Sequence Stratigraphy of Eocene-Miocene Carbonera Formation in Middle Llanos Basin
详细信息
- 责任者：Lin Shuicheng (College of Energy Resources ; Chengdu University of Technology ; Chengdu 610059 ; China) ; Fu Heng
- 刊名：Computing Techniques for Geophysical and Geochemical Exploration
- 出版年：2013
- 卷期：35(1)
- 关键词：油气勘探 ; petroleum exploration ; 层序地层学 ; sequence stratigraphy ; 哥伦比亚 ; Colombia
- 页码：p.79-85
- 图表：illus., 10 refs.
- 分类号：1003
- issnNo：ISSN1001-1749
- isbnNo：CN51-1242/P
摘要
By means of sequence stratigraphy theory and based on the analysis of lithostratigraphy,logging stratigraphy and seismic stratigraphy,eocene-miocene carbonera formation in middle Llanos basin is divided into four 3rd-order sequences.All the four sequences are composed of the transgressive system tract deposits inner shelf and prodelta and the high-stand system tract mainly deposits delta front,the low-stand system tract doesn’t present.The integral exhibits four series of marine invasion to dereliction depositional cycle.The tectonic movement and sea level change are the main controlling factors of the sequences of Carbonera formation.According to the analysis of sequence evolution and petroleum geology conditions,the delta subsea distributed channel developed in high-stand system tract are favorable explorative targets for high quality reservoirs.
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