发明名称 CUMULATIVE PERFORATOR
摘要 A jet perforator includes charges in individual bodies fixed at connecting element, centralizers, restrictor, holder of detonating fuse, initiation means. Charges are by slots on covers, by means of stopper rings, fixed on connecting element made of two or more thin plates connected to each other with screws, those have at whole length through openings through centers of which axes of charges pass, on detonating fuse setter of perforation pitch is installed. Tail element is arranged as end of connecting element bended to distance equal to cross diameter of the perforator.
申请公布号 UA26299(U) 申请公布日期 2007.09.10
申请号 UA20070005503 申请日期 2007.05.21
申请人 UKRAINIAN STATE GEOLOGICAL EXPLORATION INSTITUTE 发明人 VOITENKO YURII IVANOVYCH;HOSHOVSKYI SERHII VOLODYMYROVYCH;DRACHUK OLEKSANDR HRYHOROVYCH
分类号 E21B43/117 主分类号 E21B43/117
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