shoulder of tool joint
... 钻杆拉力:drill pipe tension 钻杆接头台肩:shoulder of tool joint 钻杆接头螺纹规;接头样板:joint template ...
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为了进一步提高接头的密封能力,设计了一种斜面台肩结构来改善钻杆接头的密封性能,与api结构相比有效的提高了密封性能。
A structure of incline plane shoulder has been designed to improve the sealing performance of the joint and it improved the sealing ability effectively compared with the API joint.
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