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本文研究了大港油田孔店原油在不同离子强度条件下的碱水溶液中自发乳化的性能;提出了用离子强度衡量乳化能力的经验标准;探讨了一价、二价离子及地层水矿化度对碱水驱油中乳化性能的影响;提出了碱水驱油的机理。
In this paper, the properties of spontaneous emulsification of the crude oil of Kongdian in Dagang Oilfield under alkaline solution with different ionic strength were studied. An empirical criterion for measuring the emulsifying ability by ionic strength was proposed. The effects of monovalent, divalent ions and formation water salinity Alkali flooding oil emulsification performance; proposed alkali water flooding mechanism.