Okla. Stat. tit. 10 § 92
Any minor desiring to obtain the rights of majority for the purpose named in Section 91 of this title may, by his next friend, file a verified petition in the district court of the county in which such minor shall reside, or, if the minor is a nonresident of the State of Oklahoma, said verified petition shall be filed in the county in Oklahoma where said minor owns real estate, setting forth the age of the minor petitioner and that said petitioner is then and has been a bona fide resident of such county for at least one (1) year next before the filing of the petition, or that said minor is a nonresident owning property within the State of Oklahoma, and the cause for which the petitioner seeks to obtain the rights of majority. The petition should state whether or not the parents of the minor are living, and if living, their names and addresses; whether or not a guardian has been appointed for the minor and, if a guardian has been appointed, the guardian's name and address; who has legal custody of the minor and, if the person having legal custody is not a parent or the guardian, the name and address of the person who has custody. And the district court being satisfied that the said petitioner is a person of sound mind and able to transact his affairs, and that the interests of the petitioner will be thereby promoted, may, in its discretion, order and decree that the petitioner be empowered to exercise the rights of majority for all purposes mentioned in this act.
Okla. Stat. tit. 10, § 92