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http://dx.doi.org/10.7857/JSGE.2015.20.7.034

Feasibility of Hydraulic Fracturing for Securing Additional Saline Groundwater in the Land-based Aquaculture Farm  

Lee, Byung Sun (Rural Research Institute, Korea Rural Community Corporation)
Kim, Young In (Groundwater and Geological Technology Office, Korea Rural Community Corporation)
Park, Hak Yun (Jeonnam Regional Headquarter, Korea Rural Community Corporation)
Cho, Jung Hwan (Jeonnam Regional Headquarter, Korea Rural Community Corporation)
Song, Sung-Ho (Rural Research Institute, Korea Rural Community Corporation)
Publication Information
Journal of Soil and Groundwater Environment / v.20, no.7, 2015 , pp. 34-42 More about this Journal
Abstract
Feasibility tests for the hydraulic fracturing were conducted in order to secure additional saline groundwater for irrigating to the land-based aquaculture farm. Two boreholes were placed to the aquaculture farm A and B, respectively. A hydraulic fracturing using single packer was applied to major fracture zones within two boreholes. To identify effects of hydraulic fracturing on securing additional saline groundwater, some selective methods including well logging methods, pumping tests, and groundwater quality analysis were commonly applied to the boreholes before and after the hydraulic fracturing. Enlarging/creating fracture zones, increasing water contents in bedrock near boreholes, and increasing transmissivity were observed after the hydraulic fracturing. Even though the hydraulic fracturing could be an alternative to secure additional saline groundwater to the land-based aquaculture farm, salinity of the groundwater did not meet optimal thresholds for each fingerling in two farms: Fresh submarine groundwater discharge flowed the more into borehole of the farm A that resulted in decreasing a salinity value. Increased saline groundwater quantity in the borehole of the farm B rarely affect to the salinity. Although salinity problem of groundwater limited its direct use for the farms, the mixing with seawater could be effectively used for the fingerlings during the early stage. A horizontal radial collector well placed in the alluvial layer could be an alternative for the farms as well.
Keywords
Hydraulic fracturing; Land-based aquaculture farm; Saline groundwater; Well logging method; Pumping test;
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