FIELD: oil production. SUBSTANCE: in agreement with process grouting mortar is supplied to absorption zone over pouring pipes. Calculated volume of grouting mortar is delivered into absorption zone by portions. These portions alternate with portions of elastoviscous separator. After every portion of grouting mortar with separator it is left in quiescent state in zone close to shaft for time of loss of mobility. During this operation balance of pressures in well and stratum is provided. EFFECT: diminished material expenses, improved quality of isolation of absorption zones.
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