低—特低渗透油藏注水井吸水能力变化规律研究
Special Oil & Gas Reservoirs(2009)
Abstract
结合新立油田注水开发矿场实际,通过对影响低-特低渗透油藏注水井吸水状况因素的研究与分析,系统阐述注水井吸水能力与储层渗透率、地层压力、注水压力及含水等指标之间的关系,研究了注水井吸水厚度与注水压力的关系,总结出不同类型注水井吸水指数变化规律和产生原因,并对裂缝性低-特低渗透油田注水开发中合理的注水调控政策提出了建议。
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Key words
low-extra low permeability reservoir,injectivity coefficient,Xinli Oilfield,threshold pressure,water-in-take thickness,water injector
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