VEC 2
The Purpose
- Disabling of the depleted reservoir intervals;
- Elimination of the interstratal flows and flows behind the casing;
- Isolation of bottom water
Component Reagents
- Synergistic polymer composition VEC-2,
- Crosslinker,
- Water
Main Properties
- High selectivity of filtering;
- Adjustable gel time;
- High strength characteristics of the gel;
- Gel stability up to 100 °C;
- Possibility of destruction by chemical methods
Injection Volume
The optimum amount of the compound is calculated using the program, named "Calculation of injection volumes of gelling agents for water shutoff".
Equipment
- Portable APZR-P,
- Pump truck,
- Equipment for tying hole fittings;
- Hydraulic manipulator for loading and unloading
Application Technology
Injection of the composition;
- Flushing with water;
- Keeping the well under pressure during gelation process;
- Placing the well on production