Oil and gas leases in Mas Operating Co.

Mas Operating Co. is a Texas operator, Commission number 531346, with 16 leases reporting production across 3 counties. Between them they carry 103 wellbores. Reported volumes run from January 1993 to August 2026 and come to 473 thousand barrels of oil. 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 Mas Operating Co.

How many oil and gas leases are in Mas Operating Co.?
Mas Operating Co. has 16 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Mas Operating Co. produced?
Leases in Mas Operating Co. have reported 473,064 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026.
How much are mineral rights in Mas Operating Co. worth?
There is no single figure: what a mineral or royalty interest in Mas Operating Co. is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 16 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

  • WALTON, J. B., TRACT -B- — oil, Mas Operating Co., Winkler County, 99 thousand reported
  • WALTON, J. B. TRACT -A- — oil, Mas Operating Co., Winkler County, 77 thousand reported
  • ZACHARY ESTATE — oil, Mas Operating Co., Winkler County, 47 thousand reported
  • ROBERTS, DORA -A- & -B- — oil, Mas Operating Co., Glasscock County, 46 thousand reported
  • ROBERTS, DORA, -B- — oil, Mas Operating Co., Glasscock County, 41 thousand reported
  • JAKE — oil, Mas Operating Co., Winkler County, 34 thousand reported
  • MAGNOLIA-ROBERTS — oil, Mas Operating Co., Glasscock County, 28 thousand reported
  • ROBERTS, DORA -E- — oil, Mas Operating Co., Glasscock County, 21 thousand reported
  • ROBERTS, DORA -A- — oil, Mas Operating Co., Glasscock County, 19 thousand reported
  • FT. WORTH NATL. BANK — oil, Mas Operating Co., Glasscock County, 17 thousand reported
  • ROBERTS, DORA -B- (SOUTHLAND) — oil, Mas Operating Co., Howard County, 11 thousand reported
  • SPRAGUE — oil, Mas Operating Co., Howard County, 9 thousand reported
  • GARRETT, HORACE — oil, Mas Operating Co., Glasscock County, 9 thousand reported
  • JAKE — oil, Mas Operating Co., Winkler County, 7 thousand reported
  • SPRAGUE "B" — oil, Mas Operating Co., Howard County, 5 thousand reported
  • SPRAGUE -A- — oil, Mas Operating Co., Glasscock County, 4 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.