Cangzhou Great PDC Drill Co., ltd specializes in designing, manufacturing, marketing and serving the high performance diamond bits and drilling tools used in petroleum industry. The company is established by the top experts of the field, and equipped with advanced equipments and facilities.
Surface set diamond core bits can be used with any type of core barrels. By varying the diamond grade, size, quality, and matrix hardness and crown shapes, the users can satisfactorily drill and core hard formations. To avoid excessive matrix wear at the leading edge of each segment, tungsten carbide inserts are fitted on each side of the waterway. This kind of bits cannot be used in broken or loose formations.
8 1/2(215mm)*4 1/8(104mm) PDC core bit for oil well,oil well pdc core drilling bits,coal mine drill bit
- It has a super long life. The useful life of the PDC bit is 4~5 times than the diamond bit, 10 times than the tungsten carbide bit at least.
- It has high drilling speed.
- It can be operated with low pressure and low speed.
- It has a good gage protection.
- It can be used widely, more suitable for drilling in the stratum with hardness coefficient f<9
- It has a low cost
8 1/2(215mm)*4 1/8(104mm) PDC core bit for oil well,oil well pdc core drilling bits,coal mine drill bit