LEASES · O-1-18397 · OIL · DISTRICT 01
Miesch a Unit
Javelin Energy Partners Mgmt LLC · La Salle County · Eagleville (Eagle Ford-1) field
Miesch A Unit is an RRC oil lease (O-1-18397) in La Salle County operated by Javelin Energy Partners Mgmt LLC, with 2 wells completed on it.
It has reported 237K barrels of oil and 171K mcf of gas since October 2015, last reporting volume in August 2026 (statewide data runs through August 2026).
It reported 11.4K barrels of oil in the 12 months through August 2026, down 5% on the year before; the lease peaked at 11K barrels in January 2016.
4 operators have filed production on it, most recently Javelin Energy Partners Mgmt LLC since February 2025.
- 237K
- bbl oil, all reported
- 171K
- mcf gas incl. casinghead
- 11.4K
- bbl oil, 12 months through Aug 2026
- -5%
- vs the 12 before
- 2
- wells completed on it
- 11K
- peak month, bbl (Jan 2016)
PDQ LEASE REPORTS · FIRST OCT 2015 · LAST VOLUME AUG 2026 · STATEWIDE DATA THROUGH AUG 2026
Oil by month
Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.
12 months through Aug 2026 11,444 · prior 12 12,083(-5%)
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.
12 months through Aug 2026 6,380 · prior 12 1,486(+329%)
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, with what it reported in them.
- Carrizo (Eagle Ford) LLCJul 2015 → Jan 2020 · 55 mo148K bbl oil · 112K mcf gas
- Callon (Eagle Ford) LLCFeb 2020 → Jun 2023 · 41 mo53.2K bbl oil · 42.2K mcf gas
- Ridgemar Energy Operating, LLCJul 2023 → Jan 2025 · 19 mo18.7K bbl oil · 9.91K mcf gas
- Javelin Energy Partners Mgmt LLCFeb 2025 → Nov 2026 · 22 mo16.8K bbl oil · 7.24K mcf gas
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Producing
- 1
- Not on Schedule
- 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 Aug 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-1-18397, documented in the API reference.