Study of coal mine modified clean fracturing fluid and optimization of hydraulic fracturing sand adding process
To enhance the permeability of coal seam and improve the gas extraction efficiency is an effective measure to ensure the safety of coal mine production, especially, the research of hydraulic fracturing technology has shown better permeability enhancement efficiency of coal seam. However, when the te...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2025-08-01
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| Series: | Frontiers in Built Environment |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fbuil.2025.1554463/full |
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| author | Jun Liu Jun Liu Qinghua Zhang Qinghua Zhang Chiyu Zhang |
| author_facet | Jun Liu Jun Liu Qinghua Zhang Qinghua Zhang Chiyu Zhang |
| author_sort | Jun Liu |
| collection | DOAJ |
| description | To enhance the permeability of coal seam and improve the gas extraction efficiency is an effective measure to ensure the safety of coal mine production, especially, the research of hydraulic fracturing technology has shown better permeability enhancement efficiency of coal seam. However, when the technology is faced with deep and high stress environment, it is easy to cause“Water lock” in the area near the borehole, thus seriously hindering the efficiency of gas extraction. In order to solve the above problems, we deepened the study of more suitable for the upper hole fracturing resistance, hanging sand, anti-swelling, environmental protection and other requirements of cracking fluid: X3 thickening agent + P1 anti-expansion agent + J3 glue breaking agent, etc., and determined the matching S1 fracturing sand,In Songzao Coal Mine, the gas extraction effect is good after sand fracturing, and the average pure amount of gas extraction is 0.0036 m3/min, which is more than 2 times compared with water fracturing hole. The concentration of gas extraction is up to 65%, and it is 26% on average, which is more than 1 times compared with the concentration of water fracturing hole.The results provide parameter support for improving seam permeability and gas production efficiency, and provide important guidance for mine safety production. |
| format | Article |
| id | doaj-art-baf46e20c19b4c969852bf6e3b79f70f |
| institution | Kabale University |
| issn | 2297-3362 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Built Environment |
| spelling | doaj-art-baf46e20c19b4c969852bf6e3b79f70f2025-08-21T05:27:16ZengFrontiers Media S.A.Frontiers in Built Environment2297-33622025-08-011110.3389/fbuil.2025.15544631554463Study of coal mine modified clean fracturing fluid and optimization of hydraulic fracturing sand adding processJun Liu0Jun Liu1Qinghua Zhang2Qinghua Zhang3Chiyu Zhang4China Coal Technology Engineering Group Chongqing Research Institute, Chongqing, ChinaState Key Laboratory of Coal Mine Disaster Prevention and Control, Chongqing, ChinaChina Coal Technology Engineering Group Chongqing Research Institute, Chongqing, ChinaState Key Laboratory of Coal Mine Disaster Prevention and Control, Chongqing, ChinaCollege of Safety and Environment Engineering, Shandong University of Science and Technology, Qingdao, ChinaTo enhance the permeability of coal seam and improve the gas extraction efficiency is an effective measure to ensure the safety of coal mine production, especially, the research of hydraulic fracturing technology has shown better permeability enhancement efficiency of coal seam. However, when the technology is faced with deep and high stress environment, it is easy to cause“Water lock” in the area near the borehole, thus seriously hindering the efficiency of gas extraction. In order to solve the above problems, we deepened the study of more suitable for the upper hole fracturing resistance, hanging sand, anti-swelling, environmental protection and other requirements of cracking fluid: X3 thickening agent + P1 anti-expansion agent + J3 glue breaking agent, etc., and determined the matching S1 fracturing sand,In Songzao Coal Mine, the gas extraction effect is good after sand fracturing, and the average pure amount of gas extraction is 0.0036 m3/min, which is more than 2 times compared with water fracturing hole. The concentration of gas extraction is up to 65%, and it is 26% on average, which is more than 1 times compared with the concentration of water fracturing hole.The results provide parameter support for improving seam permeability and gas production efficiency, and provide important guidance for mine safety production.https://www.frontiersin.org/articles/10.3389/fbuil.2025.1554463/fullcoal seam permeabilitygas extractionhydraulic fracturingcoalfracturing fluid |
| spellingShingle | Jun Liu Jun Liu Qinghua Zhang Qinghua Zhang Chiyu Zhang Study of coal mine modified clean fracturing fluid and optimization of hydraulic fracturing sand adding process Frontiers in Built Environment coal seam permeability gas extraction hydraulic fracturing coal fracturing fluid |
| title | Study of coal mine modified clean fracturing fluid and optimization of hydraulic fracturing sand adding process |
| title_full | Study of coal mine modified clean fracturing fluid and optimization of hydraulic fracturing sand adding process |
| title_fullStr | Study of coal mine modified clean fracturing fluid and optimization of hydraulic fracturing sand adding process |
| title_full_unstemmed | Study of coal mine modified clean fracturing fluid and optimization of hydraulic fracturing sand adding process |
| title_short | Study of coal mine modified clean fracturing fluid and optimization of hydraulic fracturing sand adding process |
| title_sort | study of coal mine modified clean fracturing fluid and optimization of hydraulic fracturing sand adding process |
| topic | coal seam permeability gas extraction hydraulic fracturing coal fracturing fluid |
| url | https://www.frontiersin.org/articles/10.3389/fbuil.2025.1554463/full |
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