发明名称 |
COMPOSITION FOR FORMATION WATER SHUTOFF |
摘要 |
FIELD: oil producing industry; applicable for limiting and shutoff of formation water inflow to well in development of oil fields. SUBSTANCE: composition for formation water shutoff contains, wt.%: alkali metal silicate 0.3-4.0; salt of alkali-earth metal 0.01- 0.08; salt of alkali metal 0.2-0.4; polymethylsiloxan 0.2-0.6; the balance, water. Alkali natal silicate is used in composition in form of siallite. EFFECT: provided strong nonwashable shutoff system in water-saturated intervals of oil formation. 1 tbl |
申请公布号 |
RU2213214(C1) |
申请公布日期 |
2003.09.27 |
申请号 |
RU20020123612 |
申请日期 |
2002.09.04 |
申请人 |
PAZIN ALEKSANDR NIKOLAEVICH |
发明人 |
PAZIN A.N.;TKACHEV A.E.;PASTUKHOVA N.N. |
分类号 |
C09K8/506;C09K8/86;E21B43/22 |
主分类号 |
C09K8/506 |
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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