High-temperature and high-pressure leaking stoppage simulation test device for drilling fluid

The utility model relates to the technical field of drilling fluid leaking stoppage tests, in particular to a high-temperature and high-pressure leaking stoppage simulation test device for drilling fluid, which comprises a fixing plate, a pressurizing device comprising a pressurizing pump, a drilling simulation device comprising a cylinder, and a leaking stoppage device arranged on the upper surface of the fixing plate close to the right end and comprising a tray and a leaking stoppage liquid container. Universal wheels are arranged at the positions, close to the four corners, of the lower surface of the fixing plate, hydraulic cylinders are arranged at the positions, close to the bottom and corresponding to the leakage holes, of the outer wall of the cylinder, a sealing cover is arranged in the annular groove, and a heating rod is embedded in the sealing cover; according to the high-temperature and high-pressure leaking stoppage simulation test device for the drilling fluid, an interlayer of a cylinder in a