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    The effects of inter-vibrator interference on vibrator performance

    Access Status
    Fulltext not available
    Authors
    Dean, Tim
    Tulett, J.
    Lane, D.
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Dean, T. and Tulett, J. and Lane, D. 2016. The effects of inter-vibrator interference on vibrator performance. Geophysical Prospecting. 64 (6): pp. 1516-1523.
    Source Title
    Geophysical Prospecting
    DOI
    10.1111/1365-2478.12364
    ISSN
    0016-8025
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/62850
    Collection
    • Curtin Research Publications
    Abstract

    © 2016 European Association of Geoscientists & EngineersThe output from the hydraulic vibrators typically used for land seismic surveys is controlled by monitoring the acceleration measured by accelerometers mounted on the reaction mass and baseplate. The considerable energy output by such vibrators, which are coupled with the sensitivity of the accelerometers used, results in crosstalk if more than one vibrator is being used. In this paper, we present the results of a field experiment in which we measured the crosstalk between two adjacent vibrators. We found that the level of crosstalk was approximately -20 dB when the vibrators were adjacent but decreased with increasing frequency and separation. This result has implications for measurements of vibrator performance, source-signature deconvolution, and in particular, estimates of the total energy output by a fleet of vibrators.

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