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发明名称
METHOD OF FIRING PERFORATING GUN AND SIMULTANEOUSLY RECORDING DOWNHOLE PRESSURE
摘要
申请公布号
GB2093501(B)
申请公布日期
1985.01.23
申请号
GB19820003326
申请日期
1982.02.05
申请人
VANN ROY RANDELL
发明人
分类号
E21B43/1185;E21B43/119;E21B47/06;E21B49/08;(IPC1-7):E21B47/06
主分类号
E21B43/1185
代理机构
代理人
主权项
地址
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