METHOD AND APPARATUS FOR DOWNHOLE INSTALLATION OF COILED TUBING STRINGS
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United States of America Patent
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Issued Date -
Jun 26, 2014
app pub date -
Dec 19, 2013
filing date -
Dec 20, 2012
priority date (Note) -
Abandoned
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Abstract
A tool for releasably coupling a coiled tubing string to a primary tubing string includes: a tool body for coupling to a downstream end of the primary tubing string, the tool body comprising a locking mechanism for selectively coupling a coiled tubing end joint to the tool body, the locking mechanism being unlockable in response to fluid pressure inside the tool body exceeding a first threshold; a wellbore access mechanism openable in response to fluid pressure inside the tool exceeding a second threshold.
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