| Decrease of the reservoir pressure (compared to initial) | Not more than 25% |
| Water cut | Not more than 80% |
| The number of streaks in the perforation zone | Not more than 10 |
| Minimal thickness of the producing formation | 3 m |
| Self potential | Not more than 0.5 |
| Permeability | More than 0.25 μm2 |
| Clay content | Not more than 15% |
| Drop in oil production over the last 1 - 2 years, not associated with decrease of reservoir pressure or other technical reasons | By 2 times and higher |
| Dynamic viscosity in reservoir conditions | Not more than 25 mPa*s |