LITHOLOGIC RESERVOIRS ›› 2015, Vol. 27 ›› Issue (5): 1-5.doi: 10.3969/j.issn.1673-8926.2015.05.001

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Quantitative characterization of single mouth bar

Li Shaohua1， Hu Xiaoling1， Wang Jun2， Song Daowan2， Shi Jinghua2   

  1.  1. School of Geosciences ， Yangtze University ， Wuhan 430100 ， China ； 2. Geology Scientific Research Institute ，Shengli Oilfield Company ， Sinopec ， Dongying 257015 ， Shandong ， China
  • Online:2015-09-26 Published:2015-09-26

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Abstract:

Taking the 8th sand group of the second member of Shahejie Formation in Shengtuo Oilfield as an example, this paper analyzed the configuration of braided river delta mouth bar by using physical simulation experiment and measurement result of modern sedimentation, and studied the ratio of length to width of mouth bar. The results of physical simulation experiment show that the length of mouth bar varies from 45 cm to 210 cm and the width of mouth bar ranges from 30 cm to 150 cm, the ratio of length to width of mouth bar shows some correlation, as the same with the result of modern sedimentation measurement. At last, the empirical formula of the ratio of length to width of single mouth bar was established with combination consideration of physical simulation of sedimentation and measurement result of modern sedimentation. This formula can guide the study of reservoir architecture of mouth bar and the boundary identification of single mouth bar, providing support for establishment of fine 3D model of mouth bar.

Key words: sand injectites, core feature, Paleogene, Xihu Sag

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