Impregnated diamond core bit manufacturer
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Drill bit pressure selection sheet


 


Bit type

Surface set core bit

Increase the pressure

Impregnated core bit

Decrease the pressure

Bit parameters

Large diameter, thick wall, soft matrix

Increase the pressure

Small diameter, thin wall, hard matrix

Decrease the pressure

Rock properties

Hard and complete

Increase the pressure

Soft and broken

Decrease the pressure

Diamond

Good quality, big quantity, big size

Increase the pressure

Poor quality, small quantity, small size

Decrease the pressure

Cut area of rock

Big cut area

Increase the pressure

Small cut area

Decrease the pressure

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