苏北盆地高邮凹陷古近系阜宁组一段浅水三角洲和滩坝沉积模式*

doi:10.7605/gdlxb.2013.05.060

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Abstract

Based on the core observation and thin section identification of 38 wells drilled through the Member 1 of Paleogene Funing Formation in Gaoyou sag, Subei Basin, it was discovered that the sedimentary facies was characterized by shallow delta and beach bar sedimentary features, which was different from that of previous study. The shallow delta facies could be divided into delta plain and delta front sub-facies. The former subfacies, contained distributary channel, mouth bar and subaqueous natural levee and the latter one included subaqueous distributary channel, subaqueous natural levee, bay between distributary channels and river mouth bar. In the period of lake level fluctuation, the distributary channels of shallow delta|stretched into the center of the lake basin to form several superimposed lobes. While adjacent to the edge of shallow delta, beach bars were distributed in ribbon shape along lacustrine shoreline by the transformation of lake wave and coastal current. Thus, a new type of sedimentary model named shallow delta and beach bar depositional model was set up.

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	Articles by authors
	Ji Youliang
	Lu Huan
	Liu Yurui

Key words： Subei Basin Gaoyou sag Funing Formation shallow delta beach bar depositional model

Received: 02 July 2012 Published: 01 October 2013

ZTFLH:

P512.2

Corresponding Authors: Lu Huan, born in 1988, graduated from China University of Petroleum (Beijing) in 2013 and is mainly engaged in researches on sedimentology and reservoir geology. Now she is working for CNOOC (Tianjin Branch). Tel：18061155817. E-mail: luhuan1988210@163.com.

About author: Ji Youliang, born in 1962, is a professor of China University of Petroleum(Beijing), and is mainly engaged in teaching and researches on petroleum geology, sedimentology and sequence stratigraphy. E-mail: jiyouliang@cup.edu.cn. 

Cite this article:

Ji Youliang,Lu Huan,Liu Yurui. Sedimentary model of shallow water delta and beach bar in the Member 1 of Paleogene Funing Formation in Gaoyou sag, Subei Basin[J]. JOPC, 2013, 15(5): 729-740.

URL:

http://journal09.magtechjournal.com/gdlxb/EN/10.7605/gdlxb.2013.05.060 OR http://journal09.magtechjournal.com/gdlxb/EN/Y2013/V15/I5/729

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