发明申请
US20100319520A1 PERFORATING GUNS WITH REDUCED INTERNAL VOLUME 有权
执行内部减少的内存

PERFORATING GUNS WITH REDUCED INTERNAL VOLUME
摘要:
A perforating device has an elongated tubular housing and a loading device supporting a plurality of shaped charges. The loading device and the shaped charges are located inside the housing. A volume reduction device is adapted to fit within the loading device and to conform to the profile of the shaped charges thereby filling open volume in the housing.
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