1. Composite drill bit for geological exploration
The composite drill bit mainly used for geological exploration and exploration is suitable for soft to medium hard rock layers. Now some manufacturers have newly developed new composite chips that can be applied to ten-grade hardness rock layers.
2. Coal field drills use composite drill bits
It is mainly used for coal seam drilling and mining in coal mines. Generally speaking, the rock formation in the coal field is relatively soft, and the composite drill bits are widely used, such as bolt bits, tri-wing bits and so on.
3. Composite drill bits for petroleum exploration
It is mainly used for drilling in oil and gas fields. At present, the oilfield composite drill bit is the most expensive and the most demanding among all the composite drill bits. It can be said that it is a noble in the composite drill.
