Modelling pressure dynamics of oil-gas two-phase flow in double-porosity media formation with permeability-stress sensitivity.

ABSTRACT: Pressure dynamics can reflect the basic characteristics of fluid flow through underground porous formation. In this research, the oil-gas two-phase flow model for a double-porosity media formation with permeability-stress sensitivity was first established for three kinds of outer boundaries. The unified governing equation was deduced by utilizing the H function. The nonlinear mathematical model in consideration of permeability-stress sensitivity was linearized by implementing the canonical perturbation transformation and then solved by using the Laplace transformation. After that, a sequence of typical log-log curves of pressure dynamics influenced by various model parameters were plotted and analyzed. These curves reflect the typical characteristic of a V shape caused by the inter-porosit

SUBMITTER: Zhang C 

PROVIDER: S-EPMC11489427 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature