SEMILLON

SEMILLON is a Texas oil lease in Martin County, Railroad Commission district 08, operated by Opal Resources Operating Co.,LLC. It has 2 wellbores on file with the Commission. Reported production runs from June 2010 to August 2026, totalling 66,608 barrels. The lease is not currently producing. Its strongest month on the record we hold was August 2023, at 823 barrels.

Key facts about SEMILLON

Who operates SEMILLON?
SEMILLON is operated by Opal Resources Operating Co.,LLC, Railroad Commission of Texas operator number 624735.
Where is SEMILLON?
SEMILLON is a Texas oil lease in Martin County, Texas, in Railroad Commission district 08. Its Railroad Commission lease number is 40266.
Is SEMILLON still producing?
SEMILLON is not currently producing. The most recent month of production reported to the Railroad Commission of Texas for SEMILLON is August 2026.
How much has SEMILLON produced?
SEMILLON has reported 66,608 barrels of oil (bbl) to the Railroad Commission of Texas between June 2010 and August 2026, from 2 wellbores.

Lease record

SEMILLON as filed with the Railroad Commission of Texas
OperatorOpal Resources Operating Co.,LLC
FieldSpraberry (Trend Area)
CountyMartin County, Texas
RRC district08
Lease number40266
Wellbores2
Reported production66,608 bbl
First reported
Last reported

Where SEMILLON 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.