FIELD: oil production industry. SUBSTANCE: this is aimed at stimulating liquid inflow to well due to formation of fractures in productive bed. It permits application of simple liquids for delivery of propping agent into fissures and prevents formation of obstacles to oil filtration. According to method, hydraulic fracturing of bed is effected by injection of fracturing liquid with propping agent into bed. Used as this agent are gas-filled granules. Their density is close to density of fracturing liquid. This allows for keeping propping agent in suspended state in fracturing liquid. Used as this liquid is one compatible with rock and bed fluid, for example water or oil. EFFECT: high efficiency.
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Authors
Dates
1997-11-20—Published
1995-02-21—Filed