LEASES · O-3-18323 · OIL · DISTRICT 03
Sebesta Unit "A"
Magnolia Oil & Gas Operating LLC · Burleson County · Giddings (Austin Chalk-3) field
Sebesta Unit "A" is an RRC oil lease (O-3-18323) in Burleson County operated by Magnolia Oil & Gas Operating LLC, with 2 wells completed on it.
It has reported 65.4K barrels of oil and 378K mcf of gas since the record begins in January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 811 barrels of oil in the 12 months through April 2026, down 28% on the year before; the lease peaked at 802 barrels in October 2000.
5 operators have filed production on it, most recently Magnolia Oil & Gas Operating LLC since March 2023.
- 65.4K
- bbl oil, all reported
- 378K
- mcf gas incl. casinghead
- 811
- bbl oil, 12 months through Apr 2026
- -28%
- vs the 12 before
- 2
- wells completed on it
- 802
- peak month, bbl (Oct 2000)
PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH · 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.
12 months through Apr 2026 811 · prior 12 1,119(-28%)
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.
12 months through Apr 2026 3,700 · prior 12 4,785(-23%)
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, with what it reported in them.
- Sage Energy CompanyJan 1993 → Jul 2007 · 175 mo38.7K bbl oil · 241K mcf gas
- Sheridan Production Company, LLCAug 2007 → Mar 2020 · 152 mo15.4K bbl oil · 102K mcf gas
- FDL Operating, LLCApr 2020 → Feb 2022 · 23 mo4.98K bbl oil · 12.6K mcf gas
- Daylight Petroleum LLCMar 2022 → Feb 2023 · 12 mo2.21K bbl oil · 6.44K mcf gas
- Magnolia Oil & Gas Operating LLCMar 2023 → Jul 2026 · 41 mo4.09K bbl oil · 16K mcf gas
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Producing
- 1
- 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-3-18323, documented in the API reference.