| 发明名称 |
METHOD FOR ISOLATION OF ABSORPTION ZONES |
| 摘要 |
FIELD: oil and gas production industry. SUBSTANCE: this relates to isolation of absorption zones in drilling wells. Improved efficiency of isolation is achieved due to prevention of contact between plugging material and water at delivering material to bed. According to method, prior to introducing protopolymer of urethane line into well, injected preliminarily are polyhydric alcohols for example diethyleneglycol. EFFECT: higher efficiency. 1 tbli
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| 申请公布号 |
RU2106476(C1) |
申请公布日期 |
1998.03.10 |
| 申请号 |
RU19950106388 |
申请日期 |
1995.04.24 |
| 申请人 |
NAUCHNO-PROIZVODSTVENNOE UPRAVLENIE AKTSIONERNOGO;N PROIZV UPRAVLENIE AKTSIONERN |
发明人 |
SELIKHANOVICH A.M.;OLEJNIKOV A.N.;GORONOVICH S.N.;ISHMAKOV R.KH.;KOSHTOREV N.I.;SELIKHANOVICH A.M.;OLEJNIKOV A.N.;GORONOVICH S.N.;ISHMAKOV R.KH.;KOSHTOREV N.I. |
| 分类号 |
E21B33/13;C09K8/44;E21B21/14;E21B33/138;(IPC1-7):E21B33/138 |
主分类号 |
E21B33/13 |
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