The International Marine Contractors Association (IMCA) has published new industry guidance designed to improve safety during subsea decommissioning and dismantlement projects, warning that ageing offshore infrastructure, incomplete historical…
The International Marine Contractors Association (IMCA) has published new industry guidance designed to improve safety during subsea decommissioning and dismantlement projects, warning that ageing offshore infrastructure, incomplete historical records and changing site conditions are creating an increasingly high-risk environment for commercial diving operations.
As offshore oil and gas assets around the world reach the end of their operational life, decommissioning activity is expected to increase significantly over the next decade.
According to Rystad Energy, global decommissioning expenditure is forecast to reach approximately $81bn between 2025 and 2035 as operators respond to maturing fields and tightening regulatory requirements for abandonment and removal.
IMCA’s newly released Guidance on Diving Operations in Support of Subsea Decommissioning and Dismantlement Projects has been developed to help contractors, operators, and project teams better understand and manage the unique operational and safety challenges associated with dismantling ageing subsea infrastructure.
Unlike construction or inspection, repair, and maintenance activities, decommissioning projects frequently involve structures that were never designed to be removed. Some installations can be approaching 50 years old and, in many cases, engineering records may be incomplete or inaccurate, and the actual subsea condition of assets can differ significantly from original drawings or assumptions made during project planning.
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