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 WO02095178(A3) 申请公布日期 2003.06.05
申请号 WO2002US15644 申请日期 2002.05.17
申请人 DRIL-QUIP, INC. 发明人 YOKLEY, JOHN, M.
分类号 E21B23/01;E21B43/10 主分类号 E21B23/01
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