不同类型钻头在大孔径瓦斯抽排井中的应用  

Application of Different Types of Drill Bits in Large-aperture Gas Extraction Wells

作　　者：崔建 CUI Jian(The Fourth Institute of Resources and Environment Investigation of Henan Province Co.,Ltd.,Zhengzhou 450000,Henan,China)

机构地区：[1]河南省资源环境调查四院有限公司,河南郑州450000

出　　处：《能源与节能》2024年第11期210-212,267,共4页Energy and Energy Conservation

基　　金：绿色矿山大直径工程井快速钻进工艺研究——以甘肃魏家地矿区为例(JTZCKY2023036)。

摘　　要：以魏家地大孔径抽排井为实例,介绍了瓦斯治理的原因和意义,以及大口径瓦斯抽排井的衍生背景和发展趋势。对钻井的井身结构设计、施工设备选型进行了详细介绍。主要研究方向是钻头在施工中的应用,从钻头类型、钻头规格、钻进效率详细介绍了钻头在地层中的应用。还介绍了大孔径施工中的隐患及解决方法。Taking Wejiadi large-aperture drainage well as an example,the reason and significance of gas control,as well as the derivation background and development trend of large-aperture gas drainage well were introduced.The borehole structure design and construction equipment selection were introduced in detail.The main research direction was the application of drill bits in construction.The application of drill bits in formation was introduced in detail from the types of drill bit,specifications of drill bit and drilling efficiency.The hidden dangers in the construction of large-aperture and the solutions were also introduced.

关 键 词：煤矿 大孔径瓦斯排放井 设备机具 地层分析 钻头 

分 类 号：TD712[矿业工程—矿井通风与安全]