Advances in Earth Science ›› 2002, Vol. 17 ›› Issue (5): 754-762. doi: 10.11867/j.issn.1001-8166.2002.05.0754

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TIMING OF PETROLEUM ACCUMULATION: THEORY AND NEW METHODS

WANG Fei-yu 1,2, JIN Zi-jun 1,2, LU Xiu-xian 1,2, XIAO Xian-ming 3, PENG Ping-an 3, Sun Yong-ge 3   

  1. 1. Resources and Information College, Petroleum University of China, Beijing 102200, China;2. Education Ministry Laboratory of Petroleum Accumulation Mechanism, Petroleum University of China,Beijing 102200, China;3. State Key Laboratory of Organic Geochemistry, Guangzhou Geochemistry Institute, Chinese Academy of Sciences, Guangzhou 510640, China
  • Received:2002-01-04 Revised:2002-04-15 Online:2002-12-20 Published:2002-10-01

WANG Fei-yu, JIN Zi-jun, LU Xiu-xian, XIAO Xian-ming, PENG Ping-an, et al. TIMING OF PETROLEUM ACCUMULATION: THEORY AND NEW METHODS[J]. Advances in Earth Science, 2002, 17(5): 754-762.

Traditional methods for timing of petroleum accumulation are based on analysis of generation, migration, accumulation, reservoir, seal, and preservation and those factors relationship and efficiency, according to the history of structure, trap, and hydrocarbon fluids generation and expulsion. The routine three approaches to define timing of petroleum accumulation are main phase of oil generation for source rocks, timing of trap formation, and analysis of saturation pressure for pool. The research works were more focused on the analysis of fossil records of petroleum migration and accumulation in the reservoirs in past ten years, besides routine geohistory analysis, in order to obtain the quantitative data to constrain the timing and duration of petroleum accumulation. This paper reviewed the theory, methods and trends of timing of petroleum accumulation, including the diagenesis sequence of reservoir rocks and hydrocarbon fluids emplacement events, isotopic dating of authigenic minerals, fluid inclusions, palaeomagnetism, and accurate analysis of hydrocarbon generation history. 

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