FIELD: oil and gas producing industry; applicable in treatment of low-productive formations for restoration of permeability of bottom-hole zones. SUBSTANCE: method includes successive injection into formation of mud acid solution, organic solvent and 1-15% solution of product of waste of ammonium chloride production. Ratio of injected volumes of mud acid solution and product of waste of ammonium chloride production is selected equal to 1: (1-2). EFFECT: higher oil recovery from low-productive formations. 1 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR TREATING BOTTOM-HOLE ZONE OF LOW-PRODUCTIVE RESERVOIRS IN BED | 1998 |
|
RU2139425C1 |
| METHOD TO INCREASE OUTPUT OF WELLS | 2000 |
|
RU2175052C1 |
| METHOD FOR RESTORING TIGHTNESS OF PRODUCTION STRINGS | 1997 |
|
RU2116432C1 |
| METHOD SETTING PROFILES OF ACCEPTANCE OF INJECTION WELLS | 2000 |
|
RU2169836C1 |
| COMPOSITION FOR TREATMENT OF BOTTOMHOLE FORMATION ZONE | 2002 |
|
RU2213216C1 |
| METHOD OF TREATING TERRIGENOUS AND CLAY OIL RESERVOIRS | 1999 |
|
RU2165013C1 |
| METHOD OF TREATING CLAY-CONTAINING OIL FORMATION RESERVOIRS | 1999 |
|
RU2165014C1 |
| MUD ACID TREATMENT METHOD OF BOTTOM-HOLE ZONE | 2010 |
|
RU2425971C1 |
| METHOD OF BOTTOM HOLE FORMATION ZONE PROCESSING | 2010 |
|
RU2467164C2 |
| PROCESS OF TEMPORARY INSULATION OF INTERVAL OF ACTIVE POOL | 2001 |
|
RU2190753C1 |
