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Our head office is located in Tianjin city which is a municipalities city directly under the China Central Government.
How many types of drilling bits? Currently, in the drilling industry, there are two main categories of drilling bits: rolling cutter bits and fixed cutter bits. Plus, bit sizes vary from 3-7/8 inches to 36 inches.
A critical decision in the environmental drilling process is choosing the right rotary bits. Since drilling took off in the early part of the last century, a number of innovations have widened your bit choice options. Let's look at some of the more common options available.
A tricone bit is a mechanical drill bit located in the bottom hole assembly. The bit cuts away the surface of the rock being drilled through rotation and mechanical friction caused by the teeth of the bit.
What is IADC code
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