LEASES · O-1-16637 · OIL · DISTRICT 01
Simmons Subdivision Unit
Javelin Energy Partners Mgmt LLC · Atascosa County · Eagleville (Eagle Ford-1) field
Simmons Subdivision Unit is an RRC oil lease (O-1-16637) in Atascosa County operated by Javelin Energy Partners Mgmt LLC, with one well completed on it.
It has reported 139K barrels of oil and 81.3K mcf of gas since March 2013, last reporting volume in June 2025 (statewide data runs through April 2026).
It reported 62 barrels of oil in the 12 months through April 2026; the lease peaked at 11.5K barrels in October 2013.
4 operators have filed production on it, most recently Javelin Energy Partners Mgmt LLC since April 2022.
- 139K
- bbl oil, all reported
- 81.3K
- mcf gas incl. casinghead
- 62
- bbl oil, 12 months through Apr 2026
- —
- vs the 12 before
- 1
- wells completed on it
- 11.5K
- peak month, bbl (Oct 2013)
PDQ LEASE REPORTS · FIRST MAR 2013 · LAST VOLUME JUN 2025 · 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 62 · prior 12 74(-16%)
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 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.
- EP Energy E&P Company, L.P.Feb 2013 → Dec 2014 · 23 mo
- Cabot Oil & Gas CorporationJan 2015 → Jan 2018 · 37 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-1-16637, documented in the API reference.