Bundles and towed installation

Bundles and towed installation

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TOWHEAD STRUCTURES – SUMMARY

ƒ Contain manifold to tie-in bundle to other pipelines ƒ Flowlines and water injection lines ƒ Towhead may contain ancillary equipment ƒ Well control valves, sub-sea isolation valves (SSIVs), pig launchers, pigging loop, wellhead template ƒ Gravity-based structure or piled in position ƒ Can pre-install flexible risers

Any questions?

A towhead structure is fitted to each end of the bundle. It contains the tie-in points (such as flanges or clamps) and equipment that enable the lines within the bundle to be connected to other lines when located on the seabed.