China API OCTG Steel Casing and Tubing, Find details about China Oil Tube, Oil Casing from API OCTG Steel Casing and Tubing
API OIL CASING
Product detail
Casing specification reference.
API Casing List (USC Unit)
specification | Outside Diameter | Wall Thick- ness | Type of End-finish | ||||||||
1 | 2 | D in. | t in. | H40 | J55 K55 | L80 R95 | N80 Type 1, Q | C90 T95 | C110 | P110 | Q125 |
4 1/2 | 9.50 | 4.500 | 0.205 | PS | PS | - | - | -- | - | - | - |
4 1/2 | 10.50 | 4.500 | 0.224 | - | PSB | - | - | -- | - | - | - |
4 1/2 | 11.60 | 4.500 | 0.250 | - | PSLB | PLB | PLB | PLB | P | PLB | - |
4 1/2 | 13.50 | 4.500 | 0.290 | - | - | PLB | PLB | PLB | P | PLB | - |
4 1/2 | 15.10 | 4.500 | 0.337 | - | - | - | - | - | - | PLB | PLB |
5 | 11.50 | 5.000 | 0.220 | - | PS | - | - | - | - | - | - |
5 | 13.00 | 5.000 | 0.253 | - | PSLB | - | - | - | - | - | - |
5 | 15.00 | 5.000 | 0.296 | - | PSLB | PLB | PLB | PLB | P | PLB | - |
5 | 18.00 | 5.000 | 0.362 | - | - | PLB | PLB | PLB | P | PLB | PLB |
5 | 21.40 | 5.000 | 0.437 | - | - | PLB | PLB | PLB | P | PLB | PLB |
5 | 23.20 | 5.000 | 0.478 | - | - | PLB | PLB | PLB | P | PLB | PLB |
5 | 24.10 | 5.000 | 0.500 | - | - | PLB | PLB | PLB | P | PLB | PLB |
5 1/2 | 14.00 | 5.500 | 0.244 | PS | PS | - | - | - | - | - | - |
5 1/2 | 15.50 | 5.500 | 0.275 | - | PSLB | - | - | - | - | - | - |
5 1/2 | 17.00 | 5.500 | 0.304 | - | PSLB | PLB | PLB | PLB | P | PLB | - |
5 1/2 | 20.00 | 5.500 | 0.361 | - | - | PLB | PLB | PLB | P | PLB | - |
5 1/2 | 23.00 | 5.500 | 0.415 | - | - | PLB | PLB | PLB | P | PLB | PLB |
5 1/2 | 26.80 | 5.500 | 0.500 | - | - | - | - | P | P | - | - |
5 1/2 | 29.70 | 5.500 | 0.562 | - | - | - | - | P | P | - | - |
5 1/2 | 32.60 | 5.500 | 0.625 | - | - | - | - | P | P | - | - |
5 1/2 | 35.30 | 5.500 | 0.687 | - | - | - | - | P | P | - | - |
5 1/2 | 38.00 | 5.500 | 0.750 | - | - | - | - | P | P | - | - |
5 1/2 | 40.50 | 5.500 | 0.812 | - | - | - | - | P | P | - | - |
5 1/2 | 43.10 | 5.500 | 0.875 | - | - | - | - | P | P | - | - |
6 5/8 | 20.00 | 6.625 | 0.288 | PS | PSLB | - | - | - | - | - | - |
6 5/8 | 24.00 | 6.625 | 0.352 | - | PSLB | PLB | PLB | PLB | P | PLB | - |
6 5/8 | 28.00 | 6.625 | 0.417 | - | - | PLB | PLB | PLB | P | PLB | - |
6 5/8 | 32.00 | 6.625 | 0.475 | - | - | PLB | PLB | PLB | P | PLB | PLB |
7 | 17.00 | 7.000 | 0.231 | PS | - | - | - | - | - | - | - |
7 | 20.00 | 7.000 | 0.272 | PS | PS | - | - | - | - | - | - |
