Micro core-drilling testing system for high-pressure environment

A micro core-drilling testing system, comprising:

• a pressure chamber;
• a micro core-drilling testing platform;
• and
• a control device;
• wherein the micro core-drilling testing platform is arranged in the pressure chamber;
• the micro core-drilling testing platform comprises a lower tray, a middle tray, a hydraulic system, a stroke cylinder, a rock sample plate, a rock sample block, a pressure compensation device and a drilling rig;
• the middle tray is arranged on the lower tray through a plurality of first upright posts;
• the hydraulic system and the pressure compensation device are arranged on the lower tray;
• the rock sample plate is supported on the plurality of first upright posts;
• the rock sample block is fixed on the rock sample plate;
• the middle tray is provided with a first guide column;
• the first guide column is vertically provided with a guide chute;
• the drilling rig is installed on a slide rest;
• the slide rest is arranged in the guide chute;
• a lower end of the stroke cylinder is hingedly connected to the middle tray or a bottom of the first guide column, and an upper end of the stroke cylinder is hingedly connected to the slide rest;
• a drill pipe of the drilling rig is located directly above the rock sample block;
• the middle tray is provided with a first drill pipe hole corresponding to the drill pipe;
• the drilling rig, the pressure compensation device and the stroke cylinder are connected to the hydraulic system;
• and the hydraulic system is connected to the control device.