LEASES · O-14-8041 · OIL · DISTRICT 10
Swink 391
ReportingHighmark Energy Operating, LLC · Ochiltree County · Pan Petro (Cleveland) field
Swink 391 is an RRC oil lease (O-14-8041) in Ochiltree County operated by Highmark Energy Operating, LLC, with one well completed on it.
It has reported 89.2K barrels of oil and 446K mcf of gas since August 2009, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 540 barrels of oil, down 34% on the year before; the lease peaked at 3.16K barrels in August 2009.
2 operators have filed production on it, most recently Highmark Energy Operating, LLC since February 2022.
- 89.2K
- bbl oil, all reported
- 446K
- mcf gas incl. casinghead
- 540
- bbl oil, last 12 reported
- -34%
- vs the 12 before
- 1
- wells completed on it
- 3.16K
- peak month, bbl (Aug 2009)
PDQ LEASE REPORTS · FIRST AUG 2009 · 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 540 · prior 12 822(-34%)
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 7,829 · prior 12 12,264(-36%)
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.Aug 2009 → Jan 2022 · 150 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-14-8041, documented in the API reference.