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Improved delumping of compositional simulation results

Domenii publicaţii > Stiinte ingineresti + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: De Castro, D.T. , Nichita, D.V. , Broseta, D. , Herriou, M. , Barker, J.W

Editorial: , Taylor & Francis , Petroleum Science and Technology , 29 (1), p.1-12 , 2011.

Rezumat:

A recently developed method for pseudo-component delumping is tested for delumping the results of compositional reservoir simulation. The procedure, based on the reduction concept, is analytical and consistent and it accurately takes into account non-zero binary interaction parameters in cubic equations of state. The delumping method was implemented in a postprocessor to the commercial Eclipse reservoir simulator and successfully tested on several cases: oil and gas condensate reservoirs for depletion, lean gas re-injection, and carbon dioxide injection. The analytical delumping method based on reduction gives systematically better results than the regression-based delumping method used previously. Copyright © Taylor & Francis Group, LLC.

Cuvinte cheie: compositional simulation, delumping, equation of state, lumping, phase equilibrium, pseudo-component