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Fractional flow in fractured chalk; a flow and tracer test revisited

机译:粉笔裂缝中的分数流;再次进行流和示踪剂测试

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摘要

A multi-borehole pumping and tracer test in fractured chalk is revisited and reinterpreted in the light of fractional flow. Pumping test data analyzed using a fractional flow model gives sub-spherical flow dimensions of 2.2-2.4 which are interpreted as due to the partially penetrating nature of the pumped borehole. The fractional flow model offers greater versatility than classical methods for interpreting pumping tests in fractured aquifers but its use has been hampered because the hydraulic parameters derived are hard to interpret A method is developed to convert apparent transmissivity and storativity (L~(4-n)/T and S~(2-n)) to conventional transmissivity and storativity (L~2/T and dimensionless) for the case where flow dimension, 2
机译:再次讨论了裂缝粉笔中的多井眼抽水和示踪剂测试,并根据分流进行了重新解释。使用分数流量模型分析的泵送测试数据得出的亚球形流量尺寸为2.2-2.4,这被解释为是由于泵送钻孔的部分穿透性质。分流模型比解释裂隙含水层中的抽水试验的经典方法具有更大的通用性,但是由于推导的水力参数难以解释,因此它的使用受到了限制。开发了一种方法来转换视在透射率和储能率(L〜(4-n) / T和S〜(2-n))到常规的透射率和储能率(L〜2 / T和无量纲),流尺寸为2

著录项

  • 来源
    《Journal of Contaminant Hydrology》 |2013年第4期|96-111|共16页
  • 作者单位

    School of Earth and Environment, University of Leeds, Woodhouse Lane, Leeds LSI 9JT, UK;

    School of Earth and Environment, University of Leeds, Woodhouse Lane, Leeds LSI 9JT, UK;

    Environment and Heritage Service (EHS), Water Management Unit Croundwater management team, Lisbum, BT28 3AL, N. Ireland;

    School of Earth and Environment, University of Leeds, Woodhouse Lane, Leeds LSI 9JT, UK;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    pumping test; tracer test; fractional flow; fractured chalk;

    机译:抽水试验;示踪剂试验;分流;粉笔粉;

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