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经营范围
发明名称
PACKER
摘要
A packer includes a sealing element, a gage and a plurality of foldback ring s. The rings are located between the gage and the sealing element.
申请公布号
CA2542633(A1)
申请公布日期
2006.12.23
申请号
CA20062542633
申请日期
2006.04.10
申请人
SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER CANADA LIMITED
发明人
HENDRICKSON, JAMES D.;CONAWAY, SETH;GROSSER, KAREN
分类号
E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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