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Casing

Application: Used as the Structural Retainer for the Walls of Oil, Gas Wells

Specification: Outer diameter: 4 1/2’’ ~ 20’’ (114.3mm ~ 508mm)

                         Wall thickness: 0.205’’ ~ 0.635’’ (5.21mm ~ 16.13mm)

                         LENGTH: R1, R2, R3

Standard: API 5CT J 55/K55/N80/C75/L80/C90/T95/Q125

Process Type: Seamless (SMLS), Electric Resistance Welded (ERW)

End:Beveled, Square Cut, With LTC/STC/BTC/VAM Connection

Surface: Anti-corrosion Water Based Paint

Packing: Protection Caps in Both Ends, Waterproof Paper Wrapped, Two Tags

Contact us :

Email:sales@sunrisesteelgroup.com

Whatsapp:+0086-13875806221

Phone:+0086-13875806221

Skype:wycsky1

DescriptionProcessEquipmentDimension Inquiry

Standard:API 5CT
Application:Used in the oil well extracting the petroleum or the natural gas


Chemical Composition


Mechanical Properties



Seamless Casing Specifications

Outside Diameter
Nominal Weight
Wall Thickness
Grade and Connection Type*
in.
mm
lb/ft
kg/m
in.
mm
J55
K55
M65
L80
C95
N80
C90
T95
P110
4-1/2
114.30
9.50
14.14
0.205
5.21
PS
PS
-
-
-
-
10.50
15.63
0.224
5.69
PSB
PSB
-
-
-
-
11.60
17.26
0.250
6.35
PSLB
PLB
PLB
PLB
PLB
PLB
13.50
20.09
0.290
7.37
-
PLB
PLB
PLB
PLB
PLB
15.10
22.47
0.337
8.56
-
-
-
-
-
PLB
5
127.00
11.50
17.11
0.220
5.59
PS
PS
-
-
-
-
13
19.35
0.253
6.43
PSL
PSLB
-
-
-
-
15.00
22.32
0.296
7.52
PSLB
PLB
PSLB
PSLB
PSLB
PSLB
18.00
26.79
0.362
9.19
-
PLB
PSLB
PSLB
PSLB
PSLB
21.40
31.85
0.437
11.10
-
PLB
PLB
PLB
PLB
PLB
23.20
34.53
0.478
12.14
-
-
PLB
PLB
PLB
PLB
24.10
35.86
0.500
12.70
-
-
PLB
PLB
PLB
PLB
5-1/2
139.70
14.00
20.83
0.244
6.20
PS
PS
-
-
-
-
15.50
23.07
0.275
6.98
PSLB
PSLB
-
-
-
-
17.00
25.30
0.304
7.72
PSLB
PLB
PSLB
PSLB
PLB
PSLB
20.00
29.76
0.361
9.17
-
PLB
PSLB
PSLB
PLB
PSLB
23.00
34.23
0.415
10.54
-
PLB
PSLB
PSLB
PLB
PSLB
6-5/8
168.28
20.00
29.76
0.288
7.32
PSLB
PSLB
-
-
-
-
24.00
35.72
0.352
8.94
PSLB
PLB
PSLB
PSLB
PSLB
PSLB
28.00
41.67
0.417
10.59
-
PLB
PSLB
PSLB
PSLB
PSLB
32.00
47.62
0.475
12.06
-
-
PSLB
PSLB
PSLB
PSLB
7
177.80
20.00
29.76
0.272
6.91
PS
PS
-
-
-
-
23.00
34.23
0.317
8.05
PSLB
PLB
PSLB
PSLB
PLB
-
26.00
38.69
0.362
9.19
PSLB
PLB
PSLB
PSLB
PLB
PSLB
29.00
43.16
0.408
10.36
-
PLB
PSLB
PSLB
PLB
PSLB
32.00
47.62
0.453
11.51
-
PLB
PSLB
PSLB
PLB
PSLB
35.00
52.13
0.498
12.65
-
-
PSLB
PSLB
PLB
PSLB
38.00
56.60
0.540
13.72
-
-
PSLB
PSLB
PLB
PSLB
7-5/8
193.68
26.40
39.29
0.328
8.33
PSLB
PSLB
PLB
PLB
PLB
-
29.70
44.20
0.375
9.52
-
PLB
PLB
PLB
PLB
PLB
33.70
50.15
0.430
10.92
-
PLB
PLB
PLB
PLB
PLB
39.00
58.05
0.500
12.70
-
-
PLB
PLB
PLB
PLB
42.80
63.69
0.562
14.27
-
-
PLB
PLB
PLB
PLB
45.30
67.41
0.595
15.11
-
-
PLB
PLB
PLB
PLB
47.10
70.09
0.625
15.88
-
-
PLB
PLB
PLB
PLB
8-5/8
219.08
24.00
36.75
0.264
6.71
PS
PS
-
-
-
-
28.00
41.67
0.304
7.72
-
PS
-
-
-
-
32.00
47.66
0.352
8.94
PSLB
PSLB
-
-
-
-
36.00
53.62
0.400
10.16
PSLB
PSLB
PLB
PLB
PLB
-
40.00
59.58
0.450
11.43
-
PLB
PLB
PLB
PLB
PLB
44.00
65.54
0.500
12.70
-
-
PLB
PLB
PLB
PLB
49.00
72.99
0.557
14.15
-
-
PLB
PLB
PLB
PLB
9-5/8
244.48
36.00
53.57
0.352
8.94
PSLB
PSLB
-
-
-
-
40.00
59.53
0.395
10.03
PSLB
PSLB
PLB
PLB
PLB
-
43.50
64.73
0.435
11.05
-
PLB
PLB
PLB
PLB
PLB
47.00
69.94
0.472
11.99
-
PLB
PLB
PLB
PLB
PLB
53.50
79.62
0.545
13.84
-
-
PLB
PLB
PLB
PLB
58.40
86.91
0.595
15.11
-
-
PLB
PLB
PLB
PLB
10-3/4
273.05
40.50
60.32
0.350
8.89
PSB
PSB
PLB
PLB
PLB
PLB
45.50
67.78
0.400
10.16
PSB
PSB
-
-
-
-
51.00
75.96
0.450
11.43
PSB
PSB
PSB
PSB
PSB
PSB
55.50
72.67
0.495
12.57
-
PSB
PSB
PSB
PSB
PSB
60.70
90.41
0.545
13.84
-
-
-
-
PSB
PSB
65.70
97.86
0.595
15.11
-
-
-
-
PSB
PSB
13-3/8
339.70
54.50
81.18
0.380
9.65
PSB
PSB
-
-
PSB
PSB
61.00
90.86
0.430
10.92
PSB
PSB
-
-
-
-
68.00
101.29
0.480
12.19
PSB
PSB
PSB
PSB
PSB
PSB
72.00
107.24
0.514
13.06
-
-
-
-
PSB
PSB
20
508.00
94.00
139.89
0.438
11.13
SLB
SLB
-
-
-
-
106.50
158.49
0.500
12.70
SLB
SLB
-
-
-
-
133.00
197.93
0.635
16.13
SLB
-
-
-
-
-


