Design and Practice of FPSO Oily Sludge Treatment Process in Offshore Oilfields
In oil extraction engineering,influenced by geological factors and mining systems,oil wells inevitably produce mud and sand.After entering the oilfield terminal FPSO,the mud and sand deposit due to a decrease in flow rate,forming oily sludge.According to the current situation of FPSO oily sludge treatment in a certain oilfield in Bohai,the source and composition of oily sludge are analyzed.Based on the special environment of offshore oil fields,the treatment direction of"electric heating and heat exchange+high-frequency demulsification centrifugal fine separation+dosing/flotation,screw and laminated water treatment concentration"is proposed,and the centrifugal treatment process parameters are optimized,in order to provide a reference for the treatment of oily sludge in offshore oilfields.
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