Methodology for calculating technical efficiency of power sections in small-sized screw downhole motors for the «Perfobur» system

With an increase in the share of old and low-yield wells and for the efficient exploitation of fields, it is necessary to include low-capacity formations into production. There are many wells where sidetracking and hydraulic fracturing are difficult due to the close proximity of the gas cap and unde...

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Bibliographic Details
Main Authors: I. A. Lyagov, F. D. Baldenko, A. V. Lyagov, V. U. Yamaliev, A. A. Lyagova
Format: Article
Language:English
Published: Saint-Petersburg Mining University 2019-12-01
Series:Записки Горного института
Online Access:https://pmi.spmi.ru/index.php/pmi/article/view/13248?setLocale=en_US