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《Well Logging Technology》 2009-01
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Function Mechanism of Top Pack in Complex Perforation

ZHAO Xu1,LIU Gong-hui1,2(1.MOE Key Laboratory of Petroleum Engineering,China University of Petroleum,Beijing 102249,China; 2.Beijing Union University,Beijing 100010,China)  
Studied is fracturing charge burning mechanism under the condition of top packer and influence factors of top packer in complex perforation.According to different distances of packer positions to function formations,we divide the top packer into near function formation packer and far function formation packer,based on which established is a mathematical model to calculate the force that acts on packer according to the packer characteristic respectively.Last,through an example computation and further analysis,the results show that the near function formation packer is comparatively suitable to less quantity of fracturing charge,when the quantity of fracturing charge is much more,we should use the far function formation packer,moreover,we should carefully consider the reasonable packer location so to ensure the fracturing effect consistent with the theoretical design.
【Fund】: 教育部长江学者和创新团队发展计划项目(IRT0411)资助
【CateGory Index】: TE257.1
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