CN102628345B - 一种高密封性的近水平钻孔密封方法 - Google Patents
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Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102913184B (zh) * | 2012-10-26 | 2015-05-27 | 河南理工大学 | 瓦斯抽采钻孔人造隔离墙二次复合高压注浆封孔工艺 |
CN102953752B (zh) * | 2012-10-30 | 2015-06-17 | 中国矿业大学 | 一种含水瓦斯抽采钻孔密封方法 |
CN103075179B (zh) * | 2012-12-14 | 2014-12-10 | 中国矿业大学 | 本煤层瓦斯抽采钻孔双管抽采方法 |
CN103075128B (zh) * | 2012-12-31 | 2015-07-29 | 中国矿业大学 | 一种瓦斯抽采钻孔的封孔方法 |
CN103195390B (zh) * | 2013-04-10 | 2015-08-05 | 山西潞安环保能源开发股份有限公司 | 一种本煤层近水平瓦斯抽采钻孔密封方法 |
CN103410467B (zh) * | 2013-07-15 | 2015-12-23 | 中国矿业大学 | 一种持续带压钻孔封孔装置及方法 |
CN103993902B (zh) * | 2014-05-22 | 2016-04-27 | 中国矿业大学 | 一种瓦斯抽采钻孔两步注浆封孔方法 |
CN104265237B (zh) * | 2014-09-03 | 2017-06-09 | 安徽理工大学 | 一种瓦斯抽采孔的封孔方法 |
CN105041262A (zh) * | 2015-06-13 | 2015-11-11 | 山西晋城无烟煤矿业集团有限责任公司 | 三堵两注封孔方法 |
CN105134254B (zh) * | 2015-07-27 | 2017-07-04 | 山东大学 | 一种透巷道地面钻孔套管封固装置及其操作工艺 |
CN105089548A (zh) * | 2015-08-11 | 2015-11-25 | 重庆市能源投资集团科技有限责任公司 | 一种近水平高承压钻孔封孔方法及封孔结构 |
CN105673064B (zh) * | 2016-01-11 | 2018-03-20 | 山东科技大学 | 一种耐高压钻孔密封装置及方法 |
CN106437610B (zh) * | 2016-10-17 | 2018-07-27 | 华北理工大学 | 一种基于膨胀剂的瓦斯抽采二次封孔方法 |
CN108104865B (zh) * | 2017-11-28 | 2019-06-11 | 中国矿业大学 | 一种顺层钻孔防漏风瓦斯抽采方法 |
CN108915648B (zh) * | 2018-06-29 | 2020-10-13 | 徐州工程学院 | 一种适用于高温氮气注入煤层钻孔的密封方法 |
CN110952951A (zh) * | 2019-12-13 | 2020-04-03 | 安徽理工大学 | 近距离卸压煤层穿层瓦斯抽采钻孔的高气密性封孔方法 |
CN113153273A (zh) * | 2021-03-18 | 2021-07-23 | 华能煤炭技术研究有限公司 | 一种煤层瓦斯压力测定结构及测定方法 |
CN113153211A (zh) * | 2021-04-08 | 2021-07-23 | 煤炭科学研究总院 | 两堵两注封孔装置和封孔方法 |
CN113236341B (zh) * | 2021-06-02 | 2022-10-21 | 山东科技大学 | 一种煤矿井下强化瓦斯抽采的装置及使用方法 |
Citations (4)
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DE19543291A1 (de) * | 1994-11-30 | 1996-06-05 | Norbert Hacker | Vorrichtung zum Abdichten eines Bohrloches |
CN102071961A (zh) * | 2010-12-24 | 2011-05-25 | 陕西陕煤韩城矿业有限公司 | 一种下行瓦斯抽放钻孔和测压钻孔封孔方法 |
CN102140901A (zh) * | 2011-05-13 | 2011-08-03 | 中国矿业大学 | 一种耐高压钻孔密封方法 |
CN102287218A (zh) * | 2011-08-16 | 2011-12-21 | 贵州永聚恒丰科技发展有限公司 | 一种瓦斯抽放封孔装置 |
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2012
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Patent Citations (4)
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DE19543291A1 (de) * | 1994-11-30 | 1996-06-05 | Norbert Hacker | Vorrichtung zum Abdichten eines Bohrloches |
CN102071961A (zh) * | 2010-12-24 | 2011-05-25 | 陕西陕煤韩城矿业有限公司 | 一种下行瓦斯抽放钻孔和测压钻孔封孔方法 |
CN102140901A (zh) * | 2011-05-13 | 2011-08-03 | 中国矿业大学 | 一种耐高压钻孔密封方法 |
CN102287218A (zh) * | 2011-08-16 | 2011-12-21 | 贵州永聚恒丰科技发展有限公司 | 一种瓦斯抽放封孔装置 |
Non-Patent Citations (2)
Title |
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新型水力压裂钻孔密封材料的试验研究;李飞等;《煤矿安全》;20120131;第43卷(第1期);12-14 * |
李飞等.新型水力压裂钻孔密封材料的试验研究.《煤矿安全》.2012,第43卷(第1期),12-14. |
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