FIELD: oil and gas production.
SUBSTANCE: composition for isolation of inflow in well includes, the following components, wt %: carbamide formaldehyde resin 25-35, polyacryl amide or carboxymethylcellulose 0.1-1.5, hardener - sulfamic acid 0.25-1.5, water with mineralisation from 0.5 to 290 g/l - balance.
EFFECT: improved efficiency and quality of isolation due to higher rheological, strength and adhesion properties of composition for isolation.
2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| GEL-FORMING FORMULATION TO SHUT OFF WATER INFLOW INTO WELL | 2004 |
|
RU2277573C1 |
| FORMULATION TO SHUT OFF WATER INFLOW INTO PRODUCING WELL AND TO CONTROL INTAKE CAPACITY PROFILE OF INJECTING WELLS | 2005 |
|
RU2293102C1 |
| COMPOUND FOR CONTROL OF DEVELOPMENT OF OIL DEPOSITS (VERSIONS) | 2009 |
|
RU2429270C2 |
| METHOD OF SHUT-OFF AND RESTRAINT OF WATER PRODUCTION IN WELLS | 2007 |
|
RU2349731C2 |
| COMPOUND FOR ISOLATION AND RESTRICTION OF WATER INFLUX TO WELLS | 2014 |
|
RU2564323C1 |
| MULTIFUNCTIONAL COMPOSITION FOR BOTTOMHOLE FORMATION ZONE TREATMENT AND ISOLATION OF WATER INFLUX TO WELL | 2014 |
|
RU2572254C1 |
| METHOD OF BOTTOM-HOLE REGION LINING | 2010 |
|
RU2467156C2 |
| METHOD FOR REPAIR AND INSULATION WORKS IN WELL | 2016 |
|
RU2650001C1 |
| METHOD FOR EQUALIZING OF INTAKE CAPACITY PROFILE IN PRESSURE WELLS AND OF LIMITING INFLOW IN PRODUCING WELLS | 2006 |
|
RU2339803C2 |
| COMPOSITION FOR INSULATION AND WATER SUPPLY LIMITATION TO HOLES | 2007 |
|
RU2348674C2 |
