LEASES · O-1-13567 · OIL · DISTRICT 01
Blalack et. al. Unit
No volume since May 2018Sage Energy Company · Zavala County · Pearsall (Austin Chalk) field
Blalack ET. AL. Unit is an RRC oil lease (O-1-13567) in Zavala County operated by Sage Energy Company, with one well completed on it.
It has reported 108K barrels of oil and 68.5K mcf of gas since January 1993, last reporting volume in May 2018 (statewide data runs through April 2026).
The last 12 reported months total 93 barrels of oil, down 93% on the year before; the lease peaked at 3.22K barrels in January 1993.
4 operators have filed production on it, most recently Sage Energy Company since March 2001.
- 108K
- bbl oil, all reported
- 68.5K
- mcf gas incl. casinghead
- 93
- bbl oil, last 12 reported
- -93%
- vs the 12 before
- 1
- wells completed on it
- 3.22K
- peak month, bbl (Jan 1993)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME MAY 2018 · 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 93 · prior 12 1,243(-93%)
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 58 · prior 12 289(-80%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Oryx Energy CompanyJan 1993 → Mar 1999 · 75 mo
- Kerr-McGee CorporationApr 1999 → Sep 1999 · 6 mo
- Kerr-McGee Oil & Gas Onshore LLCOct 1999 → Feb 2001 · 17 mo
- Sage Energy CompanyMar 2001 → Jan 2019 · 215 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
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-1-13567, documented in the API reference.