FIELD: oil production industry. SUBSTANCE: method is used for isolating water inflows to producing wells and absorbing zones in injection wells. According to method, oil emulsion is injected into oil beds, then injected is material which solves oil component of oil emulsion. Technical delay is undertaken, then acid solution is injected into oil beds interval after interval. Used as material which solves oil component of oil emulsion is waste matter from isoprene production process. EFFECT: high efficiency. 1 cl
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