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Slim hole logging in shallow boreholes
environmental logging subsurface porosity elastic parameters hydraulic parameters
2015/9/29
While well logging, a continuous recording of the physical parameters down a borehole, is employed systematically in petroleum exploration, its application in environmental prospections, such as hydro...
Investigation of the Huge Tsunami from the 2011 Tōhoku-Oki, Japan, Earthquake Using Ocean Floor Boreholes to the Fault Zone
Japan, Earthquake Using Ocean Floor
2015/7/17
Integrated Ocean Drilling Program (IODP) Expedition 343, named the Japan Trench Fast Drilling Project (JFAST), drilled ocean floor boreholes through the fault zone of the 2011 Tōhoku-Oki earthquake (M...
Interpretative modelling of a geological cross section from boreholes: sources of uncertainty and their quantification
Geology geological section tertiary London clay
2015/1/6
We conducted a designed experiment to quantify sources of uncertainty in geologists' interpretations of a geological cross section. A group of 28 geologists participated in the experiment. Each interp...
Investigating the pumping process of a resonance-vibrating pump for medium-depth boreholes
resonance vibrating pumps dual-shaft shaker spring suspension system foot valve oscillating pipe water column
2014/2/27
This paper deals with the pumping process of a resonance-vibrating pump, which utilizes the resonance vibrations of one degree-of-freedom oscillating system. The pump is powered by a mechanical shaker...