The solid expandable tubular technology has been successfully applied in commercial application at abroad, and has obtained compelling achievement.
膨胀套管技术在国外已成功地用于商业应用，并取得了令世人瞩目的成绩。
When the early expansion cone is used to expand solid expandable tubular, the great axial force will be needed and the length of the tube will be reduced considerably.
早期的膨胀锥在应用于实体管膨胀时，不但需要较大的轴向力，而且存在套管膨胀后的轴向尺寸会有较大的减小等难题。
Conventional connector for casing string can't meet the demand of seal and connection in solid expandable tubular and presented a new thread structure for an expandable casing connector.
传统的套管接头不能满足连接与密封要求，并设计出了一种新型的膨胀连接螺纹结构。
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