LEASES · O-9-8587 · OIL · DISTRICT 7C
Halff -C-
No volume since Aug 1998Tamarack Petroleum Company, Inc. · Upton County · Spraberry (Trend Area) field
Halff -C- is an RRC oil lease (O-9-8587) in Upton County operated by Tamarack Petroleum Company, Inc., with one well completed on it.
It has reported 3.58K barrels of oil and 47K mcf of gas since January 1993, last reporting volume in August 1998 (statewide data runs through April 2026).
The last 12 reported months total 764 barrels of oil, up 83% on the year before; the lease peaked at 197 barrels in June 1998.
2 operators have filed production on it, most recently Tamarack Petroleum Company, Inc. since March 1997.
- 3.58K
- bbl oil, all reported
- 47K
- mcf gas incl. casinghead
- 764
- bbl oil, last 12 reported
- +83%
- vs the 12 before
- 1
- wells completed on it
- 197
- peak month, bbl (Jun 1998)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME AUG 1998 · 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 764 · prior 12 418(+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 7,142 · prior 12 5,767(+24%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Kaiser-Francis Oil CompanyJan 1993 → Feb 1997 · 50 mo
- Tamarack Petroleum Company, Inc.Mar 1997 → Oct 1998 · 20 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-9-8587, documented in the API reference.