发明名称 |
PACKER CUP WITH BACKUP COMPONENT |
摘要 |
The present invention provides a packer cup system for use inside a wellbore comprising a packer cup and a backup component coupled thereto. In one configuration, the backup component further comprises an angled support member and a rubber ring disposed between the angled support member and the packer cup. The support member is configured to facilitate uniform expansion of the rubber ring. |
申请公布号 |
CA2582904(C) |
申请公布日期 |
2014.07.22 |
申请号 |
CA20072582904 |
申请日期 |
2007.03.28 |
申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
XU, ZHENG RONG;ORITZ, AVEL;ESPINOSA, FRANK |
分类号 |
E21B33/126;E21B33/12;E21B43/25 |
主分类号 |
E21B33/126 |
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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