Method and apparatus for replacing a tendon flex bearing on a tension leg platform
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United States of America Patent
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Apr 18, 2017
Issued Date -
N/A
app pub date -
Jan 27, 2016
filing date -
Jan 27, 2015
priority date (Note) -
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Abstract
A method and apparatus for replacing a tendon flex bearing on a tension leg platform includes installing a tendon tensioning tool on the Length Adjustment Joint (LAJ) of a tendon and providing a supplemental buoyancy module on the tendon. The tendon tensioning tool is used to disengage the slips from the top tendon connector. The buoyancy of the supplemental buoyancy module may then be adjusted to support the tendon whereupon the tendon tensioning tool may be disengaged permitting removal and replacement of the tendon flex bearing. Following installation of the new (or refurbished) flex bearing, the steps of the procedure may be reversed to return the tendon to its normal operating state. In certain embodiments, top clamp actuation means is provided in the tendon tensioning tool for removing slips from the top clamp.
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