Article(id=1311360830969569453, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1311360814477575028, articleNumber=null, orderNo=null, doi=10.13426/j.cnki.yky.2025.11.08, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1763654400000, receivedDateStr=2025-11-21, revisedDate=1767456000000, revisedDateStr=2026-01-04, acceptedDate=null, acceptedDateStr=null, onlineDate=1790582386008, onlineDateStr=2026-09-28, pubDate=1787155200000, pubDateStr=2026-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790582386008, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790582386008, creator=13701087609, updateTime=1790582386008, updator=13701087609, issue=Issue{id=1311360814477575028, tenantId=1146029695717560320, journalId=1146123346816638986, year='2026', volume='45', issue='3', pageStart='1', pageEnd='172', issueExtLink='null', onlineDate='null', pubDate='1787155200000', pubDateStr='2026-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1790582382077, creator='13701087609', updateTime=1790583873531, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311367070160355561, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1311360814477575028, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311367070160355562, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1311360814477575028, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=29, endPage=34, ext={EN=ArticleExt(id=1311360831208644782, articleId=1311360830969569453, tenantId=1146029695717560320, journalId=1146123346816638986, language=EN, title=Key Parameters for Casing Slotted Well in In-situ Leaching of Uranium, columnId=1175805041752556213, journalTitle=Uranium Mining and Metallurgy, columnName=Mining and Hydrometallurgy, runingTitle=null, highlight=null, articleAbstract=

In order to solve the problems of cumbersome construction process, irreplaceable filter and non-convertible function of extractable liquid in complex sandstone type uranium deposits in the traditional in-situ leaching uranium well configuration (such as large-diameter gravel filling well configuration), a new type of slotted well configuration and its construction technology were proposed. The configuration adopts a one-diameter to the end method, the casing is lowered through the whole hole and the reverse grouting is cemented, and then the industrial ore section is slapped by high-pressure hydraulic sandblasting technology to open up the hydraulic connection channel inside and outside the casing. Through laboratory tests, the key technical parameters of hydraulic sandblasting joints were studied, including the effects of spray pressure, nozzle diameter and moving speed on the depth and width of the joints. The results indicate the optimal slotted performance is achieved when the injection pressure is maintained 30 MPa, the nozzle diameter is set at 3.5 mm, and the moving speed is controlled at 90 mm/min. The slotted well configuration has the advantages of simple construction process, high efficiency, less consumables and high well quality, and is suitable for the mining of complex sandstone type uranium deposits to improve the recovery rate of uranium resources.

, authors=Xilong LI, Jifan YAN, Xiaokui LIU, Wenjie KOU, authorsList=Xilong LI, Jifan YAN, Xiaokui LIU, Wenjie KOU, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1311360832055894191, articleId=1311360830969569453, tenantId=1146029695717560320, journalId=1146123346816638986, language=CN, title=地浸采铀割缝式钻孔施工关键技术参数优化, columnId=1175805041991631542, journalTitle=铀矿冶, columnName=开采·选冶, runingTitle=null, highlight=null, articleAbstract=

针对传统地浸采铀钻孔结构(如大孔径填砾式钻孔结构)在复杂砂岩型铀矿床中存在的施工工序繁琐、过滤器不可更换、抽注液功能不可转换等问题,提出了一种新型的割缝式钻孔结构及其施工工艺。该结构采用“一径到底”方式,在全孔下放套管并逆向注浆固井,随后通过高压水力喷砂技术对工业矿层段进行割缝,打通套管内外的水力联系通道。通过室内试验,研究了割缝压力、喷嘴直径、割缝速度等关键技术参数对割缝深度和宽度的影响。研究结果表明,在割缝施工压力30 MPa、喷嘴直径3.5 mm、割缝速度90 mm/min时,割缝效果最佳。割缝式钻孔结构施工工艺简单、效率高、耗材少、钻孔质量高,适用于复杂砂岩型铀矿床的开采,可以提高铀资源回收率。

