发明名称 Mudline suspension system
摘要 A mudline suspension system for supporting a hanger and casing attached thereto from a wellhead member having an internal recess with an upwardly facing internal shoulder therein including a split ring latching member having fingers normally extending upwardly and outwardly with downwardly facing shoulders on the exterior of the fingers adapted to engage the internal shoulder on the wellhead when the latch member is positioned in said recess, and releasable means for retaining the latch member supported on the hanger during running, the latch member when in engagement with said internal shoulder providing a landing surface for the hanger which supports the hanger and casing.
申请公布号 US4355825(A) 申请公布日期 1982.10.26
申请号 US19800197113 申请日期 1980.10.15
申请人 CAMERON IRON WORKS, INC. 发明人 LEICHT, FREDERICK M.
分类号 E21B17/08;E21B33/043;(IPC1-7):E21B19/10 主分类号 E21B17/08
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