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  • 标题:Estimation of gas losses based on the characteristic of the state of wells of dashava storage
  • 本地全文:下载
  • 作者:Andrij Olijnyk ; Oksana Chernova
  • 期刊名称:Eastern-European Journal of Enterprise Technologies
  • 印刷版ISSN:1729-3774
  • 电子版ISSN:1729-4061
  • 出版年度:2017
  • 卷号:6
  • 期号:8
  • 页码:25-32
  • DOI:10.15587/1729-4061.2017.116806
  • 语种:English
  • 出版社:PC Technology Center
  • 摘要:In the present research, it is proposed to use the methods of mathematical modeling of filtering flow taking into account a special type of boundary conditions, characteristic for underground storages, peculiarities of geometry and variable characteristics of permeability of the medium, viscosity and density of fluid.The specified models found numerical implementation using the over-relaxation method for the Dirichlet problem with a special type of boundary conditions.As a result of the performed calculations, it was found that regardless of the model of filtering flow and the number of zones of fluid penetration through the boundary zone, the impact of existence of these zones is tangible only in the vicinity of these zones, i. e. existence of outflows on the height of the well’s area almost does not affect parameters of the stream at the bottom of this area, the difference in the calculation results is less than 0.5 %. This makes it possible to conclude that detection of the outflow coordinate, as well as of the fact of its existence, is impossible within the Darcy and Forchheimer models
  • 关键词:underground storage;modeling of processes;development wells;gas cross-flow;filtering process
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