Such an arrangement would necessitate {TAIL ~ at least one fluid connection} at {HEAD ~ the seafloor}, in addition to anchoring a vertical pipe to the base 
Such an arrangement would necessitate { TAIL ~ at least one fluid connection } at { HEAD ~ the seafloor } , in addition to anchoring a vertical pipe to the base
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH