【Key words】 Thermal Recovery Well; Casing; Strength; Wellbore temperature field; Earth stress; Thermal Stress;
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Using thermal elastic mechanics illustrate changing of stress field caused by temperature changing of well wall and describe the change of temperature effect on stability of wellbore.
应用热弹性力学方法求解井壁由于温度变化而导致的应力场变化,并定量地给出温度变化对井壁稳定的影响,对深井安全施工有一定指导意义。
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