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12-1/4" Diamond PDC Drill Bits S423 HPS6319 PDC Drill Bits
Bit Size 12 1/4"(311.15mm)
Bit Connection 6 5/8"
IADC Code: S323
Blade Count 6pcs
Primary Cutter 19mm
Nozzles 9pcs
Junk Slot Area (in2) 36.54
Bit Rotary Speed (rpm) 60~260
Weight-On-Bit (KN) 30~140
Flow Rate (lps) 35~68
Application
Medium Hard formation of high resist compression strength, and have hard interlayer. Such as argillite, sandstone, limestone and so on.
Feature
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
