FIELD: oil production industry. SUBSTANCE: this is used for investigation of wells and substantiating their shutting-in. Method implies control for watering of well product, oil production cost at given watering, determination of residual oil reserve per each well, and water-oil factor. After that, calculated is general criteria of feasibility of shutting-in of well and recommendations are given for shutting-in of well if value of criteria exceeds 0.5. Aforesaid criteria is determined with the help of mathematical expressions. EFFECT: high efficiency. 2 dwg
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