LEASES · O-10-1354 · OIL · DISTRICT 08
Halley, S. M.
No volume since Feb 2020Wallace Operating Company LLC · Winkler County · Emperor (Holt) field
Halley, S. M. is an RRC oil lease (O-10-1354) in Winkler County operated by Wallace Operating Company LLC, with 3 wells completed on it.
It has reported 80.2K barrels of oil and 63.3K mcf of gas since January 1993, last reporting volume in February 2020 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in February 2020.
7 operators have filed production on it, most recently Wallace Operating Company LLC since July 2025.
- 80.2K
- bbl oil, all reported
- 63.3K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 3
- wells completed on it
- 749
- peak month, bbl (Mar 1995)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME FEB 2020 · 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.
- Texaco E & P Inc.Jan 1993 → Nov 1994 · 23 mo
- Midland Southwest Cold Lake IncDec 1994 → Jun 1997 · 31 mo
- Southwest Royalties, Inc.Jul 1997 → Nov 2018 · 257 mo
- Champion Lone Star Operating,llcDec 2018 → Mar 2020 · 16 mo
- Juno Operating Company III, LLCApr 2020 → Apr 2025 · 61 mo
- Team Operating, L.L.C.May 2025 → Jun 2025 · 2 mo
- Wallace Operating Company LLCJul 2025 → Jul 2026 · 13 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Shut IN
- 2
- Plugged
- 1
Operates them now
Newest permits
- 49505587 #9DAug 8, 1994
- — #94—
- — #95—
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-10-1354, documented in the API reference.