How to Prevent the Boring Tool Drilling Tool from Breaking or Falling off
Author:kaishan Time:2016-12-23
How to Prevent the Boring Tool Drilling Tool from Breaking or Falling off
In the use of crystal drilling rig construction of geological drilling, drilling tools to prevent the break or fall off the need to do the following:
1,All kinds of coffins, joints and couplings should be classified according to the old and new levels of storage, use. Check the bending and wear of the drilling tool using lifting and lowering tools, correcting hole depth and removal time.
2, when unloading the drilling tool, forbids to use the sledgehammer to strike the drill pipe and its joint.
3, reaming or drilling in the rotary resistance is too large, shall not be forced to drive.
4, to grasp the reasonable WOB, not blindly pressurized drilling.