FIELD: oil producing industry. SUBSTANCE: compound for stimulation of oil recovery from formation contains the following components, mas.%: carbamide 4.0- 16.0; aluminum chloride or nitrate (in terms of anhydrous one) 2.0-4.0; urotropin 2.0-8.0; the balance, water. Compound possesses improved filtering characteristics and is applicable in formations with temperature below 60 C. EFFECT: higher efficiency. 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| OIL RECOVERY ENHANCING COMPOSITION AND PREPARATION METHOD THEREOF | 2009 |
|
RU2410406C1 |
| COMPOUND FOR ISOLATION OF HIGH-PERMEABLE INTERVALS IN BED | 1995 |
|
RU2094606C1 |
| COMPOSITION FOR INCREASE OF OIL RECOVERY FROM FORMATION | 1997 |
|
RU2131971C1 |
| COMPOUND FOR WATER SHUTOFF IN WELLS AND INCREASE OF OIL RECOVERY | 1994 |
|
RU2076202C1 |
| METHOD CONTROL OVER OIL DEPOSIT DEVELOPMENT | 2010 |
|
RU2467165C2 |
| METHOD OF DEVELOPMENT OF OIL DEPOSIT | 2016 |
|
RU2610958C1 |
| COMPOSITION FOR ENHANCED OIL RECOVERY | 2020 |
|
RU2746609C1 |
| METHOD OF DEVELOPING OIL DEPOSIT | 1999 |
|
RU2168618C2 |
| METHOD FOR INCREASING THE PETROLEUM RECOVERY OF LAYERS | 2021 |
|
RU2772651C1 |
| METHOD FOR CONTROLLING OVER DEVELOPMENT OF OIL DEPOSIT WITH STRATA OF VARIOUS PERMEABILITY | 1992 |
|
RU2061856C1 |
