Seamless Carbon Steel API 5CT J55/K55/N80/L80 Oil Casing Tube Btc Thread

The Importance of seamless Carbon steel   API 5CT J55/K55/N80/l80 oil casing tube Btc Thread in the Oil Industry The oil industry is a vital sector that plays a crucial role…

The Importance of seamless Carbon steel  API 5CT J55/K55/N80/l80 oil casing tube Btc Thread 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 as a primary source of energy worldwide. In order to ensure the smooth operation of oil wells and the efficient extraction of oil, various equipment and materials are required. One such Material that is of utmost importance in the oil industry is the seamless carbon steel API 5CT J55/K55/N80/L80 oil casing tube with BTC thread.

Seamless carbon steel API 5CT J55/K55/N80/L80 oil casing tubes with BTC thread are specifically designed to withstand the harsh conditions of oil drilling operations. These tubes are made from High-Quality carbon steel, which provides excellent strength and durability. The seamless construction of these tubes ensures that they are free from any weld defects, making them highly reliable and resistant to leaks or failures.

Chemical Composition, Mass Fraction (%)
Grade   C Mn Mo Cr Ni Cu P S Si
  Type min max min max min max min max max max max max max
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
H40 0.03
J55 0.03
K55 0.03
N80 1 0.03 0.03
N80 Q 0.03 0.03
R95 0.45 c 1.9 0.03 0.03 0.45
L80 1 0.43 a 1.9 0.25 0.35 0.03 0.03 0.45
L80 9Cr 0.15 0.3 0.6 0.9 1.1 8 10 0.5 0.25 0.02 0.03 1
L80 13Cr 0.15 0.22 0.25 1 12 14 0.5 0.25 0.02 0.03 1
C90 1 0.35 1.2 0.25 b 0.85 1.5 0.99 0.02 0.03
T95 1 0.35 1.2 0.25 b 0.85 0.4 1.5 0.99 0.02 0.03
C110 0.35 1.2 0.25 1 0.4 1.5 0.99 0.02 0.03
P110 e 0.030 e 0.030 e
Q125 1 0.35   1.35 0.85 1.5 0.99 0.02 0.01
NOTE Elements shown shall be reported in product analysis.
a The carbon content for L80 may be increased up to 0.50 % maximum if the product is oil-quenched or polymer-quenched.
b The molybdenum content for Grade C90 Type 1 has no minimum tolerance if the Wall thickness is less than 17.78 mm.
c The carbon content for R95 may be increased up to 0.55 % maximum if the product is oil-quenched.
d The molybdenum content for T95 Type 1 may be decreased to 0.15 % minimum if the wall thickness is less than 17.78 mm.
e For EW Grade P110, the phosphorus content shall be 0.020 % maximum and the sulfur content 0.010 % maximum.

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The BTC thread on these oil casing tubes is another crucial feature that enhances their performance in the oil industry. BTC stands for “Buttress Thread Casing,” which is a type of thread Connection commonly used in oil drilling operations. This thread design provides a tight and secure connection between the casing tubes, ensuring that they can withstand high pressure and prevent any Leakage of oil or gas.

The importance of seamless carbon steel API 5CT J55/K55/N80/L80 oil casing tubes with BTC thread in the oil industry cannot be overstated. These tubes are used in various stages of oil drilling operations, from the initial drilling of the well to the production and extraction of oil. They are used to line the wellbore and provide structural support, preventing the collapse of the well and ensuring the efficient extraction of oil.

Casing PackerFurthermore, these oil casing tubes also play a crucial role in protecting the environment. The seamless construction and BTC thread connection of these tubes ensure that there are no leaks or failures, preventing any potential oil spills or contamination of the surrounding environment. This is of utmost importance in the oil industry, as any environmental damage can have severe consequences and lead to significant financial and reputational losses.

In addition to their structural and environmental benefits, seamless carbon steel API 5CT J55/K55/N80/L80 oil casing tubes with BTC thread also offer cost advantages in the oil industry. The seamless construction of these tubes reduces the need for Maintenance and repairs, resulting in lower operational costs. Furthermore, their High strength and durability ensure a longer service life, reducing the frequency of tube replacements and