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地浸采铀割缝式钻孔施工关键技术参数优化
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李喜龙 , 闫纪帆 , 刘晓奎 , 口文杰
铀矿冶 | 开采·选冶 2026,45(3): 29-34
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地浸采铀割缝式钻孔施工关键技术参数优化
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李喜龙, 闫纪帆, 刘晓奎, 口文杰
作者信息
  • 中核通辽铀业有限责任公司,内蒙古 通辽 028000
Key Parameters for Casing Slotted Well in In-situ Leaching of Uranium
Xilong LI, Jifan YAN, Xiaokui LIU, Wenjie KOU
Affiliations
  • Tongliao Uranium Co., Ltd., CNNC, Tongliao 028000, China
出版时间: 2026-08-20 doi: 10.13426/j.cnki.yky.2025.11.08
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针对传统地浸采铀钻孔结构(如大孔径填砾式钻孔结构)在复杂砂岩型铀矿床中存在的施工工序繁琐、过滤器不可更换、抽注液功能不可转换等问题,提出了一种新型的割缝式钻孔结构及其施工工艺。该结构采用“一径到底”方式,在全孔下放套管并逆向注浆固井,随后通过高压水力喷砂技术对工业矿层段进行割缝,打通套管内外的水力联系通道。通过室内试验,研究了割缝压力、喷嘴直径、割缝速度等关键技术参数对割缝深度和宽度的影响。研究结果表明,在割缝施工压力30 MPa、喷嘴直径3.5 mm、割缝速度90 mm/min时,割缝效果最佳。割缝式钻孔结构施工工艺简单、效率高、耗材少、钻孔质量高,适用于复杂砂岩型铀矿床的开采,可以提高铀资源回收率。

地浸采铀  /  钻孔结构  /  割缝  /  割缝式钻孔  /  高压水力喷砂  /  施工参数  /  施工工艺

In order to solve the problems of cumbersome construction process, irreplaceable filter and non-convertible function of extractable liquid in complex sandstone type uranium deposits in the traditional in-situ leaching uranium well configuration (such as large-diameter gravel filling well configuration), a new type of slotted well configuration and its construction technology were proposed. The configuration adopts a one-diameter to the end method, the casing is lowered through the whole hole and the reverse grouting is cemented, and then the industrial ore section is slapped by high-pressure hydraulic sandblasting technology to open up the hydraulic connection channel inside and outside the casing. Through laboratory tests, the key technical parameters of hydraulic sandblasting joints were studied, including the effects of spray pressure, nozzle diameter and moving speed on the depth and width of the joints. The results indicate the optimal slotted performance is achieved when the injection pressure is maintained 30 MPa, the nozzle diameter is set at 3.5 mm, and the moving speed is controlled at 90 mm/min. The slotted well configuration has the advantages of simple construction process, high efficiency, less consumables and high well quality, and is suitable for the mining of complex sandstone type uranium deposits to improve the recovery rate of uranium resources.

in-situ leaching of uranium  /  well configuration  /  slotted  /  slotted well  /  high-pressure hydraulic sandblasting  /  construction parameters  /  construction technology
李喜龙, 闫纪帆, 刘晓奎, 口文杰. 地浸采铀割缝式钻孔施工关键技术参数优化. 铀矿冶, 2026 , 45 (3) : 29 -34 . DOI: 10.13426/j.cnki.yky.2025.11.08
Xilong LI, Jifan YAN, Xiaokui LIU, Wenjie KOU. Key Parameters for Casing Slotted Well in In-situ Leaching of Uranium[J]. Uranium Mining and Metallurgy, 2026 , 45 (3) : 29 -34 . DOI: 10.13426/j.cnki.yky.2025.11.08

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doi: 10.13426/j.cnki.yky.2025.11.08
  • 接收时间:2025-11-21
  • 首发时间:2026-09-28
  • 出版时间:2026-08-20
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  • 收稿日期:2025-11-21
  • 修回日期:2026-01-04
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    中核通辽铀业有限责任公司,内蒙古 通辽 028000
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2种不同金属材料的力学参数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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