Decommissioning and Late Life Asset Management

Our multi-discipline team provide a range of decommissioning services to an extensive client base within the energy industry. These services are delivered at every stage of the asset and infrastructure management lifecycle, including:

  • Field economic assessments.
  • Legislative compliance, liability estimating and due diligence advice.
  • Preparation for well plug and abandonment, platform cessation of production (CoP) and removal activities.
  • Decommissioning engineering services aligned to client asset and infrastructure requirements.

Our experience has developed from over 20 years of providing consultancy and engineering services to clients around the world in support of their assets and infrastructure. We have the people, the experience and the software to provide a service tailored to client requirements, saving you ABEX / outturn costs in late life asset management and decommissioning with flexible commercial models.


  • Economics, Decision & Risk Assessment

    • Decommissioning liabilities estimates
    • Decision and Risk Analysis (D&RA) to develop decommissioning programme/projects
    • Economic modelling to support formal cessation of production (CoP) submission
    • Well abandonment cost modelling
    • Supply chain contracting strategy
    • Project risk management from inception to completion
    • Cost and Schedule Risk Assessment (CSRA) on projects and planned activities
    • Lessons learned
  • Late Life Asset Management

    • Field life extension studies
    • Adverse weather risk management
    • Structural reliability analyses
    • Maintenance analysis review
    • Option selection studies and expenditure modelling
    • Comparative assessment risk reviews
    • Well P&A risk assessments and SIMOPS reviews
    • IP15 “Hydrocarbon Safe” strategies
    • Down-man risk assessments
    • Obsolescence studies
    • Weight management
    • Decommissioning liability activities and expenditure modelling
  • Preparation for Removal

    • Conceptual engineering works – all disciplines
    • Structural assessment of removal methods (global & local)
    • Process shutdown and hydrocarbon free planning
    • Detailed design for hook down
    • Power optimisation / alternative sources
    • Platform decommissioning control and safety system
    • Wells disconnect works prior to well P&A
    • Preparation for topsides / modules separation
    • Drilling decommissioning
    • Modular laydown solutions
  • Removal

    • Re-boarding risk assessments
    • Dismantlement risk reviews
    • Dismantlement safety case development
    • SEMS interfacing
    • Performance standard and verification scheme development
    • Structural assurance services – linked to decommission plan
    • HLV selection and management

Get in touch to discuss your decommissioning requirements.

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