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Help CenterSeamless Oil Tubing 1.315" - Seamless Oil Tubing - Casing Coupling Manufacturer
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N80 1.315 EU Tubing Nipples Manufacturer
Seamless Oil Tubing 1.315" - Seamless Oil Tubing - Casing Coupling Manufacturer Tianjin Grand Victory Petroleum Equipment Co,.ltd.
Tianjin TP110SS Oil Casing, TP80S Oil Steel Pipe, and P110SS Anti-sulfur Casing Steel for P110S Oil Casing/Anti-sulfur Oil Steel Pipe? In oil field downhole pipelines, it can effectively prevent H2S corrosion according to different terrains, extend the service life of pipes, and effectively reduce the operating costs of oil fields.?
(1) The corrosion rate of anti-sulfur casing steel P110SS in gas fields with high levels of H2S/CO2 first decreases and then increases with the rise of temperature and the partial pressure of H2S/CO2. Under the middle well conditions, the corrosion product film on the surface of the specimen shows obvious shedding, which helps to reduce the strong galvanic action of Fe sulfide and makes the corrosion rate the lowest.
(2) Temperature, CO2 partial pressure, H2S partial pressure, and the corrosion product film jointly affect the electrochemical corrosion rate of P110SS.
(3) Under gas field conditions, when the external load is 90% of the yield strength, no cracks were found on the surface of the specimens of anti-sulfur casing steel P110SS, and the SSC sensitivity is relatively low. Seamless Oil Tubing 1.315" - Seamless Oil Tubing - Casing Coupling Manufacturer Tianjin Grand Victory Petroleum Equipment Co,.ltd.
Gas-tight threads have also been introduced in China. While ensuring tensile strength, they improve the sealing performance of the tubing thread connections and prevent thread corrosion and fracture.
(1) According to the provisions of SY/T6194-96, the casing and its coupling should be of the same steel grade. The sulfur content is less than 0.045%, and the phosphorus content is less than 0.045%. (2) Chemical analysis samples are taken in accordance with the provisions of GB222-84. Chemical analysis is carried out in accordance with the relevant parts of GB223. (3) As stipulated by the 1988 edition of the American Petroleum Institute ARISPEC5CT, chemical analysis is performed according to the sampling method of ASTME59 and the analysis method of ASTME350.
Seamless Oil Tubing 1.315" - Seamless Oil Tubing - Casing Coupling Manufacturer Tianjin Grand Victory Petroleum Equipment Co,.ltd.
The company has a long-term inventory of commonly used 2-3/8", 2-7/8", 3-1/2" tubing couplings - tubing nipples. It also stocks a certain amount of L80-13Cr oil plain pipes.
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