... casing packer 套管封隔器 casing patch tool 套管补孔器 casing patch 套管补贴 ...
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lead seal casing patch tool 铅封式套管修补器
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A tool that is used to patch damaged casing.
用于补贴被损坏的套管的工具。
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The casing-patch tool is lowered into the well where rubber or lead on the end of the tool is used to seal against the top of the cut casing remaining in the well.
套管补贴工具被下入井中，这时工具端部的橡胶或铅对留在井中的被割断套管的顶部进行密封。
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