LEASES · O-9-4577 · OIL · DISTRICT 7C
Rocker B -F-
No volume since Oct 2018Discovery Natural Resources LLC · Reagan County · Spraberry (Trend Area) field
Rocker B -F- is an RRC oil lease (O-9-4577) in Reagan County operated by Discovery Natural Resources LLC, with 10 wells completed on it.
It has reported 103K barrels of oil and 885K mcf of gas since January 1993, last reporting volume in October 2018 (statewide data runs through April 2026).
The last 12 reported months total 2.16K barrels of oil, down 60% on the year before; the lease peaked at 2.26K barrels in November 2014.
4 operators have filed production on it, most recently Discovery Natural Resources LLC since September 2018.
- 103K
- bbl oil, all reported
- 885K
- mcf gas incl. casinghead
- 2.16K
- bbl oil, last 12 reported
- -60%
- vs the 12 before
- 10
- wells completed on it
- 2.26K
- peak month, bbl (Nov 2014)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME OCT 2018 · 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 2,164 · prior 12 5,376(-60%)
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 27,791 · prior 12 60,835(-54%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Graham Royalty, Ltd.Jan 1993 → Oct 1993 · 10 mo
- Cox, John L.Nov 1993 → Sep 2003 · 119 mo
- JM Cox Resources, L.P.Oct 2003 → Aug 2018 · 179 mo
- Discovery Natural Resources LLCSep 2018 → Jan 2019 · 5 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
10
wells completed on the lease
- Plugged
- 7
- NO Type on File
- 3
Operates them now
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-9-4577, documented in the API reference.