WELL BOREING METHOD Russian patent published in 2020 - IPC F42D1/08 

FIELD: soil or rock drilling; mining.

SUBSTANCE: method relates to mining, namely to the field of drilling and blasting operations, and is intended for the explosion products locking in the wells charging cavity. Method can be used in industries using blasting operations in rock massifs, in particular, in open mining of minerals. In the method implementation, the bag of plastic material with a load, after pulling it from outside with a rope above the load, is turned inside out so that the load is located inside the bag, and the inert material is filled up after filling of the suspended stem.

EFFECT: higher efficiency of well screening.

1 cl, 1 dwg