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Bit Size 16"(406.4mm)
Bit Connection 7 5/8”
IADC Code M423
Blade Count 6pcs
Primary Cutter 19mm
Nozzles 7pcs
Junk Slot Area (in2) 52.18
Bit Rotary Speed (rpm) 60~260
Weight-On-Bit (WOB/KN) 30~180
Flow Rate (lps) 45~80
Application
 
Medium Hard formation of high resist compression strength, and have hard interlayer. Such as argillite, sandstone, limestone and so on.
 
Features

• Balanced force design of spiral blades endows the bits with good orientation, little radial vibration as well as ability to increase cutter placement.
• The reasonable layout of patented PDC cutters in various structures at different locations endows the bits with strong aggressiveness and anti-abrasiveness.
• Strong aggressiveness allows the bits high ROP.
• The simulation technology of dynamic flow field are used in hydraulic design to optimize down-hole flow field, beneficial to improve clearance speed and anti-balling simultaneously.
• Increased cleaning, cooling, and cuttings evacuation with available hydraulic flows; high flow rates with minimal increase in pump pressure, and reduced risk a bit balling.