API 5CT/5b Seamless Steel Pipe Oil Casing J55/K55/N80/L80/C90/T95/P110/Q125

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The Importance of   API 5CT/5b Seamless steel Pipe oil casing in the Oil Industry The oil industry is a vital sector that plays a crucial role in the global economy….

The Importance of  API 5CT/5b Seamless steel Pipe oil casing in the Oil Industry

The oil industry is a vital sector that plays a crucial role in the global economy. It is responsible for the extraction, production, and distribution of oil, which is used in various industries and applications. To ensure the smooth operation of oil wells and the efficient extraction of oil, the use of High-Quality equipment is essential. One such equipment that is of utmost importance in the oil industry is the API 5CT/5b seamless steel pipe oil casing.

Labels Outside Diameter
(d/mm)		 T&C
(kg/m)		 Wall thickness  
(t/mm)		 Type of end-finish
         
1 2       J55/K55 M65 l80/R95 N80-1/Q C90/T95 P110 Q125
4-1/2 9.50 114.30 14.14 5.21 PS PS – – – – –
  10.50 114.30 15.63 5.69 PSB PSB – – – – –
  11.60 114.30 17.26 6.35 PSLB PLB PLB PLB PLB PLB –
  13.50 114.30 20.09 7.37 – PLB PLB PLB PLB PLB –
  15.10 114.30 22.47 8.56 – – – – – PLB PLB
5 11.50 127.00 17.11 5.59 PS PS – – – – –
  13.00 127.00 19.35 6.43 PSLB PSLB – – – – –
  15.00 127.00 22.32 7.52 PSLB PLB SLB PLB PLB PLB 　
  18.00 127.00 26.79 9.19 – PLB SLB PLB PLB PLB PLB
  21.40 127.00 31.85 11.10 – PLB PLB PLB PLB PLB PLB
  23.20 127.00 34.53 12.14 – – PLB PLB PLB PLB PLB
  24.10 127.00 35.87 12.70 – – PLB PLB PLB PLB PLB
5-1/2 14.00 139.70 20.83 6.20 PS PS – – – – –
  15.50 139.70 23.07 6.98 PSLB PSLB – – – – –
  17.00 139.70 25.30 7.72 PSLB PLB PLB PLB PLB PLB –
  20.00 139.70 29.76 9.17 – PLB PLB PLB PLB PLB –
  23.00 139.70 34.23 10.54 – PLB PLB PLB PLB PLB PLB
  26.80 139.70 39.88 12.70 – – – – P – –
  29.70 139.70 44.20 14.27 – – – – P – –
  32.60 139.70 48.52 15.88 – – – – P – –
  35.30 139.70 52.53 17.45 – – – – P – –
  38.00 139.70 56.55 19.05 – – – – P – –
  40.50 139.70 60.27 20.62 – – – – P – –
  43.10 139.70 64.14 22.22 – – – – P – –
6-5/8 20.00 168.28 29.76 7.32 PSLB PSLB – – – – –
  24.00 168.28 35.72 8.94 PSLB PLB PLB PLB PLB PLB –
  28.00 168.28 41.67 10.59 – PLB PLB PLB PLB PLB –
  32.00 168.28 47.62 12.06 – – PLB PLB PLB PLB PLB
7 17.00 177.80 25.30 5.87 – – – – – – –
  20.00 177.80 29.76 6.91 PS PS – – – – –
  23.00 177.80 34.23 8.05 PSLB PLB PLB PLB PLB – –
  26.00 177.80 38.69 9.19 – PLB PLB PLB PLB PLB –
  29.00 177.80 43.16 10.36 – PLB PLB PLB PLB PLB –
  32.00 177.80 47.62 11.51 – PLB PLB PLB PLB PLB –
  35.00 177.80 52.09 12.65 – – PLB PLB PLB PLB PLB
  38.00 177.80 56.55 13.72 – – PLB PLB PLB PLB PLB
  42.70 177.80 63.55 15.88 – – – – P – –
  46.40 177.80 69.05 17.45 – – – – P – –
  50.10 177.80 74.56 19.05 – – – – P – –
  53.60 177.80 79.77 20.62 – – – – P – –
  57.10 177.80 84.98 22.22 – – – – P – –
7-5/8 24.00 193.68 35.72 7.62 – – – – 　 – –
  26.40 193.68 39.29 8.33 PSLB PSLB PLB PLB PLB – –
  29.70 193.68 44.20 9.52 – PLB PLB PLB PLB PLB –
  33.70 193.68 50.15 10.92 – PLB PLB PLB PLB PLB –
  39.00 193.68 58.04 12.70 – – PLB PLB PLB PLB PLB
  42.80 193.68 63.69 14.27 – – PLB PLB PLB PLB PLB
  45.30 193.68 67.42 15.11 – – PLB PLB PLB PLB PLB
  47.10 193.68 70.09 15.88 – – PLB PLB PLB PLB PLB
  51.20 193.68 76.20 17.45 – – – – P – –
  55.30 193.68 82.30 19.05 – – – – P – –
7-3/4 46.10 196.85 68.61 15.11 – – P P P P P
8-5/8 24.00 219.08 35.72 6.71 PS PS – – – – –
  28.00 219.08 41.67 7.72 　 PS – – – – –
  32.00 219.08 47.62 8.94 PSLB PSLB – – – – –
  36.00 219.08 53.58 10.16 PSLB PSLB PLB PLB PLB PLB –
  40.00 219.08 59.53 11.43 – PLB PLB PLB PLB PLB –
  44.00 219.08 65.48 12.70 – – PLB PLB PLB PLB –
  49.00 219.08 72.92 14.15 – – PLB PLB PLB PLB PLB
9-5/8 32.30 244.48 48.07 7.92 – – – – – – –
  36.00 244.48 53.58 8.94 PSLB PSLB – – – – –
  40.00 244.48 59.53 10.03 PSLB PSLB PLB PLB PLB – –
  43.50 244.48 64.74 11.05 – PLB PLB PLB PLB PLB –
  47.00 244.48 69.95 11.99 – PLB PLB PLB PLB PLB PLB
  53.50 244.48 79.62 13.84 – – PLB PLB PLB PLB PLB
  58.40 244.48 86.91 15.11 – – PLB PLB PLB PLB PLB
  59.40 244.48 88.40 15.47 – – – – P – –
  64.90 244.48 96.58 17.07 – – – – P – –
  70.30 244.48 104.62 18.64 – – – – P – –
  75.60 244.48 112.51 20.24 – – – – P – –
10-3/4 32.75 273.05 48.74 7.09 – – – – – – –
  40.50 273.05 60.27 8.89 PSB PSB – – – – –
  45.50 273.05 67.71 10.16 PSB PSB – – – – –
  51.00 273.05 75.90 11.43 PSB PSB PSB PSB PSB PSB –
  55.50 273.05 82.60 12.57 – PSB PSB PSB PSB PSB –
  60.70 273.05 90.33 13.84 – – – – PSB PSB PSB
  65.70 273.05 97.77 15.11 – – – – PSB PSB PSB
  73.20 273.05 108.94 17.07 – – – – P – –
  79.20 273.05 117.87 18.64 – – – – P – –
  85.30 273.05 126.94 20.24 – – – – P – –
11-3/4 42.00 298.45 62.50 8.46 – – – – – – –
  47.00 298.45 69.95 9.53 PSB PSB – – – – –
  54.00 298.45 80.36 11.05 PSB PSB – – – – –
  60.00 298.45 89.29 12.42 PSB PSB PSB PSB PSB PSB PSB
  65.00 298.45 96.73 13.56 – – P P P P P
  71.00 298.45 105.66 14.78 – – P P P P P
13-3/8 48.00 339.72 71.43 8.38 – – – – – – –
  54.50 339.72 81.11 9.65 PSB PSB – – – – –
  61.00 339.72 90.78 10.92 PSB PSB – – – – –
  68.00 339.72 101.20 12.19 PSB PSB PSB PSB PSB PSB –
  72.00 339.72 107.15 13.06 – – PSB PSB PSB PSB PSB
16 65.00 406.40 96.73 9.53 – – – – – – –
  75.00 406.40 111.62 11.13 PSB PSB – – – – –
  84.00 406.40 125.01 12.57 PSB PSB – – – – –
  109.00 406.40 162.21 16.66 P – P P – P P
18-5/8 87.50 473.08 130.22 11.05 PSB PSB – – – – –
20 94.00 508.00 139.89 11.13 PSLB PSLB – – – – –
  106.50 508.00 158.49 12.70 PSLB PSLB – – – – –
  133.00 508.00 197.93 16.13 PSLB – – – – – –

