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利用注烃气混相驱分析低渗透油藏井间连通性
引用本文:王传飞. 利用注烃气混相驱分析低渗透油藏井间连通性[J]. 科学技术与工程, 2012, 12(33): 8844-8848,8865
作者姓名:王传飞
作者单位:1. 中国石化股份胜利油田分公司地质科学研究院,东营,257015
2. 中海石油(中国)有限公司湛江分公司研究院,湛江,524057
3. 中国石油大学(华东)石油工程学院,青岛,266580
摘    要:油藏井间连通性是进行油藏评价的重要内容,是编制实施提高采收率方案的基础性工作。冀东油田高13断块属于低渗透油藏,油藏条件和流体性质都比较适宜注烃气混相驱。为了先期评价油藏连通性和非均质状况,提出了一种利用注烃气混相驱来判断低渗透油藏井间连通性的一种新方法。该方法基础理论扎实,计算步骤简单,并通过生产井动液面与注采波动数据进行了结果验证。结果表明,该方法能够比较准确有效地评价区块井间连通性,客观反映了油藏非均质性,为后期的注烃气混相驱提高采收率方案制定、实施提供指导。

关 键 词:提高采收率  连通性  烃气驱  低渗透
收稿时间:2012-07-22
修稿时间:2012-07-22

Inferring Interwell Connectivity of Low Permeability Reservoir with Hydrocarbon Gas Miscible Flooding
wangchuanfei. Inferring Interwell Connectivity of Low Permeability Reservoir with Hydrocarbon Gas Miscible Flooding[J]. Science Technology and Engineering, 2012, 12(33): 8844-8848,8865
Authors:wangchuanfei
Affiliation:3(Geoscience Research Institute,Shengli Oilfield Company Ltd,Sinopec 1,Dongying 257015,P.R.China;Research Institute of Zhanjiang Branch Company,CNOOC 2,Zhanjiang 524057,P.R.China;College of Petroleum Engineering,China University of Petroleum 3,Qingdao 266580,P.R.China)
Abstract:Reservoir interwell connectivity is very important for reservoir evaluation and is the basic job to draw up EOR program. Gao 13 block in Jidong oilfield is a kind of low permeability reservoir, which is fit for hydrocarbon gas miscible flooding according its reservoir conditions and fluid properties. In order to assess the interwell connectivity and the heterogeneity, this paper has put forward a novel method for inferring intervwell connectivity of low permeability with hydrocarbon gas miscible flooding. This method has solid theory and simple calculation steps. In addition, it is verified by the fluid level and the injection-production rate fluctuations. The results show that this method can assess the interwell connectivity accurately and effectively, objectively reflecting the reservoir heterogeneity for the guidance of hydrocarbon gas miscible program draw-up and implement for the future.
Keywords:EOR   interwell connectivity   hydrocarbon gas   low permeability
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