红层区典型储水构造快速钻探成井工艺研究
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Study of Rapid Drilling and Well Complete for Typical Water Storage Structures in the Red Bed Area
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    摘要:

    赣南红层地区是地下水严重匮乏的区域,中国地质调查局通过在当地进行水文地质调查找水解困助力脱贫攻坚工作取得显著成果,但是水资源的匮乏仍然制约着乡村产业振兴。通过2021年开展的巩固脱贫成果助力产业发展实施的应急找水打井工程,进一步验证前期取得的地质工作成果,并总结了典型红层区储水构造快速钻探及成井的关键技术。赣南红层区的储水构造一般为裂隙发育、破碎严重的地层,传统水文钻探工艺钻进及成井效率低,通过应用空气潜孔锤钻进工艺在典型红层区储水构造的钻探施工,分析总结赣南红层区不同储水构造地层特点、钻探施工难点及成井技术要点,为有效提高红层区水井钻探效率和成井质量提供一定的技术参考。

    Abstract:

    The red bed in southern Jiangxi is an area with serious shortage of groundwater, the CGS commenced the hydrological survey and water exploration for the purpose of achieving poverty alleviation. However, it still restricts the rural revitalization. The results of the previous geological work is verified and the key technologies of the water storage structure drilling technology in the red bed area are summarized through the emergency water search and well drilling project in 2021. The water storage structures of red bed in southern Jiangxi are generally fractured and severely broken formations, lead to traditional hydrological drilling techniques has low drilling efficiency and bad well completion. According to the successful application of air down-the-hole(DTH) hammer drilling technology in these typical structures , the key points of drilling and well completion techniques are summarized, which would improve the efficiency and quality of hydrological drilling and conducive to socio-economic benefits.It is hoped to provide a certain technical reference for drilling in the red bed area.

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潘德元,王杰,方国庆,方泓锦,张昭.红层区典型储水构造快速钻探成井工艺研究[J].科技与产业,2022,22(08):319-323

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  • 在线发布日期: 2022-08-23