MCMASTER "D"

MCMASTER "D" is a Texas oil lease in Reagan 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 18,215 barrels. The lease is not currently producing. Its strongest month on the record we hold was September 2021, at 101 barrels.

Key facts about MCMASTER "D"

Who operates MCMASTER "D"?
MCMASTER "D" is operated by Cox, John L., Railroad Commission of Texas operator number 185980.
Where is MCMASTER "D"?
MCMASTER "D" is a Texas oil lease in Reagan County, Texas, in Railroad Commission district 7C. Its Railroad Commission lease number is 11521.
Is MCMASTER "D" still producing?
MCMASTER "D" is not currently producing. The most recent month of production reported to the Railroad Commission of Texas for MCMASTER "D" is August 2026.
How much has MCMASTER "D" produced?
MCMASTER "D" has reported 18,215 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026, from 1 wellbore.

Lease record

MCMASTER "D" as filed with the Railroad Commission of Texas
OperatorCox, John L.
FieldSpraberry (Trend Area)
CountyReagan County, Texas
RRC district7C
Lease number11521
Wellbores1
Reported production18,215 bbl
First reported
Last reported

Where MCMASTER "D" 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.