Model: | - |
---|---|
Brand: | - |
Origin: | Made In China |
Category: | Metallurgy , Mining & Energy / Energy / Petroleum |
Label: | Kelly |
Price: |
US $1000
/ pc
|
Min. Order: | 1 pc |
Live Chat: | Last Online:08 Feb, 2014 |
Kelly
Kelly is the drive part of whole drill string, it transmit the torsional energy from the rotary table to the bit.
Features
1. Manufactured from AISI 4145H-modified, fully heat-treated alloy steel with a Brinell hardness range of 285-341 and a minimum average Charpy impact value of 40 ft-lbs;
2. Ends and drive sections, IDs and connections machined and inspected to API and NS-1 specifications;
3. Kelly bars ultrasonically inspected over full length and section;
4. Shipped in a protective steel-cased scabbard;