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中文摘要：
针对目前国内对低渗透油藏超前注水影响因素没有分析研究的现状，及开展该研究需考察较多因素且这些因素又相互影响的实际情况，采用正交试验方法，研究了地饱压差、渗透率、原油粘度、压力系数、井距和注水时间等6种因素对低渗透油藏超前注水效果的影响。通过多因素极差分析发现，超前注水对采出程度、单井日产油和总产油影响不大，对单井日注水、总注水影响较大；渗透率是控制采出程度、产油量和注水量的主导因素。
英文摘要：
Considering that the analysis of the parameters affecting the advance water injection in lowpermeability reservoir does not exist in China, the orthogonal experiment method was used to investigate the effect of pressure difference between reservoir and saturation, permeability field, fluid viscosity, pressure coefficient, well spacing, injection time on advance water injection. The result indicates that advance water injection has slight effect on reservoir recovery, well＇s oil production rate per day and total oil production; has higher effect on well＇s injection rate per day and total injection. And permeability is the key parameter controlling the recovery, oil production and water injection.
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