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70mm 73mm MCHD Specifications CHD Drill Rods

Deep Hole CHD Wireline Core Rod
CHD Drill Rod was designed for deep hole wire line applications, with its strong tool joints, and flexible mid body, it excels in directional drilling applications.
CHD Drill Rod with a communication channel is designed for horizontal directional drilling using a telemetry system.

Quantity:
  • CHD70mm & 73mm MCHD
  • ROSCHEN
  • ROS-70mm & 73mm MCHD

Product Description

CHD Drill Rods 70mm & 73mm MCHD Specifications

 

Deep Hole CHD Wireline Core Rod

CHD Drill Rod was designed for deep hole wire line applications, with its strong tool joints, and flexible mid body, it excels in directional drilling applications.

CHD Drill Rod with a communication channel is designed for horizontal directional drilling using a telemetry system.


CHD Drill rods technical parameters

Deep Hole CHD Wireline Core Rod

 

CHD wireline drill rod was originally developed to address a requirement for a dependable drill string for deep hole gold exploration in the South African mining industry. As its reputation grew as a reliable deep hole coring drill rod it was used extensively in the slim hole oil and gas industry with applications worldwide by companies such as Standard Oil, Texaco, and Total S.A.  The North American geothermal industry also found the CHD drill string an excellent match for their deep coring applications.

 

From a design standpoint the HD drill rod is an internally upset product with a robust tool joint fused to a lighter wall mid-body using plasma arc welding technology.

 

ROSCHEN CHD Drill Rods feature a double buttress thread which is unique in that it can deliver both exceptional strength for depth and the durability perform on larger drill rigs used in deep hole coring operations. CHD strings are commonly known as CHD 76 / CHD 101 / CHD 134 for their respective hole diameters. The CHD drill rod is available in diameters 69.9 mm – 94mm – 127 mm in lengths up to 6 meters.

 CHD drill pipe structure

 


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