API 5CT/5b seamless steel pipe oil casing is a type of pipe that is used to line the walls of oil wells. It is designed to provide structural support to the wellbore and protect the drilling fluid from contamination. The casing also prevents the collapse of the wellbore and ensures the efficient extraction of oil. It is made from high-quality steel and is manufactured according to the American Petroleum Institute (API) standards.

One of the key advantages of API 5CT/5b seamless steel pipe oil casing is its durability. The casing is subjected to extreme conditions, including high pressure, high temperature, and corrosive environments. Therefore, it is crucial that the casing is able to withstand these conditions without any compromise in its structural integrity. API 5CT/5b seamless steel pipe oil casing is designed to be highly resistant to corrosion, erosion, and other forms of damage, ensuring its long-term performance and reliability.

Another important feature of API 5CT/5b seamless steel pipe oil casing is its ability to provide a tight Seal. The casing is threaded at both ends, allowing it to be connected to other sections of casing or to the Wellhead. The threaded connections are designed to provide a secure and leak-proof seal, preventing the escape of oil or gas and ensuring the safety of the well. The tight seal also helps to maintain the pressure within the well, allowing for efficient oil extraction.

SilverAPI 5CT/5b seamless steel pipe oil casing is available in different grades, including J55, K55, N80, L80, C90, T95, P110, and Q125. Each Grade has its own specific properties and is suitable for different applications. For example, J55 and K55 are commonly used for shallow wells, while N80 and L80 are suitable for medium-depth wells. P110 and Q125 are high-strength grades that are used for deep and high-pressure wells. The choice of casing grade depends on factors such as the depth of the well, the

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