OCTG casings are large diameter pipes that are cemented into a borehole. The text will show the table of normal casing pipe sizes, you can get detailed information from the casing pipe size chart.
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|
Lables
|
Outside
diameter
|
Nominal
diameter
|
Wall
thickness
|
Inside
|
Drift
|
Calculated mass C
|
|
diameter
|
diameter
|
Plain End
|
Mass gain or loss due to end finishing (lb)
|
|
|
|
Round thread
|
Buttress thread
|
|
1
|
2
|
D (in)
|
lb/ft
|
t (in)
|
d (in)
|
in
|
lb/ft
|
Short
|
Long
|
RC
|
SCC
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
|
4 1/2
|
9.5
|
4.5
|
9.5
|
0.205
|
4.09
|
3.965
|
9.41
|
4.2
|
|
|
|
|
4 1/2
|
10.5
|
4.5
|
10.5
|
0.224
|
4.052
|
3.927
|
10.24
|
3.8
|
|
5
|
2.56
|
|
4 1/2
|
11.6
|
4.5
|
11.6
|
0.25
|
4
|
3.875
|
11.36
|
3.4
|
3.8
|
4.6
|
2.16
|
|
4 1/2
|
13.5
|
4.5
|
13.5
|
0.29
|
3.92
|
3.795
|
13.05
|
|
3.2
|
4
|
1.56
|
|
4 1/2
|
15.1
|
4.5
|
15.1
|
0.337
|
3.826
|
3.701
|
15
|
|
2.8
|
3.2
|
0.76
|
|
5
|
11.5
|
5
|
11.5
|
0.22
|
4.56
|
4.435
|
11.24
|
5.4
|
|
|
|
|
5
|
13
|
5
|
13
|
0.253
|
4.494
|
4.369
|
12.84
|
4.8
|
5.8
|
6.6
|
2.42
|
|
5
|
15
|
5
|
15
|
0.296
|
4.408
|
4.283
|
14.88
|
4.2
|
5.2
|
5.8
|
1.62
|
|
5
|
18
|
5
|
18
|
0.362
|
4.276
|
4.151
|
17.95
|
|
4.2
|
4.4
|
0.22
|
|
5
|
21.4
|
5
|
21.4
|
0.437
|
4.126
|
4.001
|
21.32
|
|
2.95
|
2.46
|
-1.72
|
|
5
|
23.2
|
5
|
23.2
|
0.478
|
4.044
|
3.919
|
23.11
|
|
2.3
|
2.05
|
-2.09
|
|
5
|
24.1
|
5
|
24.1
|
0.5
|
4
|
3.875
|
24.05
|
|
1.95
|
1.24
|
-2.94
|
|
5 1/2
|
14
|
5.5
|
14
|
0.244
|
5.015
|
4.887
|
13.71
|
5.4
|
|
|
|
|
5 1/2
|
15.5
|
5.5
|
15.5
|
0.275
|
4.95
|
4.825
|
15.36
|
4.8
|
5.8
|
6.4
|
2.1
|
|
5 1/2
|
17
|
5.5
|
17
|
0.304
|
4.892
|
4.767
|
16.89
|
4.4
|
5.4
|
5.8
|
1.5
|
|
5 1/2
|
20
|
5.5
|
20
|
0.361
|
4.778
|
4.653
|
19.83
|
|
4.4
|
4.6
|
0.3
|
|
5 1/2
|
23
|
5.5
|
23
|
0.415
|
4.67
|
4.545
|
22.56
|
|
3.2
|
3.4
|
0.9
|
|
5 1/2
|
26.8
|
5.5
|
26.8
|
0.5
|
4.5
|
4.375
|
26.72
|
|
|
|
|
|
5 1/2
|
29.7
|
5.5
|
29.7
