Square Kelly PIPE

Square Kelly PIPE

Square Kelly Pipe 1、Position of the drill string:On top end of drill string, upper end connects with swivel, and lower end connects with drill pipe and in drilling by rotary table. 2、The shape of drive section is square. Upper end is box thread , left hand,No bore back, key slot and circular...

Send InquiryChat Now
Product Details

Square Kelly Pipe

1、Position of the drill string:On top end of drill string, upper end connects with swivel, and lower end connects with drill pipe and in drilling by rotary table.

2、The shape of drive section is square. Upper end is box thread , left hand,No bore back, key slot and circular slot marking.

3、Function and use:

①Transmitting the torque. It transmits the torsional energy from the rotary table to the drill pipe, drives the drill bit, and brings power for whole drill string.

②Suspending weight of the drill string, the overall length is longer than 12m,to ensure the bottom sub of kelly can go through rotary table after connecting with single joint.

4、Other:to reduce the wear and tear of bottom thread of kelly ( the position often taken apart), usually connect a saver sub at this position.

5、Kelly specification:the two opposite width of the square section (Across flats).

6、Product standard:API 7-1、API7-2、NS-1

SQUARE KELLY PIPE.jpg

Why choose our square kelly pipe?

1、Manufacturing materials are the 4145H forged bars,which save lots of manufacturing time and reduce the manufacturing cost.

2、Currently, we can manufacture non API standard length of 12m or longer, such as 14m or 16m.

3、Processing equipment: CNC Longmen milling, Haitian Longmen milling, etc,short delivery, product accuracy and quality have more reliable assurance


SizeTop Connection (LH)Bottom ConnectionInternal DiameterDriveSection
Product  Code
StandardOptionalSquare    O.D.SquareA


InInInInIn

In1D11D1D22d
Z03-1300002  1/26  5/8 REG LH7  3/44  1/2 REG LH5  3/4NC2685.71  1/43  1/4
Z03-13010036  5/8 REG LH7  3/44  1/2 REG LH5  3/4NC314  1/81  3/43  3/8
Z03-1302003  1/26  5/8 REG LH7  3/44  1/2 REG LH5  3/4NC384  3/42  1/44  7/16
Z03-1303004 1/46  5/8 REG LH7  3/44  1/2 REG LH5  3/4NC466  1/42  13/165  1/2
z03-1304006  5/8 REG LH7  3/44  1/2 REG LH5  3/4NC506  3/82  13/165  1/2
Z03-1305005 1/46  5/8 REG LH7  3/44  1/2 REG LH5  3/45  1/2 FH73  1/46  3/4
z03-1306006  5/8 REG LH7  3/44  1/2 REG LH5  3/4NC5673  1/46  3/4

1、Provide square kelly specification:the dimension of the two opposite of drive section(specification);

2、Provide overall length (If non standard);

3、Provide bore diameter of products(if non-standard);

4、Provide O.D, length, and thread of product joint(If non standard);

5、Whether have thread, and have the shackle requirements of stress relief groove cold rolled stress or thread.

Hot Tags: square kelly PIPE, China, suppliers, manufacturers, service, for sale
Related Products
Inquiry

Copyright © Shaanxi Rongle Petroleum Machinery Co.,Ltd All Rights Reserved.