Earth Science Frontiers ›› 2011, Vol. 18 ›› Issue (2): 284-293.

• Article • Previous Articles     Next Articles

 Research on seismic sedimentology of He3 Formation in Biyang Sag.

  

  1. 1. College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China
    2. State Key Laboratory of Petroleum Resources and Processing, China University of Petroleum(Beijing), Beijing  102249, China
    3. The Third Plant of Dagang Oilfield, Cangxian  061035, China
    4. Exploration and Development Research Institute of Henan Petroleum Exploration Bureau, Nanyang  473132, China
  • Received:2010-08-10 Revised:2010-09-12 Online:2011-03-15 Published:2011-04-15

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Abstract:

Braided delta, slump turbidite fans and nearshore subaqueous fan are developed in the sand group III of He3 Formation in depression area of Biyang Sag. Restricted by the research techniques and methods, the distribution of these facies is unclear yet, especially that of the slump turbidite fans. Under the guidance of the theory of seismic sedimentology, and by using the technique of enhancing the resolution and phase shift, the 3D poststack seismic data were adjusted to the optimal states. Then by using the technique of strata slicing, the sliced cubes were made to display the distribution of sedimentary microfacies and reflect the evolutionary history. Finally, on the basis of comprehensive analysis of core, lithology and welllogging data, the sandbodies of the typical slices were interpreted subtly, and the distribution of sedimentary facies was predicted. This study provides a reliable approach in exploration of latent traps.

Key words: enhancement of resolution, phase shift, strata slicing, seismic sedimentology, He3 Formation, Biyang Sag

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