FIELD: oil production industry. SUBSTANCE: this relates to increasing oil recovery coefficient due to more uniform displacement of oil by agent. According to method, horizontal wells are drilled in productive thickness of oil bed so that distance from flooding source to horizontal well at its each point is inversely proportional to oil reserve in given zone and directly proportional to conductivity of oil beds. In case of multiple-bed deposit or large thickness, horizontal well is driven in the form of several loops, and aforesaid relationship is maintained in each loop. EFFECT: high efficiency. 1 dwg
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