Flow-Log Analysis for Hydraulic Characterization of Selected Test Wells at the Indian Point Energy Center, Buchanan, New York
Open-File Report
2008-1123
Prepared in cooperation with the United States Nuclear Regulatory Commission
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Abstract
Flow logs from 24 test wells were analyzed as part of the hydraulic characterization of the metamorphosed and fractured carbonate bedrock at the Indian Point Energy Center in Buchanan, New York. The flow logs were analyzed along with caliper, optical- and acoustic-televiewer, and fluid-resistivity and temperature logs to determine the character and distribution of fracture-flow zones and estimate their transmissivities and hydraulic heads. Many flow zones were associated with subhorizontal to shallow-dipping fractured zones, southeast-dipping bedding fractures, northwest-dipping conjugate fractures, or combinations of bedding and conjugate fractures. Flow-log analysis generally provided reasonable first-order estimates of flow-zone transmissivity and head differences compared with the results of conventional hydraulic-test analysis and measurements. Selected results of an aquifer test and a tracer test provided corroborating information in support of the flow-log analysis.
Suggested Citation
Williams, J., 2008, Flow-log analysis for hydraulic characterization of selected test wells at the Indian Point Energy Center, Buchanan, New York: U.S. Geological Survey Open-File Report 2008-1123, iv, 31 p., https://doi.org/10.3133/ofr20081123.
ISSN: 2331-1258 (online)
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Flow-log analysis for hydraulic characterization of selected test wells at the Indian Point Energy Center, Buchanan, New York |
| Series title | Open-File Report |
| Series number | 2008-1123 |
| DOI | 10.3133/ofr20081123 |
| Year Published | 2008 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | New York Water Science Center, Office of Ground Water |
| Description | iv, 31 p. |
| Country | United States |
| State | New York |
| City | Buchanan |
| Other Geospatial | Indian Point Energy Center |
| Online Only (Y/N) | Y |