Method for constituting a model representative of multiphase flo

Details Method for constituting a model representative of multiphase flo Method for constituting a model representative of multiphase flo

1997-11-14

2000-02-22

Teska, Kevin J.

39550023, 39550026, G06G 748, G06G 757

Patent

active

060289929

ABSTRACT:
The invention provides a model representative of steady and transient flows, in a pipe, of a mixture of multiphase fluids, which takes account a set of variables defining the properties of the fluids and of the flow modes having separate phases which are dispersed and intermittent, and the dimensions and slope of the pipes. The modeled quantities characterizing the flow are determined by solving a set of transport equations, an equation of mass conservation per constituent and an equation of momentum of the mixture, and by using a hydrodynamic model and a hydrodynamic model of the fluids. The models are formed by considering the mixture to be substantially at equilibrium at all times and that the constituents of the multiphase mixture are variable all along the pipe. The method can be applied to hydrocarbon transportation network study and to determination of characteristics of flow of the multiphase mixture in the pipe.

REFERENCES:
patent: 5550761 (1996-08-01), Pauchon
patent: 5801969 (1998-09-01), Nagahama
Society of Petroleum Engineers (SPE #21755), Mar. 20, 1991, entitled "Compositional Reservoir Simulation, A New, Efficient, Fully Integrated Solution Technique for the Flow/Thermodynamic Equilibrium Equations" by F.M. Guehria et al, pp. 55-68 (XP002035429).

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