产品详情介绍
转换接头在石油、天然气和地质钻井作业中起钻柱构件的转换连接作用，是连接上部钻具与下部钻具的主要工具之一。在钻井过程中与上部钻具的扣型连接不上,这就需要用转换接头来连接。
Cross-over sub acts for conversion and connection of drill stem component in petroleum,natural gas and geology drilling work.It is used mainly for connection of Upper drill tools and lower drill tools during drilling operations.
