PDC core drill bits --- arc core bit - 25mm-450mm

Core drill bits

Application: Depending on different labial surface shapes and body formulation, it can be applied to coring of complex rock formations; the drilled core can be used in the research of geological exploration.

Type: PDC coring drill bits/diamond coring drill bits.

Specification: Φ25--Φ450

Name: PDC Arc coring drill bits

Type: Ordinary Strengthened High strength

Feature:

The blade is made from diamond compound material, drilling by cutting, large protrusion and long service life. It is a new tool to drill the whole medium hard and hard formation effectively.

(The crown part can be designed into any suitable shapes like arc, scalariform, high-low teeth, rib, etc. according to construction technology requirements and characters of the drilling formation. It can be divided into three types: single tube, double tube and rope coring).

Name:PDC rib coring drill bits

Type: Ordinary Strengthened High strength

Feature: Based on regular core drill bits, thicken the crown part body, arrange teeth internal and external crosswise, add the quantity of glomerocryst gauge protection, enhance space between borehole and external wall of core barrel to protect the core barrel, the effect will be more obvious especially in deep well. It is a core drill bit drilling construction team prefers.

Name:PDC two-stair rib coring drill bits

Type: Ordinary Strengthened High strength

Feature: Arrange teeth in stages when the crown part space is enough, it has another geometric construction of ordinary rib drill bits, thus to increase area between blade and lamellar body, reduce pressure on blade unit area, prolong service life of the blades, improve gauge protection effect and protect core tube. The water gap is deepened, and it is suitable for drilling for large well depth and high pump pressure.

Main Technical Parameter of Drill Bits:

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