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Brown & Caldwell
GEL Geophysics conducted geophysical borehole logging investigations of fractured bedrock at a manufacturing facility. The geophysical logs included optical and acoustic televiewer, mechanical caliper, fluid temperature and resistivity, single point resistance, spontaneous potential and natural gamma. These logs were analyzed for fractures and other features. Heat pulse flowmeter logging was then conducted at the location of the fractures; first under ambient conditions and then under pumping conditions. The results of the investigation included a list of detected fractures with attributes such as depth, dip, dip angle and aperture, as well as analysis of the water-producing capacity of these fractures under ambient and pumping conditions.
Mactec
GEL Geophysics provided geophysical borehole logging services designed to delineate and characterize bedrock fractures in two boreholes. Fractures were mapped using a combination of mechanical caliper and optical televiewer logging. Data for each identified fracture, such as depth, dip angle, dip direction and aperture, were recorded and reported to the client.
LaFarge N.A
GEL Geophysics, LLC conducted a geophysical investigation at a limestone quarry in Harleyville, South Carolina. The project involved down hole geophysical measurements to identify fractures, voids, clay lenses and porous parts of the limestone formation. This information was used to design and evaluate the effectiveness of wells to drain the limestone of water. A suite of geophysical down hole tools, including resistivity, natural gamma, temperature and borehole ground penetrating radar, was used.
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