The optimization models of horizontal wells with separated production scheme
Received:March 29, 2008  
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DOI:10.7511/jslx20102028
KeyWord:horizontal well  separated production scheme  horizontal section length  optimization design  genetic algorithm
     
AuthorInstitution
刘珊 中国石油大学华东,东营
同登科 中国石油大学华东,东营
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Abstract:
      Based on the separated production scheme of horizontal well, the pressuer transient performance of horizontal wells has been researched, including three boundaries: no flow boundary, constant pressure boundary, and bottom water-drive boundary. And three new optimization models that takeing the length and location of horizontal intervals as research objects are built. These new optimization models are solved by using genetic algorithm. Then a practical optimum distribution for intervals was given. The change rules of production are discussed when the parameters of the models change. The plots of type curves are given, and the results have important practical significance for the separated production scheme of horizontal well.