FIELD: oil and gas production.
SUBSTANCE: invention relates to technological compositions used for increasing permeability of productive seams by carrying out hydrorupture of seam and can be used in extraction of gas and oil. Proposed liquid for hydraulic rupture of seam comprises the following components, wt.-%: potassium chloride, 6.00-7.00; sulfacell of sort 800, 1.30-2.00; aluminum sulfate, 0.15-0.80; disolvan, 0.03-0.05, and water, 90.15-92.52. Invention provides deceasing filtration, enhancing sand-retaining capacity, retention of filtration indices of critical zone of seam, availability of chemical reagents.
EFFECT: improved and valuable technical properties of liquid.
2 tbl
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| HYDRAULIC FRACTURING METHOD OF LOW-PERMEABLE BED WITH CLAY LAYERS | 2011 |
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