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无电缆射孔
oil tubing conveyed perforation; tubing conveyed perforating
无电缆射孔有/无电缆射孔是按照起爆系统激发方式加以区分的射孔工艺的,而起爆系统的激发方式有:电激发、电磁激发、光激发、机械撞击激发、压力激发等，采用光、机械撞击、压力等非电方式激发,不需要电缆的射孔作业就称为无电缆射孔
expl. cable free perforation

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