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Drill Collar Drill Collar

800.0~1000.0 USD
Min. Order: 100 Piece/Pieces
Payment Terms: L/C, T/T
Supply Ability: 1000
Place of Origin: Shanghai

Company Profile

Location: Shanghai, China (Mainland)
Business Type: Manufacturer, Trading Company
Main Products: Drill Pipe, Drill Collar, Kelly, Drill Jar

Product Detail

Model No.: Z01/Z02
Means of Transport: Ocean, Air, Land
Drill Collar: Drill Collar
Production Capacity: 1000
Packing: Metal Frame
Delivery Date: 25 Days
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Product Description

Drill Collar is the basic component in the BHA which provides weight on the bit for drilling and keeps the drillsting in tension.

 

TIANHE Drill Collar has been approved by the NS-1 certification, it is manufactured from 4145H modified quenched and tempered steel, strict metallurgical specifications are followed to insure that full length heat treating produces a consistent maximum depth of hardness.

 

Features and Benefits

A hardness range of 285 to 341 BHN and a Charpy impact value of 40 ft-lbs are guaranteed at evenly distributed 16 points in any sections at room temperature;

Connections are completed(phosphate coated)to protect them from the elements after machining and to help prevent galling upon initial make-up;

Thread roots are cold rolled on API and H-90 connections;

Pressed steel thread protectors are supplied for all drill collar that are equipped with standard connections

 

When ordering Please specify;

Drill collar OD and ID;

Overall length;

Connections required (size and type);

Special features desired, for example:

   Slick or Spiral;

   Stress Relief Features;

   Slip and/or Elevator Recess;

   Hardbanding;


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