OrcaFlex Examples - D Riser installation

All the examples in the table below can be downloaded as a single zip file: D Riser installation.zip (47.0 MB)

D02 Pull in analysis.zip (3.8 MB) – Description PDF

A line has been laid on the seabed in a specified route. It is to be pulled in to a wellhead funnel by a winch. A gateway ahead of the funnel controls the pipe entry so it approaches at an angle that will not cause the pullhead to jam.

D02 Pull in analysis

D03 Lay on tower.zip (7.9 MB) – Description PDF

Installation of a riser over a subsea tower in 300m water. The riser is paid out from the moonpool of the installation vessel, and is supported from an auxiliary winch at the bow. There is a clamp about 10m above the attachment point of the winch, which has to be placed in the centre of the support tower.

D03 Lay on tower

D04 J-tube pull in.zip (35.2 MB) – Description PDF

This example models a typical J-tube pull-in operation. It includes paying a line (a riser) out from a vessel over a chute whilst simultaneously pulling in the other end up a J-tube. It demonstrates Line Feeding, the Line Contact model and introduces some tips for controlling the line position in the static solution.

D04 J-tube pull in

Examples  |  A Production risers  |  B Drilling risers  |  C Moorings  |  D Riser installation  |  E Pipelay and recovery  |  F Payload handling  |  G Deployment  |  H Offloading systems  |  I Towed systems  |  J Defence  |  K Renewables  |  Z Miscellaneous