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
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