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发明名称
SYSTEM AND METHOD FOR DYNAMICALLY ADJUSTING THE CENTER OF GRAVITY OF A PERFORATING APPARATUS
摘要
申请公布号
CA2759161(A1)
申请公布日期
2010.09.16
申请号
CA20102759161
申请日期
2010.02.09
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
HALES, JOHN H.;NOVAK, ALLISON E.;BURLESON, JOHN D.
分类号
E21B43/116;E21B43/117;E21B43/119
主分类号
E21B43/116
代理机构
代理人
主权项
地址
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