LEASES · O-10-35264 · OIL · DISTRICT 08
Blanco-Fullerton S
ReportingExtex Operating Company · Andrews County · Fullerton (San Andres) field
Blanco-Fullerton S is an RRC oil lease (O-10-35264) in Andrews County operated by Extex Operating Company, with 10 wells completed on it.
It has reported 207K barrels of oil and 6.9K mcf of gas since March 1997, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 1.44K barrels of oil, up 11% on the year before; the lease peaked at 2.28K barrels in July 1997.
5 operators have filed production on it, most recently Extex Operating Company since February 2021.
- 207K
- bbl oil, all reported
- 6.9K
- mcf gas incl. casinghead
- 1.44K
- bbl oil, last 12 reported
- +11%
- vs the 12 before
- 10
- wells completed on it
- 2.28K
- peak month, bbl (Jul 1997)
PDQ LEASE REPORTS · FIRST MAR 1997 · 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 1,438 · prior 12 1,298(+11%)
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.
- Blanco Oil Co.Mar 1997 → Jul 2003 · 77 mo
- Sage Energy CompanyAug 2003 → Jul 2007 · 48 mo
- Sheridan Production Company, LLCAug 2007 → Aug 2010 · 37 mo
- Legacy Reserves Operating LPSep 2010 → Jan 2021 · 125 mo
- Extex Operating CompanyFeb 2021 → Jul 2026 · 66 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
10
wells completed on the lease
- Producing
- 7
- Shut IN
- 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.
Developers: this page as JSON is GET /v1/data/leases/tx/o-10-35264, documented in the API reference.