Description:

Catchall is well repairing tool for salvage,is used to salve irregular light casting junk on the bottom of the well, could demo its operating principle and structural composition. When operating, put the tool on the bottom of well using oil tube, put it into grip tooth or the gap of them, depending on the pressure generated by weight of drill stem, press bending the grip tooth to deformation and retate the drill stem, and make the deformated grip tooth form corkscrew tooth form according to its rotary direction, in enclasped or locked to death and been obtained.

Details: