产品详情介绍
AJ 型安全接头是钻井、修井、试油（气）等工程中对钻柱起保护作用的一种专用工具。它适用于井下事故处理，也适用于钻井和取芯的中途测试。
AJ type safety joint is a specialized sub consisting of two parts.The specialized sub takes protective effect for drilling, repairing and test oil(gas)engineering, etc. It is used to remedy well bottom accident and on-the-way test in drilling and coring operation.