LEASES · O-8-31788 · OIL · DISTRICT 7B
Ulmer Unit
No volume since Dec 2016Cholla Petroleum, Inc. · Haskell County · Primero (Smithwick Shale) field
Ulmer Unit is an RRC oil lease (O-8-31788) in Haskell County operated by Cholla Petroleum, Inc., with one well completed on it.
It has reported 662 barrels of oil since September 2014, last reporting volume in December 2016 (statewide data runs through April 2026).
The last 12 reported months total 15 barrels of oil, down 87% on the year before; the lease peaked at 244 barrels in November 2014.
- 662
- bbl oil, all reported
- 0
- mcf gas incl. casinghead
- 15
- bbl oil, last 12 reported
- -87%
- vs the 12 before
- 1
- wells completed on it
- 244
- peak month, bbl (Nov 2014)
PDQ LEASE REPORTS · FIRST SEP 2014 · LAST VOLUME DEC 2016 · 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 15 · prior 12 117(-87%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Cholla Petroleum, Inc.Sep 2014 → Nov 2017 · 39 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-8-31788, documented in the API reference.