Lithologic Reservoirs ›› 2007, Vol. 19 ›› Issue (4): 13-19.doi: 10.3969/j.issn.1673-8926.2007.04.003

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“Multi-factor controlling, four-factor entrapping and key-factor enrichment” of stratigraphic-lithologic reservoirs and exploration practice in Erlian Basin ( Ⅲ)———“Key-factor enrichment” mechanism

WANG Quan 1, 2, LIU Zhen3, ZHAO Xianzheng2, JIN Fengming2, LIANG Hongbin2,YANG Dexiang2   

  1. 1. China University of Geosciences, Beijing 100083, China; 
    2. Huabei Oilfield Company, PetroChina, Renqiu 062552, China;
    3. China University of Petroleum, Beijing 102249, China
  • Online:2007-12-15 Published:2007-12-15

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Abstract:

Based on the analysis of the enrichment factors for stratigraphic-lithologic reservoirs found in Erlian Basin, the enrichment of the stratigraphic-lithologic reservoirs is considered to be controlled by three main factors, including abundant oil sources, high quality sand body traps and main confluent passageway. Abundant oil sources are the background for the enrichment; high quality sand body traps which spread broadly are the key point for the enrichment; and the main confluent passageway is the best way for enrichment of the stratigraphiclithologic reservoirs.

Key words: salt movement , post-salt strata , salt tectonic-related traps , Pre-Caspian Basin

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