Increasing Safety in an Underground Coal Mine through Degasification by Vertical Wells—Influence of the Relationship between the Permeability of Carbon and the Filter Cake of the Bentonite Suspension
The Hullera Vasco Leonesa (HVL) underground coal mine in northern Spain is subject to violent methane (CH<sub>4</sub>) outbursts. Vertical wells are used to extract CH<sub>4</sub> from coal layers to improve mine safety. Bentonite suspensions are used as drilling fluids in th...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-10-01
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| Series: | Energies |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1996-1073/16/21/7223 |