发明名称 |
Pakningsanordning til bruk innen en brønnboring |
摘要 |
A packer device includes a central packer mandrel and a radially surrounding expansion mandrel that can expand radially. At least one slip mandrel carrying wickers surrounds the expansion mandrel and a plurality of axial slots are disposed within the slip mandrel. |
申请公布号 |
NO339965(B1) |
申请公布日期 |
2017.02.20 |
申请号 |
NO20070005638 |
申请日期 |
2007.11.06 |
申请人 |
Baker Hughes Inc |
发明人 |
Doane James C;Harper Jason M |
分类号 |
E21B33/12;E21B23/06;E21B33/129;E21B33/1295 |
主分类号 |
E21B33/12 |
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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