发明名称 DOWNHOLE PERFORATION TOOL
摘要 The present invention relates to a downhole perforation tool for detonation of a charge downhole to perforate a casing (15), the tool having a longitudinal direction (1), comprising at least two charges (2) and a charge holder part (5) comprising at least two recesses in which the charges are at least partly arranged. The at least two charges are arranged in a plane transverse and substantially perpendicular to the longitudinal direction of the tool. The invention furthermore relates to a method for perforating a casing downhole.
申请公布号 WO2011080291(A3) 申请公布日期 2011.09.09
申请号 WO2010EP70834 申请日期 2010.12.29
申请人 WELLTEC A/S;HALLUNDBAEK, JOERGEN 发明人 HALLUNDBAEK, JOERGEN
分类号 E21B43/119;E21B43/117 主分类号 E21B43/119
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