发明名称 Reverse cementing float shoe
摘要 A float shoe comprising an upper section having a casing connection at an upper end thereof, and a lower section slidably coupled to the upper section, the lower section comprising a closed lower end and having at least one port disposed therein.
申请公布号 US2004084182(A1) 申请公布日期 2004.05.06
申请号 US20020283507 申请日期 2002.10.30
申请人 EDGAR MIKE;HORTON GREG 发明人 EDGAR MIKE;HORTON GREG
分类号 E21B21/10;(IPC1-7):E21B17/14 主分类号 E21B21/10
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