Understanding Permeability and Pore Throat Radius in Sandstone Reservoirs

Abstract

The pore throat radius in sandstone reservoirs is an important factor in considering oilfield development and project design. In this paper, the core test results of sandstone reservoir with different permeability and casting thin-section analysis are used for explaining the variations of pore throat radius and permeability, simulating the relation expression of permeability with average pore radius and throat radius. Consequently, the pore throat size of sandstone reservoir with certain permeability can be determined conveniently.