Abstract
A method for isolating water inflows into the well by blocking high permeability zones with a gel-forming composition based on sodium silicate, including biologically active additives has been developed. Whey is used as a biologically active supplement. As a result of isolation of the watering intervals by the gel-forming composition, low-permeability oil-saturated areas are involved in the development. The gelation process can be adjusted depending on the concentrations of sodium silicate and whey, as well as the temperature at a certain depth of the reservoir, necessary for isolation. In order to prevent a premature coagulation process when the formation is saturated with hard formation water, fresh or softened water is pumped in front of the gel-forming composition. This technology is used to reach the residual resistance factor to the value 3.88, an increase in oil production will be 18.5%.
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