ArticleInternational journal of environmental research and public health2022
Determination of Key Technical Parameters in the Study of New Pressure Sealing Technology for Coal Seam Gas Extraction.
Article in International journal of environmental research and public health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Research on the Performance of Cement-Based Composite Borehole Sealing Material Based on Orthogonal Test.ACS omega · 2024Article
- Study of Reasonable Grouting Pressure in the Process of Measuring Coal Seam Gas Pressure and Application.ACS omega · 2023Article
- Discrimination Method of Gas Pressure Measurement in Coal Seams: Physical Experiment and Model Development.ACS omega · 2022Article
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Authors and funding
6 authors.
Funding
Abstract
Coal is affected by the concentrated stress disturbance of mining, the disturbance of drilling hole formation, and the concentrated stress of coal shrinkage and splitting of gas desorption from the hole wall; these result in a large number of secondary cracks that collect and leak gas. As a result, it is difficult for the coal seam sealing process to meet engineering quality sealing requirements, which results in problems such as low gas concentration during the extraction process. In this paper, based on the analysis of coal pore and fissure characteristics, and in view of the current situation of gas drainage and sealing in this coal seam, combined with the existing grouting and sealing technology, it is proposed to use pressure grouting and sealing to realize the sealing of deep coal bodies in the hole wall. According to the field conditions, the experimental pressure sealing parameter index is as follows: theoretical sealing length
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