Lithologic Reservoirs ›› 2009, Vol. 21 ›› Issue (1): 112-115.doi: 10.3969/j.issn.1673-8926.2009.01.022

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Application of Epos 3.0 seismic interpretation system to volcanic reservoir exploration in Chepaizi area of Junggar Basin

XU Duonian，JIANG Chunling，PAN Jianguo，TAN Kaijun，CHEN Yongbo，YAO Qingzhou，WANG Yanjun   

  1. Research Institute of Petroleum Exploration & Development-Northwest， PetroChina， Lanzhou 730020， China
  • Online:2009-03-16 Published:2009-03-16

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Abstract:

The volcanic reservoir has become one important type of oil-gas exploration and development in the northwestern margin of Junggar Basin. The identification of volcanic massif is the key of Carboniferous oil-gas exploration in Chepaizi area. The drilling data and lithologic interpretation in the study area are applied to carry out the fine calibration of 3D seismic data, and three volcanic eruption sequences are identified. Epos 3.0 seismic interpretation system is used to carry out the fine interpretation, high resolution coherence technique is applied to perform the fault assemblage, multi-attribute seismic facies map is applied to ascertain the plane distribution of volcanic phase, and anomalous body carving technology is used to determine the spatial distribution of volcanic massif. 12 volcanic massif traps are finally discovered. The application of Epos 3.0 seismic interpretation systemin this area achieves good geologic effects.

Key words: shale gas, coal-bed methane, coalmeasure gas, source rocks, exploration, Sichuan Basin

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