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A General Finite Volume Based Numerical Algorithm for Hydrocarbon Reservoir Simulation Using Blackoil Model by Mehdi Mosharaf Dehkordi; Mehrdad T. Manzari; H. Ghafouri; R. Fatehi is a Engineering article available to read on EtoBox.

What is A General Finite Volume Based Numerical Algorithm for Hydrocarbon Reservoir Simulation Using Blackoil Model about?

## Purpose – The purpose of this paper is to present a detailed algorithm for simulating three-dimensional hydrocarbon reservoirs using the blackoil model. ## Design/methodology/approach – The numerical algorithm uses a cell-centred structured grid finite volume method. The blackoil formulation is written in a way that an Implicit Pressure Explicit Saturation approach can be used. The flow field is obtained by solving a general gas pressure equation derived by manipulating the governing equations. All possible variations of the pressure equation coefficients are given for different reservoir conditions. Key computational details including treatment of non-linear terms, expansion of accumulation terms, transitions from under-saturated to saturated states and vice versa, high gas injection rates, evolution of gas in the oil production wells and adaptive time-stepping procedures are elaborated. ## Findings – It was shown that using a proper linearization method, less computational difficulties occur especially when free gas is released with high rates. The computational performance of the proposed algorithm is assessed by solving the first SPE comparative study problem with both const

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Author

Mehdi Mosharaf Dehkordi; Mehrdad T. Manzari; H. Ghafouri; R. Fatehi

Publisher

Emerald

Published

2014

Language

EN

Field

Engineering (Physical Sciences)