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BAI Tao, XU Zhi-wei. WAVE IMPEDANCE INVERSION AND ITS APPLICATION TO THE PREDICTION OF SUBTLE TRAPS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2004, 26(1): 63-67. doi: 10.11781/sysydz200401063
Citation: BAI Tao, XU Zhi-wei. WAVE IMPEDANCE INVERSION AND ITS APPLICATION TO THE PREDICTION OF SUBTLE TRAPS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2004, 26(1): 63-67. doi: 10.11781/sysydz200401063
shu

WAVE IMPEDANCE INVERSION AND ITS APPLICATION TO THE PREDICTION OF SUBTLE TRAPS

doi: 10.11781/sysydz200401063
  • 1.

    School of Earth Sciences, Jilin University, Changchun, Jilin 130026, China

  • 2. Jilin Oilfield, Songyuan, Jilin 131100, China

  • Received Date: 2003-01-27
  • Rev Recd Date: 2003-11-05
  • Publish Date: 2004-01-25
    Abstract
  • By using wave impedance inversion seismic profiles combined with logging and core data, the sequences of the Qingshankou and the Yaojia Formation in the Songliao Basin were preliminary interpreted, nine sequences and twenty system tracts were identified, and the sequence stratigraphic framework of this region was established. Based on the interpretation of sequence stratigraphy, sedimentary microfacies and structures on wave impedance inversion seismic profiles, five types of subtle traps were found, that is, stratigraphic overlap traps, tectonic-lithologic traps, sandstone updip-pinchout traps, fault-lithologic traps and sandstone lens-shaped lithologic traps. Also, their distribution regularities in sequence stratigraphic framework were summarized.

     

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