LEASES · O-3-27569 · OIL · DISTRICT 03
Masterson
ReportingSideline Oil & Gas, L.P. · Brazoria County · Damon Mound field
Masterson is an RRC oil lease (O-3-27569) in Brazoria County operated by Sideline Oil & Gas, L.P., with one well completed on it.
It has reported 3.74K barrels of oil since June 2019, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 676 barrels of oil, down 36% on the year before; the lease peaked at 186 barrels in September 2024.
3 operators have filed production on it, most recently Sideline Oil & Gas, L.P. since February 2023.
- 3.74K
- bbl oil, all reported
- 0
- mcf gas incl. casinghead
- 676
- bbl oil, last 12 reported
- -36%
- vs the 12 before
- 1
- wells completed on it
- 186
- peak month, bbl (Sep 2024)
PDQ LEASE REPORTS · FIRST JUN 2019 · LAST VOLUME MAR 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 676 · prior 12 1,054(-36%)
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.
- Reata Operating Company LLCJun 2019 → Mar 2022 · 34 mo
- Reo Operating LLCApr 2022 → Jan 2023 · 10 mo
- Sideline Oil & Gas, L.P.Feb 2023 → Jul 2026 · 42 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.
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