СОФИТ

The Purpose

• Shutoff of reservoir working intervals;
• Elimination of cross-flows and behind-the-casing flows;
• Isolation of bottom water

Component Reagents

• Synergic polymer compound VEC-2
• Crosslinker
• Water

Main properties

• High filtering selectivity;
• 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