FIELD: oil and gas production. SUBSTANCE: proppant used when producing crude oil by hydraulic fracturing of formation method is prepared from aluminosilicate raw material in the form of granules with sphericity and circularity factor at least 0.8 and having waterproofing coating, obtained by applying organosilicon compounds based on orthosilicic acid ethyl esters (polymerized ethyl silicates) or cationic surfactants onto 0.1-2.5-mm granules with density 2.3-3.6 g/cu.cm. EFFECT: reduced water saturation of wells and well bottom zones of formation and increased oil recovery. 1 tbl
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MULTILAYERED PROPPANT AND METHOD FOR OBTAINING IT | 2014 |
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INSULATION METHOD OF FORMATION WATER INFLOW IN WELL AND LINING METHOD OF BOTTOM-HOLE FORMATION ZONE | 2010 |
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Authors
Dates
2002-03-10—Published
2000-11-17—Filed