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Course Details

Safety Risk and Reliability Offshore

Cranfield University
School of Engineering
Contact Provider
5 Days
Short Course
Suitable for those involved in safety, risk and reliability within the offshore industry.
Cranfield University, College Road, Cranfield, MK43 0AL, Bedfordshire, United Kingdom

This short course will enable you to understand, and be able to apply, the basic concepts of risk and reliability analysis in the offshore environment.

Course Objectives

On successful completion of this short course you will:

  • Have a basic understanding of the concept of risk and its application in the offshore industry
  • Have a basic understanding of reliability analysis techniques and the mathematical basis of risk and reliability
  • Be able to apply reliability block diagrams, fault tree and event trees analysis to the assessment of an underwater system
  • Appreciate the role of human error and equipment failure in accident causation
  • Understand how the above relate to the preparation of offshore safety cases.

Course Topics

  • Introduction: concept of risk, ALARP criteria, and reliability engineering
  • FMECA and HAZOPS: use of failure modes and effects analysis to identify system and component failure, use of qualitative risk matrices, hazard and operability studies to identify hazards in offshore processes
  • Reliability data: types, data collection methods and data sources, examples of typical failure rate data, weibull analysis and interpretation of data plots
  • Human reliability analysis and accident causation: major accident sequences, risk perception and control of risk, introduce to human reliability analysis techniques HEART and THERP
  • Offshore safety case and formal safety assessments: regulatory regime, safety case requirements, types of study, scenario development, examples of use of QRA methods, consequence analysis, vulnerability of essential systems, smoke and gas ingress,evacuation escape and rescue and typical output
  • Pipeline corrosion risk analysis: corrosion of steel pipelines offshore, use of stress strength interference for estimation of safe life and probability of failure
  • Statistics and probability distributions : basic Boolean algebra, Bayes theorem and commonly used discrete and continuous probability distributions
  • Systems' reliability techniques : reliability block diagrams and networks, estimation of cut sets and tie sets
  • Availability modelling: system availability and impact of maintenance strategy and. component reliability. Markov state space models and use of availability simulators
  • Review of major accidents offshore: Sea Gem, Alexander Keilland, Star Canopus and Piper Alpha disasters
  • Diving bell risk analysis workshop: application of RBD, FTA, and ETA techniques to determine the cut sets for the failure of a diving bell life support system, compare output with FMECA approach to assessment
  • Introduction to structural reliability analysis: stress strength interference and limit state concepts, FORM and SORM, damage accumulation and modelling of time dependent failures.

Who should attend?

Suitable for those involved in safety, risk and reliability within the offshore industry.

*PLEASE NOTE: Course dates provided are provisional and may change; confirmed dates will be provided shortly or upon registration for the course.


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