Patent ID: 6991044

Claim:
A high energy combined perforating device for oil-gas wells, comprising a one-section perforating gun or a multisection perforating gun ( 1 ), a perforating gun top ( 2 ) provided at an upper end of an uppermost section perforating gun ( 1 ), a perforating gun bottom ( 7 ) provided at a lower end of a lowermost perforating gun ( 1 ), an igniting device ( 3 ) inside or outside of the perforating gun top ( 2 ), a charge strip ( 10 , 22 ) installed in a perforating carrier ( 9 ), a plurality of unit perforators mounted in the charge strip ( 10 , 22 ) and a detonating cord ( 15 ) connects with each of the unit perforators, said energetic material ( 14 ) being formed as granular material or solid piece which is provided axially with a detonating cord hole ( 5 ′), the detonating cord ( 15 ) being installed in the detonating cord hole ( 5 ′) and connected with ends of shaped charges ( 13 ) of a perforating charge.