Study On Chemical Agents Transmission Mechanism In Porous Media

Flooding chemical agents in porous media transmission belongs to physical chemical porous flow mechanics basic theoretical research. The paper on an experimental basis, the integrated use of porous flow mechanics, mathematical physics method, computational fluid dynamics, and other disciplines studies on the single phase and multiphase conditions flooding chemical agents in porous media transmission mechanism, physical simulation experiments and analytical methods can be used to get the chemicals in the water integrated diffusion coefficient, migration lag coefficient, and the paper analysises the experimental parameters and the relationship between the flow rate.Using the whole hermit difference format solves flooding chemical agent in porous media transmission equation under the single phase conditions, numerical solutions are basically agreed with experimental results, and chemical agents in porous media transmission rule is analyzed.A new measurement method of surfactants in oil diffusion coefficient is established and is simple and practical.Transmission equation of flooding chemical agent in porous media is established under multiphase conditions, and chemical agent adsorption on quartz, oil-water partition, and the surfactants diffusion coefficient in oil coefficient are surveyed. Using all hermit format solves this equation, and numerical solutions are compared with analytical solutions, and chemical agents in porous media transmission rule is analysed. Use of numerical simulation method ASP system chemical transmission mechanism is comparised with displacement system of a single chemical transmission mechanism in porous media, the ASP role of physical chemistry and synergies are knowed more.Chemical flooding numerical simulation software can use chemical transfer equation under the multiphase conditions in porous media which this paper stablishes to more complete it and better describe and predict complex chemical fluids in porous media transmission process, and it provides an assurance for field application.