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Welding Drill Pipe for Oil and Gas Drilling Machine and Workover with Lh Rh Thread

Drill pipe usage notes:
1.New drill pipe should be pasted oil before connection
2.Make up and break at least 3 times before drilling
3.Hard bending and plastic coating can be processed according to clients' special requirements.
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  • 84139100

Welding Drill Pipe for Oil and Gas Drilling Machine and Workover with Lh Rh Thread

H129fd7b80c0246bd8f569c6a90c5f6b68


1. Water well drill pipe

Size: 42mm-168mm

Grade: E75,X95,G105,S135,R780

Length: R1(6.1-7.01m),R2(8.84-9.75m),R3(12.19-13.72m)

Thread type: NC26,NC31,NC38,NC40,NC46,NC50,NC56,5 1/2FH,6 5/8FH

Drill Pipe Outer Diameter

Thread Type

Steel Grade

Wall Thickness

(mm)

End-Upset type

Length

(mm)

inch

mm

3

76

2-3/8"  REG

R780, G105, S135

6, 8

IU/IEU

1000--5000

3-1/2

89

2 3/8'' IF  NC26

R780, G105, S135

6.5, 8

IU/IEU

1000--5000

4

102

2 7/8'' IF  NC31

R780, G105, S135

8, 9.19

IU/IEU

1000--5000

4-1/4

108

2 7/8'' IF  NC31

R780, G105, S135

8, 9.19

IU/IEU

1000--5000

4-1/2

114

2 7/8'' IF  NC31

R780, G105, S135

8, 10

IU/IEU

1500--6000

5

127

3 1/2'' IF  NC38

R780, G105, S135

8, 10, 12

IU/IEU

1500--6000


2. Geological Drill Pipe

External Diameter

Upset type

Steel Pipe Grade

Pipe Wall Thickness

Normal Weight

Pipe length

Thread model

Joint Diameter

inch

mm



mm

Kg/m

mm


mm

1.6

42

EU

DZ50

6.5

5.7

1000-9000

1:16

57

R780

2

50

EU,IU

DZ50

6.5

7.1

1000-9000

1:16

65

R780

68

2.375

60

EU,IU

R780

7.1

9.4

1000-9000

NC26

75

S135

78

2.875

73

EU,IU

R780

8

12.9


1000-9000

NC31

95

G105

9.19

14.5

105

S135

3.5

89

EU,IU

R780

8

16

1000-9000

NC38

121

G105

9.5

19

127

S135



3.Oil Drill Pipe

Size (in)

  Nominal Weight (1b/ft)

OD of Pipe Body

Wall Thickness of Pipe Body

  Grade

 Upset Type

 Conn. Type

OD of Pin and Box

 ID of Pin

(in)

(mm)

(in)

(mm)

(in)

(mm)

(in)

(mm)

2 3/8

6.65

2 3/8

60.32

0.280

7.11

EXGS

EU

NC26 (2 3/8 IF)

3 3/8

85.70

1 3/4

44.45

2 7/8

10.40

2 7/8

73.02

0.36

9.19

NC31 (2 7/8 IF)

4 1/8

104.80

2

50.80

3 1/2

13.30

3 1/2

88.90

0.37

9.35

NC38 (3 1/2 IF)

5

127.00

2  7/16

61.91

3 1/2

15.50

3 1/2

88.90

0.45

11.40

NC38 (3 1/2 IF)

5

127.00

2 1/8

53.98

4  

14.00

4  

101.60

0.33

8.38

NC46 (4 IF)

6

154.20

3 1/4

82.55

4 1/2

16.60

4 1/2

114.30

0.34

8.56

IEU

NC40 (4 IF)

6 1/4

158.80

3

76.20

4 1/2

20.00

4 1/2

114.30

0.43

10.92

NC46 (4 IF)

6 1/4

158.75

2 1/2

63.50

5  

19.50

5  

127.00

0.36

9.19

NC50 (4 1/2 IF)

6 5/8

168.30

3 1/4

82.55

5  

19.50

5  

127.00

0.36

9.19

5 1/2 FH

7

177.80

3 3/4

95.25

5  

25.60

5  

127.00

0.50

12.70

NC50 (4 1/2 IF)

6 5/8

168.28

2 3/4

69.85

5  

25.60

5  

127.00

0.50

12.70

5 1/2 FH

7 1/4

184.15

3 1/4

82.55

5 1/2

21.90

5 1/2

139.70

0.36

9.17

5 1/2 FH

7 1/4

184.15

3 1/2

88.90

5 1/2

24.70

5 1/2

139.70

0.42

10.54

5 1/2 FH

7 1/4

184.15

3 1/2

88.90

6 5/8

25.20

6 5/8

168.28

0.33

8.38

6 5/8 FH

8 1/4

209.55

4 3/4

120.65

6 5/8

27.70

6 5/8

168.28

0.36

9.19

6 5/8 FH

8 1/4

209.55

4 3/4

120.65



4. HDD Drill Pipe(Friction welding or Forged type)

Diameter(mm)
Length(mm)
Thread type
Craft
Connection type
50
1000-3000
API 2 3/8 REG
Friction welding
Box/pin
60
1000-3000
API 2 3/8 REG
Friction welding
Box/pin
76
1500-3000
API 2 3/8 REG
Friction welding
Box/pin
89
1500-3000
NC26(2 3/8IF)
Friction welding
Box/pin
102
1500-6000
NC31(2 7/8IF)
Friction welding
Box/pin
108
1500-6000
NC31(2 7/8IF)
Friction welding
Box/pin
114
1500-6000
NC31(2 7/8IF) OR NC35
Friction welding
Box/pin
127
1500-6000
NC38(3 1/2IF)
Friction welding
Box/pin


Remarks: We can produce drill pipe as per your request.

5.Raw Material performances

Steel Grade

Yield Strength

Tensile Strength

Min(Mpa)

Max(Mpa)

Min(Mpa)

Max(Mpa)

E-75

517

724

100

689

G105

724

931

793


S135

931

1138

1000


R780

520

666

780

876

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