LEASES · O-10-51981 · OIL · DISTRICT 08
Erwin-Walton
ReportingPbex-MCM Operating, LLC · Midland County · Azalea (Strawn) field
Erwin-Walton is an RRC oil lease (O-10-51981) in Midland County operated by Pbex-Mcm Operating, LLC, with one well completed on it.
It has reported 87.5K barrels of oil and 163K mcf of gas since March 2018, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 6.28K barrels of oil, down 33% on the year before; the lease peaked at 2K barrels in March 2018.
5 operators have filed production on it, most recently Pbex-Mcm Operating, LLC since October 2025.
- 87.5K
- bbl oil, all reported
- 163K
- mcf gas incl. casinghead
- 6.28K
- bbl oil, last 12 reported
- -33%
- vs the 12 before
- 1
- wells completed on it
- 2K
- peak month, bbl (Mar 2018)
PDQ LEASE REPORTS · FIRST MAR 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 6,282 · prior 12 9,396(-33%)
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 8,548 · prior 12 12,279(-30%)
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.
- Diamondback E&P LLCMar 2018 → Aug 2021 · 42 mo
- Cambrian Management, Ltd.Sep 2021 → Apr 2023 · 20 mo
- Octane Energy Operating, LLCMay 2023 → Aug 2024 · 16 mo
- Pbex Operations, LLCSep 2024 → Sep 2025 · 13 mo
- Pbex-MCM Operating, LLCOct 2025 → Jul 2026 · 10 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-10-51981, documented in the API reference.