LEASES · O-14-4989 · OIL · DISTRICT 10
Lockhart "a" 36
ReportingPresidio Petroleum LLC · Hemphill County · Feldman (Tonkawa) field
Lockhart "A" 36 is an RRC oil lease (O-14-4989) in Hemphill County operated by Presidio Petroleum LLC, with 5 wells completed on it.
It has reported 85.9K barrels of oil and 682K mcf of gas since January 1993, last reporting volume in December 2025 (statewide data runs through April 2026).
The last 12 reported months total 173 barrels of oil, down 90% on the year before; the lease peaked at 4.77K barrels in June 2012.
5 operators have filed production on it, most recently Presidio Petroleum LLC since July 2019.
- 85.9K
- bbl oil, all reported
- 682K
- mcf gas incl. casinghead
- 173
- bbl oil, last 12 reported
- -90%
- vs the 12 before
- 5
- wells completed on it
- 4.77K
- peak month, bbl (Jun 2012)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME DEC 2025 · 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 173 · prior 12 1,694(-90%)
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 3,494 · prior 12 23,829(-85%)
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.
- Enron Oil & Gas CompanyJan 1993 → Feb 1997 · 50 mo
- Upland Resources, Inc.Mar 1997 → Dec 2007 · 130 mo
- Granite Operating CompanyJan 2008 → Apr 2012 · 52 mo
- Apache CorporationMay 2012 → Jun 2019 · 86 mo
- Presidio Petroleum LLCJul 2019 → Jul 2026 · 85 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
5
wells completed on the lease
- Shut IN
- 2
- Plugged
- 2
- Producing
- 1
Operates them now
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-14-4989, documented in the API reference.