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坚硬难垮落顶板中定向裂隙的生成方法

Year of Publication 19.12.2017

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Patent

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煤矿井下智能压裂泵系统研究

by 李然, 孙晓冬, 刘波, 王大龙, 刘昊, 王统诚, 刘明亮, 王超
Published in 煤炭科学技术 (23.05.2022)

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Journal Article

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深孔聚能爆破坚硬顶板弱化试验研究

by 郭德勇商登莹吕鹏飞王升宇王金明
Published in 煤炭学报 (2013)

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Journal Article

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一种高压水力预裂切眼巷道钻孔布置方法

Year of Publication 10.04.2020

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Patent

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特厚煤层顶板超长钻孔水力压裂技术应用分析

by 门鸿, 赵华全, 窦桂东, 贾增林, 张营
Published in 中国矿业 (01.09.2022)

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Magazine Article

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坚硬顶板动压巷道远近应力场演化规律及调控技术

by 何杰, 程蓬, 吴乐, 范军平
Published in 煤炭科学技术 (2024)

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Journal Article

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Method for weakening coal seam hard top plate

by LIU LIANGLIANG, ZHANG YONGCHENG, LI DEHUI, LI BING, XU YUN, LIU JUN, QIN YUXIA, ZHANG JIANGHUA, WANG YUE, BAI YANG, ZHANG WEI
Year of Publication 24.11.2017

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Patent

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坚硬顶板水力分段压裂切顶留巷技术及应用研究

by 李明轩, 刘勇, 王永洁, 高龙, 刘永强, 王滨, 雷顺
Published in 中国矿业 (01.12.2023)

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Magazine Article

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Method for solving difficult-to-collapse problem of hard roof by ground vertical hole composite jet fracturing

by LIU LIANGLIANG, CUI YUXIANG, ZHANG YONGCHENG, LI DEHUI, XU YUN, QIN YUXIA, WANG YUE, ZHANG JIANGHUA, BAI YANG, ZHANG WEI
Year of Publication 17.11.2020

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Patent