Okla. Stat. tit. 60, § 60-49.8
Additional Construction
ADDITIONAL CONSTRUCTION
Unless the grantor of a conservation easement elects otherwise
at the time of and in the same manner as the grant of the easement:
1. Nothing in this act shall be construed to impair the rights
of a party with respect to the acquisition of rights-of-way,
easements, or other property rights, whether through voluntary
conveyance or eminent domain, upon or under which facilities, plant,
system, or other improvements including, but not limited to, a
pipeline for transmission, gathering, or transportation of
hydrocarbons are to be constructed; and
2. The holder of a conservation easement must subordinate,
without construction restrictions or other obligations, the
conservation easement upon the request of any party owning any of
the above rights-of-way, easements, or other property rights whether
acquired prior or subsequent to the conservation easement.