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Issue:ISSN 1006-5539
          CN 51-1183/TE

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The Casing Stress Analysis Of The Finite Element Simulation Under The Condition Of The Upper Packer Water Injection
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Key Words:water injection Casing Failure Equivalent Stress Finite Element
Abstract:in order to define the influence of casing deformation by the upper packer water injection, solve the problem of water wells flooding pressure rising after some blocks of Qian An oilfield carry out layered water injection job,more severe casing failure appears at the same time; carried out research of casing failure problem caused by the upper packer water injection mode.With finite element software simulation analysis the equivalent stress of the casing by the upper packer water injection mode, obtaining distribution of equivalent stress of the casing under the condition of this water injection mode.According to the calculation results,we put forward the performance requirements of the casing by the upper packer water injection mode, and matters needing attention in construction of water injection process.
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