| 摘要 |
FIELD: explosive means employed to perforate wells in oil and gas industry. SUBSTANCE: shaped charge includes explosive charge with through axial conduit and blasting aid. Lining is arranged on internal surface and blasting aid is put on external surface of charge. Thickness, height, mass of charge and mass of lining are chosen by relations given in formula of invention. EFFECT: raised reliability and efficiency of operation of shaped charge. 1 cl, 1 dwg, 1 tbl |
