Okla. Stat. tit. 12, § 12-1878: Location of arbitration

An application and motion pursuant to Section 6 of this act must

be made in the court of 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 of the county in which it was

held. Otherwise, the motion may be made in the court of any 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 court of any county in this state. All subsequent motions

must be made in the court hearing the initial motion unless the

court otherwise directs.