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经营范围
发明名称
Well packer having an energized sealing element and associated method
摘要
申请公布号
GB2417271(A)
申请公布日期
2006.02.22
申请号
GB20050022129
申请日期
2004.09.16
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
PHILIPPE GAMBIER
分类号
E21B33/12;E21B33/127
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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DETERGENTS
