LEASES · G-9-239587 · GAS · DISTRICT 7C
Clark 58
Upp Operating, LLC · Schleicher County · Sawyer (Canyon) field
Clark 58 is an RRC gas lease (G-9-239587) in Schleicher County operated by Upp Operating, LLC, with one well completed on it.
It has reported 75.1K mcf of gas and 99 barrels of condensate since February 2008, last reporting volume in July 2026 (statewide data runs through August 2026).
It reported 109 mcf of gas in the 12 months through August 2026.
3 operators have filed production on it, most recently Upp Operating, LLC since April 2019.
- 75.1K
- mcf gas, all reported
- 99
- bbl condensate, all reported
- 109
- mcf gas, 12 months through Aug 2026
- —
- vs the 12 before
- 1
- wells completed on it
- —
- peak month, bbl
PDQ LEASE REPORTS · FIRST FEB 2008 · LAST VOLUME JUL 2026 · STATEWIDE DATA THROUGH AUG 2026
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 Aug 2026 109 · prior 12 11
Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of gas 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, with what it reported in them.
- Highmount Expl & Prod Texas LLCFeb 2008 → Sep 2014 · 80 mo53 bbl oil · 63.8K mcf gas
- Enervest Operating, L.L.C.Oct 2014 → Mar 2019 · 54 mo15 bbl oil · 11.1K mcf gas
- Upp Operating, LLCApr 2019 → Nov 2026 · 92 mo31 bbl oil · 201 mcf gas
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 Aug 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/g-9-239587, documented in the API reference.