Volume 11 Issue 1
Mar.  2005
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LI Sheng-li, YU Xing-he, CHEN Jian-yang, et al., 2005. DISTRIBUTION CHARACTERISTS OF Ro AND FACTORS INFLUENCING THE ORGANIC MATURITY IN THE ZHANHUA DEPRESSION. Journal of Geomechanics, 11 (1): 90-96.
Citation: LI Sheng-li, YU Xing-he, CHEN Jian-yang, et al., 2005. DISTRIBUTION CHARACTERISTS OF Ro AND FACTORS INFLUENCING THE ORGANIC MATURITY IN THE ZHANHUA DEPRESSION. Journal of Geomechanics, 11 (1): 90-96.

DISTRIBUTION CHARACTERISTS OF Ro AND FACTORS INFLUENCING THE ORGANIC MATURITY IN THE ZHANHUA DEPRESSION

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  • Received: 2004-11-29
  • Published: 2005-03-28
  • According to an analysis of the data of temperatures and Ro in the Zhanhua depression of the Shengli oilfield, the Ro=0.4% is determined to be the Ro threshold of hydrocarbon (including immature or low-maturity oil/gas) generation in the area, and the depth threshold and temperature threshold corresponding to the new Ro average~90℃ and~2250 m respectively. The related factors responsible for the relatively low Ro value are organic components, temperature, fluid pressure and burial depth. By comparison, the Bonan and Gubei sub-depressions of the Zhanhua depression have a high hydrocarbon generating potential, while the potential of hydrocarbon generation of the Fulin sub-depression is relatively low.

     

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