稠油油藏过渡带油水分布规律及布井界限  

Water and oil distribution law and limits for well pattern in the oil-water transition zone of heavy oil reservoir

作　　者：吴丽[1] 陈民锋[1] 乔聪颖 李晨辰[1] 

机构地区：[1]中国石油大学(北京)石油工程学院，北京102249

出　　处：《油气地质与采收率》2016年第3期77-82,共6页Petroleum Geology and Recovery Efficiency

基　　金：国家"973"计划"致密油高效开发油藏工程理论与方法研究"(2015CB250905)

摘　　要：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。The oil-water transition zone of heavy oil reservoir is relatively wide,which has considerable amount of remaining oil and great development potential. However,restricted by economic and technical conditions,it is hard to build up thewell pattern and produce reserves effectively for low control degree of well pattern. Through quantitative study of the influence of viscosity on the distribution in oil-water transition zone,the oil saturation distribution of the oil-water transitionzone and oil-producing law of oil wells in the heavy oil reservoir were analyzed. Based on this,considering the influence ofeconomic factors,a method of determining economic and technical limits of oil well production in the oil-water transitionzone was proposed. According to practical oilfield characteristics and development requirements,economic and technicallimits chart of the oil well production in W oil reservoir were established. The chart will provide guidance to the effectivedisposition of infilled adjustment well in the oil-water transition zone of W oil reservoir.

关 键 词：稠油油藏 油水过渡带粘度 毛管压力曲线 饱和度分布收支平衡法经济技术界限 

分 类 号：TE345[石油与天然气工程—油气田开发工程]