Okla. Stat. tit. 85A, § 85A-87: Settlement of claim

If the employer or carrier and the injured employee desire to

settle the claim, they shall file a joint petition for settlement

with the Workers' Compensation Commission. After the joint petition

has been filed, the Commission shall order that all workers'

compensation claims between the parties covered by the joint

petition have been settled. No appeal shall lie from a judgment or

award denying a joint petition.