| 发明名称 |
COMPOSITION FOR PREVENTING FORMATION WATER INFLOW IN WELL |
| 摘要 |
FIELD: oil and gas production. SUBSTANCE: composition contains cement and 40-50% aqueous solution of glycol in amount 40-50% of cement weight. EFFECT: increased reliability of selectively insulating formation water. 2 cl
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| 申请公布号 |
RU2136844(C1) |
申请公布日期 |
1999.09.10 |
| 申请号 |
RU19970108385 |
申请日期 |
1997.05.21 |
| 申请人 |
GOVDUN VASILIJ VASIL'EVICH |
发明人 |
GOVDUN V.V. |
| 分类号 |
C09K8/46;C04B24/02;C09K8/467;E21B33/138;E21B43/32;(IPC1-7):E21B33/138 |
主分类号 |
C09K8/46 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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