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