Product details

Nomenclature of RUISHI Matrix Body PDC Bit Model

S/M 19 5 5 X
Matrix Body  PDC Bit Cutter Size
19:
diameter 19mm
16:
diameter 16mm
13:
diameter 13mm
Blade Count 
3、4、5、6... 
Formation
from soft to hard
1-7

Design Characters
J/A J Series
X Sprial Gauge
C Sidetracking Bit
Q Core Bit
B Bi-center Bit
F Row Cutters
G Advanced Cutters

 

BITS SPECIFICATIONS

Size 8 1/2"
Number of blade 6
Primary Cutter Size(mm) 16
Nozzle Qty 6
Gauge Length 2"-3.5"
Connection 4-1/2"API REG

 

RECOMMENDED PARAMETERS

Rotary Speed(rpm) 60-250
Weight On Bit(KN) 30-180
Flow Rate(lps) 25-36

 

Trait:double rows、axe teeth、6 blades、6 water holes

 

Suitable for medium hard formations with high compressive strength and abrasiveness

   Limestone、anhydrite、dolomite、sandstone…

 

Design of six blades with axe tooth

   Optimize the tooth distribution structure、increase the rock-breaking capacity and attack ability of the bit

 

Design of short parabola at crown

   Balance the force on the bit surface to reduce wear
   Improve the drilling ability and service life of bit in directional well

 

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