▪ Abstract Efficiently and accurately solving the equations governing fluid flow in oil
reservoirs is very challenging because of the complex geological environment and the …

A variety of approaches for gridding and upscaling of detailed geocellular models for flow
simulation are reviewed. Local, extended local, global and quasi global techniques for the …

Practical production optimization problems typically involve large, highly complex reservoir
models, thousands of unknowns and many nonlinear constraints, which makes the …

A comprehensive framework for modeling flow in porous media containing thin, discrete
features, which could be high-permeability fractures or low-permeability deformation bands …

A new technique for upscaling highly variable permeability descriptions is developed and
demonstrated. The method provides coarse scale numerical properties (transmissibilities) …

The large-scale simulation of CO 2 storage operations can be expensive computationally,
particularly when the effects of fine-scale capillary pressure heterogeneity are included. The …

Scaleup techniques are commonly used to coarsen detailed geological models to scales
more appropriate for reservoir simulation. These techniques typically generate upscaled …

This paper presents an advanced history matching methodology for constraining 3D
stochastic reservoir models to both production history and 4D seismic attributes. The …

The multiscale nature of geological formations can have a strong impact on subsurface flow
processes. In an attempt to characterize these formations at all relevant length scales, highly …

Geologists often generate highly heterogeneous descriptions of reservoirs, containing
complex structures which are likely to give rise to very tortuous flow paths. However, these …