LEASES · O-10-40309 · OIL · DISTRICT 08
Texas Z
ReportingMaverick Operating, LLC · Andrews County · Fullerton (San Andres, South) field
Texas Z is an RRC oil lease (O-10-40309) in Andrews County operated by Maverick Operating, LLC, with one well completed on it.
It has reported 8.24K barrels of oil and 13.4K mcf of gas since August 2006, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 186 barrels of oil, down 1% on the year before; the lease peaked at 337 barrels in December 2006.
5 operators have filed production on it, most recently Maverick Operating, LLC since July 2019.
- 8.24K
- bbl oil, all reported
- 13.4K
- mcf gas incl. casinghead
- 186
- bbl oil, last 12 reported
- -1%
- vs the 12 before
- 1
- wells completed on it
- 337
- peak month, bbl (Dec 2006)
PDQ LEASE REPORTS · FIRST AUG 2006 · 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 186 · prior 12 188(-1%)
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 165 · prior 12 224(-26%)
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.
- PDC EnergyAug 2006 → Sep 2008 · 26 mo
- Merit Energy CompanyOct 2008 → Jul 2010 · 22 mo
- PDC EnergyAug 2010 → Oct 2011 · 15 mo
- Butler, Kevin O. & Assoc., Inc.Nov 2011 → Jun 2019 · 92 mo
- Maverick Operating, LLCJul 2019 → Jul 2026 · 85 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-10-40309, documented in the API reference.