发明名称 A CASING PATCH
摘要 <p>A casing patch (l0) includes a deformable seal (44) configurable to a deformed and undeformed position for sealing and unsealing respectively with a target stub (26) and a pressure based subsystem in operable communication with the deformable seal (44). The patch (l0) may also contain a stop ring to prevent overcompression of the seal (118).</p>
申请公布号 WO2008109891(A1) 申请公布日期 2008.09.12
申请号 WO2008US57634 申请日期 2008.03.20
申请人 BAKER HUGHES INCORPORATED;PALMER, LARRY, T.;LYNDE, GERALD, D. 发明人 PALMER, LARRY, T.;LYNDE, GERALD, D.
分类号 E21B23/04;E21B29/10;E21B33/12 主分类号 E21B23/04
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