Okla. Stat. tit. 64, § 64-1033: Recordation of instruments - Fees

All instruments vesting any right, title or interest in lands or

minerals and mineral rights, in the Commissioners of the Land

Office, and all instruments to adjust any defect or irregularity in

or to remove any cloud on the title to lands or minerals or mineral

rights owned by the state, and all notices and orders issued by the

Commissioners of the Land Office and proofs of publication thereof

shall be filed and recorded by the proper officers of all counties

of the State of Oklahoma at the request of the Commissioners of the

Land Office without any filing or recording fee being charged.