发明授权
US06564870B1 Method and apparatus for completing wells with expanding packers for casing annulus formation isolation
失效
用于完成用于套管环形隔离的膨胀式封隔器的井的方法和装置
- 专利标题： Method and apparatus for completing wells with expanding packers for casing annulus formation isolation
- 专利标题（中）： 用于完成用于套管环形隔离的膨胀式封隔器的井的方法和装置
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申请号： US09666802申请日： 2000-09-21
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公开(公告)号： US06564870B1公开(公告)日： 2003-05-20
- 发明人: Tommy F. Grigsby , Sanjay Vitthal
- 申请人： Tommy F. Grigsby , Sanjay Vitthal
- 主分类号： E21B4310
- IPC分类号： E21B4310
摘要：
Expanding packers for use in oil or gas wellbores, with and without casing, for isolating a casing annulus or geologic formation from the remainder of the wellbore and for increasing production flow rates. These expanding packers are useful in completing sidetracked wells.
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