| 发明名称 |
DRILLSTRING PACKER ASSEMBLY |
| 摘要 |
A packer assembly for use in wellbore operations includes a first packer and a second packer interconnected by an adjustable length spacer. The spacer provides a mechanism for adjusting the distance between the first packer and the second packer when the assembly is positioned in a wellbore.
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| 申请公布号 |
US2008053652(A1) |
申请公布日期 |
2008.03.06 |
| 申请号 |
US20070754473 |
申请日期 |
2007.05.29 |
| 申请人 |
CORRE PIERRE-YVES;VAYNSHTEYN VLADIMIR;HOCQUET PHILIPPE;ELLSON NICK;ZAZOVSKY ALEXANDER F |
发明人 |
CORRE PIERRE-YVES;VAYNSHTEYN VLADIMIR;HOCQUET PHILIPPE;ELLSON NICK;ZAZOVSKY ALEXANDER F. |
| 分类号 |
E21B33/12 |
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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