Rugao Yaou Import & Export Trade Co., Ltd.
Main products:Drill Collar,Power Tong,Valve,Manual Tong,DDZ Elevator
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Contact Us
  • Contact Person : Mr. Xue aihong
  • Company Name : Rugao Yaou Import & Export Trade Co., Ltd.
  • Tel : 86-513-87635480
  • Fax : 86-513-87632623
  • Address : Jiangsu,Rugao,Room 907 #13 Jinjiuhuafu Ninghai RD.
  • Country/Region : China
  • Zip : 226500

Kelly drill pipe,drill pipe,drilling pipe

Kelly drill pipe,drill pipe,drilling pipe
Product Detailed
Kelly drill pipe,drill pipe,drilling pipe

Kellys is driving section of wohole drill stem. Kelly is available with square kelly and hexagonal kelly. kelly are manufactured strictly from API Spec7-1 and SY/T6509-2000 standard.

Kelly drill pipe,drill pipe,drilling pipe.

Technical specification and parameters

Size

Lengthin

Upper box connection

Lower pin connection

I.D.

Driving section

mm

in

Type(LH)

O.D.

Thread

O.D.

Cross flat

For square kelly

Cross corner for hexa kelly

Std

optional

Std

optional

63.5

2 1/2

12.19

6 5/8REG

4 1/2REG

196.8

146.0

NC26

85.7

31.8

63.5

83.3

 

76.2

3

12.19

6 5/8REG

4 1/2REG

196.8

146.0

NC31

104.8

44.4

76.2

100.0

85.7

88.9

3 1/2

12.19

6 5/8REG

4 1/2REG

196.8

146.0

NC38

120.6

57.2

88.9

115.1

100.8

108.0

4 1/4

12.9

6 5/8REG

4 1/2REG

196.8

146.0

NC46

158.8

71.4

108.0

141.3

122.2

6 5/8REG

4 1/2REG

196.8

146.0

NC50

161.9

71.4

108.0

141.3

122.2

133.4

5 1/4

12.9

6 5/8REG

 

196.8

 

5 1/2FH

177.8

82.6

133.3

175.4

151.6

6 5/8REG

 

196.8

 

NC56

177.8

82.6

133.3

175.4

151.6

..

Kelly drill pipe,drill pipe,drilling pipe



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