A middle conduit has {HEAD ~ a lower end} connected to {TAIL ~ a pipe} on the transfer structure and an upper end connected to a pipe on the vessel 
A middle conduit has { HEAD ~ a lower end } connected to { TAIL ~ a pipe } on the transfer structure and an upper end connected to a pipe on the vessel
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH