Combined with practice from the casing pipe drilling machine, boring construction , fabrication of steel reinforcement cage, pile foundation construction and other aspects the boring construction technology of MT-150 casing pipe drilling machine is elaborated.

Large Diameter Fully Casing Impact Bucket Grab CGD-1 was designed and development mainly for mating the fully casing drill rig.

Investigation in the direction controlling system of drill bit on horizontal auger;

Application of casing drilling technology in directional wells;

Analysis on residual strength after casing surface wear caused in casing drilling;

TESCO casing drilling technology;