LEASES · O-11-65438 · OIL · DISTRICT 8A
Grissom
No volume since Jan 2023Extex Operating Company · Dawson County · Deroen (Mississippian) field
Grissom is an RRC oil lease (O-11-65438) in Dawson County operated by Extex Operating Company, with one well completed on it.
It has reported 79.9K barrels of oil and 118K mcf of gas since January 1993, last reporting volume in January 2023 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in January 2023.
4 operators have filed production on it, most recently Extex Operating Company since March 2026.
- 79.9K
- bbl oil, all reported
- 118K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 387
- peak month, bbl (Apr 2001)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JAN 2023 · 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 0 · prior 12 0
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
Who reported it
Each run of months one operator filed the production report, oldest first.
- Eland Energy, Inc.Jan 1993 → Aug 2013 · 248 mo
- Three Rivers Operating Co II LLCSep 2013 → Mar 2017 · 43 mo
- Cholla Petroleum, Inc.Apr 2017 → Feb 2026 · 107 mo
- Extex Operating CompanyMar 2026 → Jul 2026 · 5 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-11-65438, documented in the API reference.