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Manufacturing and manufacturing industries

No. 2 (23) - 2024 / 2024-06-30 / Number of views: 108

INCREASING THE GAS OUTPUT OF UNDERGROUND DEGASSING WELLS IN THE COAL SEAM

Authors

Abylkas Saginov Karaganda Technical University
Abylkas Saginov Karaganda Technical University
Abylkas Saginov Karaganda Technical University
Abylkas Saginov Karaganda Technical University
Abylkas Saginov Karaganda Technical University

Keywords

coal seam, gas release, hydraulic fracturing, mine, well, fractures, methane
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PDF (RU)

Link to DOI:

https://doi.org/10.58805/kazutb.v.2.23-254

How to quote

Meiram Е. ., Usenbekov М., Zhumabekov М. ., Rabatuly М., and Isabek Т. . “INCREASING THE GAS OUTPUT OF UNDERGROUND DEGASSING WELLS IN THE COAL SEAM”. Vestnik KazUTB, vol. 2, no. 23, June 2024, doi:10.58805/kazutb.v.2.23-254.
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Abstract

This paper presents the results of the application of hydraulic fracturing of a coal seam to increase its gas recovery. At the same time, mine water was pumped through wells with a diameter of 93 mm and a length of 40-80 meters at a pressure of no more than 300 atm through packers. Measurements at the wellhead before and after hydraulic fracturing showed an increase in coal seam gas recovery by an average of 1.8 times.

Kazakh university of technology and business