FIELD: petroleum industry.
SUBSTANCE: invention relates to oil production industry and can be used both for repair insulation work and for isolation of water inflows and absorption zone in injection and production wells. The polymer compound contains (% by weight): acetone-formaldehyde resin 60-93, amino-formaldehyde resin 1.86-30, alkaline hardener 0.4-2, water - residual, the acetone-formaldehyde resin/amino-formaldehyde resin ratio being 1:0.02÷0.5.
EFFECT: increased efficiency and quality of isolation of the absorption zones and repair insulation work.
1 tbl, 6 ex
| Title | Year | Author | Number |
|---|---|---|---|
| POLYMERIC PLUGGING COMPOSITION | 2004 |
|
RU2259469C1 |
| PREPARATION METHOD OF BACKFILL COMPOUND FOR REPAIR INSULATION WORK | 2011 |
|
RU2485285C1 |
| METHOD FOR REPAIR AND INSULATION WORKS IN WELL | 2016 |
|
RU2650001C1 |
| COMPOSITION FOR REPAIR-INSULATION OPERATIONS IN WELL | 2003 |
|
RU2248441C1 |
| COMPOUND FOR ISOLATION AND RESTRICTION OF WATER INFLUX TO WELLS | 2014 |
|
RU2564323C1 |
| COMPOSITION FOR MAINTENANCE AND ISOLATION OPERATIONS IN WELLS | 2003 |
|
RU2250983C1 |
| METHOD OF REMEDIAL CEMENTING OPERATIONS IN WELL | 2017 |
|
RU2640854C1 |
| POLYMER GROUTING COMPOSITION | 2002 |
|
RU2212520C1 |
| METHOD OF PRODUCTION STRING SEALING | 2013 |
|
RU2520217C1 |
| METHOD OF SHUT-OFF AND RESTRAINT OF WATER PRODUCTION IN WELLS | 2007 |
|
RU2349731C2 |
