发明名称 |
Apparatus and methods for creation of down hole annular barrier |
摘要 |
Methods and apparatus are provided for performing an expedited shoe test using an expandable casing portion as an annular fluid barrier. Such an expandable annular fluid barrier may be used in conjunction with cement if so desired but cement is not required. Further provided are methods and apparatus for successfully recovering from a failed expansion so that a shoe test can be completed without replacement of the expandable casing portion. |
申请公布号 |
GB2442393(A) |
申请公布日期 |
2008.04.02 |
申请号 |
GB20080000415 |
申请日期 |
2006.07.21 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
LEV RING;ROBERT LANCE COOK |
分类号 |
E21B43/10;E21B21/10 |
主分类号 |
E21B43/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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