High-energy combined well perforating device

Details High-energy combined well perforating device High-energy combined well perforating device

2006-01-31

2006-01-31

Dang, Hoang (Department: 3672)

Boring or penetrating the earth

Boring with explosion in inaccessible hole

Concave-shaped charge

C166S055100, C102S310000, C102S320000

Reexamination Certificate

active

06991044

ABSTRACT:
The invention relates to a perforating device comprising one or more perforating gun (1) installed in a perforating body (9), a perforating gun head (2) in the uppermost end of the perforating body (9), a perforating gun base (7) in the lowermost end of the perforating body (9) and a detonating device (3) installed inside or outside the perforating head (2), in which a charge frame (10, 22) is installed inside of the perforating body (9). A plurality of perforator unit connected each other by a detonating cord (15) are provided on the charge frame (10, 22). Every perforator unit comprises an explosive box (11) in a charge socket, a charge (13) in charge housing (12) and energy-bearing media (14). Moreover, an energy-bearing media sleeve (28) is provided outside of the perforating device. The perforating device is easy to manufacture with low cost and can be used securely in the operation.

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