CHD RODS

The drill pipe connection thread of CHD rods produced by our company has double cone seal structure, and Mecca inserts with high performance engineering plastics , thus ensuring the reliability of signal transmission . The rods with Mecca Inserts in has high strength, superior torsional performance, and is superior to handle collapse, sticking drilling and other accident ability. It can complete the complicated drilling holes.

 

 

 

 

 

 

 

 

 

CHD Directional Rods Technical Specifications:

 

Item

Description

Model:

-CHD Series

Length:

-3m

External Diameter:

-69.9 mm

Internal Diameter:

- 60.3 mm

Weight :

- 27.3kg Normal

Torsional capacity:

- not less than 10000 N.m

Push capacity:

- not less than 700 KN

Thread

Thread wall thickness :

-7.5mm

Extreme pressure- Central section:

-80MPa

Maximum tension:

-283,000Kg

Maximum rated torque of drill pipe joint:

-2,430Nm

Material Central section : - Friction Welded Pin/Box, Cold drawn seamless special alloy steel Thread(Each end 240mm)Petroleum drill pipe alloy steel (API standard),high frequency wear heat treatment.