Oil and gas leases in ST. Mary Land & Exploration Co. — page 2

ST. Mary Land & Exploration Co. is a Texas operator, Commission number 810874, with 225 leases reporting production across 16 counties. 22 of them are oil leases and 203 are gas leases. Between them they carry 256 wellbores. Reported volumes run from January 1993 to August 2026 and come to 2.7 million barrels of oil and 119.0 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 Land & Exploration Co.

How many oil and gas leases are in ST. Mary Land & Exploration Co.?
ST. Mary Land & Exploration Co. has 225 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 Land & Exploration Co. produced?
Leases in ST. Mary Land & Exploration Co. have reported 2,652,421 barrels of oil (bbl) and 119,046,143 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How much are mineral rights in ST. Mary Land & Exploration Co. worth?
There is no single figure: what a mineral or royalty interest in ST. Mary Land & Exploration Co. is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 225 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.

Leases — page 2 of 2

  • BRISCOE "E" — gas, ST. Mary Land & Exploration Co., Webb County, 6 thousand reported
  • GRIFFIN — gas, ST. Mary Land & Exploration Co., Rusk County, 6 thousand reported
  • BRISCOE "E"-A — gas, ST. Mary Land & Exploration Co., Webb County, 6 thousand reported
  • BRISCOE "G" — oil, ST. Mary Land & Exploration Co., Webb County, 5 thousand reported
  • UNIVERSITY BECKY D — gas, ST. Mary Land & Exploration Co., Andrews County, 4 thousand reported
  • PETTY RANCH — gas, ST. Mary Land & Exploration Co., Webb County, 4 thousand reported
  • BRISCOE "E" — gas, ST. Mary Land & Exploration Co., Webb County, 4 thousand reported
  • BRISCOE "E" — gas, ST. Mary Land & Exploration Co., Webb County, 4 thousand reported
  • BRISCOE "G" — gas, ST. Mary Land & Exploration Co., Webb County, 3 thousand reported
  • BRISCOE — oil, ST. Mary Land & Exploration Co., Webb County, 3 thousand reported
  • BRISCOE "C" — gas, ST. Mary Land & Exploration Co., Webb County, 3 thousand reported
  • JUDY — oil, ST. Mary Land & Exploration Co., Upton County, 3 thousand reported
  • BRISCOE "A" — gas, ST. Mary Land & Exploration Co., Webb County, 3 thousand reported
  • BRISCOE "G" — gas, ST. Mary Land & Exploration Co., Webb County, 2 thousand reported
  • LOWE 1H UNIT — oil, ST. Mary Land & Exploration Co., Rusk County, 2 thousand reported
  • BRISCOE "G" — gas, ST. Mary Land & Exploration Co., Webb County, 675 reported
  • BRISCOE "B" — gas, ST. Mary Land & Exploration Co., Webb County, 558 reported
  • BRISCOE "C" — gas, ST. Mary Land & Exploration Co., Webb County, 383 reported
  • KATIE — oil, ST. Mary Land & Exploration Co., Upton County, 359 reported
  • KATHRYN — oil, ST. Mary Land & Exploration Co., Upton County, 329 reported
  • UNIVERSITY DEBRA D — gas, ST. Mary Land & Exploration Co., Andrews County, 242 reported
  • SHEPPARD — oil, ST. Mary Land & Exploration Co., Rusk County, 177 reported
  • BRISCOE "G" — gas, ST. Mary Land & Exploration Co., Webb County, 10 reported
  • UNIVERSITY KARIN A — gas, ST. Mary Land & Exploration Co., Andrews County, 4 reported
  • UNIVERSITY DONNA A — gas, ST. Mary Land & Exploration Co., Andrews County, 2 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.