Oil & Gas Geology ›› 2007, Vol. 28 ›› Issue (2): 129-138.doi: 10.11743/ogg20070201

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A discussion on dynamics and dynamic system for hydrocarbon migration and accumulation

Tian Shicheng1, Sun Ziming2, Fu Jinhua3, Han Jun4, Hu Chunyu1   

  1. 1. China University of Geosciences, Beijing, 10083;
    2. Exploration and Exploration Research Institute, Sinopec, Beijing, 10083;
    3. Linpan Oil Production Plant of Sinopec Shengli Oil Company, Linyi, Shandong, 251500;
    4. PetroChina Xinjiang Oil Company, Kelamayi, Xinjiang, 834000
  • Received:2007-03-12 Online:2007-04-25 Published:2012-01-16

Abstract:

Hydrocarbon migration and accumulation dynamics studies various driving forces of hydrocarbon migration and accumulation,geodynamic background of basins,and dynamic systems for hydrocarbon migration from source rocks to traps and entrapment.The dynamic system not only serves as a carrier for hydrocarbon migration and accumulation dynamics,but also occupies a very important place in the dynamics studies.It consists mainly of hydrocarbon expulsion units and their combinations,subsystem of hydrocarbon migration and accumulation dynamics,pathway systems.The progresses in the study of dynamic systems include(1) the application of sequence stratigraphy to the determination and classification of the dynamic systems,resulting in a better understanding of the fact that the maximum flooding surface is critical for recognizing and classifying the dynamic systems;(2) achievements on the study of the dynamic system in the areas with abnormal pressure compartments;(3) researches on the role the tectonic dynamics in the process of hydrocarbon generation,expulsion,migration,accumulation,re-migration,and re-accumulation,and the destruction of the reservoirs.

Key words: dynamics of hydrocarbon migration and accumulation, dynamic system of hydrocarbon migration and accumulation, expulsion unit, expulsion unit combination, pathway system

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