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Comparative Studies on Friction and Wear Performance between Glass-fiber Reinforced Polyamide 66 Composite and Ductile Irons on Ceramic Al2O3 Counterface in Sucker Rod Centralizer Application

“…However, the complex work conditions such as high temperature, high multiphase flow, pH value, ion concentrations and partial-wear between the tube and sucker rod associated with increasingly prevalent applications in deviated and horizontal oil wells, make the corrosion and partial-wear for both tube and sucker rod very serious in oil well. For a long time, enormous efforts have been made to understand the corrosion behavior and estimate the workability of various tube steels in acid environment containing CO 2 , H 2 S. 1,2) Most of metallic tube materials such as J55, N80 and P110 steels, which are relatively cheap materials and have been widely used for tube in oilfield through the world, display unsatisfactory performance under conditions of high corrosion and heavy wear in the oil well. 3,4) Engineering ceramics is known worldwide because of its high operating temperature, corrosion resistance and wear resistance.…”