LEASES · O-3-28028 · OIL · DISTRICT 03
Sampson-Mueller B
ReportingMagnolia Oil & Gas Operating LLC · Fayette County · Giddings (Austin Chalk-3) field
Sampson-Mueller B is an RRC oil lease (O-3-28028) in Fayette County operated by Magnolia Oil & Gas Operating LLC, with one well completed on it.
It has reported 214K barrels of oil and 898K mcf of gas since September 2022, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 17.6K barrels of oil, down 31% on the year before; the lease peaked at 24.2K barrels in October 2022.
2 operators have filed production on it, most recently Magnolia Oil & Gas Operating LLC since August 2025.
- 214K
- bbl oil, all reported
- 898K
- mcf gas incl. casinghead
- 17.6K
- bbl oil, last 12 reported
- -31%
- vs the 12 before
- 1
- wells completed on it
- 24.2K
- peak month, bbl (Oct 2022)
PDQ LEASE REPORTS · FIRST SEP 2022 · 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 17,626 · prior 12 25,603(-31%)
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 85,107 · prior 12 126,403(-33%)
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.
- Dallas Petroleum Group, LLCSep 2022 → Jul 2025 · 35 mo
- Magnolia Oil & Gas Operating LLCAug 2025 → Jul 2026 · 12 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-3-28028, documented in the API reference.