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The Repairing Technology of Invalid Drilling Well in In-situ Leaching Uranium Mine
Author(s): 
Pages: 55-58
Year: Issue:  1
Journal: Uranium Geology

Keyword:  invalid drilling wellcuttingrepair of drilling wellfilter;
Abstract: 经过多年运行,地浸采铀矿山存在大量的失效钻孔,严重影响矿山产能.因过滤器堵塞而造成的失效钻孔占总报废钻孔的80%以上,为此采用切割原有过滤器,下入内置过滤器的方式进行修复,使失效钻孔恢复正常的抽、注液能力.修复结果表明,钻孔抽水量恢复到成孔时初始洗孔水量的95%以上.钻孔修复技术对降低地浸矿山的运营成本,提高矿山服务年限有积极的作用.
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