Abstract
Summary The share of horizontal wells with multistage hydraulic fracturing in the well stock of RN-Uvatneftegaz is increasing every year and this trend will continue for the next 5 years. At the same time, the well productivity significantly decreases, which leads to declining oil production. The most promising method for restoring oil production in horizontal wells with multi-stage hydraulic fracturing is repeated multi-stage hydraulic fracturing. An analysis was carried out and the criteria for the selection of well-candidates were determined.
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