Puyang Zhongshi Group Co., Ltd. |
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Threaded And Coupled Seamless Casing Pipe L80 Alloy Steel Oil
Tubulars
Oil casing descriptions:
Oil casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells
or wellbore.
It is inserted into the well bore and cemented in the well, protect both subsurface formations and the
wellbore from collapsing, allow drilling fluid to circulate in it and extraction to take place.
Features:
1. 4 1/2”-20” seamless casing
2. Hot rolled pipe
Technical specification:
Size | Linear Mass lb/ft | Outside Diameter | Wall Thickness | Type of end-finish | ||||||
inch | mm | inch | mm | Grade | ||||||
J-55 K-55 | M-65 | L-80 C-95 | N-80 1,Q | P-110 | ||||||
4 1/2'' | 9.5 | 4.5 | 114.3 | 0.205 | 5.21 | 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 | |
13.5 | 4.5 | 114.3 | 0.29 | 7.37 | -- | PLB | PLB | PLB | PLB | |
15.1 | 4.5 | 114.3 | 0.337 | 8.56 | -- | - | - | - | 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 | |
18 | 5 | 127 | 0.362 | 9.19 | -- | PLB | PLB | PLB | PLB | |
21.4 | 5 | 127 | 0.437 | 11.1 | -- | PLB | PLB | PLB | PLB | |
23.2 | 5 | 127 | 0.478 | 12.14 | -- | - | PLB | PLB | PLB | |
24.1 | 5 | 127 | 0.5 | 12.7 | -- | - | PLB | PLB | PLB | |
5 1/2'' | 14 | 5.5 | 139.7 | 0.244 | 6.2 | 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 | |
20 | 5.5 | 139.7 | 0.361 | 9.17 | -- | PLB | PLB | PLB | PLB | |
23 | 5.5 | 139.7 | 0.415 | 10.54 | -- | PLB | PLB | PLB | PLB | |
26.8 | 5.5 | 139.7 | 0.5 | 12.7 | -- | - | - | - | - | |
29.7 | 5.5 | 139.7 | 0.562 | 14.27 | -- | - | - | - | - | |
32.6 | 5.5 | 139.7 | 0.625 | 15.87 | -- | - | - | - | - | |
35.3 | 5.5 | 139.7 | 0.687 | 17.45 | -- | - | - | - | - | |
38 | 5.5 | 139.7 | 0.75 | 19.05 | -- | - | - | - | - | |
40.5 | 5.5 | 139.7 | 0.812 | 20.62 | -- | - | - | - | - | |
43.1 | 5.5 | 139.7 | 0.875 | 22.23 | -- | - | - | - | - | |
6 5/8'' | 20 | 6.625 | 168.28 | 0.288 | 7.32 | PSLB | PSLB | - | - | - |
24 | 6.625 | 168.28 | 0.352 | 8.94 | PSLB | PLB | PLB | PLB | PLB | |
28 | 6.625 | 168.28 | 0.417 | 10.59 | -- | PLB | PLB | PLB | PLB | |
32 | 6.625 | 168.28 | 0.475 | 12.06 | -- | -- | PLB | PLB | PLB | |
7 3/4'' | 46.1 | 8.625 | 219.08 | 0.595 | 15.11 | - | - | P | P | P |
8 5/8'' | 24 | 8.625 | 219.08 | 0.264 | 6.71 | PS | PS | - | - | - |
28 | 8.625 | 219.08 | 0.304 | 7.72 | - | PS | - | - | - | |
32 | 8.625 | 219.08 | 0.352 | 8.94 | PSLB | PSLB | - | - | - | |
36 | 8.625 | 219.08 | 0.4 | 10.16 | PSLB | PSLB | PLB | PLB | PSLB | |
8.625 | 219.08 | 0.45 | 11.43 | - | PLB | PLB | PLB | PLB | - | |
44 | 8.625 | 219.08 | 0.5 | 12.7 | - | - | PLB | PLB | PLB | |
