Oil and gas accumulation physical simulation device and experimental method

The invention provides an oil and gas accumulation physical simulation device and an experimental method.The oil and gas accumulation physical simulation device comprises a simulation box, a booster pump, a heating device, at least four propellers and a plurality of push rod mechanisms, the heating device is arranged in the simulation box, and the booster pump is communicated with the simulation box; the at least four propellers are arranged at the two ends of the simulation box in the horizontal direction and comprise the first propeller, the second propeller, the third propeller and the fourth propeller, the first propeller and the second propeller are located at the left end, and the first propeller is arranged above the second propeller. The third propeller and the fourth propeller are located at the right end, and the third propeller is arranged above the fourth propeller. Different stresses are applied to the stratum in the simulation box, stress deformation of the stratum with a complex structure is si