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发明名称
WELLHEAD BYPASS METHOD AND APPARATUS
摘要
申请公布号
CA2611316(A1)
申请公布日期
2006.12.14
申请号
CA20062611316
申请日期
2006.06.08
申请人
BJ SERVICES COMPANY
发明人
HILL, THOMAS G., JR.;BOLDING, JEFFREY L.
分类号
E21B19/08;E21B33/068
主分类号
E21B19/08
代理机构
代理人
主权项
地址
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