In the previous chapter we analyzed the process of single-phase flow in homogeneous porous media, and the result was a proof of Darcy’s law and a method of predicting the permeability tensor. In this chapter we consider porous media that are clearly heterogeneous, i.e., porous media in which there are abrupt and significant changes in the permeability. Such systems can be referred to as mechanically heterogeneous in order to distinguish them from porous media in which there are abrupt and significant changes in the chemical characteristics. These systems are referred to as chemicallyheterogeneous. Most geological systems tend to be both mechanically and chemically heterogeneous, but in this chapter we will be concerned only with the influence of mechanical heterogeneities.
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- Single-Phase Flow in Heterogeneous Porous Media
- Springer Netherlands
- Chapter 5