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发明名称
WELL CEMENTING COMPOSITIONS FOR FIGHTING ANNULAR FLOW OF GAS UNDER PRESSURE
摘要
申请公布号
EP0091377(B1)
申请公布日期
1988.06.15
申请号
EP19830400690
申请日期
1983.04.01
申请人
PUMPTECH N.V.
发明人
PARCEVAUX, PHILIPPE ANDRE;PIOT, BERNARD MAURICE;VERCAEMER, CLAUDE JOSEPH
分类号
C04B24/26;C04B28/02;C09K8/46;C09K8/487;(IPC1-7):C04B24/26;E21B33/13;C04B24/30
主分类号
C04B24/26
代理机构
代理人
主权项
地址
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