Xinjiang Petroleum Geology

Xinjiang Petroleum Geology ›› 2004, Vol. 25 ›› Issue (5): 492-494.

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Structural Style and Evolution in Dongpu Sag

XU Ju-zhen1,2, WANG Shi-kun2, HUANG Jun-feng2, GAO Jian-zhen2   

  1. 1. Department of Energy and Geology, China University of Geosciences, Beijing 100083, China;
    2. Research Institute of Petroleum Exploration and Development, Zhongyuan Oilfield Company, Sinopec, Puyang, Henan 457001, China
  • Received:2003-06-16 Revised:2004-01-14 Published:2021-01-13

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Abstract: According to structural setting in formation and evolution of stretching basin, this paper presents the analysis of the stretching,strike-slipping, transforming and diapiric structural styles in Dongpu sag in terms of structure geometry. It is suggested that Palaeogene Dongpu sag was evolutive and formed under the setting of both stretching and strike-slipping processes.Such a stretching process superimposed with the strike-slipping one, the effect of south North China basin on southern Dongpu sag and the salt rock diapiric process in middle of the basin are the main factors for forming two lateral transforming structural zones,thus forming complex structural styles and struciural combinations in this sag.

Key words: Dongpu sag, basin, structure, evolution

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