| Summary: | Chapter 2 of this thesis handles the topic Maintenance Management and will establish a platform of word and abbreviations that will be used through the rest of the paper. Also maintenance theory of failure characteristics for an equipment will be explained. The definition of lost production for offshore oil production platforms with an example of one of Statoils own platforms on the North Continental Shelf. Real data for production loss will be presented for a platform called Plant A. In Chapter 4 the term Turnaround Management will be presented and some of the the state-of-art theory of the topic optimization of Turnaround Management will be given. Also projects initiated by Statoil to improve the management and execution of turnaround will be presented in this chapter. Chapter 5 gives a qualitative presentation of a software program that is under development by Statoil for the scheduling and optimization of TARs for offshore oil production facilities. Some of the main elements of the software such as the objective, the model, the input and the output will be presented. The results of three different turnaround scenarios will be presented in Chapter 6. The last part of the thesis, Chapter 7, will discuss the results and compare the results with real data .
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