API Cross Over Sub Oil Drilling Rig Equipment Tool

API Circulating Cross Over Sub Oil Drilling Rig Equipment Tool
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Product Details

Cross-over in oil, gas and geology drilling operation transformation of drill string components connection role, is to connect one of the main tools of upper drilling tools and lower drill, drill string cross over and tubing cross over. type A (same diameter), type B (reducing type) and C (left-hand).Tool button at the bottom of the drilling process, type and upper tool button type connection, which requires using cross over to connect to.20170320135408_4892_zs

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