发明名称 Casing patch
摘要 A casing patch includes a deformable seal configurable to a deformed and undeformed position for sealing and unsealing respectively with a target stub and a pressure based subsystem in operable communication with the deformable seal. The patch may also contain a stop ring to prevent overcompression of the seal.
申请公布号 US2008217000(A1) 申请公布日期 2008.09.11
申请号 US20070713976 申请日期 2007.03.05
申请人 PALMER LARRY THOMAS;LYNDE GERALD D 发明人 PALMER LARRY THOMAS;LYNDE GERALD D.
分类号 E21B23/00 主分类号 E21B23/00
代理机构 代理人
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