Critical Spare Part Identification Process for Mobile Offshore Drilling Units

摘要

Systems/methods of identifying critical spare parts for equipment aboard a MODU employ a quantitative approach that also accounts for failure probability and potential consequences of a decision whether to stock a spare part. This approach determines whether a loss risk from not having a spare part exceeds a loss risk from having the spare part, and whether a worst case loss risk from not having a spare part exceeds a predefined loss risk limit. The spare part is designated a critical spare part if both of the above conditions are satisfied. In some embodiments, a spare part may also be designated a critical spare part if equipment related to the spare part has a failure probability that exceeds a Safety Integrity Level (SIL) failure probability. Any spare part designated a critical spare part is identified to a supply chain system and/or an inventory tracking system for responsive actions.