发明名称 Apparatus for suspending a pipe within a well casing
摘要 An apparatus suspends a pipe from the lower end of a tubular body positioned concentrically within an outer casing. Pockets are formed about the outer circumference of the body, each to receive a cone having an inner conical side adjacent the inner wall of each pocket, and a slip having an inner conical side adjacent an outer conical side of the cone. Slots are formed in side walls of the pocket for guiding the slip an securing the slip and cone with respect to the body.
申请公布号 US6722428(B2) 申请公布日期 2004.04.20
申请号 US20020146785 申请日期 2002.05.16
申请人 DRIL-QUIP, INC. 发明人 YOKLEY JOHN N.
分类号 E21B23/01;E21B43/10;(IPC1-7):E21B23/01 主分类号 E21B23/01
代理机构 代理人
主权项
地址