Oil and gas leases in ST. Mary Operating Company

ST. Mary Operating Company is a Texas operator, Commission number 810838, with 3 leases reporting production across 2 counties. 1 of them are oil leases and 2 are gas leases. Between them they carry 3 wellbores. Reported volumes run from December 1997 to August 2026 and come to 145 thousand barrels of oil and 3.7 million Mcf of gas. Every lease below has its own page with a decline-curve forecast and an estimate of what the whole lease is worth.

Key facts about ST. Mary Operating Company

How many oil and gas leases are in ST. Mary Operating Company?
ST. Mary Operating Company has 3 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has ST. Mary Operating Company produced?
Leases in ST. Mary Operating Company have reported 145,427 barrels of oil (bbl) and 3,739,596 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between December 1997 and August 2026.
How much are mineral rights in ST. Mary Operating Company worth?
There is no single figure: what a mineral or royalty interest in ST. Mary Operating Company is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 3 leases listed here has its own page with the full production history the operator reported, a decline-curve forecast, and an estimate of what a royalty interest in it is worth today.

Counties here

Railroad Commission districts

Leases

  • CLAY FAMILY TRUST 34 — gas, ST. Mary Operating Company, Wheeler County, 2.0 million reported
  • CAROLYN — gas, ST. Mary Operating Company, Grayson County, 1.7 million reported
  • KINCY — oil, ST. Mary Operating Company, Grayson County, 145 thousand reported

Production figures are as reported to the Railroad Commission of Texas. Values shown on lease pages are estimates produced by fitting a decline curve to that reported history; they are not offers or appraisals.