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Advantages and application of titanium alloy oil well pipe

In the petroleum industry, oil well pipe plays an important role, and its quality and performance have a significant impact on the development of the petroleum industry. Oil and gas exploration and development need to consume a lot of oil well pipes. In recent years, China consumes nearly 3 million tons of oil well pipes every year, costing tens of billion yuan. [1]

The environment in the oil well is very bad. The oil well pipe needs to bear hundreds or even thousands of atmospheres of internal or external pressure, hundreds of tons of tensile load, as well as the influence of high temperature and corrosive media. Once the oil well pipe is damaged, it may directly lead to the abandonment of oil and gas wells. It is necessary to know that the cost of an oil and gas well in the western oilfield of China is as high as tens of millions or even hundreds of millions of yuan, so the safety and reliability of the oil well pipe has a great impact on the development of the petroleum industry.

20210414082101 45860 - Advantages and application of titanium alloy oil well pipe

The application of titanium alloy in oil well pipe can be said to give full play to its advantages, greatly reducing the probability of oil well pipe damage and the cost of oilfield development.

Advantages of titanium alloy used as oil well pipe material

Excellent corrosion resistance

Titanium alloy has better corrosion resistance than stainless steel, especially strong resistance to pitting corrosion, acid corrosion and stress corrosion, and insensitive to hydrogen induced cracking, which can meet the needs of oil well pipes under certain high temperature and high pressure conditions.

Good physical properties

Titanium alloy has low density and high strength, which can effectively reduce the structural weight, reduce the string stress and improve the mechanism load; titanium alloy is non-magnetic, which is more conducive to downhole operation; titanium alloy has excellent durability, fracture resistance and high temperature resistance, and its fatigue life is more than 10 times that of ordinary steel, which is of great significance for tubing, drill pipe, marine riser and ultra deep well.

High economy

After 2000, the output of titanium sponge and titanium alloy in China has increased significantly. At the same time, the price of titanium sponge has dropped rapidly since 2005. Now is a good time to research and develop titanium alloy oil well pipes.
At present, the oil well tubes used for oil exploitation in China are basically made of nickel based alloy materials, but the nickel resources in China are relatively poor, mainly relying on imports, and the cost is high. In the long run, it is more conducive to reduce the cost of oilfield development to develop titanium alloy oil well pipe instead of nickel based alloy pipe. [2]

Application status of titanium alloy oil well pipe in China

The research and application of titanium alloy tubing in petrochemical industry has been carried out abroad in the 1980s. However, due to the late start in China, the application of titanium alloy tubing is still in the initial stage, and only a few research institutes and manufacturers are carrying out development and research.
The application of titanium alloy in oil well pipe is very advantageous. China also attaches great importance to titanium alloy oil well pipe. The development prospect of titanium alloy oil well pipe will be very broad.

Source: Network Arrangement – China Titanium Pipe Manufacturer – Yaang Pipe Industry Co., Limited (

(Yaang Pipe Industry is a leading manufacturer and supplier of nickel alloy and stainless steel products, including Super Duplex Stainless Steel Flanges, Stainless Steel Flanges, Stainless Steel Pipe Fittings, Stainless Steel Pipe. Yaang products are widely used in Shipbuilding, Nuclear power, Marine engineering, Petroleum, Chemical, Mining, Sewage treatment, Natural gas and Pressure vessels and other industries.)

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Please notice that you might be interested in the other technical articles we’ve published:


  • [1] Yang Xiuqin. Supply and demand situation and development of oil well tubing in China [J]. Metal world, 2012 (3): 1-10
  • [2] Song Shengyin, Liu Qiang, Guo Shujun. Research and development of titanium alloy oil well pipe [J]. China shipbuilding, 2017 (58): 482
  • [3] Liu Qiang, song Shengyin, Li Dejun, et al. Research progress on corrosion resistance and application of titanium alloy oil well pipe [J]. Petroleum field machinery, 2014 (12): 88-94


  • In the acid environment containing hydrogen sulfide, the cracking of I pipe is called hydrogen induced cracking.


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