Size

6(**2.4mm)

IADC

**7G

Bearing Type

Elastomer sealed journal bearing

Thread Connection

3 1/2 reg pin

WOB(KN/mm)

0.*5~1.0

RPM(r/min)

**0~*0

Applicable Formations

Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc.

Circulation system

Mud pump

*0mm,*5mm,*6mm,*3mm,*5mm,*8mm(3 7/8),**1.6mm,**4mm,**8mm,**0mm,**7mm(5)

**0.1mm(5 1/8),**3.3mm(5 1/4),**9.7mm(5 1/2),**2.8mm(5 5/8),**9.2mm(5 7/8)

**2.4mm(6),**5.5mm(6 1/8),**8.7mm(6 1/4),**1.9mm(6 3/8),**5.1mm(6 1/2)

**0.5mm(7 1/2),**3.6mm(7 5/8),**0.0mm(7 7/8)

**2.7mm(8 3/8),**5.9mm(8 1/2),**2.2mm8 3/4)                                                                                                         

**1.3(9 1/2),**4.4(9 5/8),**0.8(9 7/8)

**9.8(*0 5/8),**5.3(*1 5/8)

**1.1(*2 1/4),**6.0 (*3 5/8),**9.2(*3 3/4)

**4.6(*4 3/4)

**1(*5),**3.7(*5 1/2),**6.4(*6)

**4.5(*7 1/2),**8(*0),**8(*2),**9.6(*4)

**0.4(*6)

Steel tooth

(IADC)

**1, **1,**1

**7,**4,**6,**7,**6,**7                                                                                                                                 

**1,**1

**6,**7, **7

TCI

(IADC)

**5,**5, **7,**7

**5,**5,**5,**5, **7,**7,**7,**7

**5,**5,**5,,**7,**7,**7,**7

**2,**2,**2,**2,**2,**2,**2