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Home / Services / Pipeline Services / Seabed Excavation & Clearance
 Seabed Excavation & Clearance
 PSL provide a broad range of subsea equipment capable of rapid seabed excavation in a wide variety of materials.
The techniques of mass flow excavation, powerful suction dredging and high pressure jetting are used, with controls either remotely on surface or assisted on the seabed by ROV/Diver.
PSL's unrivalled experience in seabed excavation ensures that the most efficient and flexible team of equipment and personnel are provided for every task.
 De-burial of pipelines, cables and other subsea structures for inspection, maintenance, repair and removal.
- Lowering pipelines and cables into the seabed
- Removing pipeline and cable free-spans to reduce stress
- Pre-sweeping pipeline and cable routes to remove sand waves
- Clearance of drilling mud and cuttings from subsea structures
- Dispersal of rock-dump to allow access to subsea structures
- Location and de-burial of dropped objects
- Levelling of seabed areas prior to structure installation
- Agitation dredging of harbours and shipping channels
Benefits
 Jet Prop range of patented mass flow excavation tools
- Innovative deepwater suction and jetting systems
- Rapid response for seabed excavation projects anywhere in the world
- Experienced offshore personnel with ability to innovate and problem-solve onsite
- Project specific solutions for challenging tasks
- Continuous development of more efficient and cost-effective excavation tools
- Able to support vessels, drilling rigs and inshore work vessels
Experience
 15 years of seabed excavation in the offshore oil and gas, deepwater salvage and inshore civil engineering markets.
- Large scale excavations in water depths ranging from 3m to 2,200m.
- Over 130 offshore projects completed to date.
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Seabed Excavation.pdf
