Oil and gas leases in Marathon Oil Ef LLC — page 5

Marathon Oil Ef LLC is a Texas operator, Commission number 525398, with 1,318 leases reporting production across 9 counties. 568 of them are oil leases and 750 are gas leases. Between them they carry 2,565 wellbores. Reported volumes run from October 2010 to August 2026 and come to 389.0 million barrels of oil and 925.2 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 Marathon Oil Ef LLC

How many oil and gas leases are in Marathon Oil Ef LLC?
Marathon Oil Ef LLC has 1,318 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Marathon Oil Ef LLC produced?
Leases in Marathon Oil Ef LLC have reported 388,991,277 barrels of oil (bbl) and 925,179,763 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between October 2010 and August 2026.
How much are mineral rights in Marathon Oil Ef LLC worth?
There is no single figure: what a mineral or royalty interest in Marathon Oil Ef LLC is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 1,318 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 5 of 7

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.