发明名称 |
METHOD OF RESTRICTING WATER PRODUCTION INTO OIL PRODUCING WELL |
摘要 |
FIELD: oil and gas production. ^ SUBSTANCE: method of restricting water production into oil producing well consists in lowering flow string up to insulated interval and in successive pumping of process solutions and water-cement solution. Oil-cement solution is preliminary pumped; further there is pumped a composition for flushing oil film from porous channels at bottomhole zone of the bed and for curing oil-cement solution; oil-cement solution corresponds to 0.05-0.2 % water solution of non-ionogenic surface active substance AF9-12; also pumping of composition for oil film flushing and curing of oil-cement solution are commenced upon pressure rise at 20-25% from primary at pumping oil-cement solution. ^ EFFECT: raised efficiency of repair-insulating operations in well. ^ 2 tbl, 1 ex |
申请公布号 |
RU2370629(C1) |
申请公布日期 |
2009.10.20 |
申请号 |
RU20080122733 |
申请日期 |
2008.06.04 |
申请人 |
OTKRYTOE AKTSIONERNOE OBSHCHESTVO "TATNEFT'" IM. V.D. SHASHINA |
发明人 |
ZHIRKEEV ALEKSANDR SERGEEVICH;KADYROV RAMZIS RAKHIMOVICH;KHASANOVA DIL'BARKHON KELAMEDINOVNA;SAKHAPOVA AL'FIJA KAMILEVNA;BAKALOV IGOR' VLADIMIROVICH |
分类号 |
E21B33/13 |
主分类号 |
E21B33/13 |
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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