发明名称 Perforating gun
摘要 An improved perforating gun having a tubular housing, a tubular carrier and a charge carried by the tubular carrier. The tubular carrier comprises an inside diameter, an outside diameter and an opening disposed between the inside diameter and the outside diameter. The charge comprises a forward end positioned in the opening between the inside diameter and the outside diameter. The tubular carrier increases a collapsible-pressure rating for the housing and positions the charge closer to the formation.
申请公布号 US2009038846(A1) 申请公布日期 2009.02.12
申请号 US20070890371 申请日期 2007.08.06
申请人 WALKER JERRY L 发明人 WALKER JERRY L.
分类号 E21B43/116;F42D3/00 主分类号 E21B43/116
代理机构 代理人
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