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- W4237477747 abstract "Reliability Analysis Spanning Whole Well Life John A. Hother John A. Hother Proneta Ltd. UK Search for other works by this author on: This Site Google Scholar Paper presented at the European Petroleum Conference, Aberdeen, United Kingdom, October 2002. Paper Number: SPE-78326-MS https://doi.org/10.2118/78326-MS Published: October 29 2002 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Hother, John A. Reliability Analysis Spanning Whole Well Life. Paper presented at the European Petroleum Conference, Aberdeen, United Kingdom, October 2002. doi: https://doi.org/10.2118/78326-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu nav search search input Search input auto suggest search filter All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE Europec featured at EAGE Conference and Exhibition Search Advanced Search AbstractReversionary Mode Analysis (RMA) was used to analyse the reliability of the whole life-cycle of a proposed well development, so that the risks associated with different well designs could be quantitatively compared. The technique combines engineering analysis and economic modelling in a systematic and rigorous way. For this project, we needed to extend the economic aspects, to match the level of detail used in the business case economics for this field development.RMA is an innovative and powerful system analysis technique that has been adapted from its aerospace origins for application in oil and gas projects. The engineering aspects, founded on conventional failure mode analysis methods, were already well developed.The process started with engineering analysis of the failure modes, determining cause, effect and probability. To ensure proper coverage of the whole life-cycle, RMA handles both activities, defined by process flow diagrams, and equipment defined by system block diagrams. To confirm the validity of the analysis, the estimated probabilities of failure were checked with alternative sources.Then an economic model was produced, quantifying in financial terms the consequences of a whole range of different types of failure. The analysis software consolidated all the failure mode data with the economic model.The results in ‘risk-Dollars’ highlighted the aspects that are critical to the project's viability, and provided a good basis for comparing different well options. The rigorous data structure provided the capability to ‘drill-down’ into critical aspects, to identify key causes for which mitigating measures were needed, which may occur at any stage in life-cycle.IntroductionReversionary Mode Analysis (RMA) has been adapted from its aerospace origins for application in oil and gas projects.Previous papers (ref 1, 2, 3) have reported the application of the technique to oil and gas projects. Ref 1 focused on the underlying principles and origins of the method. Ref 2 focused on the application to the production phases of intelligent wells, and its use by system vendors (engineering companies). Ref 3 focused on the inclusion of construction processes as well as production systems in the scope of the analysis, and on its use by operators.For the results of the analysis to be really useful, we needed them to be expressed in Dollar terms, in a form that corresponds with the business case for the field. This paper now reports on how the economic modelling in RMA has been developed to use more comprehensive sets of economic consequences, and of economic parameters, so that the analysis results (risks expressed in Risk-Dollars) are directly comparable with the field economics.Throughout this paper, the precise numerical data has been changed to protect the operator's confidential information. However, the changes have been made to keep the relative balance, so that the comparisons remain valid.OBJECTIVESThe project's objectives were:to compare three different well design options;to make that comparison on the basis of a systematic engineering analysis;to include the whole life-cycle of the well in the analysis;to produce results in economic terms (Dollar-values) that correspond directly with the operator's business case for the field development. Keywords: consequence, operator, option 1, failure mode, mode analysis, application, option 2, hother proneta ltd, reliability analysis, base case Subjects: Asset and Portfolio Management This content is only available via PDF. 2002. Society of Petroleum Engineers You can access this article if you purchase or spend a download." @default.
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- W4237477747 title "Reliability Analysis Spanning Whole Well Life" @default.
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