HALFF ESTATE -D-

HALFF ESTATE -D- is a Texas oil lease in Upton County, Railroad Commission district 7C, operated by Cox, John L. It has 1 wellbore on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 54,066 barrels. The lease is currently producing. Fitting a decline curve to that history and pricing the remaining production at today's forward curve values a standard royalty share at about $8K, with roughly $1K expected over the next twelve months.

OperatorCox, John L.
FieldOld Upland (Bend)
CountyUpton County, Texas
RRC district7C
Lease number07655
Wellbores1
Reported production54,066 bbl
First reportedJanuary 1993
Last reportedAugust 2026
Estimated royalty value$8K

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.