| 发明名称 |
METHOD OF TREATMENT OF BOTTOM-HOLE FORMATION ZONE OF INJECTION WELL |
| 摘要 |
FIELD: oil producing industry. SUBSTANCE: method includes injection of oxidizer, the first process holding, injection of acid solution and the second process holding, pulse- depression stimulation with pumping out of well fluid. EFFECT: higher permeability of injected well bottom-hole formation zone, provided cleaning of well and increased well injectivity. 1 ex
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| 申请公布号 |
RU2143062(C1) |
申请公布日期 |
1999.12.20 |
| 申请号 |
RU19980119859 |
申请日期 |
1998.11.03 |
| 申请人 |
NEFTEGAZODOBYVAJUSHCHEE UPRAVLENIE "BAVLYNEFT'" OA;TATNEFT O |
发明人 |
GANIEV G.G.;IVANOV A.I.;VALEEV M.KH.;SIVUKHIN A.A. |
| 分类号 |
E21B43/18;E21B43/25;E21B43/27;(IPC1-7):E21B43/25 |
主分类号 |
E21B43/18 |
| 代理机构 |
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