DC-type Drill Collar Raiser is mainly applied for holding and lifting drill collars in petroleum drilling,natural gas drilling and workover operation.This product is designed and manufactured according to API Spec 8A/8C Specification for Drilling and Production Hoisting Equipment.The structure of this drill collar dolly link adapter is logical,safe and relable,which is safer than traditional device and extends service life for tools.It is a perfect device for drilling and workover operation.
