Oregon Revised Statutes Shipping and Navigation § 783.340

The sheriff shall redeliver the vessel attached to the owner or master thereof upon the owner or master delivering to the sheriff an undertaking, with one or more sufficient sureties approved by the judge of the court, or in case of the judge's absence by the sheriff, which undertaking shall be so conditioned that the obligors therein shall pay to the plaintiff the judgment rendered in the cause. The sureties thereon shall in the aggregate justify in double the amount of the undertaking.