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Trenchless integral drill pipe
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Trenchless integral drill pipe

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Number of views:
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Detail
[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[产品参数, 参数]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

Material selection-special pipe for petroleum drill pipe that meets API standards, reliable performance

 

Unique twice thickening technology of drill pipe joint, smooth transition zone, reducing mud passing resistance

 

The first domestic integrated drill pipe, intermediate frequency heat treatment technology, the mechanical performance is higher than similar products

 

Joint thread buckle liquid nitriding treatment, penetration layer is deeper than traditional phosphating process, surface hardness is higher, thereby improving the service life of drill pipe

Trenchless drill pipe specification series performance parameters

Drill pipe parameters

Connector

Mechanical behavior

specification

Steel grade

Nominal weight

Wall thickness

Thickened form

OD

ID

Tensile yield load

Torsional yield torque

Bending yield radius

lb/ft

mm

in

mm

in

mm

lb

KN

ft/lb

N.M

ft

m

2

G

5.6

6.5

IEU

2 1/8

54

5/8

16

871

642

4375

5932

125

38

S

2 1/8

54

5/8

16

1120

826

5625

7626

154

32

2 3/8

G

6.65

7.11

2 3/4

69.8

1

25

1171

864

8751

11865

138

42

S

2 3/4

69.8

1

25

1506

1110

11251

15255

118

36

2 7/8

G

15.5

9.19

3 1/4

82.6

1 1/8

30

1775

1309

16176

21932

220

67

S

3 3/8

85.7

1 1/8

30

2282

1683

20798

28198

197

60

3 1/2

G

15.7

11.4

4 1/8

104.8

1 1/2

38

2644

1950

29250

40024

262

80

S

4 1/8

104.8

1 1/2

38

3339

2507

37954

51459

236

72

 
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Contact

800 Zhongshan West Road, Shijiazhuang, Hebei Province

+86 13833170657 

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Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd is subordinated to Hebei Geology and Mineral Industries Department. As the designated production enterprise, Hebei Shitan Machinery Manufacturing Co., Ltd specialized in manufacturing drilling equipment and auxiliary tools. It is a member of China Mining Association,
See more information
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd is subordinated to Hebei Geology and Mineral Industries Department. As the designated production enterprise, Hebei Shitan Machinery Manufacturing Co., Ltd specialized in manufacturing drilling equipment and auxiliary tools. It is a member of China Mining Association,

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