49 | 9.625 | 244.28 | 0.557 | 14.15 | - | - | PLB | PLB | - | |
9 5/8'' | 32.3 | 9.625 | 244.48 | 0.312 | 7.92 | - | - | - | - | - |
36 | 9.625 | 244.48 | 0.352 | 8.94 | PSLB | PSLB | - | - | - | |
40 | 9.625 | 244.48 | 0.395 | 10.03 | PSLB | PSLB | PLB | PLB | PLB | |
43.5 | 9.625 | 244.48 | 0.435 | 11.05 | - | PLB | PLB | PLB | PLB | |
47 | 9.625 | 244.48 | 0.472 | 11.99 | - | PLB | PLB | PLB | PLB | |
53.5 | 9.625 | 244.48 | 0.545 | 13.84 | - | - | PLB | PLB | PLB | |
58.4 | 9.625 | 244.48 | 0.595 | 15.11 | - | - | PLB | PLB | - | |
59.4 | 9.625 | 244.48 | 0.609 | 15.57 | - | - | - | - | - | |
64.9 | 9.625 | 244.48 | 0.672 | 17.07 | - | - | - | - | - | |
70.3 | 9.625 | 244.48 | 0.734 | 18.64 | - | - | - | - | - | |
75.6 | 9.625 | 244.48 | 0.797 | 20.24 | - | - | - | - | - | |
10 3/4'' | 32.75 | 10.75 | 273.05 | 0.279 | 7.09 | - | - | - | - | - |
40.5 | 10.75 | 273.05 | 0.35 | 8.89 | PSB | PSB | - | - | - | |
45.5 | 10.75 | 273.05 | 0.4 | 10.16 | PSB | PSB | - | - | - | |
51 | 10.75 | 273.05 | 0.45 | 11.43 | PSB | PSB | PSB | PSB | PSB | |
55.5 | 10.75 | 273.05 | 0.468 | 12.57 | - | PSB | PSB | PSB | PSB | |
60.7 | 10.75 | 273.05 | 0.545 | 13.84 | - | - | - | - | PSB | |
65.7 | 10.75 | 273.05 | 0.595 | 15.11 | - | - | - | - | PSB | |
73.2 | 10.75 | 273.05 | 0.672 | 17.07 | - | - | - | - | - | |
79.2 | 10.75 | 273.05 | 0.734 | 18.64 | - | - | - | - | - | |
85.3 | 10.75 | 273.05 | 0.797 | 20.24 | - | - | - | - | - | |
11 3/4'' | 42 | 11.75 | 298.45 | 0.333 | 8.46 | - | - | - | - | - |
47 | 11.75 | 298.45 | 0.375 | 9.53 | PSB | PSB | - | - | - | |
54 | 11.75 | 298.45 | 0.435 | 11.05 | PSB | PSB | - | - | - | |
65 | 11.75 | 298.45 | 0.534 | 13.56 | - | - | P | P | P | |
71 | 11.75 | 298.45 | 0.582 | 14.78 | - | - | P | P | P | |
13 3/8'' | 48 | 13.375 | 339.73 | 0.33 | 8.38 | - | - | - | - | - |
54.5 | 13.375 | 339.73 | 0.38 | 9.65 | PSB | PSB | - | - | - | |
61 | 13.375 | 339.73 | 0.43 | 10.92 | PSB | PSB | - | - | - | |
68 | 13.375 | 339.73 | 0.48 | 12.19 | PSB | PSB | PSB | PSB | PSB | |
72 | 13.375 | 339.73 | 0.514 | 13.06 | - | - | PSB | PSB | PSB | |
18 5/8'' | 87.5 | 18.625 | 473.08 | 0.435 | 11.05 | PSB | PSB | - | - | - |
20'' | 94 | 20 | 508 | 0.438 | 11.13 | PSLB | PSLB | - | - | - |
106.5 | 20 | 508 | 0.5 | 12.7 | PSLB | PSLB | - | - | - | |
133 | 20 | 508 | 0.635 | 16.13 | PSLB | - | - | - | - |
Mechanical Properties:
Standard | Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | Hardness |
API SPEC 5CT | J55 | ≥517 | 379~552 | 0.5 | |
K55 | ≥655 | 379~552 | 0.5 | ||
N80 | ≥689 | 552~758 | 0.5 | ||
L80 | ≥655 | 552~655 | 0.5 | ≤241HB | |
P110 | ≥862 | 758~965 | 0.5 |