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ABSTRACT
Reliability studies of systems have been an important area of research within
electrical engineering for over a quarter of a century. In this thesis, the reliability analysis
of the Supervisory Control And Data Acquisition (SCADA) systems used in offshore
petroleum facilities was examined. This thesis presents fault trees for the platform
production facilities, subsea control systems, a typical SCADA system, and the human
induced fault tree. Software reliability was also studied. The fault trees were developed
based on a safety flow chart and Process and Instrumentation Diagrams (P&ID). This
work was conducted as a subcontract to the United States Department of the Interior,
Mineral Management Service, Technology Assessment & Research Program, Program
SOL 1435-01-99-RP-3995 (project no 356) to the University of Missouri-Rolla.
Based on the fault tree diagrams and fault rates, the reliability of the SCADA
system used in the offshore facilities was assessed. The failure availability of the SCADA
system used in offshore platforms was also found.
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ACKNOWLEDGMENTS
The author wishes to thank Dr. Kelvin. T. Erickson for his guidance and
assistance not only in the preparation of this work, but also his valuable contributions in
. studies.
The author sincerely appreciates the help and encouragement received from Dr.
Eldon K. Stanek for the preparation pletion of this project. He was not only my
supervisor, but also he was like a father throughout my stay at University of Missouri-
Rolla.
The author is thankful to Dr. Shari Dunn-Norman for her help in understanding
the process and review of this work. The author also wishes to acknowledge Dr. Ann
Miller for her help throughout the project.
Finally, the author would like to dedicate this work to his parents, who may
properly consider pletion of this thesis as a ess of their own.
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