Drilling Tools

 Dimension of Drill Pipe

Outer Diameter

Nominal Weight

Calculated Weight

Grade

Wall Thickness

Upset Type

Tool Joint Designation

in

mm

lb/ft

kg/m

in

mm

2-3/8

60.3

6.65

6.26

9.32

E.X.G.S

0.280

7.11

EU

NC26

2-7/8"

70.3

10.4

9.72

14.48

E.X.G.S

0.362

9.19

EU

NC31

3-1/2"

88.9

13.3

12.31

18.34

E.X.G.S

0.368

9.35

EU

NC38

4"

101.6

14

12.93

19.26

E.X.G.S

0.330

8.38

IU,EU

NC40

4-1/2"

114.3

16.6

14.98

22.31

E.X.G.S

0.337

8.56

EU,IEU

NC46,NC50

4-1/2"

114.3

20

18.69

27.84

E.X.G.S

0.430

10.92

EU

NC50

5"

127.0

19.5

17.93

26.71

E.X.G.S

0.362

9.19

IEU

NC50

5"

127.0

25.6

24.03

35.79

E.X.G.S

0.500

12.70

IEU

NC50

5-1/2"

139.7

21.9

19.81

29.51

E.X.G.S

0.361

9.17

IEU

5-1/2"FH IF

5-1/2"

139.7

24.7

22.54

22.57

E.X.G.S

0.415

10.54

IEU

5-1/2"FH IF

6-5/8"

168.3

25.2

22.19

33.05

E.X.G.S

0.330

8.38

IEU

6-5/8"FH

6-5/8"

168.3

27.7

24.21

36.06

E.X.G.S

0.362

9.19

IEU

6-5/8"FH

 

Dimension of Drill  Collar

 

 Dimension of HWDP

OD
(in ch)

API STANDARDCONNECTION

 

ODinch

"API STANDARD

 

3 1/8

NC23-31

 

CONNECTION"

"NON API STANDARD

 

3 1/2

NC26-35

 

CONNECTION"

 

 

4 1/8

NC31-41

 

3 1/2

NC38

HLDS38

4 3/4

NC35-47

 

4

NC40

HLDS40

5

NC34-50

 

4 1/2

NC46

HLDS46

6

NC44-60

 

5

NC50

HLDS50

6 1/4

NC44-62

 

 

 

 

6 1/4

NC46-62

 

 

 

 

6 1/2

NC46-65

 

 

 

 

6 3/4

NC46-67

 

 

 

 

7

NC50-72

 

 

 

 

7 1/4

NC56-77

 

 

 

 

7 3/4"

NC56-80

 

 

 

 

8"

6 5/8 REG

 

 

 

 

8 1/4"

NC61-90

 

 

 

 

9"

7 5/8 REG

 

 

 

 

9 3/4"

NC70-97

 

 

 

 

10"

NC70-100

 

 

 

 

11"

8 5/8 REG

 

 

 

 

Contact Us