LEASES · O-10-49954 · OIL · DISTRICT 08
Basilisk Unit a 13-12
ReportingSurge Operating, LLC · Borden County · Spraberry (Trend Area) field
Basilisk Unit A 13-12 is an RRC oil lease (O-10-49954) in Borden County operated by Surge Operating, LLC, with 3 wells completed on it.
It has reported 359K barrels of oil and 530K mcf of gas since February 2018, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 14.3K barrels of oil, down 22% on the year before; the lease peaked at 23K barrels in November 2018.
- 359K
- bbl oil, all reported
- 530K
- mcf gas incl. casinghead
- 14.3K
- bbl oil, last 12 reported
- -22%
- vs the 12 before
- 3
- wells completed on it
- 23K
- peak month, bbl (Nov 2018)
PDQ LEASE REPORTS · FIRST FEB 2018 · LAST VOLUME MAR 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 14,322 · prior 12 18,294(-22%)
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 48,138 · prior 12 54,890(-12%)
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.
- Surge Operating, LLCFeb 2018 → Jul 2026 · 102 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Producing
- 3
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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