Physical simulation experimental device for water invasion performance of fissured gas reservoir with bottom water

The utility model discloses a physical simulation experimental device for water invasion performance of fissured gas reservoir with bottom water. The physical simulation experimental device comprises a core holder, a fissured rock sample, a high-pressure injection pump, a gas supply container, a water supply container, a gas-water separator and a gas flowmeter, wherein the core holder comprises a holder barrel body, a rubber sleeve, a containing chamber and an annular confining pressure space; the fissured rock sample is placed in the containing chamber; the high-pressure injection pump is communicated with the confining pressure space of the core holder through a first hollow pipe; a first switch valve is arranged on the first hollow pipe; the gas supply container and the water supply container are in a parallel connection and are connected to an inlet end of the core holder; a second switch valve is arranged between the gas supply container and a second hollow pipe; a third switch valve is arranged between the water supply container and the second hollow pipe; the gas-water separator and the gas flowmeter are in series connection; the gas-water separator is connected to an outlet end of the core holder; and a fourth switch valve is arranged on a third hollow pipe. By adopting the physical simulation experimental device, the simulation study on water invasion performance of fissured gas reservoir with bottom water can be performed in a laboratory; and the physical simulation experimental device has the advantages of being accurate in test data, simple in equipment, and easy to operate.