Chemical agent oil displacement whole-process physical simulation device and chemical agent oil displacement whole-process physical simulation method

The invention relates to a chemical agent oil displacement whole-process physical simulation device and method, and the device comprises a visual pouring flat plate model which is provided with a sample feeding hole, a sampling hole and a sample discharging hole; the oil filling piston container and the water filling piston container are connected with the sample injection hole through a valve assembly; the constant-flux pump is used for pumping oil or water in the oil-filled piston container and the water-filled piston container to the visual pouring flat plate model; the sampling container and the pressure sensor are connected with the sampling hole and are used for analyzing the consumption condition of the chemical agent in the porous medium through the sample and monitoring the pressure condition near the sampling place; and the metering container is connected with the sample outlet hole and is used for collecting the flowing-out sample. The model is provided with a plurality of sampling and pressure mea