High-temperature and high-pressure multilayer single-particle aging device and method for polymeric proppant

The invention belongs to the technical field of oil production engineering. A high-temperature high-pressure multilayer single-particle aging device for a polymeric proppant comprises a shell, a particle module unit, a liquid injection assembly and a pressure regulating assembly, the shell is a sealed structure; the plurality of groups of particle module units are arranged in the shell in a stacked manner; the liquid injection assembly is used for injecting a solution into the particle module unit; the pressure regulating assembly is used for regulating the pressure in the shell; each particlemodule unit comprises a lower die plate, an upper die plate and a liquid flow channel. The invention also discloses a high-temperature and high-pressure multilayer single-particle aging method for the polymeric proppant. The aging test device is reasonable in structural design, can realize batch and single-particle aging, can improve the data type and consistency of the aging test, and is convenient for evaluation of the