发明名称 A HIGH-ENERGY COMBINED WELL PERFORATING DEVICE
摘要 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.
申请公布号 CA2446888(C) 申请公布日期 2008.06.17
申请号 CA20022446888 申请日期 2002.02.06
申请人 XI'AN TONGYUAN PETROTECH CO., LTD. 发明人 ZHANG, XI;ZHANG, TINGHAN
分类号 E21B43/116 主分类号 E21B43/116
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