Electrical resistivity well-logging system with solid-state electronic circuitry
Open-File Report
77-144
By: James Henry Scott and Arnold J. Farstad
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Abstract
An improved 4-channel electrical resistivity well-logging system for use with a passive probe with electrodes arranged in the 'normal' configuration has been designed and fabricated by Westinghouse Electric Corporation to meet technical specifications developed by the U.S. Geological Survey. Salient features of the system include solid-state switching and current regulation in the transmitter circuit to produce a constant-current source square wave, and synchronous solid-state switching and sampling of the potential waveform in the receiver circuit to provide an analog dc voltage proportions to the measured resistivity. Technical specifications and design details are included in this report.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Electrical resistivity well-logging system with solid-state electronic circuitry |
| Series title | Open-File Report |
| Series number | 77-144 |
| DOI | 10.3133/ofr77144 |
| Edition | - |
| Year Published | 1977 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | 24, [4] leaves :ill. ;28 cm.; (28 p., 4 sheets PGS) |
| Google Analytic Metrics | Metrics page |