas CorporationMay 1999 → Apr 2005 · 72 mo
- WCS Oil & Gas CorporationMay 2005 → Aug 2021 · 196 mo
- Magnolia Oil & Gas Operating LLCSep 2021 → Feb 2022 · 6 mo
- CML Exploration, LLCMar 2022 → Oct 2023 · 20 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
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-1-14262, documented in the API reference.