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Square Kelly

FOB Price

Get Latest Price

( Negotiable )

1 Piece Minimum Order

Country:

China

Model No:

FOB Price:

( Negotiable )(Negotiable) Get Latest Price

Place of Origin:

Price for Minimum Order:

Minimum Order Quantity:

1 Piece

Packaging Detail:

Delivery Time:

Supplying Ability:

Payment Type:

PayPal, Western Union, L/C, T/T

Product Group :

Square Kellies

Contact Now

TianHe Oil Group

China

Free Member

Contact Person Mr. Henry

No. 2999, XinYang Road, Shanghai, Shanghai

Contact Now

Product Specification

Standard: NS-1
Thickness: inch
Section Shape: Round
Secondary Or Not: Non-secondary
Application: Drill Pipe
Certification: NS-1
Special Pipe: NS-1

Product Description

Kelly is main driver of the whole drill string. It transmits torsional energy from the rotary table through the drill string to the bit at the bottom of the hole. TIAnHEKelly is a long square or hexagonal, precision machined heavy steel bar that issupported by the swivel through the rotary table and is connected to the first joint of drill pipe in the drill string.

Straightness of the kelly is very crucial in the manufacturing process, thusstraightness inspections are carried out before, during and after each machining operation. The flats are precision-milled to API specifications. All milling processes are performed on specially designed rigid Kelly mills to ensure tight tolerances and high quality drive sections. Each TIAnHEKelly is furnished with a pressed steel thread protectors.

Features and Benefits

● Manufactured from AISI ***5H-modified, fully heat-treated alloy steel with a Brinell hardness range of ******1BHn and a minimum average Charpy impactvalue of *0 ft-lbs;

● Ends and drive sections, IDs and connections machined and inspected to API

specifications;

● Ultrasonic inspection is performed on all sections;

● Shipped in a protective steel-cased scabbard;

When ordering please specify:

● Kelly type (square or hexagonal);

● nominalsize and overall length;

● Upper and lower connections.

Country:	China
Model No:	-
FOB Price:	( Negotiable ) (Negotiable) Get Latest Price
Place of Origin:	-
Price for Minimum Order:	-
Minimum Order Quantity:	1 Piece
Packaging Detail:	-
Delivery Time:	-
Supplying Ability:	-
Payment Type:	PayPal, Western Union, L/C, T/T
Product Group :	Square Kellies