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casing centralizer
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casing centralizer
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工学
套管程序
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casing centralizer
套管扶正器
安装在套管本体上,能够使套管居于井眼中心,用以减小套管下放时的阻力和发生黏卡,有利于提高水泥浆的顶替效率和水泥环厚度分布均匀的装置。
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