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Liners and Packers: similarities and differences

More explicitly: A comparison of the flexible liner method and the straddle packer method of hydraulic conductivity measurement. A comparison of the concept and theory rather than an extensive comparison of the results. Topics. Hydraulic conductivity profiling objectivesThe liner approachThe str

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Liners and Packers: similarities and differences

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    1. Liners and Packers: similarities and differences By Carl Keller At NGWA/EPA Fractured Rock Conference Portland, Maine September, 2007

    2. More explicitly: A comparison of the flexible liner method and the straddle packer method of hydraulic conductivity measurement. A comparison of the concept and theory rather than an extensive comparison of the results

    3. Topics Hydraulic conductivity profiling objectives The liner approach The straddle packer approach Method similarities Method differences Comparison of results Conclusion

    4. The objective of the measurements Primary objective: map the flow paths in both location and flow capacity as they intersect the borehole and are relevant to the local transport of water and contaminants A second objective of some packer testing is mapping of contaminant distribution

    5. How the liner works

    6. Liner terminology

    7. How the straddle packer works

    8. Calculation of conductivity/transmissivity is exactly the same for both methods

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