Okla. Stat. tit. 20, § 95.7

A judge to whom a case has been assigned has continuing authority over it, including the determination of post-trial motions, until its final disposition or until such case is removed from his jurisdiction by the appointing authority, and the judge may act in connection with such case at any place, except that a party who is entitled to be heard may object to attending a hearing at a place other than where the action is docketed.