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伴随着各种资源需求的增多，资源开采力度日渐加大，但因为资源形成往往经历了多次的地质变化和地壳运动，使得很多资源的分布条件非常恶劣，在资源开发时常常面临着巨大的风险，比如，部分资源开采地段的瓦斯浓度超出了正常标准，作业人员应通过瓦斯抽采来创造更为安全的作业环境。钻孔密封是瓦斯抽采中十分有效的方式，但因为其密封效果受到诸多因素的影响，常常伴随着钻孔密封漏气失效的问题。基于此，本文从瓦斯抽采漏气失效的机理出发，探析了相应的修复技术。“,”along with increasing resources demand, resources exploitation strength increasing, but because resources often experience several geological changes and the crust movement, makes a lot of resources distribution condition is very bad, often when resources development faces enormous risks, such as gas concentration on the part of resource mining area is beyond the normal standard, homework personnel should through the gas extraction Borehole sealing is a very effective way in gas extraction, but because its sealing effect is affected by many factors, it is often accompanied by the problem of gas leakage failure. Based on this, this paper starts from the mechanism of gas leakage failure, and analyzes the corresponding repair technology.