LEASES · O-9-15166 · OIL · DISTRICT 7C
Mann 20
ReportingDarkens Oil & Gas Inc. · Pecos County · Tippett (Clear Fork Lo.) field
Mann 20 is an RRC oil lease (O-9-15166) in Pecos County operated by Darkens Oil & Gas Inc., with one well completed on it.
It has reported 3.77K barrels of oil and 144K mcf of gas since July 2001, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 137 barrels of oil, up 5% on the year before; the lease peaked at 95 barrels in December 2010.
2 operators have filed production on it, most recently Darkens Oil & Gas Inc. since November 2016.
- 3.77K
- bbl oil, all reported
- 144K
- mcf gas incl. casinghead
- 137
- bbl oil, last 12 reported
- +5%
- vs the 12 before
- 1
- wells completed on it
- 95
- peak month, bbl (Dec 2010)
PDQ LEASE REPORTS · FIRST JUL 2001 · 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 137 · prior 12 131(+5%)
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 826 · prior 12 2,121(-61%)
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.
- Mexco Energy CorporationJul 2001 → Oct 2016 · 184 mo
- Darkens Oil & Gas Inc.Nov 2016 → Jul 2026 · 117 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-9-15166, documented in the API reference.