Okla. Stat. tit. 85A, § 85A-328: Selection of court

An application and motion under judicial review of a judgment or

award entered by the Commission under this act shall be made in the

district court in the county in which the agreement to arbitrate

specifies the arbitration hearing is to be held or, if the hearing

has been held, in the court in the county in which it was held.

Otherwise, the motion may be made in the district court in the

county in which an adverse party resides or has a place of business

or, if no adverse party has a residence or place of business in this

state, in the district court located either in Oklahoma City or

Tulsa. All subsequent motions shall be made in the court hearing

the initial motion unless the court otherwise directs.