API 5CT J55/K55/N80/L80 Standard Tubing and Casing 9 5/8 …

overview of   API 5CT J55/ K55/ N80/ L80 standard Tubing and casing 9 5/8 API 5CT j55/k55/n80/l80 Standard Tubing and Casing 9 5/8 API 5CT J55/K55/N80/L80 Standard Tubing and Casing 9 5/8 is a widely used standard in the Oil and gas industry. This standard specifies the technical delivery conditions for steel Pipes used in…

overview of  API 5CT J55/ K55/ N80/ L80 standard Tubing and casing 9 5/8

API 5CT J55/K55/N80/L80 Standard Tubing and Casing 9 5/8 API 5CT J55/K55/N80/L80 Standard Tubing and Casing 9 5/8 is a widely used standard in the Oil and gas industry. This standard specifies the technical delivery conditions for steel Pipes used in the production of oil and gas wells. The 9 5/8 refers to the outer diameter of the tubing and casing, which is an important parameter in determining the suitability of the pipes for specific applications.
     Calculated Mass c
  Nominal Linear Mass T& C b,cWall Thick- ness   em, Mass Gain or Loss Due to End Finishing d
Labels aOutside Diameter  Inside DiameterDrift DiameterPlain- endkg
       Round ThreadButtress Thread
      wpe    
 Dkg/mtDmmkg/mShortLongRCSCC
 mm mmmm      
123456789101112
717177.825.65.87166.06162.8824.897.61
720177.829.916.91163.98160.829.126.74— 7.94— 8.28— 0.58
723177.834.678.05161.7158.75 e 158.52 156.24 153.9033.76.267.948.280.58
723177.834.678.05161.7152.40 e33.76.267.377.65–0.54
726177.839.149.19159.42151.638.215.796.797.13–0.69
729177.843.610.36157.08149.3242.786.236.4–1.31
732177.847.9211.51154.78147.1847.26.236.4–1.31
732177.847.9211.51154.78142.8647.25.685.79–1.91
735177.852.0912.65152.5139.7251.525.185.24–2.47
738177.856.113.72150.36136.5255.52
742.7177.863.8415.88146.04133.3863.41
746.4177.869.3517.45142.9130.1869.01
750.1177.874.8519.05139.7 74.58
753.6177.880.2120.62136.56 79.93
757.1177.885.4222.22133.36 85.25   
7 5/824193.6835.727.62178.44175.2634.967.11— 8.58— 9.12— 2.59
7 5/826.4193.6839.298.33177.02173.8438.086.787.918.381.84
7 5/829.7193.6844.29.52174.64171.4643.247.137.510.98
7 5/833.7193.6850.1510.92171.84168.6649.226.166.44– 0.10
7 5/839193.6858.0412.7168.28165.156.685.325.5–1.03
7 5/842.8193.6863.6914.27165.14161.9663.144.875.01–1.52
7 5/845.3193.6867.4115.11163.46160.2866.544.484.57–1.96
7 5/847.1193.6870.0915.88161.92158.7469.63
7 5/851.2193.6876.1917.45158.78155.675.84
7 5/855.3193.6882.319.05155.58152.482.04   
7 3/446.1196.8568.615.11166.63165.10 e67.72
7 3/446.1196.8568.615.11166.63163.4567.72
304/316L stainless Steel capillary Tubing for Oil and GasThe j55, K55, N80, and L80 grades mentioned in the standard represent different levels of strength and corrosion resistance. These grades are classified based on their yield strength, which is the maximum stress that a material can withstand without permanent deformation. The higher the yield strength, the stronger the pipe and the more pressure it can withstand. J55 is the lowest grade among the four and is suitable for shallow wells with low pressure. It has a minimum yield strength of 55,000 psi. K55 has the same yield strength as J55 but has better mechanical properties due to its higher carbon content. It is commonly used in medium-depth wells. N80 is a higher grade with a minimum yield strength of 80,000 psi. It has excellent resistance to corrosion and is suitable for wells with high pressure and sour environments. L80 is the highest grade among the four and has a minimum yield strength of 80,000 psi. It is widely used in deep wells and harsh environments due to its superior mechanical properties and corrosion resistance.
The 9 5/8 outer diameter of the tubing and casing is an important parameter that determines the flow rate and pressure capacity of the well. The larger the diameter, the higher the flow rate and pressure the well can handle. The 9 5/8 size is commonly used in oil and gas wells as it strikes a balance between flow capacity and cost. API 5CT J55/K55/N80/L80 Standard Tubing and Casing 9 5/8 is manufactured using seamless or electric resistance welding (erw) processes. Seamless pipes are made by piercing a solid billet of steel and then rolling it into a tube shape. ERW pipes, on the other hand, are made by forming a flat strip of steel into a tube and then welding the edges together. alt-2212 The pipes are subjected to various tests to ensure their quality and integrity.

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