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发明名称
Prüfstrang zur Untersuchung mit einem am Ende eines Rohrstranges angebrachten Perforator
摘要
申请公布号
DE69312336(T2)
申请公布日期
1997.11.06
申请号
DE19936012336T
申请日期
1993.01.22
申请人
HALLIBURTON CO., DUNCAN, OKLA., US
发明人
BARRINGTON, BURCHUS Q., DUNCAN, OKLAHOMA 73533, US;GEORGE, FLINT R., KATY, TEXAS 77493, US
分类号
E21B21/00;E21B33/128;E21B33/129;E21B34/12;E21B43/1185;E21B49/08;(IPC1-7):E21B49/08;E21B43/118
主分类号
E21B21/00
代理机构
代理人
主权项
地址
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