Seismic Facies Research of the Jiufotang Formation and Shahai Formation in Ludong Depression, Kailu Basin
详细信息
- 责任者：Xie Qingbin (College of Geosciences ; China University of Petroleum ; Beijing 102249 ; China) ; Liu Mingjie
- 刊名：Geological Journal of China Universities
- 出版年：2013
- 卷期：19(3)
- 关键词：地震相 ; seismic facies ; 层序地层学 ; sequence stratigraphy ; 内蒙古 ; Inner Mongolia
- 页码：p.544-551
- 图表：7 illus., 17 refs.
- 分类号：1003
- issnNo：ISSN1006-7493
- isbnNo：CN32-1440/P
摘要
Ludong Depression is the peripheral exploratory area of Liaohe Oilfield Company.Based on the seismic reflection termination relationship and the regional geological background,the Jiufotang Formation and Shahai Formation in Ludong Depression can be divided into two seismic sequences,i.e.,the Jiufotang sequence and shahai sequence.According to the internal reflection texture and external geometric configuration and in combination with the parameters of amplitude and continuity,six seismic facies are identified in the target sequences of the study area,including parallel sheet,sub-parallel sheet,wedge shaped,foreset,unorganized and lenticular seismic facies.And their characteristics are described in detail.These seismic facies show variations in horizontal distribution and are successive and evolutionary vertically.Seismic facies are correlated to sedimentary facies through a comprehensive interpretation.The seismic-sedimentary facies model of each sequence is established according to the lacustrine sedimentary theory.The results show that the sedimentary facies of fan delta,nearshore submarine fan,turbidite fan and lake was developed in the target sequences.
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