LEASES · O-9-15294 · OIL · DISTRICT 7C
University Sylvia
Extex Operating Company · Reagan County · Spraberry (Trend Area) field
University Sylvia is an RRC oil lease (O-9-15294) in Reagan County operated by Extex Operating Company, with 2 wells completed on it.
It has reported 123K barrels of oil and 204K mcf of gas since October 2002, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 2.23K barrels of oil in the 12 months through April 2026, down 19% on the year before; the lease peaked at 2.82K barrels in May 2003.
5 operators have filed production on it, most recently Extex Operating Company since April 2021.
- 123K
- bbl oil, all reported
- 204K
- mcf gas incl. casinghead
- 2.23K
- bbl oil, 12 months through Apr 2026
- -19%
- vs the 12 before
- 2
- wells completed on it
- 2.82K
- peak month, bbl (May 2003)
PDQ LEASE REPORTS · FIRST OCT 2002 · 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.
12 months through Apr 2026 2,225 · prior 12 2,740(-19%)
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.
12 months through Apr 2026 4,991 · prior 12 4,593(+9%)
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, with what it reported in them.
- Henry Petroleum LPOct 2002 → Apr 2007 · 55 mo72.7K bbl oil · 80.4K mcf gas
- Summit Petroleum LLCMay 2007 → Sep 2007 · 5 mo3.6K bbl oil · 6.02K mcf gas
- Legacy Reserves Operating LPOct 2007 → Aug 2018 · 131 mo34.8K bbl oil · 91.4K mcf gas
- Pbex Operations, LLCSep 2018 → Mar 2021 · 31 mo1.69K bbl oil · 13.4K mcf gas
- Extex Operating CompanyApr 2021 → Jul 2026 · 64 mo10K bbl oil · 13.1K mcf gas
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Producing
- 2
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-9-15294, documented in the API reference.