LEASES · O-3-22245 · OIL · DISTRICT 03
Calvin Jr.
ReportingTrivista Operating LLC · Lee County · Serbin (Taylor Sand) field
Calvin JR. is an RRC oil lease (O-3-22245) in Lee County operated by Trivista Operating LLC, with one well completed on it.
It has reported 14.7K barrels of oil and 77.8K mcf of gas since December 1993, last reporting volume in July 2025 (statewide data runs through April 2026).
The last 12 reported months total 41 barrels of oil; the lease peaked at 395 barrels in January 1994.
3 operators have filed production on it, most recently Trivista Operating LLC since October 2013.
- 14.7K
- bbl oil, all reported
- 77.8K
- mcf gas incl. casinghead
- 41
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 395
- peak month, bbl (Jan 1994)
PDQ LEASE REPORTS · FIRST DEC 1993 · LAST VOLUME JUL 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 41 · prior 12 5(+720%)
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 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.
- South Texas Drilling & Expl, IncDec 1993 → Jan 1999 · 62 mo
- Texas Vanguard Oil CompanyFeb 1999 → Sep 2013 · 176 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-3-22245, documented in the API reference.