COX "9"

COX "9" is a Texas oil lease in Martin County, Railroad Commission district 08, operated by Endeavor Energy Resources L.P. It has 4 wellbores on file with the Commission. Reported production runs from April 2000 to August 2026, totalling 235,606 barrels. The lease is not currently producing. Its strongest month on the record we hold was December 2017, at 1,923 barrels.

Key facts about COX "9"

Who operates COX "9"?
COX "9" is operated by Endeavor Energy Resources L.P., Railroad Commission of Texas operator number 251726.
Where is COX "9"?
COX "9" is a Texas oil lease in Martin County, Texas, in Railroad Commission district 08. Its Railroad Commission lease number is 36430.
Is COX "9" still producing?
COX "9" is not currently producing. The most recent month of production reported to the Railroad Commission of Texas for COX "9" is August 2026.
How much has COX "9" produced?
COX "9" has reported 235,606 barrels of oil (bbl) to the Railroad Commission of Texas between April 2000 and August 2026, from 4 wellbores.

Lease record

COX "9" as filed with the Railroad Commission of Texas
OperatorEndeavor Energy Resources L.P.
FieldSpraberry (Trend Area)
CountyMartin County, Texas
RRC district08
Lease number36430
Wellbores4
Reported production235,606 bbl
First reported
Last reported

Where COX "9" sits

Source: Railroad Commission of Texas lease production records, complete through . Figures on this page were computed on .

Production figures are as reported to the Railroad Commission of Texas. The value shown is an estimate produced by fitting a decline curve to that reported history; it is not an offer or an appraisal. How this estimate is calculated.