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对短半径水平井造斜工具双弯马达的弯曲变形特性进行分析，给出了其弯曲变形与井壁压力、井眼几何尺寸的关系，讨论了在井眼内的下入问题。
The bending deformation characteristics of double curved motor with short radius horizontal well are analyzed. The relationship between bending deformation and wellbore pressure and wellbore geometry is also discussed.