Many factors can influence stability of well wall in the area of petroleum drilling engineering.
在石油钻井工程中，影响井壁稳定性的因素较多。
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。
The paper described the realization of the" well-wall stability" synthesizing analysis methods and computer aid analysis software in the beach area.
描述了关于滩海地区“井壁稳定”的综合分析方法及计算机辅助分析软件的实现。
The paper described the realization of the "well-wall stability" synthesizing analysis methods and computer aid analysis software in the beach area.
描述了关于滩海地区“井壁稳定”的综合分析方法及计算机辅助分析软件的实现。
It is not affected by the well-wall and surrounding strata and may differentiate accurately between seawater and fresh water.
它不受井壁和用围岩层的影响，可准确地划分出咸淡水分界面。
It is not affected by the well-wall and surrounding strata and may differentiate accurately between seawater and fresh water.
它不受井壁和用围岩层的影响，可准确地划分出咸淡水分界面。
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