METHOD FOR DEVELOPING COMPLEX-STRUCTURED DEEP-SEATED DEPOSITS Russian patent published in 2023 - IPC E21C41/30 E21C41/00 E21B7/28 E21B43/28 

FIELD: mining industry.

SUBSTANCE: invention can be used to develop complex-structured deep gold deposits. The development method includes drilling wells, identifying rich zones of a productive formation, extracting mineral mass from rich zones with an auger and a cylindrical bucket mounted on a drill rod. The formation of wells in rich zones is carried out with formation of a pit for placing a cylindrical bucket attached to the lower part of the body, a storage tank equipped with a movable ring blocking the holes in the bottom part of the storage tank. The mineral mass moved by expanders into the inner cavity of the cylindrical bucket is poured into the tank to the required loading level. After lifting the cylindrical bucket to the ground surface, the small productive fraction of the mineral mass is sieved through the holes of the tank, directed for gravitational enrichment, the bottom is sequentially opened, and the substandard coarse fraction is unloaded and sent to the dump. When mining zones with low gold content and transition zones using the methods of physical and chemical geotechnology, an oxygenated leaching solution with a high concentration of a complexing agent is supplied to the transition zones through injection wells, and a mother liquor additionally strengthened with a complexing agent is supplied to the injection wells of zones with a low gold content.

EFFECT: increasing technological efficiency and productivity of the development of deep deposits, increasing the reliability of excavation.

1 cl, 5 dwg