发明名称 Apparatus for suspending a pipe within a well casing
摘要 Apparatus is disclosed for use in suspending a pipe from the lower end of a tubular body (20) concentrically within an outer casing (C). Pockets (21) are formed about the outer circumference of the body each to receive a cone (30) having an inner conical side adjacent the inner wall of a pocket, and a slip (40) having an inner conical side adjacent outer conical side of the cone.
申请公布号 GB2396171(A) 申请公布日期 2004.06.16
申请号 GB20030026085 申请日期 2002.05.17
申请人 * DRIL-QUIP, INC 发明人 JOHN M * YOKLEY
分类号 E21B23/01;E21B43/10;(IPC1-7):E21B23/00;E21B43/00 主分类号 E21B23/01
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