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Seamless Casing

    Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or wellbore, inserted into a well bore and cemented in place to protect both subsurface formations and the wellbore from collapsing and to allow drilling fluid to circulate and extraction to take place.Type of casing used:Surface casing& Intermediate casing& Production casing (oil string)


   Size of casing varifies from 4-1/2 to 20,part of our specifications as below:


Size

Linear Mass

Outside diameter

Wall thichness

 Type of end-finish

 Steel Grade

 lb/ft

ln.

mm

ln.

mm

H-40

J-55

M-65

L-80

N-80 1series
N-80 Qseries

C-90

P-110

Q-125

K-55

C-95

T-95

4 1/2”

9.5

4.5

114.3

0.205

5.21

PS

PS

PS

--

--

--

--

--

10.5

4.5

114.3

0.224

5.69

PSB

PSB

--

--

--

--

--

11.6

4.5

114.3

0.25

6.35

--

PSLB

PLB

PLB

PLB

PLB

PLB

--

13.5

4.5

114.3

0.29

7.37

--

--

PLB

PLB

PLB

PLB

PLB

--

15.1

4.5

114.3

0.337

8.56

--

--

--

--

--

--

PLB

PLB

5”

11.5

5

127

0.22

5.59

--

PS

PS

--

--

--

--

--

13

5

127

0.253

6.43

--

PSLB

PSLB

--

--

--

--

--

15

5

127

0.296

7.52

--

PSLB

PLB

PLB

PLB

PLB

PLB

--

18

5

127

0.362

9.19

--

--

PLB

PLB

PLB

PLB

PLB

PLB

21.4

5

127

0.437

11.1

--

--

PLB

PLB

PLB

PLB

PLB

PLB

23.2

5

127

0.478

12.14

--

--

--

PLB

PLB

PLB

PLB

PLB

24.1

5

127

0.5

12.7

--

--

--

PLB

PLB

PLB

PLB

PLB

5 1/2”

14

5.5

139.7

0.244

6.2

PS

PS

PS

--

--

--

--

--

15.5

5.5

139.7

0.275

6.98

--

PSLB

PSLB

--

--

--

--

--

17

5.5

139.7

0.304

7.72

--

PSLB

PLB

PLB

PLB

PLB

PLB

--

20

5.5

139.7

0.361

9.17

--

--

PLB

PLB

PLB

PLB

PLB

--

23

5.5

139.7

0.415

10.54

--

--

PLB

PLB

PLB

PLB

PLB

PLB

6 5/8”

20

6.625

168.28

0.288

7.32

PS

PSLB

PSLB

--

--

--

--

--

24

6.625

168.28

0.352

8.94

--

PSLB

PLB

PLB

PLB

PLB

PLB

--

28

6.625

168.28

0.417

10.59

--

--

PLB

PLB

PLB

PLB

PLB

--

32

6.625

168.28

0.475

12.06

--

--

--

PLB

PLB

PLB

PLB

PLB



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