Basic methods for processing the preceal zone of the Variegan deposit plast

This article considers the process of increasing oil recovery and solving the difficulties in the course of well operation by methods of bottomhole formation treatment, in particular, used at the Varioganskoye field. The following problems of well operation were studied: decrease of production rate, high water cut of wells, salt deposits, paraffin deposits. The efficiency of hydrochloric acid treatment, treatment with scaling inhibitor SNPCH-5312T and treatment with industrial water was evaluated.