Modelling Multiphase Flows of Hydrocarbons in Gas-Condensate and Oil Wells

E. V. Usov, V. N. Ulyanov, A. A. Butov, V. I. Chuhno, P. A. Lyhin

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

Physical and numerical models are developed for the analysis of the processes occurring in the multiphase flow in a well during hydrocarbon production. A detailed description of the system of equations, its numerical approximation, methods for calculating the fluid properties and phase transitions in it, and the closing relations for calculating friction and heat transfer in a two-phase flow are presented. The implemented models make it possible to simulate both the stationary distribution of parameters over the wellbore and nonstationary processes, for example, when the speed of the pump shaft changes during oil production. The developed approaches are introduced in the new version of the DataFlow software for analyzing the hydrodynamics of multiphase hydrocarbon flows taking into account the heat exchange with the rocks surrounding the well and phase transitions in the fluid. The results of the test calculations showing the performance of the proposed and implemented models are given.

Язык оригиналаанглийский
Страницы (с-по)1005-1013
Число страниц9
ЖурналMathematical Models and Computer Simulations
Том12
Номер выпуска6
DOI
СостояниеОпубликовано - ноя 2020

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