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Special Issues in the Stress Analysis of Casing Strings in Steam-Injection Wells: Mathematical Development and Design

机译:蒸汽注入井套管柱应力分析中的特殊问题:数学发展与设计

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This paper presents a mathematical model of casing strings subjected to thermal loads in steam injection wells. The model includes the effects of temperature on material properties and the effects of wellbore curvature and pre-stress during the heating cycle. Several counter-intuitive aspects of the casing stress state during cooling/unloading are examined. Example calculations are used throughout to illustrate key insights.
机译:本文介绍了在注蒸汽井中承受热负荷的套管柱的数学模型。该模型包括温度对材料特性的影响以及加热周期中井眼曲率和预应力的影响。考察了冷却/卸载过程中套管应力状态的一些与直觉相反的方面。全文使用示例计算来说明关键见解。

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