Tool arrangement connected to a christmas tree and methods for installing and removing of a christmas tree
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United States of America Patent
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Jan 23, 2018
Grant Date -
Mar 9, 2017
app pub date -
Mar 25, 2015
filing date -
Mar 25, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides a multipurpose tool arrangement for riserless invention of a subsea well. The multipurpose tool (40) which is adapted to be connected at the lower end to a Christmas tree (50) which has a tubing hanger (52) and an annulus bore (60′) being defined through said tubing hanger (52). Said tool (40) comprises a tubular element (48) and a Christmas tree connector (41), said multipurpose tool (40) is adapted to receive a second tool (64), which is operated by a cable (49), said second tool (64) in turn being adapted to install a plug (70) in said tubing hanger annulus bore (60′), through said multipurpose tool (40), said arrangement also comprising a pressure control head (47) through which said cable (49) extend. The invention also provides a method for removal or installing of a Christmas tree.
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