|
0.562
|
4.376
|
4.251
|
29.67
|
|
|
|
|
|
5 1/2
|
32.6
|
5.5
|
32.6
|
0.625
|
4.25
|
4.125
|
32.57
|
|
|
|
|
|
5 1/2
|
35.3
|
5.5
|
35.3
|
0.687
|
4.126
|
4.001
|
35.35
|
|
|
|
|
|
5 1/2
|
38
|
5.5
|
38
|
0.75
|
4
|
3.875
|
38.08
|
|
|
|
|
|
5 1/2
|
40.5
|
5.5
|
40.5
|
0.812
|
3.876
|
3.751
|
40.69
|
|
|
|
|
|
5 1/2
|
43.1
|
5.5
|
43.1
|
0.875
|
3.75
|
3.625
|
43.26
|
|
|
|
|
|
6 5/8
|
20
|
6.625
|
20
|
0.288
|
6.049
|
5.924
|
19.51
|
11
|
13.6
|
14.4
|
2.38
|
|
6 5/8
|
24
|
6.625
|
24
|
0.352
|
5.921
|
5.796
|
23.6
|
9.6
|
12
|
12.6
|
0.58
|
|
6 5/8
|
28
|
6.625
|
28
|
0.417
|
5.791
|
5.666
|
27.67
|
|
10.2
|
10.6
|
-1.42
|
|
6 5/8
|
32
|
6.625
|
32
|
0.475
|
5.675
|
5.55
|
31.23
|
|
8.8
|
9
|
-3.02
|
|
7
|
17
|
7
|
17
|
0.231
|
6.538
|
6.413
|
16.72
|
10
|
|
|
|
|
7
|
20
|
7
|
20
|
0.272
|
6.456
|
6.331
|
19.56
|
9.4
|
|
|
|
|
7
|
23
|
7
|
23
|
0.317
|
6.366
|
6.25
|
22.65
|
8
|
10.4
|
11
|
1.6
|
|
7
|
23
|
7
|
23
|
0.317
|
6.366
|
6.241
|
22.65
|
8
|
10.4
|
11
|
1.6
|
|
7
|
26
|
7
|
26
|
0.362
|
6.276
|
6.151
|
25.69
|
7.2
|
9.4
|
9.6
|
0.2
|
|
7
|
29
|
7
|
29
|
0.408
|
6.184
|
6.059
|
28.75
|
|
8
|
8.2
|
1.2
|
|
7
|
32
|
7
|
32
|
0.453
|
6.094
|
6
|
31.7
|
|
6.6
|
6.8
|
2.6
|
|
7
|
32
|
7
|
32
|
0.453
|
6.094
|
5.969
|
31.7
|
|
6.6
|
6.8
|
2.6
|
|
7
|
35
|
7
|
35
|
0.498
|
6.004
|
5.879
|
34.61
|
|
5.6
|
5.6
|
3.8
|
|
7
|
38
|
7
|
38
|
0.54
|
5.92
|
5.795
|
37.29
|
|
4.4
|
4.2
|
5.2
|
|
7
|
42.7
|
7
|
42.7
|
0.625
|
5.75
|
5.625
|
42.59
|
|
|
|
|
|
7
|
46.4
|
7
|
46.4
|
0.687
|
5.625
|
5.5
|
46.36
|
|
|
|
|
|
7
|
50.1
|
7
|
50.1
|
0.75
|
5.5
|
5.375
|
50.11
|
|
|
|
|
|
7
|
53.6
|
7
|
53.6
|
0.812
|
5.376
|
5.251
|
53.71
|
|
|
|
|
|
7
|
57.1
|
7
|
57.1
|
0.875
|
5.25
|
5.125
|
57.29
|
|
|
|
|
|
7 5/8
|
24
|
7.625
|
24
|
0.3
|
7.025
|
6.9
|
23.49
|
15.8
|
|
|
|
|
7 5/8
|
26.4
|
7.625
|
26.4
|
0.328
|
6.969
|
6.844
|
25.59
|
15.2
|
19
|
20.6
|
6.21
|
|
7 5/8
|
29.7
|
7.625
|
29.7
|
0.375
|
6.875
|
6.75
|
29.06
|
|
17.4
|
18.8
|
4.41
|
|
7 5/8
|
33.7
|
7.625
|
33.7
|
0.43
|
