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DUAL ISOLATION MECHANISM OF CEMENTATION PORT
DUAL ISOLATION MECHANISM OF CEMENTATION PORT
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机译:固井口双重隔离机理
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摘要
An apparatus for providing fluid communication includes a housing having a port; an inner sleeve adapted to seal the port; and a seal sleeve adapted to seal the port, wherein the seal sleeve is disposed between the inner sleeve and the housing and is movable with the inner sleeve to seal the port. In another embodiment, the port is sealed using a metal to metal seal.
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