| 摘要 |
Method for water insulation and restriction of water inflows to oil and gas wells includes injection of grouting mortar. As grouting mortar one uses mud solution that is pumped with alternation, caustic soda dissolved in water, pressing water with surface-active substance (SAS), buffer layer of oil. Mud solution has density 1,12-1,16 g/cmand viscosity 55-60 s. |
