煤田钻探超千米深孔施工工艺

结合在豫西煤田深部、矿区深部及煤预查区等勘查钻探施工,介绍施工设备、钻具组合、钻孔结构、钻进技术参数、冲洗液使用等,确保煤田钻探施工钻孔达到各阶段质量标准要求,并对钻探施工中提出注意事项以及建议。

Ultra-deep Hole Construction Technology of Coal Drilling

This article introduced the application of the construction equipment,the drilling tool combination,the drill hole structure,the technical parameters of drilling and the flush fluid combined with the drilling exploration construction in the coal field deepth of the mining area,coal pre-screening area and so on,so as to assure the coal field drilling construction meets the needs of quality requirements at various stages,and proposed the matters need to pay attention to as well as the suggestion to the drilli...