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principle of explosive sizing
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expl.
爆炸整形原理
将爆炸整形弹用管柱或电缆输送到井下预定的整形复位〈扩径〉井段后,经校深无误后投撞击棒或电缆车接通电源,引爆雷管和炸药,炸药爆炸产生的高温高压气体及强大的冲击波在套管的介质中〈修井液、水或油水混合液等〉传播。当冲击波和高温高压气体达到套损部位套管内表面时,则产生径向向外的压力波,这种压力波使套损井段的套管向外扩张,从而达到整形复位的目的
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