| 释义 |
- 安全接头：指一种用于油井钻具中的连接装置，用于连接两根管柱并提供密封和承载能力，以确保井口的安全。
1 ?安全接头 15、安全接头(safety joint)：接在钻柱中，必要时可从接头处退出其上部钻具。根据结构分T,C,J,H等形式。
- 1
To overcome the shortcomings of the shear pin type joint and left-hand thread type joint, a sliding sleeve subsurface safety joint is developed. 为了克服剪钉式和反扣式两种安全接头的不足，研制出一种滑套式井下安全接头。 - 2
This kind of tools mainly consists of lifting control system, safety joint, stabilizer, inner and outer barrels, full-closed core catcher, and coring bit. 该工具主要由提升控制系统、安全接头、稳定器、内外筒、全闭式岩心爪和取心钻头等部件组成。 - 3
In the light of the disadvantages and limitation of the existing unscrewing type or shearing type safety joints, a hydraulic sleeve type safety joint is designed. 针对现有倒扣式和剪断式安全接头结构上的局限性和缺陷，设计了液压滑套式安全接头。
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