Okla. Stat. tit. 58, § 58-502: Application and hearing

On the filing of a verified application by either the executor

or the administrator, or by any person claiming to be entitled to

such conveyance from an executor or administrator, setting forth the

facts upon which the claim is predicated, the court shall appoint a

time for hearing the application, shall issue notice thereof, shall

cause copies of such notice to be mailed to each of the heirs at

law, devisees and legatees of the decedent, whose addresses are

known, at least ten (10) days prior to the date of hearing, and

shall cause notice thereof to be published one time, at least ten

(10) days before the date of hearing, in a newspaper of general

circulation published in the county where the property is located.