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Hole History: Rotary Hole DC-5

机译:孔历史:旋转孔DC-5

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Borehole DC-5 was drilled for the U.S. Department of Energy and the Rockwell Hanford Operations' Department of Waste Isolation. The purpose of hole DC-5 was to drill through the Umtanum basalt flow to provide a borehole for hydrological testing, seismic shear and pressure wave velocity studies and geophysical-electrical logging measurements of the strata penetrated for the Basalt Waste Isolation Program. The drilling chronology and approximate depths and thickness of stratigraphic units penetrated are reported. Borehole DC-5 was completed successfully with an inflatable packer set at 3,770 feet. (ERA citation 04:011600)

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