LEASES · O-10-51381 · OIL · DISTRICT 08
Millie C
ReportingDiamondback E&P LLC · Crane County and Ector · Spraberry (Trend Area) field
Millie C is an RRC oil lease (O-10-51381) in Crane County operated by Diamondback E&P LLC, with 6 wells completed on it.
It has reported 38K barrels of oil and 204K mcf of gas since July 2018, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 2.85K barrels of oil, level with the year before; the lease peaked at 1.05K barrels in March 2021.
3 operators have filed production on it, most recently Diamondback E&P LLC since December 2022.
- 38K
- bbl oil, all reported
- 204K
- mcf gas incl. casinghead
- 2.85K
- bbl oil, last 12 reported
- +0%
- vs the 12 before
- 6
- wells completed on it
- 1.05K
- peak month, bbl (Mar 2021)
PDQ LEASE REPORTS · FIRST JUL 2018 · 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 2,850 · prior 12 2,840(+0%)
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 12,569 · prior 12 13,429(-6%)
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.
- FDL Operating, LLCJul 2018 → Jun 2019 · 12 mo
- Firebird Energy LLCJul 2019 → Nov 2022 · 41 mo
- Diamondback E&P LLCDec 2022 → Jul 2026 · 44 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
6
wells completed on the lease
- Producing
- 5
- Shut IN
- 1
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-10-51381, documented in the API reference.