Okla. Stat. tit. 42, § 42-150: Filing statement

Any person claiming a lien as aforesaid shall file in the office

of the county clerk of the county in which the land or property is

situated, a statement setting forth the amount claimed and the items

thereof, as nearly as practicable, the names of the managers,

lessees, sublessees, operators, mortgagees, trustees and

beneficiaries under trusts, or owners, the contractor, the claimant

and the legal description of the property, subject to such lien and

verified by affidavit. Such statement shall be filed within forty-

five (45) days after the date upon which such labor was last

performed. Upon receipt of such lien statement, the clerk shall

enter same against the tract index and in a record kept for that

purpose, to be called the mechanics' lien journal. Except as

provided herein, the provisions of Sections 92 through 96 and 141

through 147 of this title shall apply with reference to the liens

herein created.