LEASES · O-1-18914 · OIL · DISTRICT 01
Mercury 1H
ReportingJavelin Energy Partners Mgmt LLC · Atascosa County · Briscoe Ranch (Eagleford) field
Mercury 1h is an RRC oil lease (O-1-18914) in Atascosa County operated by Javelin Energy Partners Mgmt LLC, with one well completed on it.
It has reported 368K barrels of oil and 264K mcf of gas since February 2017, last reporting volume in March 2026 (statewide data runs through April 2026).
It reported 12.7K barrels of oil in the 12 months through April 2026, down 24% on the year before; the lease peaked at 18.8K barrels in March 2017.
3 operators have filed production on it, most recently Javelin Energy Partners Mgmt LLC since April 2022.
- 368K
- bbl oil, all reported
- 264K
- mcf gas incl. casinghead
- 12.7K
- bbl oil, 12 months through Apr 2026
- -24%
- vs the 12 before
- 1
- wells completed on it
- 18.8K
- peak month, bbl (Mar 2017)
PDQ LEASE REPORTS · FIRST FEB 2017 · 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.
12 months through Apr 2026 12,679 · prior 12 16,780(-24%)
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 Apr 2026 9,339 · prior 12 12,026(-22%)
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.
- Cabot Oil & Gas CorporationFeb 2017 → Jan 2018 · 12 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
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-1-18914, documented in the API reference.