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Abstract
Imaging with acoustic and optical televiewers results in continuous and oriented 360 degree views of the borehole wall from which the character and orientation of lithologic and structural features can be defined for fractured-bedrock aquifer investigations. Fractures are more clearly defined under a wider range of conditions on acoustic images than on optical images including dark-colored rocks, cloudy borehole water, and coated borehole walls. However, optical images allow for the direct viewing of the character of and relation between lithology, fractures, foliation, and bedding. The most powerful approach is the combined application of acoustic and optical imaging with integrated interpretation. Borehole-wall imaging provides information useful for the collection and interpretation of flowmeter and other geophysical logs, core samples, and hydraulic and water-quality data from packer testing and monitoring.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Borehole-wall imaging with acoustic and optical televiewers for fractured-bedrock aquifer investigations |
| Year Published | 2000 |
| Language | English |
| Publisher | Society of Professional Well Log Analysts |
| Contributing office(s) | Office of Ground Water |
| Description | 11 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Proceedings of the seventh international symposium on borehole geophysics for minerals, geotechnical, and groundwater applications |
| First page | 43 |
| Last page | 53 |
| Conference Title | Seventh International Symposium on Borehole Geophysics for Minerals, Geotechnical, and Groundwater Applications |
| Conference Location | Golden, CO |
| Conference Date | October 24-26, 2000 |
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