LEASES · O-5-3522 · OIL · DISTRICT 05
Hartt 128
No volume since Nov 2010Union Oil Company of California · Van Zandt County · Van (Austin Chalk) field
Hartt 128 is an RRC oil lease (O-5-3522) in Van Zandt County operated by Union Oil Company Of California, with one well completed on it.
It has reported 10.1K barrels of oil and 7.07K mcf of gas since November 1995, last reporting volume in November 2010 (statewide data runs through April 2026).
The last 12 reported months total 79 barrels of oil, down 83% on the year before; the lease peaked at 228 barrels in November 1995.
- 10.1K
- bbl oil, all reported
- 7.07K
- mcf gas incl. casinghead
- 79
- bbl oil, last 12 reported
- -83%
- vs the 12 before
- 1
- wells completed on it
- 228
- peak month, bbl (Nov 1995)
PDQ LEASE REPORTS · FIRST NOV 1995 · LAST VOLUME NOV 2010 · 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 79 · prior 12 470(-83%)
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 203 · prior 12 776(-74%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Union Oil Company of CaliforniaNov 1995 → Aug 2011 · 190 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-5-3522, documented in the API reference.