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发明名称
DOWNHOLE TOOL AND METHOD FOR PERFORATING AND SAMPLING
摘要
申请公布号
EP0295922(A3)
申请公布日期
1989.12.13
申请号
EP19880305522
申请日期
1988.06.17
申请人
HALLIBURTON COMPANY
发明人
CHRISTENSEN, JON BRENT
分类号
E21B34/10;E21B43/116;E21B47/06;E21B49/00;E21B49/08;(IPC1-7):E21B49/08
主分类号
E21B34/10
代理机构
代理人
主权项
地址
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