Oil & Gas Geology ›› 2007, Vol. 28 ›› Issue (2): 250-256.doi: 10.11743/ogg20070217

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Study of hydrocarbon migration and accumulation in the Mosuowan-Mobei area,Junggar Basin

Gao Xiaokang1, Hu Wenxuan1, Cao Jian1, Zhang Yueqian2, Tang Yong2, Tao Guoliang1   

  1. 1. Department of Earth Sciences, Nanjing University, Nanjing, Jiangsu, 210093;
    2. Research Institute of Exploration and Development, PetroChina Xinjiang Oilfield Company, Karamay, Xinjiang, 834000
  • Received:2006-07-07 Online:2007-04-25 Published:2012-01-16

Abstract:

The inorganic geochemical element tracing approach is adopted in the analysis of changing trends of the MnO content in the calcite cements of reservoirs and the systematic study of hydrocarbon migration direction in the Mosuowan-Mobei area of the Junggar Basin.The results show that the source rocks in the Well Pen-1 west sag,Changji sag,and Ddhzb sag,all have contributed to the pools in the study area,but they vary in the composition of oil,charging ranges,and intensities.Three plays are recognized in the study area,including Well Pen-1 west sag-east loop belt,Changji sag-Mosuowan uplift,and northern slope of Ddhzb sag.The southeastern flank of Musuowan uplift and the northwestern slope zone of Ddhzb sag are prospective targets for exploration.

Key words: calcite cement, MnO, element tracing approach, inorganic geochemistry, play, hydrocarbon migration direction, Mosuowan-Mobei area, Junggar Basin

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