Okla. Stat. tit. 58 § 7
Current through Laws 2024, c. 453.
The district court of the county in which application is first made for letters testamentary or of administration in any of the cases above mentioned, shall have jurisdiction coextensive with the State in the settlement of the estate of the decedent and the sale and distribution of his real estate and excludes the jurisdiction of the district court of every other county.
Okla. Stat. tit. 58, § 7