Oil and gas leases in Mortimer Exploration Company

Mortimer Exploration Company is a Texas operator, Commission number 589955, with 52 leases reporting production across 12 counties. 25 of them are oil leases and 27 are gas leases. Between them they carry 99 wellbores. Reported volumes run from January 1993 to August 2026 and come to 757 thousand barrels of oil and 24.8 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 Mortimer Exploration Company

How many oil and gas leases are in Mortimer Exploration Company?
Mortimer Exploration Company has 52 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Mortimer Exploration Company produced?
Leases in Mortimer Exploration Company have reported 757,399 barrels of oil (bbl) and 24,765,707 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How much are mineral rights in Mortimer Exploration Company worth?
There is no single figure: what a mineral or royalty interest in Mortimer Exploration Company is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 52 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

  • WALKER, BILLY L. — gas, Mortimer Exploration Company, Starr County, 3.8 million reported
  • BLOCK-GUERRA — gas, Mortimer Exploration Company, Starr County, 3.3 million reported
  • MARGO/PENA — gas, Mortimer Exploration Company, Starr County, 2.8 million reported
  • BLOCK/GUERRA — gas, Mortimer Exploration Company, Starr County, 2.7 million reported
  • WALKER, BILLY L. — gas, Mortimer Exploration Company, Starr County, 2.1 million reported
  • RINGGOLD FARMS 1 — gas, Mortimer Exploration Company, Starr County, 1.7 million reported
  • ARCO NO SELLERS — gas, Mortimer Exploration Company, Jim Hogg County, 1.6 million reported
  • GUERRA — gas, Mortimer Exploration Company, Starr County, 1.3 million reported
  • MARGO/PENA — gas, Mortimer Exploration Company, Starr County, 1.1 million reported
  • RICABY — gas, Mortimer Exploration Company, Starr County, 1.1 million reported
  • WOOD/GUERRA — gas, Mortimer Exploration Company, Starr County, 1.0 million reported
  • GUERRA — gas, Mortimer Exploration Company, Starr County, 859 thousand reported
  • WOOD/WARDNER — gas, Mortimer Exploration Company, Starr County, 336 thousand reported
  • WALKER, BILLY L. — gas, Mortimer Exploration Company, Starr County, 268 thousand reported
  • WINSAUER — gas, Mortimer Exploration Company, San Patricio County, 217 thousand reported
  • RINGGOLD FARMS — gas, Mortimer Exploration Company, Starr County, 216 thousand reported
  • GROOS NATIONAL BANK — gas, Mortimer Exploration Company, Starr County, 200 thousand reported
  • SMITH, HOWARD, FEE — oil, Mortimer Exploration Company, Matagorda County, 183 thousand reported
  • WALKER RANCH — oil, Mortimer Exploration Company, Hartley County, 168 thousand reported
  • JEAN OIL UNIT — oil, Mortimer Exploration Company, Young County, 95 thousand reported
  • WALKER, BILLY L — gas, Mortimer Exploration Company, Starr County, 76 thousand reported
  • MARGO/PENA — gas, Mortimer Exploration Company, Starr County, 61 thousand reported
  • WALKER RANCH #3 — oil, Mortimer Exploration Company, Hartley County, 58 thousand reported
  • HUDSON, T. E., MRS., O/A — oil, Mortimer Exploration Company, Matagorda County, 41 thousand reported
  • MEYERS -F- — oil, Mortimer Exploration Company, Matagorda County, 37 thousand reported
  • BREAKER — oil, Mortimer Exploration Company, Starr County, 35 thousand reported
  • WALKER RANCH 136 — oil, Mortimer Exploration Company, Hartley County, 29 thousand reported
  • MEYERS ETAL — oil, Mortimer Exploration Company, Matagorda County, 25 thousand reported
  • WOOD, B. — gas, Mortimer Exploration Company, Bee County, 23 thousand reported
  • PARKS/HICKMAN — oil, Mortimer Exploration Company, Starr County, 20 thousand reported
  • LEDBETTER — oil, Mortimer Exploration Company, Shackelford County, 15 thousand reported
  • OPPENHEIMER — gas, Mortimer Exploration Company, Zavala County, 13 thousand reported
  • WALKER RANCH 236 — oil, Mortimer Exploration Company, Hartley County, 12 thousand reported
  • HOLIK — oil, Mortimer Exploration Company, Tom Green County, 10 thousand reported
  • KOUNTZE, CHARLES — oil, Mortimer Exploration Company, Matagorda County, 9 thousand reported
  • FLINN — gas, Mortimer Exploration Company, San Patricio County, 7 thousand reported
  • R.G. SMITH GAS UNIT — gas, Mortimer Exploration Company, Starr County, 6 thousand reported
  • MESTENA — gas, Mortimer Exploration Company, Brooks County, 4 thousand reported
  • LABBE — oil, Mortimer Exploration Company, Duval County, 4 thousand reported
  • CORPUS CHRISTI BANK & TRUST — oil, Mortimer Exploration Company, San Patricio County, 3 thousand reported
  • JEAN OIL UNIT — oil, Mortimer Exploration Company, Young County, 3 thousand reported
  • MCCLATCHEY-TAACK — gas, Mortimer Exploration Company, Young County, 3 thousand reported
  • WALKER RANCH — oil, Mortimer Exploration Company, Hartley County, 3 thousand reported
  • BREAKER — gas, Mortimer Exploration Company, Starr County, 3 thousand reported
  • LEDBETTER — oil, Mortimer Exploration Company, Shackelford County, 2 thousand reported
  • FOWLER — oil, Mortimer Exploration Company, San Patricio County, 2 thousand reported
  • MESTINA — gas, Mortimer Exploration Company, Brooks County, 1 thousand reported
  • JOSTES — oil, Mortimer Exploration Company, San Patricio County, 821 reported
  • WINSAUER — oil, Mortimer Exploration Company, San Patricio County, 383 reported
  • SISK, R. J. ETAL 10 ACRES — oil, Mortimer Exploration Company, Matagorda County, 324 reported
  • MCCLATCHY/ TAACK OIL UNIT — oil, Mortimer Exploration Company, Young County, 155 reported
  • OPPENHEIMER — oil, Mortimer Exploration Company, Zavala County, 61 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.