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The article presents data management results of repair works performed in the wells with different values of bottom-hole pressure. Repairs performed during the last ten years in the wells drilled in the Tournaisian, Tula, Bashkirian, and Verey deposits have been involved into a special statistical analysis. The authors provide an assessment of possible risks for control and operation of wells with low bottom-hole pressure on the basis of their study experience. The main purpose of the analysis was to determine the...