稠油油藏过渡带油水分布规律及布井界限
Petroleum Geology and Recovery Efficiency（2016）
Abstract
稠油油藏油水过渡带相对较宽,开发潜力较大,井网部署空间较大.但是,受经济技术条件限制,难以在过渡带有效布井,过渡带井网控制程度低,储量难以得到有效动用.通过定量研究粘度对油水过渡带分布的影响,分析稠油油藏油水过渡带含油饱和度分布及油井产出规律.在此基础上,考虑经济因素的影响,提出确定油水过渡带油井投产经济技术界限的方法,并基于油田特点和开发要求,建立W油藏油井投产经济技术界限图版.该图版便于指导W油藏油水过渡带加密调整井的有效部署.
MoreKey words
heavy oil reservoir,oil-water transition zone,viscosity,capillary pressure curve,saturation distribution,incoming and outgoing balance method,economic and technical limits
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