ZJ40L型钻机改造为5000m钻机的设想

Assumption of promoting the drill rig ZJ40L into 5000m mechanical rig

文章首次提出对ZJ40L型钻机进行改造并提升为5000m机械钻机的观点,对解决ZJ40L型钻机存在的问题具有一定的启发和参考价值。

It's the first time to propose how to promote the 4 000 m drilling rig ZJ40L into 5 000 m mechanical drilling rig.This idea is valuable as reference way for solving the existing problems in ZJ40L.