Marathon Oil is an independent exploration and production company focused on the U.S. resource plays. Co. also has international operations in Equatorial Guinea (E.G.). Co.'s segments are: U.S., which explores for, produces and markets crude oil and condensate, natural gas liquids (NGLs) and natural gas in the U.S.; and International, which explores for, produces and markets crude oil and condensate, NGLs and natural gas outside of the U.S. as well as produces and markets products manufactured from natural gas, such as liquefied natural gas and methanol, in E.G.