LEASES · O-10-36661 · OIL · DISTRICT 08
University San Andres Unit
ReportingHighmark Energy Operating, LLC · Andrews County · Shafter Lake (San Andres) field
University San Andres Unit is an RRC oil lease (O-10-36661) in Andrews County operated by Highmark Energy Operating, LLC, with 44 wells completed on it.
It has reported 743K barrels of oil and 422K mcf of gas since August 2001, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 7.81K barrels of oil, down 10% on the year before; the lease peaked at 8.04K barrels in June 2008.
4 operators have filed production on it, most recently Highmark Energy Operating, LLC since March 2023.
- 743K
- bbl oil, all reported
- 422K
- mcf gas incl. casinghead
- 7.81K
- bbl oil, last 12 reported
- -10%
- vs the 12 before
- 44
- wells completed on it
- 8.04K
- peak month, bbl (Jun 2008)
PDQ LEASE REPORTS · FIRST AUG 2001 · 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 7,813 · prior 12 8,692(-10%)
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 157 · prior 12 376(-58%)
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.
- Henry Petroleum LPAug 2001 → Dec 2008 · 89 mo
- COG Operating LLCJan 2009 → Dec 2012 · 48 mo
- Legacy Reserves Operating LPJan 2013 → Feb 2023 · 122 mo
- Highmark Energy Operating, LLCMar 2023 → Jul 2026 · 41 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
44
wells completed on the lease
- Shut IN
- 20
- Plugged
- 13
- Producing
- 6
- Injection
- 5
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.
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