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发明名称
Gravel pack apparatus that includes a swellable element
摘要
申请公布号
GB2454829(B)
申请公布日期
2010.03.10
申请号
GB20090003089
申请日期
2007.09.13
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
SHAHRYAR SAEBI;EZIO TOFFANIN;RAYMOND J TIBBLES
分类号
E21B43/04;E21B33/12
主分类号
E21B43/04
代理机构
代理人
主权项
地址
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