CO2吞吐候选油藏筛选综合评价方法  

Integrated evaluation method of CO_2 injection stimulation in screening candidate reservoirs

作　　者：杨军[1] 张烈辉[1] 熊钰[1] 刘娅[2] 钟成冬[3] 

机构地区：[1]西南石油大学油气藏地质及开发工程国家重点实验室,四川成都610500 [2]西南石油大学研究生院,四川成都610500 [3]新疆油田公司采油一厂,新疆克拉玛依834000

出　　处：《断块油气田》2008年第3期62-64,共3页Fault-Block Oil & Gas Field

基　　金：教育部博士点基金项目(20040615004);中国石油天然气股份有限公司科技风险创新研究项目“二氧化碳地下埋存及提高采收率候选油藏筛选综合评价模型研究”;四川省学术和技术带头人培养基金项目(2200320);高等学校优秀青年教师教学科研奖励计划项目(TRAPOYT)联合资助

摘　　要：CO2单井吞吐工艺增油技术是一种提高低渗透、复杂小断块油藏采收率的有效方法。目前CO2吞吐候选油藏的筛选和评价方法还不是很成熟。通过详细地分析影响吞吐效果的油藏因素,建立了相应的筛选指标体系及量化方法,采用模糊综合评价方法对候选吞吐地层进行适应性评价。此方法能综合反映各油藏参数对CO2吞吐增产工艺的适宜度,并对4个实例油藏进行了多指标的综合评价,结果表明该方法是有效的、合理的。CO2 single well injection stimulation technology is an effective method for improving recovery in some small fault block oilfields with low permeability. But for the moment it is not fully mature in screening and evaluating the candidate reservoirs for CO2 injection stimulation. Through analyzing the effect of reservoir factors on the injection stimulation impact in detail, this paper has built up the corresponding screening guidelines and quantifying method, and adopts the fuzzy integrated evaluation method to evaluate the flexibility of the candidate injection stimulation reservoirs. It can synthetically reflect the fitness of each reservoir factor for the CO2 injection stimulation technic. The pplication in four practical reservoirs indicates that it is an effective and reasonable method.

关 键 词：CO2吞吐 筛选指标 模糊数学 综合评价 

分 类 号：TE357.45[石油与天然气工程—油气田开发工程]