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Pup joint of casing  


 The casing pup joint, it used to regulate casing surface location and connect cement head.
Its specification range from OD114.3~~339.7mm,WT5.21~~22.22mm(4-1/2~~13-3/8), about the thread types. They are short round thread(STC), long round thread(LC), buttress thread(BC).

 

Main Technical Parameters:ISO/API Casing pup joint list
(Size, wall thickness, grade and applicable end-finish )

 

labels'

Outside
 diameter

Wall
thickness

Type of end-finish

Length

D
mm

t
mm

J55
K55

L80

N80
1Q

P110

m

1

2

1

2

3

4

6

8

9

11

 

4-1/2
4-1/2

11.60
13.50

114.30
114.30

6.35
7.37

PSLB
-

PLB
PLB

PLB
PLB

PLB
PLB

123456

5
5

15.00
18.00

127.00
127.00

7.52
9.19

PSLB
-

PLB
PLB

PLB
PLB

PLB
PLB

123456

5-1/2
5-1/2
5-1/2

15.50
17.00
20.00

139.70
139.70
139.70

6.98
7.72
9.17

PSLB
PSLB
-

-
PLB
PLB

-
PLB
PLB

-
PLB
PLB

123456

6-5/8
6-5/8

24.00
28.00

168.28
168.28

8.94
10.59

PSLB
-

PLB
PLB

PLB
PLB

PLB
PLB

123456

7
7
7

23.00
26.00
29.00

177.80
177.80
177.80

8.05
9.19
10.36

PSLB
PSLB
-

PLB
PLB
PLB

PLB
PLB
PLB

-
PLB
PLB

123456

7-5/8

29.70

193.68

9.52

-

PLB

PLB

PLB

123456

7-3/4

46.10

196.85

15.11

-

P

P

P

123456

8-5/8

32.00

219.08

8.94

PSLB

-

-

-

123456

9-5/8
9-5/8
9-5/8
9-5/8

32.30
36.00
40.00
43.50

244.48
244.48
244.48
244.48

7.92
8.94
10.03
11.05

-
PSLB
PSLB
-

-
-
PLB
PLB

-
-
PLB
PLB

-
-
-
PLB

123456

10-3/4
10-3/4

45.50
51.00

273.05
273.05

10.16
11.43

PSB
PSB

-
PSB

-
PSB

-
PSB

123456

11-3/4
11-3/4

47.00
54.00

298.45
298.45

9.53
11.05

PSB
PSB

-
-

-
-

-
-

123456

13-3/8
13-3/8
13-3/8

54.50
61.00
68.00

339.72
339.72
339.72

9.65
10.92
12.19

PSB
PSB
PSB

-
-
PSB

-
-
PSB

-
-
PSB

123456

PPlain end; SShort round thread(STC); LLong round thread(LC); BButtress thread(BC)

a Labels are for information and assistance in ordering.
b Pup Joint and accessories shall be furnished with threaded ends without coupling unless otherwise specified.

Dimensional tolerancesOutside diameter(D) Tolerances is +1D~-0.5, Wall thickness(t) Tolerances is -12.5%

 

Pup joints of tubing:


The pup joints of tubing is used in the well were tubing length adjustment, its specification range is from OD48.26~114.3, WT3.68~16mm(1,9~4-1/2),about the thread types, there are external upset(EU), non-upset(NU).

 

Main Technical Parameters: ISO/API Tubing Pup Joint list

(Size, masses, wall thickness, grade and applicable end-finish)


Labels

Outside
diameter

Wall
thickness

Type of end-finish

Length

1

2

NU
T & C

EU
T & C

D
mm

t
mm

J55

L80

N80
1Q

P110

FT

1

2

3

5

8

9

10

11

12

13

1.900
1.900

2.75
3.65

2.90
3.73

48.26
48.26

3.68
5.08

PNU
PU

PNU
PU

PNU
PU

-
PU

24681012

2-3/8

4.60

4.70

60.32

4.83

PNU

PNU

PNU

PNU

24681012

2-7/8

6.40

6.50

73.02

5.51

PNU

PNU

PNU

PNU

24681012

3-1/2

9.20

9.30

88.90

6.45

PNU

PNU

PNU

PNU

24681012

4

10.70

11.00

101.60

6.65

PU

PU

PU

-

24681012

4-1/2

12.60

12.75

114.30

6.88

PNU

PNU

PNU

-

24681012

PPlain endNNon-upset threaded and coupledNUUExternal upset threaded and coupledEU

a Labels are for information and assistance in ordering.
b Pup Joint and accessories shall be furnished with threaded ends without coupling unless otherwise specified.

Diamensional tolerances
D< 4 1/2"(114.30mm)Tolerances:0.79mm
D 4 1/2"(114.30mm)Tolerances:+1D~-0.5
Wall thickness Tolerances:-12.5%

 
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