Definition(s)


COS

Certificate of service.

Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards

 

COS

Document in which the equipment manufacturer, remanufacturer, technical authority/owner, or operator certifies that the equipment has been inspected and successfully tested in accordance with the applicable equipment owner’s maintenance program and/or manufacturer’s guidelines.

Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards

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