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Interfacial properties of Daqing crude oil-alkaline system |
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| Authors: | LIN Mei-qin XU Xue-qin LV Jing Zong Hu LI Ming-yuan and DONG Zhao-xia |
| Affiliation: | LIN Mei-qin~1,XU Xue-qin~1,LV Jing~2,Zong Hua~3,LI Ming-yuan~1 and DONG Zhao-xia~1 1 Enhanced Oil Recovery Research Center,China University of Petroleum,Beijing 102249,China 2 Research Institute of Petroleum Exploration & Development,PetroChina,Beijing 100083,China 3 Shengli Engineering & Consulting Co.,Ltd.,SINOPEC,Dongying,Shangdong 257026,China |
| Abstract: | The oil/water interfacial properties of crude oil emulsions formed by alkaline/surfactant/ polymer(ASP) flooding in the Daqing Oilfield were investigated in this paper by the measurement of interfacial tension,interfacial shear viscosity and Zeta potential of the oil/water system.The result showed that both NaOH and Na_2CO_3 could react with acid substances in the crude oil to produce interfacially active components,which are adsorbed on the interfaces between the aqueous phase and oil phase, resulting in a... |
| Keywords: | Alkali interfacial tension interfacial shear viscosity Zeta potential turbidity |
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