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Oil Casing Pipe

The oil casing pipe is mainly used in the industries, including oil, natural gas, water supply, thermal power generation, etc. According to the SY/T6194-96 rules, its length ranges from 8 to 13m. Also, we can offer the type with the length of no less than 6m. In addition to numerous types of oil casing pipes, our company offers oil casing couplings and many other related products.

Oil Casing Pipe

PipeOil Casing Coupling


Production Information
1) Steel Grade: J55, K55, L80, N80Q, C90, T95, P110
2) Outer Diameter: 4 1/2", 5", 5 1/2", 6 5/8", 7", 7 5/8", 9 5/8", 10 3/4", 13 3/8", 16", 18 5/8", 20"
3) Thickness: 6.35 - 12.70 mm
4) Connection Type: STC, LTC, BTC
5) Length: R1, R2, R3
6) All the products are in compliance with the standard of API SPEC 5CT.


Spec. Nominal Weight OD Thickness Process Method of the Pipe End
Steel Grade
in mm in mm J55 K55 L80 N80 C90 T95 P110
4 1/2 9.50 4.500 114.3 0.205 5.21 PS - - - -
10.50 0.224 5.69 PSB - - - -
11.60 0.250 6.35 PSLB PLB PLB PLB PLB
13.50 0.290 7.37 - PLB PLB PLB PLB
15.10 0.337 9.56 - - - - PLB
5 11.50 5.00 127.00 0.220 5.59 PS - - - -
13.00 0.253 6.43 PSLB - - - -
15.00 0.296 7.52 PSLB PLB PLB PLBE PLB
18.00 0.362 9.19 - PLB PLB PLBE PLB
21.40 0.437 11.10 - PLB PLB PLB PLB
23.20 0.478 12.14 -     PLB  
24.10 0.500 12.70 -     PLB  
5 1/2 14.00 5.500 139.7 0.244 6.20 PS - - - -
15.50 0.275 6.98 PSLB - - - -
17.00 0.304 7.72 PSLB PLB PLB PLBE PLB
20.00 0.361 9.17 - PLB PLB PLBE PLB
23.00 0.415 10.54 - PLB PLB PLBE PLB
6 5/8 20.00 6.625 168.28 0.288 7.32 PSLB - - - -
24.00 0.352 8.94 PSLB PLB PLB PLBE PLB
28.00 0.417 10.59 - PLB PLB PLBE PLB
32.00 0.475 12.06 - PLB PLB PLBE PLB
7 17.00 7.00 177.80 0.231 5.87 - - - - -
20.00 0.272 6.91 PS - - - -
23.00 0.317 8.05 PSLB PLB PLB PLBE -
26.00 0.362 9.19 PSLB PLB PLB PLBE PLB
29.00 0.408 10.36 - PLB PLB PLBE PLB
32.00 0.453 11.51 - PLB PLB PLBE PLB
35.00 0.498 12.65 - PLB PLB PLBE PLB
38.00 0.540 13.72 - PLB PLB PLBE PLB
7 5/8 24.00 7.625 193.68 0.300 7.62 - - - - -
26.40 0.328 8.33 PSLB PLB PLB PLBE PLB
29.70 0.375 9.52 - PLB PLB PLBE PLB
33.70 0.430 10.92 - PLB PLB PLBE PLB
39.00 0.500 12.70 - PLB PLB PLBE PLB
42.80 0.562 14.27 - PLB PLB PLB PLB
45.30 0.595 15.11 - PLB PLB PLB PLB
47.10 0.625 15.88 - PLB PLB PLB PLB
8 5/8 24.00 8.625 219.08 0.264 6.71 PS - - - -
28.00 0.304 7.72 - - - - -
32.00 0.352 8.94 PSLB - - - -
36.00 0.400 10.16 PSLB PLB PLB PLBE PLB
40.00 0.450 11.43 - PLB PLB PLBE PLB
44.00 0.500 12.70 - PLB PLB PLBE PLB
49.00 0.557 14.15 - PLB PLB PLBE PLB
9 5/8 32.30 9.625 244.48 0.312 7.92 - - - - -
36.00 0.352 8.94 PSLB - - - -
40.00 0.395 10.03 PSLB PLB PLB PLBE -
43.50 0.435 11.05 - PLB PLB PLBE PLB
47.00 0.472 11.99 - PLB PLB PLBE PLB
53.50 0.545 13.84 - PLB PLB PLBE PLB
58.40 0.595 15.11 - PLB PLB PLB PLB
10 3/4 32.75 10.75 273.05 0.279 7.09 - - - - -
40.50 0.350 8.89 PSB - - - -
15.50 0.400 10.16 PSB - - - -
51.00 0.450 11.43 PSB PSB PSB PSBE PSB
55.50 0.495 12.57 - PSB PSB PSBE PSB
60.70 0.545 13.84 - - - PSBE PSB
65.70 0.595 15.11 - - - PSB PSB
13 3/8 48.00 13.375 339.73 0.330 8.38 - - - - -
54.50 0.380 9.65 PSB - - - -
61.00 0.430 10.92 PSB - - - -
68.00 0.480 12.19 PSB PSB PSB PSB PSB
72.00 0.514 13.06 - PSB PSB PSB PSB
16 65.00 16 406.40 0.375 9.53 - - - - -
75.00 0.438 11.13 PSB - - - -
84.00 0.495 12.57 PSB - - - -
109.00 0.656 16.66 P P P - P
18 5/8 87.50 18.625 473.08 0.435 11.05 PSB - - - -
20 94.00 20 508.00 0.438 11.13 PSLB - - - -
106.50 0.500 12.70 PSLB - - - -
133.00 0.635 16.13 PSLB - - - -

Related Names
Oil Well Protection Pipe Supplier | Pipe Placed in Oil Drilling Hole | Oil Drilling Tool


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