6.765
|
6.64
|
33.07
|
|
15.8
|
17
|
2.61
|
|
7 5/8
|
39
|
7.625
|
39
|
0.5
|
6.625
|
6.5
|
38.08
|
|
13.6
|
14.6
|
0.21
|
|
7 5/8
|
42.8
|
7.625
|
42.8
|
0.562
|
6.501
|
6.376
|
42.43
|
|
12.01
|
11.39
|
-3.01
|
|
7 5/8
|
45.3
|
7.625
|
45.3
|
0.595
|
6.435
|
6.31
|
44.71
|
|
11.04
|
11.04
|
-3.36
|
|
7 5/8
|
47.1
|
7.625
|
47.1
|
0.625
|
6.375
|
6.25
|
46.77
|
|
10.16
|
9.23
|
-5.17
|
|
7 5/8
|
51.2
|
7.625
|
51.2
|
0.687
|
6.251
|
6.126
|
50.95
|
|
|
|
|
|
7 5/8
|
55.3
|
7.625
|
55.3
|
0.75
|
6.125
|
6
|
55.12
|
|
|
|
|
|
7 3/4
|
46.1
|
7.75
|
46.1
|
0.595
|
6.56
|
6.5
|
45.51
|
|
|
|
|
|
7 3/4
|
46.1
|
7.75
|
46.1
|
0.595
|
6.56
|
6.435
|
45.51
|
|
|
|
|
|
8 5/8
|
24
|
8.625
|
24
|
0.264
|
8.097
|
7.972
|
23.6
|
23.6
|
|
|
|
|
8 5/8
|
28
|
8.625
|
28
|
0.304
|
8.017
|
7.892
|
27.04
|
22.2
|
|
|
|
|
8 5/8
|
32
|
8.625
|
32
|
0.352
|
7.921
|
7.875
|
31.13
|
20.8
|
27.6
|
28.3
|
6.03
|
|
8 5/8
|
32
|
8.625
|
32
|
0.352
|
7.921
|
7.796
|
31.13
|
20.8
|
27.6
|
28.2
|
6.03
|
|
8 5/8
|
36
|
8.625
|
36
|
0.4
|
7.825
|
7.7
|
35.17
|
19.4
|
25.6
|
26.2
|
4.03
|
|
8 5/8
|
40
|
8.625
|
40
|
0.45
|
7.725
|
7.625
|
39.33
|
|
23.8
|
24.2
|
2.03
|
|
8 5/8
|
40
|
8.625
|
40
|
0.45
|
7.725
|
7.6
|
39.33
|
|
23.8
|
24.2
|
2.03
|
|
8 5/8
|
44
|
8.625
|
44
|
0.5
|
7.625
|
7.5
|
43.43
|
|
21.8
|
22.2
|
0.03
|
|
8 5/8
|
49
|
8.625
|
49
|
0.557
|
7.511
|
7.286
|
48.04
|
|
19.6
|
19.8
|
-2.37
|
|
9 5/8
|
32.3
|
9.625
|
32.3
|
0.312
|
9.001
|
8.845
|
31.06
|
24.4
|
|
|
|
|
9 5/8
|
36
|
9.625
|
36
|
0.352
|
8.921
|
8.876
|
34.89
|
23
|
32
|
31
|
6.48
|
|
9 5/8
|
40
|
9.625
|
40
|
0.395
|
8.835
|
8.75
|
38.97
|
21.4
|
30
|
29
|
4.48
|
|
9 5/8
|
40
|
9.625
|
40
|
0.395
|
8.835
|
8.679
|
38.97
|
21.4
|
30
|
29
|
4.48
|
|
9 5/8
|
43.5
|
9.625
|
43.5
|
0.435
|
8.755
|
8.599
|
42.73
|
|
28.2
|
27.2
|
2.68
|
|
9 5/8
|
47
|
9.625
|
47
|
0.472
|
8.681
|
8.525
|
46.18
|
|
26.6
|
25.6
|
1.08
|
|
9 5/8
|
53.5
|
9.625
|
53.5
|
0.545
|
8.535
|
8.5
|
52.9
|
|
23.4
|
22.4
|
-2.12
|
|
9 5/8
|
53.5
|
9.625
|
53.5
|
