Decommissioning and abandonment

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Decommissioning and abandonment

OPTIONS FOR ABANDONMENT, DECOMMISSIONING AND REMOVAL ƒ Leave pipeline on seabed ƒ Bury pipeline below seabed ƒ Recover pipeline to shore ƒ In all options: ƒ Remove all end and crossings structures

ƒ Manifolds, SSIVs, wellheads, drilling templates and mattresses ƒ Make safe ƒ Clean, seal and water-fill all pipelines left on or buried beneath seabed

These are the decommissioning options that are addressed later in this section.

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