发明名称 |
Method and apparatus for perforating and isolating perforations in a wellbore |
摘要 |
A method and apparatus for perforating and isolating perforations in a wellbore. A perforating and isolating apparatus includes at least one packer having a swellable seal material, and a perforating assembly attached to the packer. A method of perforating and isolating perforations in a subterranean wellbore includes the steps of: positioning an apparatus in the wellbore, the apparatus including at least one packer having a swellable seal material, and a perforating assembly attached to the packer; isolating at least one existing perforation by swelling the seal material; and forming at least one new perforation by actuating the perforating assembly.
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申请公布号 |
US7624793(B2) |
申请公布日期 |
2009.12.01 |
申请号 |
US20070852291 |
申请日期 |
2007.09.08 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
FREYER RUNE;CHALKER CHRISTOPHER J. |
分类号 |
E21B43/11 |
主分类号 |
E21B43/11 |
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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