0.545
|
8.535
|
8.379
|
52.9
|
|
23.4
|
22.4
|
-2.12
|
|
9 5/8
|
58.4
|
9.625
|
58.4
|
0.595
|
8.435
|
8.375
|
57.44
|
|
21.5
|
20.13
|
-4.4
|
|
9 5/8
|
58.4
|
9.625
|
58.4
|
0.595
|
8.435
|
8.279
|
57.44
|
|
21.5
|
20.13
|
-4.4
|
|
9 5/8
|
59.4
|
9.625
|
59.4
|
0.609
|
8.407
|
8.251
|
58.7
|
|
|
|
|
|
9 5/8
|
64.9
|
9.625
|
64.9
|
0.672
|
8.281
|
8.125
|
64.32
|
|
|
|
|
|
9 5/8
|
70.3
|
9.625
|
70.3
|
0.734
|
8.157
|
8.001
|
69.76
|
|
|
|
|
|
9 5/8
|
75.6
|
9.625
|
75.6
|
0.797
|
8.031
|
7.875
|
75.21
|
|
|
|
|
|
10 3/4
|
32.75
|
10.75
|
32.75
|
0.279
|
10.192
|
10.036
|
31.23
|
29
|
|
|
|
|
10 3/4
|
40.5
|
10.75
|
40.5
|
0.35
|
10.05
|
9.894
|
38.91
|
26.4
|
|
34.4
|
7.21
|
|
10 3/4
|
45.5
|
10.75
|
45.5
|
0.4
|
9.95
|
9.875
|
44.26
|
24.4
|
|
31.8
|
4.61
|
|
10 3/4
|
45.5
|
10.75
|
45.5
|
0.4
|
9.95
|
9.794
|
44.26
|
24.4
|
|
31.8
|
4.61
|
|
10 3/4
|
51
|
10.75
|
51
|
0.45
|
9.85
|
9.694
|
49.55
|
22.6
|
|
29.4
|
2.21
|
|
10 3/4
|
55.5
|
10.75
|
55.5
|
0.495
|
9.76
|
9.625
|
54.26
|
20.8
|
|
27
|
-0.19
|
|
10 3/4
|
55.5
|
10.75
|
55.5
|
0.495
|
9.76
|
9.604
|
54.26
|
20.8
|
|
27
|
-0.19
|
|
10 3/4
|
60.7
|
10.75
|
60.7
|
0.545
|
9.66
|
9.504
|
59.45
|
18.8
|
|
24.4
|
|
|
10 3/4
|
65.7
|
10.75
|
65.7
|
0.595
|
9.56
|
9.404
|
64.59
|
16.8
|
|
22
|
|
|
10 3/4
|
73.2
|
10.75
|
73.2
|
0.672
|
9.406
|
9.25
|
72.4
|
|
|
|
|
|
10 3/4
|
79.2
|
10.75
|
79.2
|
0.734
|
9.282
|
9.126
|
78.59
|
|
|
|
|
|
10 3/4
|
85.3
|
10.75
|
85.3
|
0.797
|
9.156
|
9
|
84.8
|
|
|
|
|
|
11 3/4
|
42
|
11.75
|
42
|
0.333
|
11.084
|
11
|
40.64
|
29.6
|
|
|
|
|
11 3/4
|
42
|
11.75
|
42
|
0.333
|
11.084
|
10.928
|
40.64
|
29.6
|
|
|
|
|
11 3/4
|
47
|
11.75
|
47
|
0.375
|
11
|
10.844
|
45.6
|
27.6
|
|
35.8
|
|
|
11 3/4
|
54
|
11.75
|
54
|
0.435
|
10.88
|
10.724
|
52.62
|
25
|
|
32.4
|
|
|
11 3/4
|
60
|
11.75
|
60
|
0.489
|
10.772
|
10.625
|
58.87
|
22.6
|
|
29.6
|
|
|
11 3/4
|
60
|
11.75
|
60
|
0.489
|
10.772
|
10.616
|
58.87
|
22.6
|
|
29.6
|
|
|
11 3/4
|
65
|
11.75
|
65
|
0.534
|
10.682
|
10.625
|
64.03
|
|
|
