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Effect of solid particle on quality of oilfield produced water
ZHU Wei
(Shengli Engineering Design and Consulting Limited Company of Skengli Oilfield, SIN OPEC y Dongying 257026, China)
Abstract:
The effects of solid particle on the quality of Shengli Oilfield produced water were studied by measuring interfacial tension, interfacial shear viscosity, zeta potential between oil and water. And oil content and solid content were also measured in different conditions, such as mineralization and pH in the produced water. Tlie results show that the interfacial tension and zeta potential increase in the solid system of produced water. With the concentration of solid particle increasing, oil content decreases and solid content increases in the produced water, and the interfacial shear viscosity between oil and water increases. The suspension stability increases in the solid system of produced water.
Key words:  Shengli Oilfield  produced water  stability  oil content  solid content  interfacial property