Okla. Stat. tit. 58 § 931
That administrators and executors of the estates of deceased persons and the guardians of estates, minors and incompetent persons are hereby authorized to enter into contracts with pipeline companies, corporations, conservancy districts, individuals or partnerships or the State of Oklahoma or any subdivision thereof or any municipal corporation, for the construction, operation and maintenance of party walls, pipelines, transmission lines, upstream flood-control dams and lakes, or to enter into contracts with companies, corporations, individuals, partnerships, the State of Oklahoma or any subdivision thereof, or any municipal corporation for the construction, operation and maintenance of wind energy conversion systems, state or county highways, and to sell and dispose of an easement under said contract for said purposes, upon and across the lands or any interest therein belonging to the estates of deceased persons and of minors and incompetents, upon such terms and conditions that said administrators, executors or guardians of such persons may deem reasonable and equitable, and for the best interest of said estates of deceased persons, minors and incompetents.
Okla. Stat. tit. 58, § 931