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发明名称
INFLATABLE STRADDLE PACKER
摘要
申请公布号
AR244848(A1)
申请公布日期
1993.11.30
申请号
AR19900317396
申请日期
1990.07.17
申请人
HALLIBURTON COMPANY
发明人
分类号
E21B23/00;E21B33/124;E21B34/12;(IPC1-7):E21B33/12;E21B33/127
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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