LEASES · O-1-15735 · OIL · DISTRICT 01
Kothmann-Ranch
ReportingJavelin Energy Partners Mgmt LLC · Frio County · Briscoe Ranch (Eagleford) field
Kothmann-Ranch is an RRC oil lease (O-1-15735) in Frio County operated by Javelin Energy Partners Mgmt LLC, with 14 wells completed on it.
It has reported 1.36M barrels of oil and 1.63M mcf of gas since July 2011, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 19.6K barrels of oil, down 21% on the year before; the lease peaked at 61.5K barrels in June 2017.
4 operators have filed production on it, most recently Javelin Energy Partners Mgmt LLC since April 2022.
- 1.36M
- bbl oil, all reported
- 1.63M
- mcf gas incl. casinghead
- 19.6K
- bbl oil, last 12 reported
- -21%
- vs the 12 before
- 14
- wells completed on it
- 61.5K
- peak month, bbl (Jun 2017)
PDQ LEASE REPORTS · FIRST JUL 2011 · LAST VOLUME MAR 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 19,605 · prior 12 24,812(-21%)
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 8,424 · prior 12 19,155(-56%)
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.
- EF Energy, L.L.C.Jul 2011 → Sep 2014 · 39 mo
- Cabot Oil & Gas CorporationOct 2014 → Jan 2018 · 40 mo
- Venado Operating Company LLCFeb 2018 → Mar 2022 · 50 mo
- Javelin Energy Partners Mgmt LLCApr 2022 → Jul 2026 · 52 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
14
wells completed on the lease
- Shut IN
- 9
- Producing
- 4
- 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-1-15735, documented in the API reference.