What 's the cause of oil pipe corrosion?

　　Many main oilfields in China have entered the development period of medium and high water cut. With the continuous rise of comprehensive water cut, the corrosion of oil and gas collection system is becoming more and more serious. Corrosion has become a key factor affecting the reliability and service life of the pipeline system, which is the main cause of China Supplier Oil Casing Drilling Pipe Black Steel Tube and Pipe. Due to the existence of a large number of corrosive substances in crude oil, such as CO2, H2S, Cl -, a small amount of dissolved oxygen and bacteria, affected by all these factors and their interaction, the oil pipe will inevitably suffer serious corrosion, and the safety production of the oil field will be seriously threatened.