LEASES · O-3-19435 · OIL · DISTRICT 03
Mittasch, Carol L. et AL
ReportingTrivista Operating LLC · Lee County · Serbin (Taylor Sand) field
Mittasch, Carol L. ET AL is an RRC oil lease (O-3-19435) in Lee County operated by Trivista Operating LLC, with 4 wells completed on it.
It has reported 56.7K barrels of oil and 222K mcf of gas since January 1993, last reporting volume in December 2025 (statewide data runs through April 2026).
The last 12 reported months total 15 barrels of oil, down 97% on the year before; the lease peaked at 652 barrels in March 1995.
4 operators have filed production on it, most recently Trivista Operating LLC since October 2013.
- 56.7K
- bbl oil, all reported
- 222K
- mcf gas incl. casinghead
- 15
- bbl oil, last 12 reported
- -97%
- vs the 12 before
- 4
- wells completed on it
- 652
- peak month, bbl (Mar 1995)
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.
Last 12 months 15 · prior 12 446(-97%)
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 0 · prior 12 168(-100%)
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.
- Coates Energy TrustJan 1993 → Jun 1996 · 42 mo
- Greenbriar Energy Inc.Jul 1996 → Nov 2003 · 89 mo
- Texas Vanguard Oil CompanyDec 2003 → Sep 2013 · 118 mo
- Trivista Operating LLCOct 2013 → Jul 2026 · 154 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
4
wells completed on the lease
- Producing
- 3
- NO Type on File
- 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-3-19435, documented in the API reference.