LEASES · O-4-12639 · OIL · DISTRICT 04
City of Portland G.U. "B"
No volume since Jan 1999Cox Exploration, Inc. · Portland, N. (Commonwealth Serie field
City Of Portland G.U. "B" is an RRC oil lease (O-4-12639) in the Portland, N. (Commonwealth Serie field operated by Cox Exploration, Inc., with one well completed on it.
It has reported 5.09K barrels of oil and 77.3K mcf of gas since December 1996, last reporting volume in January 1999 (statewide data runs through April 2026).
The last 12 reported months total 1.12K barrels of oil, down 53% on the year before; the lease peaked at 557 barrels in May 1997.
- 5.09K
- bbl oil, all reported
- 77.3K
- mcf gas incl. casinghead
- 1.12K
- bbl oil, last 12 reported
- -53%
- vs the 12 before
- 1
- wells completed on it
- 557
- peak month, bbl (May 1997)
PDQ LEASE REPORTS · FIRST DEC 1996 · LAST VOLUME JAN 1999 · 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 1,123 · prior 12 2,385(-53%)
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 12,286 · prior 12 44,018(-72%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Cox Exploration, Inc.Dec 1996 → Jun 1999 · 31 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-4-12639, documented in the API reference.