发明名称 Adjustable hanger for tubular strings
摘要 An adjustable tubular hanger for suspending a tubular string from a wellhead component is provided which includes an elongated body having a lower end adapted to be connected to the tubular string and an upper end portion including a plurality of axial annular grooves formed in the outer diameter surface thereof, each groove defining a downwardly facing support surface, and a support ring adapted to be positioned around the body in one of the grooves, the support ring having an upwardly facing load shoulder for engaging the support surface and a downwardly facing load surface for engaging a support shoulder formed in the wellhead component, whereby the elevation of the tubular hanger within the wellhead component can be adjusted depending on in which groove the support ring is positioned.
申请公布号 US6065542(A) 申请公布日期 2000.05.23
申请号 US19980206895 申请日期 1998.12.08
申请人 FMC CORPORATION 发明人 LALOR, RICHARD C.;MCBETH, RUSSELL E.;NIJJAR, AMRIK S.;ROUNTREE, KENNETH G.
分类号 E21B33/04;E21B33/043;(IPC1-7):E21B34/02 主分类号 E21B33/04
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