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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2008  >  30(4): 352-356
Liu Yanli, Qiu Chunguang, Xiong Liping. STUDY OF THE SEDIMENTARY CHARACTERISTICS AND HYDROCARBON ACCUMULATION RULES FOR THE GABON BASIN, WEST AFRICA[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(4): 352-356. doi: 10.11781/sysydz200804352
Citation: Liu Yanli, Qiu Chunguang, Xiong Liping. STUDY OF THE SEDIMENTARY CHARACTERISTICS AND HYDROCARBON ACCUMULATION RULES FOR THE GABON BASIN, WEST AFRICA[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(4): 352-356. doi: 10.11781/sysydz200804352
shu

STUDY OF THE SEDIMENTARY CHARACTERISTICS AND HYDROCARBON ACCUMULATION RULES FOR THE GABON BASIN, WEST AFRICA

doi: 10.11781/sysydz200804352
  • 1.

    China University of Petroleum, Beijing 102249, China

  • 2. Research Institute of Petroleum Exploration and Production, SINOPEC, Beijing 100083, China

  • 3. CNOOC Research Center, Beijing 100027, China

  • Received Date: 2007-09-30
  • Rev Recd Date: 2008-05-30
  • Publish Date: 2008-07-28
    Abstract
  • A comprehensive study of the regional tectonic setting,sedimentary evolution and source reservoir cap conditions indicates that the Gabon Basin has experienced 3 evolutional phases: rifting period,transitional period and drifting period.The sedimentary strata of every evolutional phase are divided into 3 parts: pre-salt sequence,salt sequence and post-salt sequence.The main petroleum systems are the pre-salt and post-salt sequences.The post-salt petroleum system is distributed on the North Gabon sub-basin and pre-salt one is located in the South Gabon sub-basin.It makes clear the main sedimentary distribution of pre-salt and post-salt sequences and their controlment on source rocks and reservoirs.This paper summarizes the main factors of post-salt reservoirs are "reservoir controlled by fault scarp,traps controlled by salt,oil controlled by tectonic and traps" and the main factors of pre-salt reservoirs are "sources and reservoirs controlled by facies,caps controlled by salt,oil controlled by tectonic and traps".

     

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