By extending the steel pipeline in a J curve to the buoy, instead of to the bottom of a vertical pipe that extends up to the buoy, applicant avoids {HEAD ~ the need} to make {TAIL ~ fluid connections} at a great depth 
to make
By extending the steel pipeline in a J curve to the buoy , instead of to the bottom of a vertical pipe that extends up to the buoy , applicant avoids { HEAD ~ the need } to make { TAIL ~ fluid connections } at a great depth
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