Address: Industry zone ,beijing
web:http://www.tcirockbit.com
Country: China
Phone: 008618301418215 - Mobi: 008618301418215
rock bits
Price: 200
A Series rock bits for air drilling
In hard formation with less water content ,formations with serious leakage or with bow pressure , in order t achieve higher drilling speed ,air drilling process is usually adopted. Problems such as short service life ,low ROP ,weak gage protection ability ect.appear frequently for conventional cone bit air drilling conditions .Aim at air drilling condition, our factory has developed A series rock bit for air drilling which can solve these problems. The size range of A series rock bit is from 5 7/8 to 12 3 /8 inch ,and IADC varies from 537 to 627. For example:8 1/2A617HD.
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