By using elastic stability theory and in combination with field work,a method in calculating space when installing sucker rod lifter is worked out and an example is provided.

• 运用纵横弯曲梁及弹性稳定理论,结合工程实际,分析得出了在全井各种井段合理安装抽油杆柱扶正器间距的计算方法,并给出了计算实例。