LEASES · O-1-12644 · OIL · DISTRICT 01
Johnston
ReportingSilver Rock Energy, LLC · Frio County · Pearsall (Austin Chalk) field
Johnston is an RRC oil lease (O-1-12644) in Frio County operated by Silver Rock Energy, LLC, with one well completed on it.
It has reported 68.2K barrels of oil and 19 mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 2.01K barrels of oil, down 13% on the year before; the lease peaked at 877 barrels in March 2018.
5 operators have filed production on it, most recently Silver Rock Energy, LLC since May 2024.
- 68.2K
- bbl oil, all reported
- 19
- mcf gas incl. casinghead
- 2.01K
- bbl oil, last 12 reported
- -13%
- vs the 12 before
- 1
- wells completed on it
- 877
- peak month, bbl (Mar 2018)
PDQ LEASE REPORTS · FIRST JAN 1993 · 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 2,010 · prior 12 2,298(-13%)
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 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.
- Brayton Oil Corp.Jan 1993 → Aug 1994 · 20 mo
- Midas Resources, Inc.Sep 1994 → Feb 1996 · 18 mo
- Fortune Operating CompanyMar 1996 → Feb 2016 · 240 mo
- Diamond Energy Services, LPMar 2016 → Apr 2024 · 98 mo
- Silver Rock Energy, LLCMay 2024 → Jul 2026 · 27 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-1-12644, documented in the API reference.