LEASES · O-9-11138 · OIL · DISTRICT 7C
Cox, J. H.
Endeavor Energy Resources L.P. · Reagan County · Spraberry (Trend Area) field
Cox, J. H. is an RRC oil lease (O-9-11138) in Reagan County operated by Endeavor Energy Resources L.P., with one well completed on it.
It has reported 4.5K barrels of oil and 23.2K mcf of gas since the record begins in January 1993, last reporting volume in January 2009 (statewide data runs through August 2026).
No volume was reported in the 12 months through August 2026; the last was in January 2009.
2 operators have filed production on it, most recently Endeavor Energy Resources L.P. since September 2000.
- 4.5K
- bbl oil, all reported
- 23.2K
- mcf gas incl. casinghead
- 0
- bbl oil, 12 months through Aug 2026
- —
- vs the 12 before
- 1
- wells completed on it
- 214
- peak month, bbl (Mar 1999)
PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH · LAST VOLUME JAN 2009 · STATEWIDE DATA THROUGH AUG 2026
Oil by year
Each bar is a year's total of the monthly reports, Jan 1993 to Jul 2008. Nothing reported since, through Aug 2026.
Oil, bbl
Gas by year
Each bar is a year's total of the monthly reports, gas-well gas plus casinghead, Jan 1993 to Jan 2009. Nothing reported since, through Aug 2026.
Gas, mcf
Who reported it
Each run of months one operator filed the production report, oldest first, with what it reported in them.
- Stephens, Autry C.Jan 1993 → Aug 2000 · 92 mo2.64K bbl oil · 12.6K mcf gas
- Endeavor Energy Resources L.P.Sep 2000 → Apr 2020 · 236 mo1.86K bbl oil · 10.6K mcf gas
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 Aug 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-9-11138, documented in the API reference.