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Drilling
containing
成形的
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all forms
Chinese
English
井涌的形成
kick buildup
关闭井口套管头闸门形成的挤压压力
bradenhead squeeze pressure
形成凝胶的
gel forming
成角形的
angled
滚成
泥
球形的钻头
balled up bit
钻进时钻头齿在井底形成的凹坑
crater
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