LEASES · O-1-5813 · OIL · DISTRICT 01
Calvert "A"
No volume since Jul 2011Marshfield Oil & Gas, LLC · Wilson County · Sutil (Buda) field
Calvert "A" is an RRC oil lease (O-1-5813) in Wilson County operated by Marshfield Oil & Gas, LLC, with 2 wells completed on it.
It has reported 8.71K barrels of oil and 20 mcf of gas since January 1993, last reporting volume in July 2011 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in July 2011.
3 operators have filed production on it, most recently Marshfield Oil & Gas, LLC since May 2010.
- 8.71K
- bbl oil, all reported
- 20
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 2
- wells completed on it
- 872
- peak month, bbl (Mar 1998)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JUL 2011 · 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 0 · prior 12 0
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
Who reported it
Each run of months one operator filed the production report, oldest first.
- Rife Oil Properties, Inc.Jan 1993 → Dec 2006 · 168 mo
- Britanco, L.L.C.Jan 2007 → Apr 2010 · 40 mo
- Marshfield Oil & Gas, LLCMay 2010 → Oct 2016 · 78 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Plugged
- 2
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-1-5813, documented in the API reference.