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Petroleum Science

, Volume 4, Issue 1, pp 1–9 | Cite as

Comparative study of basins within palaeogene seaway in east China and cretaceous seaway in North America and its reservoir significance

  • Wu Xiantao
Petroleum Geology & Geophysics

Abstract

The well known Cretaceous seaway in North America was recognized in the middle of the last century and the Palaeogene seaway in East China was proposed by the author recently. The two seaways located on the opposite sides of North Pacific Ocean may be not a coincidence, and a comparative study was made in this paper. The results show that the two seaways inundated basins share several similarities particularly in basin origin, filling processes and reservoir facies. It is suggested that reservoir facies of estuarine sandstone and shelf bar sandstone related to sea level fluctuation, which are well developed in the Cretaceous seaway covered basins in North America might have been also developed here in Palaeogene seaway inundated basins in East China. Therefore it is worth paying more attention to finding these new reservoir facies on this side of the Pacific ocean. Evidences of sedimentology and ichnology indicate that good prospects are likely.

Key words

Palaeogene seaway estuarine sandstone trace fossils reservoir facies 

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Copyright information

© China University of Petroleum 2007

Authors and Affiliations

  • Wu Xiantao
    • 1
  1. 1.Institute of Fossil FuelHenan Polytechnic UniversityJiaozuo, HenanChina

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