Forming conditions of Chang 6 reservoir in Anding area of Zichang Oilfield

  • ZHANG Zhenggang ,
  • YUAN Jianying ,
  • YAN Cunfeng ,
  • MA Xinmin
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  • 1. Geology Department, Northwest University, Xi’an 710069, China; 2. Department of Exploration, Yanchang Oilfield Ltd. Company, Yanchuan 717208, China

Online published: 2009-03-16

Abstract

The forming conditions of Chang 6 reservoir in Anding area of Zichang Oilfield are studied. Chang 6 reservoir is typical low and ultra-low permeability reservoir, with single source-reservoir-seal assemblage. Lacustrine source rocks provided resource for the oil and gas generation, and flood plain facies and paludal facies mudstone supplied cap rock for the reservoir accumulation. The results show that Chang 6 reservoir is typical lithologic reservoir, and the hydrocarbon enrichment is dominated by reservoir properties, lithologies and lithofacies. Both the sedimentary facies zones and reservoir properties control the hydrocarbon distribution of Chang 6 reservoir.

Cite this article

ZHANG Zhenggang , YUAN Jianying , YAN Cunfeng , MA Xinmin . Forming conditions of Chang 6 reservoir in Anding area of Zichang Oilfield[J]. Lithologic Reservoirs, 2009 , 21(1) : 46 -50 . DOI: 10.3969/j.issn.1673-8926.2009.01.009

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