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经营范围
发明名称
CONTROLLING INJECTION OF FLUIDS INTO WELLS
摘要
申请公布号
SG98887(G)
申请公布日期
1988.09.30
申请号
SG19870000988
申请日期
1987.11.06
申请人
OTIS ENGINEERING CORP.
发明人
分类号
E21B23/03;E21B34/14;E21B43/12;(IPC1-7):E21B23/03
主分类号
E21B23/03
代理机构
代理人
主权项
地址
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