Hot Rolling Oilfield Tubing Pipe J55 Tubing Oil Well …

The Importance of hot Rolling in Oilfield Tubing Pipe Manufacturing Hot Rolling is a crucial process in the manufacturing of oilfield tubing pipe, particularly when it comes to J55 tubing used in oil wells. This process plays a significant role in ensuring the quality, strength, and durability of the tubing, making it suitable for the…

The Importance of hot Rolling in Oilfield Tubing Pipe Manufacturing

Hot Rolling is a crucial process in the manufacturing of oilfield tubing pipe, particularly when it comes to J55 tubing used in oil wells. This process plays a significant role in ensuring the quality, strength, and durability of the tubing, making it suitable for the demanding conditions of the oilfield industry. one of the primary reasons why hot rolling is essential in oilfield tubing pipe manufacturing is its ability to enhance the mechanical properties of the tubing. During the hot rolling process, the steel undergoes intense heat and pressure, which helps to refine its microstructure. This refinement leads to improved strength, toughness, and resistance to deformation, making the tubing more reliable and capable of withstanding the extreme conditions it will encounter in oil wells.
Labels a     Calculated Mass c
  Nominal Linear Mass T& C b,cWall Thick- ness   em, Mass Gain or Loss Due to End Finishing d
 Outside diameter  Inside DiameterDrift DiameterPlain- endkg
       Round ThreadButtress Thread
      wpe    
 Dkg/mtDmmkg/mShortLongRCSCC
 mm mmmm      
123456789101112
13 3/848339.7271.438.38322.96318.9968.4815.04— 17.91
13 3/854.5339.7281.19.65320.42316.4578.5513.8816.44
13 3/861339.7290.7810.92317.88313.9188.5512.7414.97
13 3/868339.72101.1912.19315.34311.3798.4611.6114.97
13 3/868339.72101.1912.19315.34311.3798.4611.67 f14.33
13 3/872339.72107.1513.06313.6311.15 e105.2110.9813.98
13 3/872339.72107.1513.06313.6311.15 e 309.63 309.63105.2110.91 f14.33
13 3/872339.72107.1513.06313.6 105.2110.9813.98
13 3/872339.72107.1513.06313.6 105.2110.91 e 
1665406.496.739.53387.4382.5796.7318.59— 20.13
1675406.4111.6111.13384.1379.37108.4916.6618.11
1684406.4125.0112.57381.3376.48122.0914.92
16109406.4162.2116.66373.1368.3160.13 
18 5/887.5473.08130.2111.05450.98446.22125.9133.639.25
2094508139.8911.13485.7480.97136.3820.527.1124.78
2094508139.8911.13485.7480.97136.3820.6127.26 g 24.27 17.8424.78
20106.5508158.4912.7482.6477.82155.1318.22 22
20133508197.9316.13475.7470.97195.6613.03 16.02
NOTE See also Figures D.1, D.2, and D.3.
a Labels are for information and assistance in ordering.
b Nominal linear masses, threaded and coupled (Column 4) are shown for information only.
c The densities of martensitic chromium steels ( L80 Types 9Cr and 13Cr) are less than those of carbon steels; The masses shown are therefore not accurate for martensitic chromium steels; A mass correction factor of 0.989 shall be used.
d Mass gain or loss due to end finishing; See 8.5.
e Drift diameter for most common bit size; This drift diameter shall be specified in the purchase agreement and marked on the pipe; See 8.10 for drift requirements.
f Based on 758 mPa minimum yield strength or greater.
g Based on 379 mPa minimum yield strength.
Furthermore, hot rolling also helps to eliminate internal defects in the steel, such as porosity and inclusions. These defects can weaken the tubing and make it susceptible to failure under high pressure and temperature conditions. By subjecting the steel to high temperatures during hot rolling, these defects are effectively eliminated, resulting in a higher quality and more reliable product. Another crucial aspect of hot rolling in oilfield tubing pipe manufacturing is the control it provides over the dimensions and shape of the tubing. Through the use of specialized rolling mills, the steel can be precisely shaped and sized according to the specific requirements of the oilfield industry. This ensures that the tubing fits perfectly into the wellbore, minimizing the risk of leaks and improving overall efficiency.
alt-507 In addition to its mechanical and dimensional benefits, hot rolling also contributes to the overall surface finish of the tubing. The intense heat and pressure during the rolling process help to smooth out any surface imperfections, resulting in a more uniform and aesthetically pleasing appearance. This is not only important for visual purposes but also for the functionality of the tubing, as a smooth surface reduces friction and allows for easier installation and retrieval from the well. Moreover, hot rolling also plays a crucial role in enhancing the corrosion resistance of the tubing. By subjecting the steel to high temperatures, the formation of a protective oxide layer is promoted, which acts as a barrier against corrosive elements present in the oilfield environment. This helps to extend the lifespan of the tubing and reduce the need for frequent replacements, ultimately saving time and costs for oilfield operators. In conclusion, hot rolling is of utmost importance in the manufacturing of oilfield tubing pipe, particularly for J55 tubing used in oil wells. This process enhances the mechanical properties, eliminates internal defects, controls dimensions and shape,  API 5CT J55 Psl2 seamless Oil Tubing LC

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