6″ SHV637YT

Specifications

Size: 6″ (152.4 mm)
IADC: 637
Bearing and Seal: Journal Bearing / Composite seal
No. of Rows: 4-4-4
Inner Row: Conical / 65 pcs
Gauge Row: Ovoid /42 pcs
Trimming Row: Wedge /3 pcs
Bevel Row: Flat / 42 pcs
Pin Connection: 3 1/2 REG
Bit Weight (KG): 18.0
Weight on Bit (KN/mm): 0.60 ~ 1.10
ROP (rpm): 40 ~ 90

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– High-strength and wear-resistant carbide teeth are used, and the number of tooth rows, number of teeth, height of exposed teeth and tooth shape are optimized to improve the efficiency and life of the cutting structure of the drill bit.
– Adopting the Journal bearing structure, it has the ability to withstand medium WOB and adapt to higher ROP.
– Adopting a new type of flat sealed bearing structure, which increases the stability of the sealed structure and greatly prolongs the working life of the bearing.
– The oil storage system can balance the pressure difference inside and outside the bearing, and provide good lubrication guarantee for the bearing system. Y feature, the main cutting teeth of the cone are conical teeth, which have strong fracture resistance and formation penetration ability, and are suitable for drilling in hard and brittle formations and gravel interlayers.
– T feature, there is a trimming row between the gauge row and bevel row to protect the cones and trim the well wall.