Apparatus for connecting underwater tubular members
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United States of America Patent
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Apr 7, 2009
Grant Date -
Aug 30, 2007
app pub date -
Feb 24, 2006
filing date -
Feb 24, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A connector for severed pipes in a wellbore has an elongated tubular mandrel, a sealing pack-off ring mounted on the mandrel, an activator ring for pressing against the pack-off ring and causing the pack-off ring to seal an interior of a casing above a shut-off valve. A grapple member is slidable mounted on the mandrel above the activator ring; the grapple member has an enlarged diameter plate, which rests on an upper edge of a severed casing. A production pipe, control lines and production casing can be lowered through the large opening in the mandrel and re-establish connection with the severed casing and production pipes.
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