MARY 18E

MARY 18E is a Texas oil lease in Upton County, Railroad Commission district 7C, operated by Pioneer Natural Res. USA, Inc. It has 1 wellbore on file with the Commission. Reported production runs from October 2023 to August 2026, totalling 493 barrels. The lease is not currently producing. Its strongest month on the record we hold was October 2023, at 161 barrels.

Key facts about MARY 18E

Who operates MARY 18E?
MARY 18E is operated by Pioneer Natural Res. USA, Inc., Railroad Commission of Texas operator number 665748.
Where is MARY 18E?
MARY 18E is a Texas oil lease in Upton County, Texas, in Railroad Commission district 7C. Its Railroad Commission lease number is 22284.
Is MARY 18E still producing?
MARY 18E is not currently producing. The most recent month of production reported to the Railroad Commission of Texas for MARY 18E is August 2026.
How much has MARY 18E produced?
MARY 18E has reported 493 barrels of oil (bbl) to the Railroad Commission of Texas between October 2023 and August 2026, from 1 wellbore.

Lease record

MARY 18E as filed with the Railroad Commission of Texas
OperatorPioneer Natural Res. USA, Inc.
FieldSpraberry (Trend Area) R 40 Exc
CountyUpton County, Texas
RRC district7C
Lease number22284
Wellbores1
Reported production493 bbl
First reported
Last reported

Where MARY 18E 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.