主要包括螺纹修复、钻具校直、更换接头、耐磨带敷焊、钻具涂层等业务。公司使用专用管螺纹普通车床或数控车床进行螺纹修复；选用美国MTI惯性摩擦对焊机进行钻杆接头和管体的焊接；对需喷焊耐磨带的钻具也可以将设备直接运至现场进行服务。
        Maintenance and Hardbanding Welding
        Maintenance for drilling string works which mainly includes thread repairing, straightness, repairing of tool joint, hardbanding welding and internal coating etc. PDM repairs threads with standard lathe and NC lathe, also welding the joints and pipe body with American MTI inertia friction welding; besides, as for the drilling strings requires for hardbanding re-movement or repairing, PDM serves immediate delivery of the equipments and devices for on-site works.

数控车床  NC lathe

管体校直设备 Straightness Equipment for Pipe Body

耐磨带敷焊机 Hardbanding