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经营范围
发明名称
A perforation apparatus
摘要
申请公布号
GB2358033(A)
申请公布日期
2001.07.11
申请号
GB20010007221
申请日期
1998.02.03
申请人
* HALLIBURTON ENERGY SERVICES, INC.
发明人
RON VAN * PETEGEM;PERRY C. * SHY;DAVID L. * REESING;ALAN T * JACKSON
分类号
E21B23/02;E21B34/14;E21B43/116;E21B43/119;E21B43/267;(IPC1-7):E21B43/116;E21B43/26
主分类号
E21B23/02
代理机构
代理人
主权项
地址
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