Dongying Kaihao Petroleum Equipment Co. Ltd._Integral heavy- weight drill pipe
 
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Integral heavy- weight drill pipe

 

 

 

Model in

Body

Joint

Weight of joint

O.D

I.D

Size of upset

Type of thread

O.D

I.D

Diameter of beveling angle

DF

mm

mm

Middle

End

mm

mm

 

3 1/2

88.9

54.2

116

98.4

NC38

127

55.6

116.3

312

4

101.6

65.1

114

106.4

NC40

133.4

68.3

 

 

4 1/2

114.3

69.9

127

119.1

NC46

158.8

73

 

 

5

127

76.2

140

130.2

NC50

168.3

77.8

 

 

5 1/2

139.7

92.1

152

144.5

5-1/2FH

184.2

88.9

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