Semipermeable Wall Model of a Multilayer Reservoir with Crossflow
Abstract
A new model, called a semipermeable wall, is presented for a stratified reservoir. The model is used to study the influence of crossflow on pressure transient well tests and other single-phase flow problems. The reasons for single-phase crossflow in multilayer reservoirs are discussed. Solutions for linear and radial incompressible flow in a stratified reservoir with crossflow are presented; effects of reservoir parameters and crossflow on pressure are studied, and a criterion for considering crossflow between layers is suggested.
Keywords
Multilayered reservoir; Crossflow; Semipermeable walls model; Solutions
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