7 | 23.00 | 7.000 | 0.317 | - | PSLB | PLB | PLB | PLB | P | - | - |
7 | 26.00 | 7.000 | 0.362 | - | PSLB | PLB | PLB | PLB | P | PLB | - |
7 | 29.00 | 7.000 | 0.408 | - | - | PLB | PLB | PLB | P | PLB | - |
7 | 32.00 | 7.000 | 0.453 | - | - | PLB | PLB | PLB | P | PLB | - |
7 | 35.00 | 7.000 | 0.498 | - | - | PLB | PLB | PLB | P | PLB | PLB |
7 | 38.00 | 7.000 | 0.540 | - | - | PLB | PLB | PLB | P | PLB | PLB |
7 | 42.70 | 7.000 | 0.625 | - | - | - | - | P | P | - | - |
7 | 46.40 | 7.000 | 0.687 | - | - | - | - | P | P | - | - |
7 | 50.10 | 7.000 | 0.750 | - | - | - | - | P | P | - | - |
7 | 53.60 | 7.000 | 0.812 | - | - | - | - | P | P | - | - |
7 | 57.10 | 7.000 | 0.875 | - | - | - | - | P | P | - | - |
7 5/8 | 24.00 | 7.625 | 0.300 | PS | - | - | - | - | - | - | - |
7 5/8 | 26.40 | 7.625 | 0.328 | - | PSLB | PLB | PLB | PLB | P | - | - |
7 5/8 | 29.70 | 7.625 | 0.375 | - | - | PLB | PLB | PLB | P | PLB | - |
7 5/8 | 33.70 | 7.625 | 0.430 | - | - | PLB | PLB | PLB | P | PLB | - |
7 5/8 | 39.00 | 7.625 | 0.500 | - | - | PLB | PLB | PLB | P | PLB | PLB |
7 5/8 | 42.80 | 7.625 | 0.562 | - | - | PLB | PLB | PLB | P | PLB | PLB |
7 5/8 | 45.30 | 7.625 | 0.595 | - | - | PLB | PLB | PLB | P | PLB | PLB |
7 5/8 | 47.10 | 7.625 | 0.625 | - | - | PLB | PLB | PLB | P | PLB | PLB |
7 5/8 | 51.20 | 7.625 | 0.687 | - | - | - | - | P | P | - | - |
7 5/8 | 55.30 | 7.625 | 0.750 | - | - | - | - | P | P | - | - |
7 3/4 | 46.10 | 7.750 | 0.595 | - | - | P | P | P | P | P | P |
8 5/8 | 24.00 | 8.625 | 0.264 | - | PS | - | - | - | - | - | - |
8 5/8 | 28.00 | 8.625 | 0.304 | PS | - | - | - | - | - | - | - |
8 5/8 | 32.00 | 8.625 | 0.352 | PS | PSLB | - | - | - | - | - | - |
8 5/8 | 36.00 | 8.625 | 0.400 | - | PSLB | PLB | PLB | PLB | P | - | - |
8 5/8 | 40.00 | 8.625 | 0.450 | - | - | PLB | PLB | PLB | P | PLB | - |
8 5/8 | 44.00 | 8.625 | 0.500 | - | - | PLB | PLB | PLB | P | PLB | - |
8 5/8 | 49.00 | 8.625 | 0.557 | - | - | PLB | PLB | PLB | P | PLB | PLB |
9 5/8 | 32.30 | 9.625 | 0.312 | PS | - | - | - | - | - | - | - |
9 5/8 | 36.00 | 9.625 | 0.352 | PS | PSLB | - | - | - | - | - | - |
9 5/8 | 40.00 | 9.625 | 0.395 | - | PSLB | PLB | PLB | PLB | P | - | - |
9 5/8 | 43.50 | 9.625 | 0.435 | - | - | PLB | PLB | PLB | P | PLB | - |
9 5/8 | 47.00 | 9.625 | 0.472 | - | - | PLB | PLB | PLB | P | PLB | PLB |
9 5/8 | 53.50 | 9.625 | 0.545 | - | - | PLB | PLB | PLB | P | PLB | PLB |
9 5/8 | 58.40 | 9.625 | 0.595 | - | - | PLB | PLB | PLB | P | PLB | PLB |
9 5/8 | 59.40 | 9.625 | 0.609 | - | - | - | - | P | P | - | - |
9 5/8 | 64.90 | 9.625 | 0.672 | - | - | - | - | P | P | - | - |
9 5/8 | 70.30 | 9.625 | 0.734 | - | - | - | - | P | P | - | - |
9 5/8 | 75.60 | 9.625 | 0.797 | - | - | - | - | P | P | - | - |
10 3/4 | 32.75 | 10.750 | 0.279 | PS | - | - | - | - | - | - | - |
10 3/4 | 40.50 | 10.750 | 0.350 | PS | PSB | - | - | - | - | - | - |
10 3/4 | 45.50 | 10.750 | 0.400 | - | PSB | - | - | - | - | - | - |
10 3/4 | 51.00 | 10.750 | 0.450 | - | PSB | PSB | PSB | PSB | P | PSB | - |
10 3/4 | 55.50 | 10.750 | 0.495 | - | - | PSB | PSB | PSB | P | PSB | - |
10 3/4 | 60.70 | 10.750 | 0.545 | - | - | - | - | PSB | P | PSB | PSB |
10 3/4 | 65.70 | 10.750 | 0.595 | - | - | - | - | PSB | P | PSB | PSB |
10 3/4 | 73.20 | 10.750 | 0.672 | - | - | - | - | P | P | - | - |
10 3/4 | 79.20 | 10.750 | 0.734 | - | - | - | - | P | P | - | - |
10 3/4 | 85.30 | 10.750 | 0.797 | - | - | - | - | P | P | - | - |
11 3/4 | 42.00 | 11.750 | 0.333 | PS | - | - | - | - | - | - | - |
11 3/4 | 47.00 | 11.750 | 0.375 | - | PSB | - | - | - | - | - | - |
11 3/4 | 54.00 | 11.750 | 0.435 | - | PSB | - | - | - | - | - | - |
11 3/4 | 60.00 | 11.750 | 0.489 | - | PSB | PSB | PSB | PSB | P | PSB | PSB |
11 3/4 | 65.00 | 11.750 | 0.534 | - | - | P | P | P | P | P | P |
11 3/4 | 71.00 | 11.750 | 0.582 | - | - | P | P | P | P | P | P |
13 3/8 | 48.00 | 13.375 | 0.330 | PS | - | - | - | - | - | - | - |
13 3/8 | 54.50 | 13.375 | 0.380 | - | PSB | - | - | - | - | - | - |
13 3/8 | 61.00 | 13.375 | 0.430 | - | PSB | - | - | - | - | - | - |
13 3/8 | 68.00 | 13.375 | 0.480 | - | PSB | PSB | PSB | PSB | P | PSB | - |
13 3/8 | 72.00 | 13.375 | 0.514 | - | - | PSB | PSB | PSB | P | PSB | PSB |
16 | 65.00 | 16.000 | 0.375 | PS | - | - | - | - | - | - | - |
16 | 75.00 | 16.000 | 0.438 | - | PSB | - | - | - | - | - | - |
16 | 84.00 | 16.000 | 0.495 | - | PSB | - | - | - | - | - | - |
16 | 109.00 | 16.000 | 0.656 | - | P | P | P | - | - | P | P |
18 5/8 | 87.50 | 18.625 | 0.435 | PS | PSB | - | - | - | - | - | - |
20 | 94.00 | 20.000 | 0.438 | PSL | PSLB | - | - | - | - | - | - |
20 | 106.50 | 20.000 | 0.500 | - | PSLB | - | - | - | - | - | - |
20 | 133.00 | 20.000 | 0.635 | - | PSLB | - | - | - | - | - | - |
NOTE P = Plain-end, S = Short round thread, L = Long round thread, B = Buttress thread. |