| 发明名称 |
COMPOSITION FOR DEPOSITION PREVENTION IN OIL FIELD EQUIPMENT |
| 摘要 |
FIELD: oil production. SUBSTANCE: composition has, wt.-%: hydroxyethylene diphosphonic acid, 4.5-5.0; product of addition of ethylene oxides to ethylenediamine bis-(alkylpolyhydroxyethylene)-phosphate of the general formula $$$ where: n = 8-10; m = 6 35-39, and aliphatic alcohol, the balance. EFFECT: enhanced effectiveness of composition. 3 tbl |
| 申请公布号 |
RU95106166(A) |
申请公布日期 |
1997.04.27 |
| 申请号 |
RU19950106166 |
申请日期 |
1995.04.20 |
| 申请人 |
NAUCHNO-ISSLEDOVATEL'SKIJ INSTITUT PO NEFTEPROMYSLOVOJ KHIMII |
发明人 |
BIKCHANTAEVA N.V.;KOLTYSHEVA T.N.;ALESHKINA I.V.;MONAKHOVA N.V.;VINOGRADOV E.A.;SMIRNOV V.V. |
| 分类号 |
C09K3/00;C09K8/524;E21B37/06 |
主分类号 |
C09K3/00 |
| 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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