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经营范围
发明名称
Packer locking apparatus
摘要
申请公布号
US4989672(A)
申请公布日期
1991.02.05
申请号
US19900475614
申请日期
1990.02.05
申请人
HALLIBURTON COMPANY
发明人
BURNS, SR., TIMOTHY D.;CASKEY, KENNETH D.;WINSLOW, DONALD W.
分类号
E21B23/00;E21B23/01;E21B23/06;E21B33/129
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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