Earth Science Frontiers ›› 2013, Vol. 20 ›› Issue (2): 69-76.

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  1. 1. PetroChina Changqing Oilfield Company, Xian 710018, China
    2. College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China
    3. Langfang Branch of Research Institute of Petroleum Exploration and Development, CNPC, Langfang 065007, China
  • Received:2012-02-10 Revised:2013-01-22 Online:2013-03-15 Published:2013-03-15

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