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    The construction of a simple portable electromagnetic vibrator from commercially available components

    Access Status
    Fulltext not available
    Authors
    Dean, Tim
    Nguyen, H.
    Kepic, Anton
    Halliday, D.
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Dean, T. and Nguyen, H. and Kepic, A. and Halliday, D. 2018. The construction of a simple portable electromagnetic vibrator from commercially available components. Geophysical Prospecting. 67 (6): pp. 1686-1697.
    Source Title
    Geophysical Prospecting
    DOI
    10.1111/1365-2478.12645
    ISSN
    0016-8025
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/70165
    Collection
    • Curtin Research Publications
    Abstract

    Since its introduction in the late 1950s, hydraulic vibrators have become the dominant source for land seismic surveys. The hydraulic vibrators typically used for commercial land seismic acquisition, however, are large, costly to operate and expensive to purchase. This inhibits their use for small-scale and short-duration surveys as well as Vibroseis research. In this paper we describe, in detail, the construction of a portable vibrator from commercially available components for a cost of less than $US2,000. Data shows that the vibrator is able to successfully transmit sweeps from 15 to 180 Hz with different spectral contents. The vibrator produces a stronger signal than a sledgehammer and we estimate its output to be around 1 kN. The frequency content of the data was concentrated at lower frequencies (<100 Hz) and the ground-roll was far more energetic than that produced using a sledgehammer.

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