<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.