LEASES · O-11-65045 · OIL · DISTRICT 8A
West-Masterson
No volume since Sep 2005Sunlight Exploration, Inc. · King County · Guthrie, N. (Strawn Reef, Upper) field
West-Masterson is an RRC oil lease (O-11-65045) in King County operated by Sunlight Exploration, Inc., with one well completed on it.
It has reported 39.8K barrels of oil and 107 mcf of gas since January 1993, last reporting volume in September 2005 (statewide data runs through April 2026).
The last 12 reported months total 432 barrels of oil, down 77% on the year before; the lease peaked at 534 barrels in May 1996.
2 operators have filed production on it, most recently Sunlight Exploration, Inc. since June 1999.
- 39.8K
- bbl oil, all reported
- 107
- mcf gas incl. casinghead
- 432
- bbl oil, last 12 reported
- -77%
- vs the 12 before
- 1
- wells completed on it
- 534
- peak month, bbl (May 1996)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME SEP 2005 · 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 432 · prior 12 1,920(-77%)
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.
- Gregco, Inc.Jan 1993 → May 1999 · 77 mo
- Sunlight Exploration, Inc.Jun 1999 → Jun 2006 · 85 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-11-65045, documented in the API reference.