LEASES · O-10-37905 · OIL · DISTRICT 08
Mustang D
ReportingDiamondback E&P LLC · Martin County · Lacaff (Spraberry) field
Mustang D is an RRC oil lease (O-10-37905) in Martin County operated by Diamondback E&P LLC, with one well completed on it.
It has reported 24.1K barrels of oil and 24.9K mcf of gas since July 2006, last reporting volume in June 2025 (statewide data runs through April 2026).
The last 12 reported months total 49 barrels of oil, down 91% on the year before; the lease peaked at 548 barrels in March 2007.
2 operators have filed production on it, most recently Diamondback E&P LLC since July 2020.
- 24.1K
- bbl oil, all reported
- 24.9K
- mcf gas incl. casinghead
- 49
- bbl oil, last 12 reported
- -91%
- vs the 12 before
- 1
- wells completed on it
- 548
- peak month, bbl (Mar 2007)
PDQ LEASE REPORTS · FIRST JUL 2006 · LAST VOLUME JUN 2025 · 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 49 · prior 12 547(-91%)
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 182 · prior 12 1,596(-89%)
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.
- Endeavor Energy Resources L.P.Jul 2006 → Jun 2020 · 168 mo
- Diamondback E&P LLCJul 2020 → Jul 2026 · 73 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-10-37905, documented in the API reference.