LEASES · O-14-8432 · OIL · DISTRICT 10
Slavin 110
Highmark Energy Operating, LLC · Ochiltree County · Pan Petro (Cleveland) field
Slavin 110 is an RRC oil lease (O-14-8432) in Ochiltree County operated by Highmark Energy Operating, LLC, with one well completed on it.
It has reported 59.5K barrels of oil and 314K mcf of gas since March 2011, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 463 barrels of oil in the 12 months through April 2026, down 20% on the year before; the lease peaked at 7.59K barrels in April 2011.
2 operators have filed production on it, most recently Highmark Energy Operating, LLC since February 2022.
- 59.5K
- bbl oil, all reported
- 314K
- mcf gas incl. casinghead
- 463
- bbl oil, 12 months through Apr 2026
- -20%
- vs the 12 before
- 1
- wells completed on it
- 7.59K
- peak month, bbl (Apr 2011)
PDQ LEASE REPORTS · FIRST MAR 2011 · 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.
12 months through Apr 2026 463 · prior 12 581(-20%)
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 8,185 · prior 12 9,665(-15%)
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.
- EOG Resources, Inc.Mar 2011 → Jan 2022 · 131 mo
- Highmark Energy Operating, LLCFeb 2022 → Jul 2026 · 54 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-14-8432, documented in the API reference.