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12 1/4" IADC:S223 Reverse Circulation (RC) PDC bit
IADC:S223
ID:WFNCSR311S19301A
Design Specifications
Blade Qty 3
Total Cutters 23
Primary Cutter Size 19.05mm
Assistant Cutter Size Non
Gauge Cutter Size 13.44mm or PDC block
anti-quake ball size Non
Sucking nozzle Qty. 3
Sucking nozzle area 4600mm²
Crown length 155mm
Gauge length 80mm
Connetion Size 6 5/8REG
Make-up Torque 6.90-10.23kN.m
Assembly groove wID:th 180mm
Bit Weight ≈95kg
Operating Parameters
Rotary speed 60-240RPM
Bit Weight on bit 30-120KN

reverse circulation PDC drill bit12_1_4in311.15mm_IADC_S223_wolfni


Managment System Certification

ISO9001     

3-3.pngCertificate Search            
Name:            ISO9001            
Reference:            00112Q226862R0S/5100            
Issued By:            CQC            
Validity Period:            2012-03-27 ~ 2016-02-26            
Range:            Design and manufacture of PDC drill bit            


Product Certification

API     

3-3.pngCertificate Search     

Name:            API            
Reference:            7-1-1077            
Issued By:            American Petroleum Institute            
Validity Period:            2014-03-19 ~ 2017-03-19            
Range:            PDC Bits            

Personalized design technology


Cutter placement with 3D-software            Simulation analysis of flow field well bottom            Computer simulation processing            Reverse detection technology            

1.Cutter placement with

3D-software.

2.Simulation analysis

of flow field well bottom.

3.Computer simulation

processing.

4.Reverse detection     

technology.     

Reverse detection technology            Analog processing and testing            Optimization of the angle of the cutting teeth            Three-dimensional model Stress Analysis            

5.Reverse detection     

technology.     

6.Analog processing     

and testing     

7.Optimization of the     

angle of the cutting teeth     

8.Three-dimensional     

model Stress Analysis     

Bottomhole flow field vector            Nozzle velocity vector distribution            Nozzle Flow Chart            Wolfni Engineer            

9.Bottomhole flow     

field vector     

10.Nozzle velocity     

vector distribution     

11.Nozzle Flow     

Chart     

12.Wolfni Engineer            

Bit Connection Size And Parameter

Bit Connection Size And Parameter 

Bit Size

Connection Size

Make-up Torque

O.D. of Connection

I.D. of Connection

3 3/4”~4 1/2”

2 3/8”REG

2.40-4.12kN.m

3 1/8”

1”

4 5/8”~5”

2 7/8”REG

4.10-6.20kN.m

4 1/8”

1 1/4”

5 1/8”~7 3/8”

3 1/2”REG

6.90-10.23kN.m

4 3/4”

1 1/2”

7 13/32”~9 3/8”

4 1/2”REG

16.63-23.71kN.m

6 3/4”

1 3/4”

9 13/32”~14 1/2”

6 5/8”REG

49.56-51.43kN.m

8”

3”

14 9/16”~18 1/2”

7 5/8”REG

64.52-81.35kN.m

9 3/4”

3”

Note:Orient can design and manufacture any types and sizes of PDC bits according to customer requirements.            





















1-1.pngReturn PDC steel body series

2-2.pngReturn Leading Products


Design character:pdc drill bit

■Special design of back-rake angles will decrease torque on bit, increase bit aggressiveness, improve efficiency of ROP.

Adopting CFD emulational technology to calculate to optimize PDC bit, then reduce possibility of heavy breaking and wearing of bit.

Special gauge design has more cutters placed on gauge to prolong life time of PDC bit in high abrasive formation, to avoid diameter shrinkage for gauge wearing.

Suit for well drilling in low compressive strength, even texture soft-medium rock formation. Such as wake shale, density marlstone, strong batt, wake sandstone, limestone, and soft gravel, etc.

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