FIELD: oil and gas production.
SUBSTANCE: composition of the polysaccharide gel for hydraulic fracturing, containing highly mineralized water, a gelling agent based on guar gum, a borate crosslinker, a destructor - a peroxide compound, as a borate crosslinker contains 33% or 50%, or 53% of water or a water-alcohol solution or suspension in diesel fuel or kerosene of boric acid, or sodium tetraborate, or ulexite, or a mixture of boric acid with sodium tetraborate or carbon dioxide, as highly mineralized water contains a 36-40% solution of potassium bromide in fresh technical water at the following ratio, wt.%: the specified gelling agent 0.36; specified crosslinker 0.12-0.18; specified destructor 0.03-0.10; the specified solution of potassium bromide the rest.
EFFECT: ability to control the time of hydraulic fracturing, stability of the composition for hydraulic fracturing, increase in the efficiency of the hydraulic fracturing operation due to the absence of swelling of the composition for hydraulic fracturing, optimal values of the viscosity of the composition for hydraulic fracturing, providing an additional increase in pressure on the rock of the bottomhole formation zone, complete disintegration of the composition for hydraulic fracturing after completion of hydraulic fracturing.
3 cl, 1 dwg, 3 tbl, 7 ex
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