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​The rock breaking action of pdc bit is completed by diamond particles.

​The bit body of matrix pdc bit is made of cast tungsten carbide powder and impregnating material through pressureless impregnation sintering

​The shape of the steel body diamond composite bit need not be limited by the strength of the cutter blade

The strength of PDC bit is mainly determined by the strength of diamond composite sheet

The steel grade of the drill pipe refers to the grade of the steel of the drill pipe, which is determined by the yield strength of the steel of the drill pipe.

The drill pipe is a steel pipe with a thread at the end, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hol...

Replace the valve plate and valve seat: remove the valve cavity pressure, remove the valve cover bolts, and take out the valve plate and the upper part of the valve cover together.

The inspection contents of the wire rope are: the number of safety turns of the wire rope, the selection.

Check the main structural conditions of the drilling rig, structural connecting bolts, structural connecting pins.

When the mast of the drilling rig is raised and lowered, the operator should stand in a safe position.

The hoisting ring and the hoisting ring seat are connected with a pin shaft, the hoisting ring seat and the hook rod are welded into one body, the cylinder body and the hook bod...

Trigger and run the drilling tool, run the casing, control the drill bit and the drilling tool.