×
top of page

Waste Management Services

 

Circular Economy Solutions

Leading Sustainable Waste Management for Offshore & Subsea Equipment

Legasea revolutionises waste management for the energy industry through innovative circular economy solutions. Operating under SEPA Waste Management License WML/L/1195912, we specialise in sustainable treatment of offshore waste, focussing on refurbishing and reusing subsea equipment rather than disposal and new manufacturing.

Our Comprehensive Subsea Waste Management Services

Subsea Production Systems Decommissioning

  • Christmas Trees & Wellheads: Complete disassembly, component recovery, and refurbishment

  • Manifolds & Distribution Systems: Specialised cleaning, testing, and recertification processes

  • Control Systems & Electronics: Recovery and refurbishment of hydraulic and electrical components

  • Subsea Infrastructure: Professional handling of production support equipment

SURF Equipment Waste Management

  • Umbilicals: Comprehensive processing of subsea umbilical systems and components

  • Risers: Specialised handling and material recovery from flexible and rigid riser systems

  • Flowlines: Pipeline segment processing, material segregation, and recycling

  • Flexible Connections: Recovery of specialised connectors and interface equipment

Marine Growth & Contamination Management

  • Biofouling Removal: Professional marine growth cleaning in controlled environments

  • Contaminated Equipment Processing: Safe handling of equipment with hazardous substances

  • Environmental Compliance: Full MSDS documentation and regulatory adherence

Our Proven Circular Economy Approach

Environmental Impact & Carbon Reduction

Quantifiable Carbon Savings Through Equipment Reuse:

  • Typical Subsea Tree weighs 45 tonnes

  • Reusing one tree saves 82.4 tonnes of CO2 emissions

  • 850 trees in UK North Sea represent potential 70,000 tonnes carbon reduction

  • Breaking the "use once and dispose" cycle across all subsea equipment categories

Economic Benefits for Clients

  • Cost Reduction: Significant savings compared to new equipment procurement

  • Reduced Lead Times: Faster availability of critical refurbished components

  • Improved Cash Flow: Alternative disposal cost models and revenue sharing options

  • Enhanced ESG Credentials: Measurable environmental impact improvements

Licensed Waste Management Process

Operating under SEPA Waste Management License WML/L/1195912, our comprehensive process ensures maximum recovery and minimum environmental impact:

1. Equipment Receipt & Assessment

  • Thorough documentation and preliminary materials inventory

  • MSDS sheets verification and compliance checking

  • Marine Growth Assessment Reports analysis

  • Complete Shore to Store Goods Receipt processing

2. Professional Cleaning & Decontamination

  • Specialised test pit operations with complete containment

  • Marine growth removal using environmentally safe methods

3. Safety & Fluid Management

  • Safe removal and containment of residual substances

  • MSDS-compliant handling procedures

  • Professional disposal of all waste fluids and materials

4. Systematic Disassembly & Recovery

  • Methodical equipment breakdown and component identification

  • Advanced segregation of reusable vs. recyclable materials

  • Metal sorting by type for optimal recycling value

  • Component condition assessment and categorisation

5. Refurbishment & Recertification

  • Ultrasonic cleaning and surface preparation

  • Comprehensive testing against industry standards

  • Full recertification and quality documentation

  • Integration into inventory management system

Flexible Business Models

SHORE TO STORE Model 1:

 

Equipment Maintenance & Repair Service

  • Client retains ownership throughout the process

  • Equipment treated as maintenance items rather than waste

  • Components refurbished and returned to client inventory

  • Complete traceability and documentation maintained

SHORE TO STORE Model 2:

 

Waste-to-Resource Transfer

  • Legasea assumes ownership of equipment classified as waste

  • Components achieve "end of waste" status after processing

  • Refurbished products marketed globally to industry

  • Clients benefit from reduced disposal costs and improved environmental credentials

Additional SpecialiSed Services

Digital Asset Management

  • Inventory Management: Real-time tracking of recovered components

  • Certification Management: Digital certificates for refurbished equipment

  • Performance Analytics: Data-driven insights into component lifecycle management

Our Track Record & Impact

Since 2018, Legasea has achieved:

  • 60+ Decommissioned Systems: Successfully processed over 60 subsea production systems

  • Thousands of Components: Made critical components available for ongoing operations

  • Significant Cost Savings: Delivered measurable economic benefits to global clients

  • Reduced Lead Times: Shortened procurement cycles for essential parts

  • Carbon Impact: Prevented thousands of tonnes of CO2 emissions through reuse

Industry Partnerships & Collaboration

We work with diverse organizations across the energy sector:

  • Oil & Gas Operators: Major and independent operators globally

  • Service Companies: EPC contractors and specialised service providers

  • Equipment Manufacturers: OEMs seeking sustainable end-of-life solutions

  • Academic Institutions: Research partnerships for innovation development

  • Regulatory Bodies: Collaboration on waste management best practices

Why Choose Legasea for Subsea Waste Management

Environmental Leadership

  • Quantifiable carbon savings through proven circular economy methods

  • Waste reduction across all categories of subsea equipment

  • Industry-leading environmental compliance and reporting

Regulatory Compliance

  • Full SEPA Waste Management License (WML/L/1195912)

  • Comprehensive health, safety, and environmental procedures

  • Regular audits and continuous improvement programs

Technical Expertise

  • Specialists in electrical, hydraulic, and mechanical systems

  • Comprehensive knowledge of subsea equipment across all manufacturers

  • Advanced testing and refurbishment capabilities

Economic Value

  • Proven cost savings compared to new equipment procurement

  • Flexible business models to suit different client needs

  • Revenue generation opportunities through component sales

Innovation & Technology

  • Pioneering circular economy approaches in offshore energy

  • Advanced digital tracking and inventory management

  • Continuous development of new processing techniques

Get Started with Sustainable Waste Management

Transform your decommissioning projects into environmental and economic opportunities. Contact Legasea today to discuss how our licensed waste management services can support your sustainability goals while delivering measurable cost savings.

20220815_155309.jpg

Contact US

Unit 11

Birchmoss Plant & Storage

Echt, Westhill, 

Aberdeenshire

Scotland

AB32 6XL

+44 1224 058 040

info@legasealtd.com

  • LinkedIn
  • Facebook
  • Twitter
  • Instagram
  • YouTube
  • Pinterest

© Copyright Legasea Ltd 2025 

All Rights Reserved.

Legasea Ltd is registered in Scotland, with company number SC617131.

VAT Registration Number: 320 7210 55 

Privacy Policy

Contact Us

Enquiry Type
bottom of page