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    Cooperative Inversion: A Review

    Access Status
    Fulltext not available
    Authors
    Harris, Brett
    Pethick, A.
    Schaa, R.
    Le, V.
    Date
    2018
    Type
    Conference Paper
    
    Metadata
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    Citation
    Harris, B. and Pethick, A. and Schaa, R. and Le, V. 2018. Cooperative Inversion: A Review, ASEG.
    Source Conference
    ASEG
    Additional URLs
    https://doi.org/10.1071/ASEG2018abM1_1F
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/68666
    Collection
    • Curtin Research Publications
    Abstract

    Cooperative inversion has the potential to significantly improve subsurface imaging. However, success or failure can be highly dependent on knowledge of underlying site specific geological and petrophysical relationships. Combinations of structural or textural seismic attributes can be integrated into geostatistical clustering to provide a framework able to carry inversion of lower resolution EM or potential field data to an outcome with improved detail and accuracy. Cross-gradient type methods link direction of change of different physical parameters within inversion. Outcomes will be dependent on the presumption that the direction of change of petrophysical parameters like velocity, density and electrical conductivity are indeed linked. Cooperative and joint inversion need to be validated by information harvested at drill sites. Here new low cost multi-scale, multi-parameter logging while drilling technologies could be designed to feed real time imaging based on cooperative inversion. We will; (i) examine theoretical possibilities, (ii) give examples of practical successes and failures, and (iii) consider the future of cooperative inversion.

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