Specifications of ERW Casing

Outside Diameter
Nominal Weight
Wall Thickness
Grade
Connection Type*
in.
mm
lb/ft
kg/m
in.
mm
5-1/2
139.70
14.00
20.83
0.244
6.20
J55/K55
PS
15.50
23.07
0.275
6.98
J55/K55
PSLB
17.00
25.30
0.304
7.72
J55/K55
PSLB
6-5/8
168.28
24.00
35.72
0.352
8.94
J55/K55
PSLB
7
177.80
20.00
29.76
0.272
6.91
J55/K55
PS
23.00
34.23
0.317
8.05
J55/K55
PSLB
26.00
38.69
0.362
9.19
J55/K55
PSLB
8-5/8
219.08
24.00
35.75
0.264
6.71
J55/K55
PS
28.00
41.67
0.304
7.72
J55/K55
PS
32.00
47.66
0.352
8.94
J55/K55
PSLB
36.00
53.62
0.400
10.16
J55/K55
PSLB
9-5/8
244.48
36.00
53.57
0.352
8.94
J55/K55
PSLB
40.00
59.53
0.395
10.03
J55/K55
PSLB
10-3/4
273.05
40.50
60.32
0.350
8.89
J55/K55
PSB
45.50
67.78
0.400
10.16
J55/K55
PSB
13-3/8
339.70
48.00
71.43
0.330
8.38
J55/K55
PSB
54.50
81.18
0.380
9.65
J55/K55
PSB
61.00
90.86
0.430
10.92
J55/K55
PSB
68.00
101.29
0.480
12.19
J55/K55
PSB

* P - plain end, S - short round thread, B - butress, L - long round thread.







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