Synthesis of preliminary system designs for offshore oil and gas production

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Abstract

The present work deals with the design of oil and gas platforms, with a particular focus on the developmentof integrated and intensified petroleum processing plants. It builds on a superstructure based approach that includes all the process steps, transformations and interconnections of relevance, to generate and compare a large number of alternatives. The superstructure is formulated based on engineering knowledge and is coupled to process models developed in Aspen and Matlab,together with multi-objective optimisation routines and uncertainty assessments. It takes actual measurements from North Sea fields and three petroleum compositions as starting points. The significance of the uncertainties associated with the feed properties, and the capital costs, taxes and lifetime, is assessed. The results indicate that (i) the system performance strongly depends on the level of mass integration within the platform, (ii) the oil and gas recoveries are markedly impacted by the number of separation stages and heat exchangers, and (iii) disregarding the interactions between the several plant sections lead to sub-optimum solutions. The application of this framework proves to be useful for eliminating inadequate configurations and screening potentially novel solutions at early stage designs, with respect to technical, energetic and economic criteria.
Original languageEnglish
Title of host publicationProceedings of the 26th European Symposium on Computer Aided Process Engineering
EditorsZdravko Kravanja, Miloš Bogataj
Volume38
PublisherElsevier
Publication date2016
Pages1419-1421
ISBN (Electronic)978-0-444-63428-3
DOIs
Publication statusPublished - 2016
Event26th European Symposium on Computer-Aided Process Engineering - Grand Hotel Bernardin Congress Centre, Portorož , Slovenia
Duration: 12 Jun 201615 Jun 2016
http://escape26.um.si/

Conference

Conference26th European Symposium on Computer-Aided Process Engineering
LocationGrand Hotel Bernardin Congress Centre
CountrySlovenia
CityPortorož
Period12/06/201615/06/2016
Internet address
SeriesComputer Aided Chemical Engineering
Volume38
ISSN1570-7946

Keywords

  • System synthesis
  • Petroleum processing
  • Offshore platforms
  • Sensitivity analysis
  • Uncertainty assessment

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