|Table of Contents|

Characters of Sand Bodies in Chang 6 Section of Yanchang Formation in the Central Lake Basin of Ordos Basin(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2009年第01期
Page:
53-57
Research Field:
基础地质与矿产地质
Publishing date:

Info

Title:
Characters of Sand Bodies in Chang 6 Section of Yanchang Formation in the Central Lake Basin of Ordos Basin
Author(s):
HUI Xiao;  ZHANG Hai-feng
(Exploration and Development Research Institute of Changqing Oilfield Company, China National Petroleum Corporation, Xi'an 710021, Shaanxi, China)
Keywords:
Ordos basin;  Yanchang formation;  Chang 6 period;  the central lake basin;  cause of sand bodies formation
PACS:
TE121.1;P618.13
DOI:
-
Abstract:
By source analysis and researches on the sedimentary characteristics, the formation mechanism and types of the thick sand bodies in Chang 6 period in central lake basin of Ordos basin is studied. The source of sand bodies is situated in the northeast and the southwest where the sedimentary facies include submerged distributary channel, mouth bar, distal bar and turbidite. The thick sand bodies developed in the early Chang 6 period when the lake basin transformed from raise to fall. Baibao and Heshui areas are the favorable zones for oil exploration due to the features of great sandstone thickness.

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Last Update: 2009-03-20