Characterization of High-K Pathways by Borehole Flowmeter and Tracer Tests

This paper reviews different borehole flowmeter analysis methods and evaluates their applicability to a test site composed of fluvial deposits. Results from tracer and aquifer tests indicate that the aquifer is highly heterogeneous and that low‐K skin effects exist at the wells. Borehole flowmeter t...

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Bibliographic Details
Published inGround water Vol. 33; no. 2; pp. 311 - 318
Main Author Young, Steven C.
Format Journal Article
LanguageEnglish
Published Oxford, UK Blackwell Publishing Ltd 01.03.1995
National Ground Water Association
Ground Water Publishing Company
Subjects
Environmental aspects
Flow meters
Groundwater
Groundwater flow
Hydraulic measurements
Hydrology
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Summary:This paper reviews different borehole flowmeter analysis methods and evaluates their applicability to a test site composed of fluvial deposits. Results from tracer and aquifer tests indicate that the aquifer is highly heterogeneous and that low‐K skin effects exist at the wells. Borehole flowmeter tests were performed at 37 wells. An appropriate method for calculating borehole flowmeter K values was developed based on results from multiwell pumping tests, single‐well pumping tests, and slug tests. The flowmeter data produced 881 K values. The trends and the magnitude of the K values are consistent with results from geologic investigations, recirculating tracer tests, and large‐scale multiwell pumping tests. The field tests illustrate that high‐K deposits can significantly affect ground‐water flows in some heterogeneous fluvial aquifers.
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ISSN:0017-467X
1745-6584
DOI:10.1111/j.1745-6584.1995.tb00286.x