Decommissioning workshop held on Comparative Assessment processes

In September 2022, the IOGP Decommissioning Committee held a workshop on Comparative Assessment (CA) to agree upon guiding principles for a genuine CA, discuss the perception of bias, and explore developments and good practices in the five common criteria of comparative assessments.

CAs are a form of multi-criteria decision analysis (MCDA) process commonly used in the decommissioning industry and across multiple industries, including food, agriculture, health, and nuclear. While other MCDA processes can be used, CAs are derived from the comparative risk assessment guidance of International Maritime Organization’s London Convention for considering disposal at sea for a platform or other man-made structure.

CAs and other forms of MCDA are used in many places globally (Brazil, UK, Indonesia, Israel, Brunei, Malaysia, and other countries) to compare options and to guide decisions on the proposed end-state of an asset. It is an objective, decision-enabling process used to rank options and is scalable. Comparative assessments range from being simple and qualitative to being more complex and quantitative.

The Workshop summary can be downloaded from the IOGP Publications Library.

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