Abstract : the drilling wire rope of a rig ' s hoisting system suddenly brokeduring drilling process , cause serious damage of equipment.
文摘：钻机提升系统的钻井钢丝绳在油田钻井过程中突然断裂，造成设备顿钻事故。
The drilling wire rope of a rig's hoisting system suddenly broke during drilling process, cause serious damage of equipment.
钻机提升系统的钻井钢丝绳在油田钻井过程中突然断裂，造成设备顿钻事故。
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