Qualitative fault tree analysis of blowout preventer control system for real time availability monitoring

Mete Mutlu, Zev Arnold, Matthew A. Franchek, Jose Meraz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations

Abstract

This paper deals with the dynamic availability of a subsea blowout preventer (BOP) with respect to regional and industrial requirements. The study aims to reduce the non-productive time on drilling rigs due to complex propagation of failures within the BOP and BOP control system. In this development, fault tree analysis updated with near real time failure database is implemented into operational decision-making process. First, the system is defined with specifications, boundaries and assumptions. Failure modes of each component are stated. The requirements on the BOP control system are determined with respect to API Standard 53. Fault trees are constructed to address each requirement, and cut sets are produced. For dynamic analysis, a database on BOP state and failure component is created using reports from drilling contractor and operator. Upon detection of a failure, the cut sets are updated. With this application, impact of newly discovered failure in combination with the existing set of failures over BOP availability and compliance is determined in a standardized manner allowing consistent and efficient judgment.

Original languageEnglish (US)
Title of host publicationProceedings of the Annual Offshore Technology Conference
Subtitle of host publicationOffshore Technology Conference, OTC 2017
PublisherOffshore Technology Conference
Pages1187-1197
Number of pages11
Volume2
ISBN (Electronic)9781510842083
StatePublished - 2017
EventOffshore Technology Conference, OTC 2017 - Houston, United States
Duration: May 1 2017May 4 2017

Other

OtherOffshore Technology Conference, OTC 2017
CountryUnited States
CityHouston
Period5/1/175/4/17

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Energy Engineering and Power Technology
  • Ocean Engineering
  • Mechanical Engineering

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