SOUTHWEST TEXAS CORPORATION

SOUTHWEST TEXAS CORPORATION is a Texas oil lease in Duval County, Railroad Commission district 04, operated by Kosarek, Charlie. It has 3 wellbores on file with the Commission. Reported production runs from January 1993 to July 2016, totalling 11,398 barrels. The lease is not currently producing. Its strongest month on the record we hold was April 2009, at 296 barrels.

Key facts about SOUTHWEST TEXAS CORPORATION

Who operates SOUTHWEST TEXAS CORPORATION?: SOUTHWEST TEXAS CORPORATION is operated by Kosarek, Charlie, Railroad Commission of Texas operator number 475749.
Where is SOUTHWEST TEXAS CORPORATION?: SOUTHWEST TEXAS CORPORATION is a Texas oil lease in Duval County, Texas, in Railroad Commission district 04. Its Railroad Commission lease number is 01625.
Is SOUTHWEST TEXAS CORPORATION still producing?: SOUTHWEST TEXAS CORPORATION is not currently producing. The most recent month of production reported to the Railroad Commission of Texas for SOUTHWEST TEXAS CORPORATION is July 2016.
How much has SOUTHWEST TEXAS CORPORATION produced?: SOUTHWEST TEXAS CORPORATION has reported 11,398 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and July 2016, from 3 wellbores.

Lease record

SOUTHWEST TEXAS CORPORATION as filed with the Railroad Commission of Texas
Operator	Kosarek, Charlie
Field	Longhorn, South
County	Duval County, Texas
RRC district	04
Lease number	01625
Wellbores	3
Reported production	11,398 bbl
First reported	January 1993
Last reported	July 2016

Where SOUTHWEST TEXAS CORPORATION sits

Source: Railroad Commission of Texas lease production records, complete through July 2016. Figures on this page were computed on 27 August 2026.

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.