This lesson covers the concept of flow through porous media, focusing on immiscible flow, saturation, and capillary pressure. It delves into the relationship between capillary pressure and pore radius, explaining how capillary pressure is inversely proportional to the mean radius of curvature. The lesson also discusses the concept of saturation, explaining how the penetration of non-wetting phase into pores increases saturation. It further explores the concept of irreducible and residual saturation, explaining how they limit the range of wetting phase saturation. The lesson concludes by discussing methods to determine capillary pressure, including the porous diaphragm device and centrifuge method.

- Capillary pressure is inversely proportional to the mean radius of curvature.
- The penetration of non-wetting phase into pores increases saturation.
- Irreducible and residual saturation limit the range of wetting phase saturation.
- The porous diaphragm device and centrifuge method are used to determine capillary pressure.

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