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超稠油油藏水平井蒸汽吞吐开发合理界限研究
引用本文:陈民锋,郎兆新,莫小国.超稠油油藏水平井蒸汽吞吐开发合理界限研究[J].特种油气藏,2002,9(2):37-41.
作者姓名:陈民锋  郎兆新  莫小国
作者单位:1. 石油大学石油工程系,北京,昌平,102200
2. 中石化中原油田分公司勘探开发研究院,河南,濮阳,457001
摘    要:为在经济、技术允许的条件下,合理地开发超稠油油藏,增加可利用的储量资源。本文应用物理模拟,数值模拟方法,研究了达9块超稠油的流体组成,粘温关系和油藏渗流特征,以及超稠油水平井蒸汽吞吐注汽工艺参数对开采效果的影响,考虑经济因素的影响,建立蒸汽吞吐开采目标优化函数,提出开发超稠油油藏的合理工作制度和技术经济界限,研究认为,在实施超稠油水平井蒸汽吞吐时,应采取注高温,高干度,高强度的蒸汽和短周期,多周次的工作制度,同时在完井方式和注采工艺等方面采取配套措施,才能取得一定的效益,研究结果为该类油藏的热采开发提供了可靠的依据。

关 键 词:超稠油油藏  水平井  蒸汽吞吐开发  合理界限  研究  优选
文章编号:1006-6535(2002)02-0037-05
修稿时间:2001年11月5日

Study on rational threshold of cyclic steam stimulation with horizontal well in extra-heavy oil reservoir
CHEN Min feng\,LANG Zhao xin\,MO Xiao guo\.Study on rational threshold of cyclic steam stimulation with horizontal well in extra-heavy oil reservoir[J].Special Oil & Gas Reservoirs,2002,9(2):37-41.
Authors:CHEN Min feng\  LANG Zhao xin\  MO Xiao guo\
Affiliation:CHEN Min feng\+1,LANG Zhao xin\+1,MO Xiao guo\+2
Abstract:In order to rationally develop extra heavy oil reservoir and increase available reserve resources, extra heavy oil block Da 9 has been studied for fluid composition, viscosity temperature relation and reservoir percolation through physical and numerical modeling. Effect of steam injection parameters on recovery is also studied for cyclic steam stimulation in horizontal well of extra heavy oil reservoir. With consideration of economic factors, optimum function of recovery by cyclic steam stimulation has been established, and rational operation institution and technical, economic threshold for developing extra heavy oil reservoir are given. This study shows that during cyclic steam stimulation for extra heavy oil, operation institution should be to inject steam of high temperature, high quality and high intensity at short and multi cycles; in the same time, matching measures of well completion and injection and production techniques should also be taken. The result of this study provides reliable basis for thermal recovery of this type of reservoirs.
Keywords:extra  heavy oil reservoir  horizontal well  cyclic steam stimulation  rational threshold  optimization  block Da 9  
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