LEASES · O-9-4686 · OIL · DISTRICT 7C

Rocker B -K-

No volume since Oct 2018

Discovery Natural Resources LLC · Reagan County · Spraberry (Trend Area) field

Rocker B -K- is an RRC oil lease (O-9-4686) in Reagan County operated by Discovery Natural Resources LLC, with 13 wells completed on it.

It has reported 167K barrels of oil and 1.41M mcf of gas since January 1993, last reporting volume in October 2018 (statewide data runs through April 2026).

The last 12 reported months total 1.88K barrels of oil, down 25% on the year before; the lease peaked at 1.14K barrels in January 1994.

4 operators have filed production on it, most recently Discovery Natural Resources LLC since September 2018.

167K
bbl oil, all reported
1.41M
mcf gas incl. casinghead
1.88K
bbl oil, last 12 reported
-25%
vs the 12 before
13
wells completed on it
1.14K
peak month, bbl (Jan 1994)

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 1,884 · prior 12 2,499(-25%)

05001K2010201120122013201420152016201720182019

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 18,578 · prior 12 31,818(-42%)

02K4K6K2010201120122013201420152016201720182019

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Graham Royalty, Ltd.Jan 1993 → Oct 1993 · 10 mo
  2. Cox, John L.Nov 1993 → Sep 2003 · 119 mo
  3. JM Cox Resources, L.P.Oct 2003 → Aug 2018 · 179 mo
  4. Discovery Natural Resources LLCSep 2018 → Jan 2019 · 5 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

13

wells completed on the lease

Plugged
12
NO Type on File
1

Newest permits

All 13 wells, searchable →

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-9-4686, documented in the API reference.