Due to traditional oil and gas reserve depletion, the share of unconventional, hard-to-recover oil and gas reserves is constantly expanding. The cost of horizontal well stimulation used to increase oil recovery rate using multi-stage hydraulic fracturing is significantly higher. Addressing this requires the implementation of new technologies and services to facilitate optimal drilling, completion and stimulation returns, thus shifting the focus to analyzing well productivity increases. The use of developed production logging technology allows oil and gas producing companies to efficiently determine well productive intervals, thereby indicating high production rates and maintaining the profitability of operating wells by eliminating non-productive intervals. This data allows for planning field development with higher profitability by increasing the oil recovery rate.

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