渤海L油田早期注聚效果评价方法研究  

New Evaluation Method of Early Polymer Flooding in L Offshore Oilfield

作　　者：沈思[1] 王锦林[1] 王宏申[1] 李芳[1] 朱洪庆[1] 易飞[1] 翁大丽[1] 

机构地区：[1]中海油能源发展股份有限公司工程技术分公司,天津300452

出　　处：《科学技术与工程》2015年第1期210-214,共5页Science Technology and Engineering

基　　金：国家科技重大专项(2011ZX05024-002-001)资助

摘　　要：目前对于早期注聚效果的评价没有成熟的方法,增油降水的效果基本依靠动态分析方法评价,由于早期注聚与晚期注聚有很大不同,造成动态分析方法在评价早期注聚效果方面存在很大的局限性。现引入一种早期注聚效果评价的新方法,运用数值模拟技术对渤海L早期注聚效果进行全面的评价,建立高精度历史拟合的数值模型,并建立假想的水驱模型,使之与实际模型对比,结果表明,通过数值模拟法计算的增油量与动态分析法相比更加精确,原因是数值模拟法排除了各种措施带来的干扰,且考虑了油田的递减规律。另外建立了不同含水时机注聚的模型,通过分析认为,目前渤海L油田实行的早期注聚在各方面相较其他含水时机注聚具有很大优势。There is still no reliable way to evaluate the effect of early polymer flooding.Usually dynamic analysis is used to evaluate polymer flooding.But it is not suitable for early polymer flooding because it is different with ordinary polymer flooding.A new evaluation method using numerical simulation was introduced.High accuracy history matched field-scale model and hypothetical water flooding model were built separately to do the comparison.It showed that,numerical simulation as an early polymer flooding evaluation method is more convenient and accurate than dynamic analysis.The reason is that the effect of well stimulation and decline is eliminated.Besides,models with different injection time were built and calculated.It showed that early polymer flooding is the optimal way to develop L oilfield,contrasting with late polymer flooding.

关 键 词：早期注聚 数值模拟 增油量 注聚时机 

分 类 号：TE343[石油与天然气工程—油气田开发工程]