|
|
|
11 3/4
|
65
|
11.75
|
65
|
0.534
|
10.682
|
10.625
|
64.03
|
|
|
|
|
|
11 3/4
|
71
|
11.75
|
71
|
0.582
|
10.586
|
10.43
|
69.48
|
|
|
|
|
|
13 3/8
|
48
|
13.375
|
48
|
0.33
|
12.715
|
12.559
|
46.02
|
33.2
|
|
|
|
|
13 3/8
|
54.5
|
13.375
|
54.5
|
0.38
|
12.615
|
12.459
|
52.79
|
30.8
|
|
40.2
|
|
|
13 3/8
|
61
|
13.375
|
61
|
0.43
|
12.515
|
12.359
|
59.5
|
28.4
|
|
36.8
|
|
|
13 3/8
|
68
|
13.375
|
68
|
0.48
|
12.415
|
12.259
|
66.17
|
25.8
|
|
33.6
|
|
|
13 3/8
|
72
|
13.375
|
72
|
0.514
|
12.347
|
12.25
|
70.67
|
24.2
|
|
31.6
|
|
|
13 3/8
|
72
|
13.375
|
72
|
0.514
|
12.347
|
12.191
|
70.67
|
24.2
|
|
31.6
|
|
|
16
|
65
|
16
|
65
|
0.375
|
15.25
|
15.062
|
62.64
|
42.6
|
|
|
|
|
16
|
75
|
16
|
75
|
0.438
|
15.124
|
14.936
|
72.86
|
38.2
|
|
45.6
|
|
|
16
|
84
|
16
|
84
|
0.495
|
15.01
|
14.822
|
82.05
|
34.2
|
|
39.6
|
|
|
16
|
109
|
16
|
109
|
0.656
|
14.688
|
14.5
|
107.6
|
|
|
|
|
|
18 5/8
|
87.5
|
18.625
|
87.5
|
0.435
|
17.755
|
17.567
|
84.59
|
73.6
|
|
86.4
|
|
|
20
|
94
|
20
|
94
|
0.438
|
19.124
|
18.936
|
91.59
|
47
|
61.2
|
54.8
|
|
|
20
|
106.5
|
20
|
106.5
|
0.5
|
19
|
18.812
|
104.23
|
41.6
|
54.8
|
48.4
|
|
|
20
|
133
|
20
|
133
|
0.635
|
18.73
|
18.542
|
131.45
|
30
|
40.6
|
35.2
|
|
Pipe Type:Oil casing, API 5CT casing,API Spec 5CT J55 K55 N80 L80 Casing Pipe;Seamless Steel Oil Well Casing Pipe
Outer diamater(OD):114.30mm-508mm
Wall thickness(WT):5.21mm-16.13mm
Length:R1; R2; R3
Gread：J55;K55;N80-Q;L80-1;L80-9Cr;L80-13Cr,C95，P10
Standard:API 5CT PSL1/PSL2 J55,K55,N80-1,N80-Q,
API 5CT PSL1/PSL2 L80-1, L80-9Cr,L80-13Cr,C90, C95, P110, Q125
Thread types:STC;LTC;BTC;VAM TOP equivalent;New VAM equivalent;CS equivalent;HSC equivalent;NUE;EUE;LTC;XC
Thread:NUE, EUE, VAM, STC, LTC, BTC, XC, VAM TOP, NEW VAM,HYDRILL CS
Application:Casing Pipe is widely used for fastening oil and gas well wall or borehold, with bigger diameter than tubing, including surface casings, technical casings and oil layer casings.
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