LEASES · O-2-10520 · OIL · DISTRICT 02
Olsovsky Unit
ReportingFW Eagle Ford I, LLC · Lavaca County · Eagleville (Eagle Ford-2) field
Olsovsky Unit is an RRC oil lease (O-2-10520) in Lavaca County operated by FW Eagle Ford I, LLC, with one well completed on it.
It has reported 70.4K barrels of oil and 130K mcf of gas since March 2013, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 931 barrels of oil, down 17% on the year before; the lease peaked at 6.46K barrels in March 2013.
6 operators have filed production on it, most recently FW Eagle Ford I, LLC since January 2026.
- 70.4K
- bbl oil, all reported
- 130K
- mcf gas incl. casinghead
- 931
- bbl oil, last 12 reported
- -17%
- vs the 12 before
- 1
- wells completed on it
- 6.46K
- peak month, bbl (Mar 2013)
PDQ LEASE REPORTS · FIRST MAR 2013 · 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 931 · prior 12 1,117(-17%)
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 1,877 · prior 12 1,538(+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.
- Sabine Oil & Gas LLCMar 2013 → Jun 2014 · 16 mo
- Devon Energy Production Co, L.P.Jul 2014 → Sep 2017 · 39 mo
- Penn Virginia Oil & Gas, L.P.Oct 2017 → Nov 2022 · 62 mo
- Rocc Oil & Gas, L.P.Dec 2022 → Dec 2023 · 13 mo
- Baytex Energy USA, Inc.Jan 2024 → Dec 2025 · 24 mo
- FW Eagle Ford I, LLCJan 2026 → Jul 2026 · 7 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-2-10520, documented in the API reference.