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28 HDD hole opener

28 HDD hole opener

IADC537

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Products Speification

 

Cone Size

28"

Cone Type

133mm roller cone for building 8 1/2" tricone  bit

Roller Cone Quantity

8

Overall Length(mm)

1800

Thread Connection

6 5/8 Reg  pin & box

 

Operating Parameters

 

Application

Soft to medium  formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds,etc.