FIELD: mining.
SUBSTANCE: invention relates to methods of rock destruction. Method of rock destruction involves a drilling of cylindrical bore pits in given destruction plane, making shaped side cuts on walls of bore pits in direction from the mouth of bore pit to its bottom, orienting tops of side cuts in a given destruction plane and creating the breaking load in bore pits. There is an additional shaped cut, top of which is located in common plane with tops of side shaped cuts made on walls of bore pits on the bottoms of bore pits.
EFFECT: higher efficiency of rock destruction process, reduced volume of drilling operations in oil production and granite blocks sauteing.
1 cl, 3 dwg
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