LEASES · O-10-56138 · OIL · DISTRICT 08
McMillian
No volume since Nov 2021Highmark Energy Operating, LLC · Andrews County · Deep Rock (Wolfcamp) field
Mcmillian is an RRC oil lease (O-10-56138) in Andrews County operated by Highmark Energy Operating, LLC, with one well completed on it.
It has reported 493 barrels of oil since June 2021, last reporting volume in November 2021 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in November 2021.
2 operators have filed production on it, most recently Highmark Energy Operating, LLC since March 2023.
- 493
- bbl oil, all reported
- 0
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 209
- peak month, bbl (Jul 2021)
PDQ LEASE REPORTS · FIRST JUN 2021 · LAST VOLUME NOV 2021 · 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 0 · prior 12 0
Who reported it
Each run of months one operator filed the production report, oldest first.
- Legacy Reserves Operating LPJun 2021 → Feb 2023 · 21 mo
- Highmark Energy Operating, LLCMar 2023 → Jul 2026 · 41 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-10-56138, documented in the API reference.