HARTMANN

HARTMANN is a Texas oil lease in Wilson County, Railroad Commission district 01, operated by Marathon Oil Ef LLC. It has 3 wellbores on file with the Commission. Reported production runs from January 2012 to August 2026, totalling 115,371 barrels. The lease is shut in. Over the last twelve months on file it averaged 1 barrels a month. Its strongest month on the record we hold was August 2020, at 1,596 barrels.

Key facts about HARTMANN

Who operates HARTMANN?
HARTMANN is operated by Marathon Oil Ef LLC, Railroad Commission of Texas operator number 525398.
Where is HARTMANN?
HARTMANN is a Texas oil lease in Wilson County, Texas, in Railroad Commission district 01. Its Railroad Commission lease number is 15731.
Is HARTMANN still producing?
HARTMANN is shut in. The most recent month of production reported to the Railroad Commission of Texas for HARTMANN is August 2026.
How much has HARTMANN produced?
HARTMANN has reported 115,371 barrels of oil (bbl) to the Railroad Commission of Texas between January 2012 and August 2026, from 3 wellbores.

Lease record

HARTMANN as filed with the Railroad Commission of Texas
OperatorMarathon Oil Ef LLC
FieldEagleville (Eagle Ford-1)
CountyWilson County, Texas
RRC district01
Lease number15731
Wellbores3
Reported production115,371 bbl
First reported
Last reported

Where HARTMANN 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.