Okla. Stat. tit. 58, § 181

On the return of the citation, or at such other time as the judge may appoint, he must proceed to hear the proofs and allegations of the parties. If it satisfactorily appears that the security is from any cause insufficient, he may make an order requiring the executor or administrator to give further security, or to file a new bond, in the usual form, within a reasonable time, not less than five (5) days.