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8 1/2″S1655FGA2 S323

Category:

Steel Body PDC Bit

8 1/2″— 8 3/4″

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Product details

Nomenclature of RUISHI Steel Body PDC Bit Model

S 19 5 5 X

Steel 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 5
Primary Cutter Size(mm) 16
Nozzle Qty 7
Gauge Length 2"-3.5"
Connection 4-1/2"API REG

 

RECOMMENDED PARAMETERS

Rotary Speed(rpm) 60-250
Weight On Bit(KN) 10-100
Flow Rate(lps) 25-36

 

Trait: additional row、5 blades、7 water holes

 

Suitable for medium hard formations with high compressive strength and abrasiveness

   Mudstone、sandstone and other formations with interlayer

 

Optimize blades width

   Reasonably extend the length of gauge、enhance the stability of the bit
   Structure of the flat parabola of the deep spiral blade
   Increase the attack ability of the bit、better used in directional well section

 

Reasonable configuration of high-quality PDC cutters、high density cutter

   Optimize the tooth distribution structure、improve the attack ability and abradability of the bit

 

Adopting PDC cutters to strengthen the gauge

   Reduce the wear of rock to gauge
   Increase wear resistance、stability and life of the gauge

 

Optimize water conservancy structure

   Design of bottom hole flow field、beneficial to cleaning and cooling、reduce the mud bags

 

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To: Hebei Ruishi Bits Manufacturing Co.,Ltd

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