天然气地球科学

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致密低渗砂岩储层定量评价方法

张广权,胡向阳,陈舒薇   

  1. 中国石化勘探开发研究院,北京 100083
  • 收稿日期:2016-09-13 修回日期:2016-10-16 出版日期:2016-12-10 发布日期:2016-12-10
  • 作者简介:张广权(1979-), 男,河北沧州人,高级工程师,硕士,主要从事石油与天然气开发研究.E-mail:zhanggq.syky@sinopec.com.
  • 基金资助:
    中国石化油田部开发先导项目“大牛地气田未动用探明储量区选区评价”(编号:G5800-08-ZS-YTB029)资助.

Quantitative evaluation method of tight sandstone reservoir with low permeability

Zhang Guang-quan,Hu Xiang-yang,Chen Shu-wei   

  1. Research Institute of Petroleum Exploration & Production,SINOPEC,Beijing 100083,China
  • Received:2016-09-13 Revised:2016-10-16 Online:2016-12-10 Published:2016-12-10

摘要: 针对越来越复杂的致密低渗砂岩储层评价存在的问题和难点,综合静态资料和动态资料的定性、定量参数,提出一套针对致密低渗储层的综合定量评价方法,进行系统的、全面性的分析,其储层的定量评价结果可直接运用于生产中,该方法在油气田开发、评价中具有重要的意义。该方法总体思路是首先选择评价指标、并对评价指标进行标准化,然后赋予每个评价指标一定的权重系数,通过储层综合评价系数计算和储层类型划分,结合储层经济界限,确定储层评价标准,进行储层综合定量评价,优选有利区带,为井位部署及产能建设提供依据。利用该方法在鄂尔多斯盆地某气田开展储层综合定量评价,优选有利区部署井位,经新实钻井验证,吻合率较好,在该气田的产能建设中起到了至关重要的作用。

关键词: 致密低渗储层, 定量评价, 评价指标, 储层类型

Abstract: In view of the existing problems and difficulties of evaluation of tight sand reservoirs with low permeability,by using the qualitative and quantitative parameters of static and dynamic data,this paper proposed a comprehensive quantitative evaluation method for the low-permeability reservoir.With this method,this study carries out a comprehensive analysis of the system,which has great significance on the evaluation of oil and gas field development in the quantitative evaluation of the reservoir and is directly used in production.The general idea is selecting the evaluation index,standardization of evaluation indexes,then the weight coefficient of each evaluation index,the comprehensive reservoir evaluation coefficient calculation and reservoir classification,combined with reservoir economic boundaries,determining the reservoir evaluation standard.The result is used to optimize the favorable zone and provide the basis for well deployment and capacity building and the method is used to perform the reservoir evaluation of X gasfield in the Ordos Basin.Based on the favorable zone,well deployment was carried out.Through the verification of the effective drilling catching rate of the new drilling,it is good anastomosis.The application of this method plays an important role in the productivity construction of the gasfield.

Key words: Tight low permeability , Quantitative evaluation, Evaluation index, Reservoir types

中图分类号: 

  • TE122.2+4
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