Abstract
Background Due to the increasing share of hard-to-recover oil reserves, systems for well completion and intensification of fluid inflows are being improved. One of the most effective methods for producing hard-to-recover reserves is the drilling of horizontal wells with multi-stage hydraulic fracturing. This article is devoted to well completion technology with using controlled frac sleeves, which are controlled by the SandHawk tool on coil tubing. The article describes a Various types of frac sleeves, downhole drill stem assembly for preparing the well, for open and close ports by the SandHawk. Aims and Objectives Analysis the development of multi-stage fracturing and study the SandHawk tool for multi-stage fracturing in wells with a horizontal section at the Priobskoye field. Results The analysis of development and improvement of technologies for secondary drilling in wells with a horizontal section at the Priobskoye field was carried out.
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