Seistec seismic profiles: A tool to differentiate gas signatures

A. Baltzer, B. Tessier, H. Nouzé, R. Bates, Colin George Moore, D. Menier

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    27 Citations (Scopus)

    Abstract

    The presence of gas is a common feature in many seismic sections. However, the origin of the gas is often difficult to determine. Recently acquired very high resolution seismic profiles using an IKB Seistec boomer provide useful insight to the understanding of the gas origins in a range of environmental settings including sea lochs and coastal lagoons. The gas features are described both from a qualitative point of view through their acoustic facies, and quantitatively through the associated seismic signal (polarisation, amplitude). Acoustic facies include acoustic turbidity, gas "curtains" and "blankets" as well as "white fringes" and "black shadows". All the features encountered have been related to specific gas nature generated by different sources (organic matter degradation in paleo-valley infillings, waste material effluent). © Springer 2005.

    Original languageEnglish
    Pages (from-to)235-245
    Number of pages11
    JournalMarine Geophysical Research
    Volume26
    Issue number2-4
    DOIs
    Publication statusPublished - Jun 2005

    Keywords

    • Acoustic facies
    • Gas
    • Seistec profiles
    • Signal amplitude
    • Signal polarisation

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  • Cite this

    Baltzer, A., Tessier, B., Nouzé, H., Bates, R., Moore, C. G., & Menier, D. (2005). Seistec seismic profiles: A tool to differentiate gas signatures. Marine Geophysical Research, 26(2-4), 235-245. https://doi.org/10.1007/s11001-005-3721-x