FIELD: oil and gas industry.
SUBSTANCE: group of inventions can be used in oil production. Disclosed is a stearyldiethanolamine-based surfactant for increasing oil recovery of oil deposits of terrigenous reservoirs in conditions of high mineralization of water and high formation temperature of general formula I:
Also disclosed are versions of the composition for increasing oil recovery of deposits.
EFFECT: invention provides creation of effective surfactant for increasing oil recovery of formations.
3 cl, 7 dwg, 5 ex
| Title | Year | Author | Number |
|---|---|---|---|
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| METHOD FOR OIL BED EXTRACTION | 2003 |
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RU2244812C1 |
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| OIL DEPOSIT EXTRACTION METHOD | 2002 |
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| CONCENTRATE FOR PREPARING OIL DEPOSIT DEVELOPMENT CONTROL COMPOSITION AND OIL DEPOSIT DEVELOPMENT CONTROL COMPOSITION | 2002 |
|
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| CONCENTRATE FOR PREPARING OIL DISPLACEMENT COMPOSITION AND OIL DISPLACEMENT COMPOSITION | 2002 |
|
RU2236570C2 |
| COMPOSITION OF SURFACTANTS FOR INCREASED OIL RECOVERY | 2021 |
|
RU2782550C1 |
