产品详情介绍
DLT-T 型可退式倒扣捞筒是集各种捞筒、母锥等工具之优点为一体的打捞工具。它既可用于打捞、倒扣、又可释放落鱼，还可进行洗井液的循环。
DLT-T type releasing and reversing overshot ,a new type of fishing tool, has many advantages owned by various overshot, box tap and the like. Its distinguishing features are as follows:to unscrew and recover the stuck fish:to release the fish down hole if necessary; to circulate the washing fluidl.