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Tianhe Oil Group Co., LTD
 
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Tianhe Oil Group Co., LTD
[China]
Address:
No. 43, West Diming Street Mudanjiang Heilongjiang 157011 China
Phone:
86-0453-5979983
Contact name:
Anna Pang , Sales Manager
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Tianhe Oil Group Co., LTD
 
Products

Slick Drill Collar & Spiral Drill Collar
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Slick Drill Collar & Spiral Drill Collar
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Slick Drill Collar & Spiral Drill Collar

The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is simliar with drill pipe. It is made from premium alloyed steel. Its both tool joints and middle upset are welded hardbands. Technical parameters meet with API Spec7-1 Standard.

Thechnical specifications and parameters

Size

O.D.

I.D.

Tool Joint O.D.

Tool Joint I.D.

Thread type

Max.elevator diameter

Central upset dia.

Min drift dia.size

3 1/2

3 1/2

2 1/4

4 3/4
(4 7/8, 5)

2 1/4

NC38

3 7/8

4

2

2 1/16

2 1/16

2 13/16

4

4

2 1/2

5 1/4

2 1/2

NC40

4 3/16

4 1/2

2 1/4

2 9/16

2 9/16

2 5/16

4 1/2

4 1/2

2 11/16

6 1/4

2 11/16

NC46

4 11/16

5

2 17/16

2 3/4

2 3/4

2 1/2

2 13/16

2 13/16

2 9/16

5

5

3

6 5/8

3

NC 50

5 1/8

5 1/2

2 3/4

5 1/2

5 1/2

3 1/4

7
(7 1/4, 7 1/2)

3 1/4

5 1/2FH

5 11/16

6

3

3 3/8

3 3/8

3 1/8

3 7/8

3 7/8

3 5/8

4

4

3 3/4

6 5/8

6 5/8

4

8
(8 1/4, 8 1/2)

4

6 5/8FH

6 15/16

7 1/8

3 3/4

4 1/2

4 1/2

4 1/4

5

5

4 3/4

Standard:

ALL SIZES, 5", 31 /2", 41/2"

Productivity:

20000

Trademark:

TIANHE

 

Related Keywords: drilling rig , oilfield equipment


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