Common Cause Failure Analysis of a Subsea System

  • Julio C. C. Bueno
  • David J. Sherwin


A risk analysis study was carried out to analyse the conceptual design of a subsea system for the Albacora’s field. Albacora is an oil field located on the continental shelf off the coast of Brazil. The project is being conducted by Petroleo Brasileiro SA- PETROBRAS, owners of the field. Because subsea systems consists of several identical components and the environmental conditions are quite hostile, a risk analysis study of subsea systems should consider the possibility of the occurrence of common causes. In this paper, a model to assess the effects of common mode failure on subsea systems is suggested. Two other models are also used in the analysis: The Marshal-Olkin model and the model suggested by Henley and Kumamoto. The results of the application of these models on the conceptual design of the Template-Manifold of Albacora are shown. Some mathematical approximations which allow a general and easy estimation of the effects of common cause failures are suggested.


Primary System Secondary System Primary Circuit Secondary Circuit Common Mode Failure 
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Copyright information

© Elsevier Science Publishers Ltd 1990

Authors and Affiliations

  • Julio C. C. Bueno
    • 1
  • David J. Sherwin
    • 2
  1. 1.Serviço de EngenhariaPetroleo Brasileiro S.A- PETROBRASRio de JaneiroBrasil
  2. 2.School of Engineering ProductionThe University of BirminghamBirminghamUK

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