An Analysis of Sequence Filling Types and Process of Shihezi Formation in <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:place w:st="on"><st1:PlaceName w:st="on">Northeast</st1:PlaceName> <st1:PlaceName w:st="on">Ordos</st1:PlaceName> <st1:PlaceType w:st="on">Basin</st1:PlaceType></st1:place> <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

An Analysis of Sequence Filling Types and Process of Shihezi Formation in Northeast Ordos Basin

详细信息

责任者：Chen Anqing (State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation ; Institute of Sedimentary Geology ; Chengdu University of Technology ; Chengdu 610059 ; China) ; Chen Hongde
刊名：Geology in China
出版年：2009
卷期：36(5)
关键词：上石盒子组 ; Upper Shihezi Formation ; 下石盒子组 ; Lower Shihezi Formation ; 层序 ; sequence ; 鄂尔多斯盆地 ; Ordos Basin
页码：p.1046-1054
图表：7 illus., 1 table, 28 refs.
分类号：1200
issnNo：ISSN1000-3657
isbnNo：CN11-1167/P

摘要

Based on data from field outcrops, well logs and drilling cores, this paper studied the sequence filling types and evolution of Shihezi Formation in northeastern Ordos Basin. In the early development stage of the continental depression basin, the braided river delta and the meandering river delta were successively filled, and in the mature stage of the continental depression basin, the anastomosed river delta was filled. In conclusion, the palaeophysiography and sequence filling controlled by base-level cycles must have had played an important role in forming lithologic reservoirs in Ordos Basin.

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