Selection of the required number of circulating subs in a special assembly and investigation of their performance during drilling of radial branching channels by sectional positive displacement motors

The task of sludge removal to the surface during construction of directional and horizontal wells and strongly curved radial channels is relevant. For stable operation of technical system “Perfobore”, it is proposed to use a circulating sub that ensures efficient cleaning of channel wellbore from th...

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Bibliographic Details
Main Authors: Ilya А. Lyagov, Aleksander V. Lyagov, Dinislam R. Isangulov, Аnastasiya А. Lyagova
Format: Article
Language:English
Published: Saint-Petersburg Mining University 2024-02-01
Series:Записки Горного института
Subjects:
Online Access:https://pmi.spmi.ru/pmi/article/view/15936?setLocale=en_US