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发明名称
Access points for tubing and casing monitoring and casing annulus remediation system.
摘要
申请公布号
GB2460329(A)
申请公布日期
2009.12.02
申请号
GB20090008619
申请日期
2009.05.20
申请人
VETCO GRAY, INC.
发明人
FRANK C ADAMEK;DAVID D COMEAUX;JAMES J HOWELL;NOEL A MONJURE;RICHARD PORTEOUS
分类号
E21B19/22;E21B21/00
主分类号
E21B19/22
代理机构
代理人
主权项
地址
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