The unsaturated soil hydraulic properties (the soil water characteristic and relative permeability curves) are key hydrodynamic parameters in the fields of soil science and civil engineering. Because of the strong dependency of these properties on water content, their determination is subject to considerable experimental and numerical problems. Difficulties increase when the soil approaches ove...

Accurate permeability estimation has always been a concern in determining flow units, assigning appropriate capillary pressure andrelative permeability curves to reservoir rock types, geological modeling, and dynamic simulation.Acoustic method can be used as analternative and effective tool for permeability determination. In this study, a four-step approach is proposed for permeability estimati...

Capillary pressure and relative permeability behavior of unconsolidated sands are capillary pressure behavior of deepwater turbidites and described differences present in six facies. Honarpour et al. (1986) discussed several models for estimating relative permeability between end-point measurements and documented empirical exponents used by other workers to describe flow behavior associated wit...

The paper quantitatively explore the influence of injection rate and temperature on oil-water relative permeability curves during hot water flooding operations in a porous medium flow. ANSYS-CFD was used to construct numerical model hot-water into an oil saturated sandstone core sample. modelling technique is based Eulerian-Mixture model, using 3D cylindrical sample with known inherent porosity...

New guidelines and suggestions for taking reliable effective relative permeability measurements in heterogeneous rocks are presented. The results based on a combination of high resolution 3D core-flooding simulations semi-analytical solutions the cores. Synthetic “data sets” generated using TOUGH2 subsequently used to calculate curves. A comparison between input curves “calculated” is assess ac...

The substantial interference of the tight reservoir's capillary pressure on relative permeability measurement can significantly diminish prediction accuracy oilfield production. This study established an innovative method to eliminate effect calculation by combining modified numerical simulation model and Genetic Algorithm. Steady-state measurements were conducted core sample (0.0321mD) obtain ...

This work is a primary achievement in studying the CO2 and N2–oil systems. To predict gas-liquid relative permeability curves, a Shan-Chen type multicomponent multiphase lattice Boltzmann model for two-phase flow through 2D porous media is developed. Periodic and bounce back boundary conditions are applied to the model with the Guo scheme for the external body force (i.e., the pressure gradient...