The example explains how to use the standard two-point pressure solver to solve the single-phase pressure equation for a flow driven by Dirichlet and Neumann boundary conditions.

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This example shows how to set up a single-phase flow driven by a combination of source and boundary conditions and is a continuation of the basic flow-solver tutorial.

This examples explains how to extend the single-phase model with a standard Peaceman model to represent a vertical injector and a horizontal producer.

The example shows how to generate a simple grid on the industry-standard corner-point format, generate a geostatistical realization of a layered permeability field, and solve the resulting single-phase flow problem.

Time-of-flight represents the time it takes an imaginary particle released at an inflow boundary or at a perforation of an injector to reach a given point in the reservoir. This defines natural time-lines in the reservoir, which indicate how heterogeneity affects flow patterns in the reservoir.

The example shows how to solve models with multi-million cells by using C-accelerated geometry computation and a highly efficient algebraic multigrid method (AGMG) to solve the single-phase pressure equation.

The purpose of the SAIGUP project was to investigate the influence of geological features on the oil recovery from shallow-marine reservoirs. The example explains how to set up a single-phase flow simulation on one of the geostatistical models in the project. The model has faults and inactive cells, but no pinchout, and is an example of a realistic reservoir model.

The example shows how to set up a simplified simulation model using the reservoir geometry and petrophysical parameters from the simulation model of the Norne field. This is an example of a real grid model that has degenerate cell geometries and non-neighbouring connections arising from a large number of faults, eroded layers, pinch-outs, and inactive cells.

We explain how to solve a two-phase flow problem using the explicit and implicit transport solvers. The setup is the same as in the simple well example with a vertical injector and a horizontal producer.

The example compares and contrasts the displacement profile and production curves for a standard quater-five spot problem with and without capillary forces.

The example studies how a light fluid (CO_{2}) injected at the bottom of an inclined and sealing aquifer will migrate to the top of the formation, where it will be structurally trapped.

The example computes a simplified waterflooding scenario using the reservoir geometry and the petrophysical properties from a synthetic SAIGUP model. The model has 78 720 active cells and to speed up the computation, we use the AGMG multigrid solver when computing pressure.

The example computes a simplified waterflooding scenario using the reservoir geometry and the petrophysical properties from the Norne field model.

MRST's fluid representation is a structure of function handles which compute fluid properties (e.g., density or viscosity), fluid phase saturations, and relative-permeability and capillary-pressure curves. This representation supports generic implementation of derived quantities such as mobilities or flux functions for a wide range of fluid models. The incomp module offers the following fluid-object constructors:

incomp

initSingleFluid

initSimpleFluid

initSimpleFluidPc

initSimpleFluidJfunc

initCoreyFluid

To solve the resulting single-phase and two-phase incompressible fluid equations that can be modelled with the above fluid objects, the module offers three solvers:

incompTPFA

computeTrans

explicitTransport

implicitTransport

The three solvers should, at least in principle, be applicable to any kind of incompressible fluid model that follows the same convention as the fluid objects already implemented in the module. It is therefore not difficult to extend the functionality of the module to contain other relative-permeability models, more phases, etc.

The incomp module was originally implemented as part of MRST's core functionality, but has been moved to a separate module from release 2015a and onward.

Published December 8, 2016

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