Technological aspects of cased wells construction with cyclical-flow transportation of rock

A high-performance technology for constructing cased wells is proposed. Essence of the technology is the advance insertion of the casing pipe into the sedimentary rock mass and the cyclical-flow transportation of the soil rock portions using the compressed air pressure supplied to the open bottomhol...

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Bibliographic Details
Main Author: Andrei S. Kondratenko
Format: Article
Language:English
Published: Saint-Petersburg Mining University 2020-12-01
Series:Записки Горного института
Subjects:
Online Access:https://pmi.spmi.ru/index.php/pmi/article/view/13384?setLocale=en_US