LEASES · O-4-13151 · OIL · DISTRICT 04
Jostes
ReportingSun Exploration, Inc. · San Patricio County · Mathis, North (2780) field
Jostes is an RRC oil lease (O-4-13151) in San Patricio County operated by Sun Exploration, Inc., with 2 wells completed on it.
It has reported 76.5K barrels of oil and 2.3K mcf of gas since April 2003, last reporting volume in January 2026 (statewide data runs through April 2026).
The last 12 reported months total 9 barrels of oil; the lease peaked at 1.95K barrels in May 2012.
3 operators have filed production on it, most recently Sun Exploration, Inc. since November 2016.
- 76.5K
- bbl oil, all reported
- 2.3K
- mcf gas incl. casinghead
- 9
- bbl oil, last 12 reported
- —
- vs the 12 before
- 2
- wells completed on it
- 1.95K
- peak month, bbl (May 2012)
PDQ LEASE REPORTS · FIRST APR 2003 · LAST VOLUME JAN 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.
Last 12 months 9 · prior 12 55(-84%)
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.
- Mortimer Exploration CompanyApr 2003 → Sep 2003 · 6 mo
- Mortimer Production CompanyOct 2003 → Oct 2016 · 157 mo
- Sun Exploration, Inc.Nov 2016 → Jul 2026 · 117 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- NO Type on File
- 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-4-13151, documented in the API reference.