Constructing hydrocarbon reservoir analogues of aeolian systems using ground penetrating radar

Dominic Tatum, J. Francke

    Research output: Contribution to journalArticlepeer-review

    12 Citations (Scopus)


    This paper presents a three-dimensional ground penetrating radar (GPR) case study of contemporary dunes from southern Libya that may serve as an analogue for oil and gas reservoirs in aeolian systems. A 30 MHz inline GPR system was used to image an undulating region 260 m wide × 480 m long in less than 4 h, with a line spacing of approximately 1 m at survey speeds of over 30 km/h. The internal aeolian architecture was imaged to a depth of about 40 m. Complex three-dimensional cross-stratification is evident within the resultant 3D data cube. A full range of dune heterogeneity is inferred: facies interaction between lake and dune environments, the course of ancient streams, dune field/sand sheet relationships, bounding surface geometry and primary strata type distribution. Different dune generations are perceived within the survey, with complex superimposed relationships apparent. Near-surface sand sheet and deeper linear dune/barchanoid ridge geometries are revealed. However, it is recognised that the complex pattern of contemporary dune formations in the area may indicate alternative interpretations. Finally, the distribution of appropriate reservoir properties is discussed.
    Original languageEnglish
    Pages (from-to)21-28
    Number of pages8
    JournalJournal of Applied Geophysics
    Publication statusPublished - Jun 2012


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