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Black Oil to Compositional Conversion for the Ivar Aasen Field

Hansen, Emil
Master thesis
Åpne
16046_FULLTEXT.pdf (Låst)
16046_COVER.pdf (Låst)
Permanent lenke
http://hdl.handle.net/11250/2615208
Utgivelsesdato
2016
Metadata
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Samlinger
  • Institutt for geovitenskap og petroleum [1834]
Sammendrag
Petroleum fluids are characterized by a black oil or an equation of state (EOS) characterization. Both of these approaches are thoroughly explained in the theoretical chapter. A black oil to compositional (BOz) conversion method is a method that converts a black oil characterization of surface oil and surface gas volumes to an EOS characterization with component molar amounts. BOz methods are also explained in the theoretical schapter.

The Ivar Aasen field is operated by Det norske Oljeselskap and uses Eclipse 100 (E100) black oil reservoir simulator to forecast the production of surface oil and surface gas. To convert these surface volume rates to component molar amounts, a BOz conversion method is required. Relevant information concerning BOz conversion methods is reviewed in a practical chapter. More precisely, information regarding the Ivar Aasen field, required software and a way to quality control the BOz method in action is reviewed in the practical chapter.

The value of an integrated solution was demonstrated before an integrated solution of a known BOz method was proposed. More precisely, Arif Kuntadi`s reservoir BOz (rBOz) method was integrated in Pipe-It. Previous studies show that a rBOz`ed E100 production forecast versus a compositional Eclipse 300 production forecast yields nearly identical results for all components (Kuntadi, 2012).

Furthermore, it was concluded that the integrated rBOz solution yields the best possible field component molar rate forecast based on existing PVT work. The integrated solution is flexible and can easily take new PVT data into account.
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