LEASES · O-1-20957 · OIL · DISTRICT 01
Briscoe Catarina South
ReportingJavelin Energy Partners Mgmt LLC · Dimmit County · Lorenzo (Austin Chalk) field
Briscoe Catarina South is an RRC oil lease (O-1-20957) in Dimmit County operated by Javelin Energy Partners Mgmt LLC, with 3 wells completed on it.
It has reported 309K barrels of oil and 819K mcf of gas since January 2023, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 129K barrels of oil, up 56% on the year before; the lease peaked at 18.1K barrels in June 2025.
2 operators have filed production on it, most recently Javelin Energy Partners Mgmt LLC since September 2023.
- 309K
- bbl oil, all reported
- 819K
- mcf gas incl. casinghead
- 129K
- bbl oil, last 12 reported
- +56%
- vs the 12 before
- 3
- wells completed on it
- 18.1K
- peak month, bbl (Jun 2025)
PDQ LEASE REPORTS · FIRST JAN 2023 · LAST VOLUME APR 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 128,985 · prior 12 82,719(+56%)
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 397,491 · prior 12 221,162(+80%)
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.
- SN EF Maverick, LLCJan 2023 → Aug 2023 · 8 mo
- Javelin Energy Partners Mgmt LLCSep 2023 → Jul 2026 · 35 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Producing
- 3
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-1-20957, documented in the API reference.