LEASES · O-3-19691 · OIL · DISTRICT 03
Markert
Trivista Operating LLC · Bastrop County · Serbin (Taylor Sand) field
Markert is an RRC oil lease (O-3-19691) in Bastrop County operated by Trivista Operating LLC, with one well completed on it.
It has reported 8.36K barrels of oil and 98.3K mcf of gas since January 1993, last reporting volume in December 2025 (statewide data runs through April 2026).
It reported 53 barrels of oil in the 12 months through April 2026; the lease peaked at 85 barrels in June 1997.
3 operators have filed production on it, most recently Trivista Operating LLC since October 2013.
- 8.36K
- bbl oil, all reported
- 98.3K
- mcf gas incl. casinghead
- 53
- bbl oil, 12 months through Apr 2026
- —
- vs the 12 before
- 1
- wells completed on it
- 85
- peak month, bbl (Jun 1997)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME DEC 2025 · 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 53 · prior 12 69(-23%)
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 0 · prior 12 0
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.
- San Antonio Gas & Oil, Inc.Jan 1993 → Jun 1995 · 30 mo
- Texas Vanguard Oil CompanyJul 1995 → Sep 2013 · 219 mo
- Trivista Operating LLCOct 2013 → Jul 2026 · 154 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-3-19691, documented in the API reference.