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    中国百强科技报刊

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    中国高校百佳科技期刊

    中国最美期刊

    Volume 32 Issue 2
    Mar.  2007
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    Article Contents
    LU Shuang-fang, XU Feng-ming, SHEN Jia-nian, FANG Wei, XUE Hai-tao, 2007. Origin of Condensate Oil/Gas Reservoir: A Case Study in Qijia-Gulong Depression of Songliao Basin. Earth Science, 32(2): 209-212.
    Citation: LU Shuang-fang, XU Feng-ming, SHEN Jia-nian, FANG Wei, XUE Hai-tao, 2007. Origin of Condensate Oil/Gas Reservoir: A Case Study in Qijia-Gulong Depression of Songliao Basin. Earth Science, 32(2): 209-212.

    Origin of Condensate Oil/Gas Reservoir: A Case Study in Qijia-Gulong Depression of Songliao Basin

    • Received Date: 2006-08-26
    • Publish Date: 2007-03-25
    • In order to elucidate the origin of condensate oil-gas reservoir discovered in Qijia-Gulong depression, a thermal evaporation experiment was designed and carried out based on the knowledge of the geological background of condensate oil-gas reservoir and the oil-oil correlation.The result indicates that the condensate oil and the underlying black-oil are from the same source rock, which hints their secondary origin. The thermal evaporation experiment supports that the condensate oil is from the underlying black-oil by thermal evaporation. This kind of thermal evaporation is possibly realized through faults or micro-fractures. The possibility of forming large-scale condensation gas reservoirs in this area is discounted because of the thermal evaporation origin. Therefore, the advantaged exploration target should be focused on such areas as where there are pathways propitious to thermal evaporation, with deeper bury depth and higher temperature and pressure.

       

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