Our Evo Excavation System core tools

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Marin Subsea in Subsea UK 2012 finals

Company of the Year nomination for deepwater excavation specialist

Marin in the Media

Marin Group is profiled in UCi, November/December 2011.

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Subsea Without Limits

We are the pioneers of mass-flow excavation, claycutting, and jet sled technology. But we don’t just rent out equipment. We harness 30 years’ solid, hands-on experience to look at your project from every angle — and then our team goes ahead and gets your job done. We redefine what’s possible subsea. Read More...

Deepwater Red Adair

We are the world's only asset recovery specialists, and we’re now recognised globally as the deepwater Red Adair for our unique, one-stop subsea SOS service. Our track record speaks for itself and our team is on standby 24/7/365. One call to us and you’re in expert hands. Read More...

Our Evo Excavation System core tools

The next generation of MFE and cutting technology

With our Evo Excavation System we bring together powerful next-generation technology and proven Marin tooling and expertise to take MFE and claycutting to the next level

Excavation Performance - Evo 150, 300 & 600

Base system for general excavation, trenching and backfill activities

Trenching Performance: Excavation rate from 1000m3/hr to 4000m3/hr

Asset diameter: 100mm to 2000mm

Excavation depth: 0.25mm to 5000mm in single or multiple passes

Excavation speed (overground): Variable 1m/hr to 450m/hr depending on parameter

Water depth range: 1m to unlimited

Soil type range: All non-cohesive soils up to 200mm particle size

Trenching - Evo V-Jet System / Mono-Jet System

Installs on Evo 150 for trenching in clay soils and dense sands

Cutting Performance: Cutting rate up to 6000m3/hr in 80kPa clay@1200hp

Pipeline diameter: 100mm to 1500mm

Trench depth: 250mm to 5000mm in single or multiple passes

Trenching speed: Variable 5m/hr to 250m/hr depending on parameter

Water depth range: 1m to 200m (hydraulic system)

Soil type range: Cohesive soils up to 60kPa Su (higher HP for clay)

Cutting Performance - Evo Claycutting System

‘Plug and play’ capability for route preparation

Cutting Performance:
100m3/hr to 1200m3/hr in 10kPa-100kPa clay
12m3/hr to 60m3/hr in 100kPa-500kPa clay

Jetting nozzle exit velocity: 32m/sec

Water depth range: Unlimited

Working pressure: 400bar

Soil type range: All up to 600kPa

Extraction - Evo eVac

Precision removal of materials up to 100mm particle size

Dredging Performance: Dredge rate varies with soil up to 110m3/hr @600hp

Water depth range: 3m to 200m

Particle size: Up to 100mm diameter

Soil type range: All non-cohesive soils

Debris Removal - Evo Hydraulic Grab

Decommissioning recovery of deepwater assets over pipelines or subsea structures

Performance Solids: recovery up to 5m3 fully closed

Materials Ores: and aggregates up to D50 100mm

Water depth range: Unlimited

Volume placed: Up to 50 tonnes per hour (additional pumping from surface if required)

Power supply: Oil /glycol

Materials Placement - Evo Materials Placement

Places aggregates and other materials accurately for stabilisation

Placement Performance: Solids placement rates up to 160m3/hr

Materials: Ores and aggregates up to D50 100mm

Water depth range: 1m to 2000m

Volume placed: Up to 120 tonnes per hour (pumped from surface)

Fall pipe diameter: Variable