Okla. Stat. tit. 64, § 64-1051: Failure to pay bid - Reimbursement of lessee

If any lessee of public lands of this state having preference

right to purchase fails or refuses to pay the highest bona fide bid,

the lessee shall be entitled to be reimbursed for the improvements

placed on the preference right lease by the lessee at a value fixed

by the appraisers selected by the Commissioners of the Land Office

to appraise the same and shall surrender possession of the lease

immediately following the sale of the land and payment for

improvements.