Lithologic Reservoirs ›› 2012, Vol. 24 ›› Issue (1): 69-73.doi: 10.3969/j.issn.1673-8926.2012.01.013

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Seismic processing and identification technology for Paleogene turbidite in Liaodong Bay

YAO Jian， ZHENG Jinggui， DU Xiaofeng， SUN Hefeng   

  1. Research Institute of Exploration and Development， Tianjin Branch， CNOOC， Tianjin 300452， China
  • Online:2012-02-20 Published:2012-02-20

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Abstract:

The turbidite reservoir is characterized by wide distribution, deep burial and strong concealment, so it is difficult to identify the turbidite reservoir by conventional exploration technology. The wavelet frequency-dependent imaging, structure-oriented edge-preserving smoothing and well control for resolution improvement combined with geophysical processing techniques such as color inversion, dip, azimuth and coherent analysis were used to describe the geometrical features of turbidite. In addition, the new geophysical identification technologies for Paleogene turbidite were applied properly for Liaodong Bay area. The field study confirms that the new techniologies lay a good foundation for stratigraphic-lithologic reservoir in this area.

Key words: nuclear magnetic resonance logging, observation model, heavyoil reservoir

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