西安石油大学学报（自然科学版）2011，Vol.26Issue(4)：28-32,5.
二氧化碳非混相驱油藏沥青质沉淀规律研究
摘要
Abstract
Oilfield practices indicate that carbon dioxide flooding may cause the precipitation of asphaltene, which will decrease the permeability of reservoir,the productivity of oil well and the result of reservoir development. Therefore,it is very important to understand the rules of asphaltene precipitation during carbon dioxide flooding. The effects of displacement pressure,temperature,original core permeability,original asphaltene content in crude oil and displacement rate on the precipitation amount of asphaltene are studied by self-designed experimental device and by means of orthogonal experiment method. The regression formula for calculating the precipitation a-mount of asphaltene is obtained,and it is verified by experimental results. The verified result shows that the regression formula can be used for predicting the precipitation amount of asphaltene in the immiscible displacement of carbon dioxide.关键词
二氧化碳驱油/沥青质沉淀/沥青质沉淀预测Key words
carbon dioxide flooding/asphaltene precipitation/asphaltene precipitation prediction分类
能源科技引用本文复制引用
何岩峰,李栋,胡杰,郭立春..二氧化碳非混相驱油藏沥青质沉淀规律研究[J].西安石油大学学报（自然科学版）,2011,26(4):28-32,5.基金项目
中国石油科技创新基金研究项目“CO2驱油藏原油沥青质沉淀影响因素研究”(编号:2008D-5006-02-07). （编号:2008D-5006-02-07）
