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Address:About 30 minutes to Chengdu International Airport
PDC drill bit center series
12-1/4" WMB1606
IADC:Non
ID:WMB616B(311.15mm)
Design Specifications
Bit Type 12-1/4" WMB1606
Reaming Size 12-1/4"
Pass Thru Size 10-1/2"
Pilot Bit Size 8-1/2"
Primary Cutter Size Φ16 mm
Nozzle Qty.&Type 3NZ
Connection 6-5/8” API REG
Make up Torque 51.7~56.9 KN·m
Operating Parameters
Rotary Speed 60~260 rpm
Weight on Bit 30~160 KN
Max. WOB 180 KN
Flow Rate 35~70 lps
Features The design of medium parabolic crown, heavy cutters density and diamond gauge, make the bi-center PDC bit has good abrasive resistance and long service life.
Application Designed for easy shrinking interval and expansive formations. Medium to medium hard formations with abrasive.

12-1-4in_PDC drill bit center series_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-softwareSimulation analysis of flow field well bottomComputer simulation processingReverse 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 technologyAnalog processing and testingOptimization of the angle of the cutting teethThree-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 vectorNozzle velocity vector distributionNozzle Flow ChartWolfni 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 center series

2-2.pngReturn Leading Products


Design character:

■The design of medium parabolic crown, heavy cutters density and diamond gauge, make the bi-center PDC bit has good abrasive resistance and long service life.

Designed for easy shrinking interval and expansive formations. Medium to medium hard formations with abrasive.


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