said steel pipeline having a predetermined average outside diameter and extending in a first J curve from substantially said platform to {HEAD ~ the seafloor}, along said sea floor, and in a second J curve from said seafloor to said buoy, with said steel pipeline being free of attachment to the seafloor in {TAIL ~ its extension} between said J curves 
said steel pipeline having a predetermined average outside diameter and extending in a first J curve from substantially said platform to { HEAD ~ the seafloor } , along said sea floor , and in a second J curve from said seafloor to said buoy , with said steel pipeline being free of attachment to the seafloor in { TAIL ~ its extension } between said J curves
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH