GYD Series Single-cone Rock Bits for Oil Well Drilling

The main structure features:

This series bit is applicable for slim hole drilling(such as side tracking, repairing well, etc.),use two stage gage protection of the cone and bit body has been in progress optimization at tooth spacing arrangement. The bearing surface is welded and applied abrasive-resistance materials, two watercourses structure of main and auxil-iary are used for the hydraulic system with a jet nozzle and a diver-gent nozzle. Drilling efficiency is high, work is reliable.