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可退式卡瓦打捞筒(Releasing and Circulating Overshots)

产品详情介绍

可退式卡瓦打捞筒    Releasing and Circulating Overshots
LT-T型可退式卡瓦打捞筒是用于钻井、修井过程中从外部打捞钻挺、钻杆、油管以及其它落鱼的专用打捞工具。
Releasing and Circulating Overshot is LT-T type special external fishing tool used for fishing drill collar,drill pipe,tubing and other fishes in drilling and work over operation