DecomPSL's principal Subject Matter Expert/Lead Consultant for vessel based subsea and mudline well decommissioning/plug and abandonment (P&A).As the subsea wells decommissioning industry strives for ever greater costs savings (>35%), without compromising either safety or quality, the focus has shifted to the use of vessel based abandonment techniques, in whole or part, rather than the sole use of MODUs. Vessel based options include:Wireline intervention.Drill pipe/workstring intervention (e.g. mudline TA cap/corrosion cap testing and recovery).Subsea tree recovery.Coiled tubing intervention.Tubing recovery.Casing recovery.Perforate, wash and cement (PWC).Surface environmental barrier setting (perforate and squeeze or cut, pull and cement).Wellhead severance (abrasive, mechanical, laser, DWS, explosive) and recovery.Combining 40 years of marine experience with 30 years of wellhead installation and intervention experience DecomPSL, over the past 15 years, has been directly involved in over 100 vessel based subsea and mudline well abandonments. Contracting roles include Onshore/Offshore Project Engineering (Well Date Sourcing, OEM Historic Data Sourcing, Well Reviews, Outline Methodologies, P&A Procedures, Vendor/Technology Solutions, Project Support), Project Management (Scheduling, Costings, Procurement, Third Party Service Management, Cost Control, Client Management), Offshore Supervisor and Onshore/Offshore Decommissioning Consultant (COP Cost Estimating, New Technology Concepts and Development, Bespoke Tooling Solutions, Well/Wellhead Inspections, Trouble Shooting, Report Writing, Marketing and Sales Support).