J4 ›› 2009, Vol. 39 ›› Issue (4): 650-655.

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Oil and Gas Accumulation History Using Fluid Inclusions and Basin Modeling-Example from the Western Slope of the Yuanyanggou Sub-Sag

HUANG Wen-biao1,MENG Yuan-lin1,LU Shuang-fang1,XIAO Li-hua1,GAO Jian-jun2,SUN Shan3,WANG Yi-jun4   

  1. 1.College of Earth Sciences, Daqing Petroleum Institute, Daqing,Heilongjiang 163318, China;2.Exploration and Development Research Institute,Liaohe Oilfield Company, Panjin,Liaoning 124010, China;3.Exploration &|Development Institute, Daqing Oilfield Company Limited, Daqing,Heilongjiang 163712, China;4.No.1 Oil Production Subcompany, Daqing Oilfield Company Limited, Daqing,Heilongjiang 163453, China
  • Received:2008-10-10 Online:2009-07-26 Published:2009-07-26

Abstract:

Defining the hydrocarbon migration period and the path is a key to the analysis of oil and gas reservoir.The time and space distribution characteristics of hydrocarbon migration and the accumulation kinetics of the western slope of Yuanyanggou sub-sag are determined, through homogenization temperatures of fluid inclusions,simulation and paleo-geothermal history and petroleum inclusions particles index GOI statistics. The results show that the Hydrocarbon migration times of the western slope of the Yuanyanggou sub-sag are Ed2,Ed1 and Nm,of which the Ed2 and Ed1 are two main stages.A basin modeling study further shows that the Shahejie Group began to produce oil at the end of Es1, but large-scale oil and gas expulsion and accumulation started during the Ed period.The statistical and analysis indicate that the high-value areas of GOI (GOI>5%) is favorable areas for hydrocarbon accumulation, and Huanxiling and Shuangnan oilfields are in the GOI>5% region.A perfect time and space distribution characteristics of hydrocarbon migration may be determined by the information from enclosure and basin modelling.

Key words: enclosure;hydrocarbon accumulation period, homogenization temperature, basin modeling, western Liaohe sag, Yuanyanggou sub-sag

CLC Number: 

  • P618.13
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