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Date: 2011-08-10     Hits: 1370

Spiral drill collar

         

Specifications:

 

OD

ID

Connections

inch

mm

inch

mm

4-1/8’’

104.78

2
2-1/4

50.8

57.15

NC31,NC35

NC35

4-3/4’’

120.65

2
2-1/4

50.8

57.15

NC35,

NC35,NC38(3 1/2IF)

6-1/4’’

158.75

2-1/4
2-13/16

57.15

71.44

NC44

NC46(4 IF)

6-1/2’’

165.1

2-1/4
2-13/16

57.15

71.44

NC46(4 IF)

NC46(4 IF)

7’

177.8

2-1/4
2-13/16

57.15

71.44

NC50(4 1/2IF)

NC50(4 1/2IF)

8’

203.2

2-13/16
3

71.44

76.2

6 5/8REG

6 5/8REG

9’

228.6

2-13/16
3

71.44

76.2

NG61

7 5/8REG

9-1/2’’

241.3

3

76.2

7 5/8REG

10’

254

3

76.2

NC70

11’

275.4

3

76.2

NC77

       
on:Drill pipe
next:None

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