FIELD: oil and gas industry.
SUBSTANCE: invention relates to oil industry and is aimed at increasing stability of aqueous solutions of polymers in formation conditions used to isolate water influx into oil wells, to increase oil recovery and reduce water production of wells, to control injection capacity of injection wells. Modified polymer thickener contains water-soluble polyacrylamide and adipic acid as a stabilizer.
EFFECT: improved stability of insulating properties in time when used as thickening and structure-forming agents in oil production processes.
1 cl, 2 tbl, 12 ex
| Title | Year | Author | Number |
|---|---|---|---|
| OIL DISPLACEMENT COMPOSITION | 2020 |
|
RU2727986C1 |
| METHOD FOR BALANCING INJECTION WELL WATER-INTAKE CAPACITY PROFILE AND RESTRICTION OF WATER INFLUX TO PRODUCTION WELLS | 2015 |
|
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|
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|
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|
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| INJECTIVITY PROFILE CONTROL METHOD FOR INJECTION WELL AND WATER INFLUX RESTRICTION METHOD FOR PRODUCING WELL | 2005 |
|
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| PROCEDURE FOR DEVELOPMENT OF NON-UNIFORM RESERVOIR | 2010 |
|
RU2424426C1 |
| JUSTIFICATION METHOD OF INPUT PROFILE IN INJECTION WELL | 2015 |
|
RU2610961C1 |
| METHOD OF EQUALIZATION OF INJECTIVITY PROFILE IN INJECTION WELLS AND RESTRICTION OF WATER INFLOWS TO PRODUCING WELLS | 2000 |
|
RU2169258C1 |
| DEVELOPMENT METHOD OF NON-HOMOGENEOUS OIL FORMATION | 2014 |
|
RU2541973C1 |
