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Integrated Asset Integrity Management: Risk Management, Human Factor, Reliability and Maintenance applied to Subsea case

A session at 9th Annual Offshore Production Summit

The “Asset integrity” is part of “Asset Management” but focus on asset with relevant impact on safety or environmental in case of failure. The Asset Integrity has the main objective to assure high asset performance regarding safety a long life cycle. Based on KP3 definition, Asset integrity can be defined as “the ability of an asset to perform its required function effectively and efficiently whilst protecting health, safety and the environment”. In order to achieve high safety performance it is essential to apply the best approaches for each Asset integrity Management pillars that are “Risk Management”, “Reliability” and “Human factor”. Therefore, the three main Asset integrity drivers are:
●The Risk Management means to define a risk target, hazard identification, incident and accident investigation, risk assessment, risk evaluation and risk mitigation, communicate the risk and prepare an emergency response plan. In order to identify hazards and assess the risk different qualitative and quantitative methods can be applied like PHA, FMEA, HAZID, HAZOP, FTA, ETA, SIL, LOPA, AQR and Bow Tie.
●The Reliability & Maintenance performance index are defined in pre-feed phase to be assured in the design phase of RAM analysis, life time data analysis, accelerated life test, reliability growth analysis, DFMEA, RCM, RBI. In addition, a long operational phase, lifetime data analysis and RAM analysis are carried out to support decisions as well as RBI, RCM that will define maintenance and inspection policies to maintain asset availability and reliability a long operational phase.
●The Human factors are identified by human reliability analysis, which concerns all human performance factors related to all critical activities that can lead in an accident or environmental impact.
The Asset Integrity has the main objective to assure high asset performance regarding safety a long life cycle. Based on KP3 report (HSE, UK) definition, Asset integrity can be defined as “the ability of an asset to perform its required function effectively and efficiently whilst protecting health, safety and the environment”. In order to achieve high safety performance it is essential to apply the best approaches for each Asset integrity Management pillars that are “Risk Management”, “Reliability” and “Human factor”.The main objective of this paper is to demonstrate the Integrated AIM methodology based on subsea case study (flexible riser) which encompasses Risk Management, Reliability and Maintenance and also human reliability analysis.
Nowadays, the current AIM mostly are based only on RBI analysis without consider the human factor assessment which is a vulnerability that can be reduced based on proposal integrated Asset integrity management. In addition, the proposal model integrates reliability and preventative maintenance into asset integrity management as a way to achieve and maintain the asset integrity.

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When

Date Tue 2nd June 2015

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lanyrd.com/sdpdmm

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www.bqr.com

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