دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: all or a fractional part of the interest of a lessee (grantee) under an oil and gas lease. Such interest includes the lessees right to search for, drill, and produce oil and gas from a lease tract subject to royalty payments. The term usually refers to the remaining leasehold or working interest exclusive of any nonoperating interests created and assigned therefrom, such as overriding royalty interests and production payments. Also called operating interest, working interest.