Apparent permeability in tight gas reservoirs combining rarefied gas flow in a microtube
Apparent permeability in tight gas reservoirs combining rarefied gas flow in a microtube
In tight gas reservoirs, the major flow channels are composed of micro/nanopores in which the rarefaction effect is prominent and the traditional Darcy law is not appropriate for gas flow. By combining the Maxwell first-order slip boundary condition and Navier–Stokes equations, a three-dimensional (3D) analysis of compressible gas slip flow …