Lithologic Reservoirs ›› 2010, Vol. 22 ›› Issue (1): 82-86.doi: 10.3969/j.issn.1673-8926.2010.01.015

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Diagenetic facies of chang 81 sub-member of Triassic Yanchang Formation in Zhenjing block of Ordos Basin

LU Degen， LIU Linyu， LIU Xiuchan， LI Wenbin   

  1. State Key Laboratory of Continental Dynamics， Northwest University， Xi’an 710069， China
  • Online:2010-03-15 Published:2010-03-15

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Abstract:

In view of the prospects for oil and gas exploration and development in Zhenjing block in southern Ordos Basin, the rock thin sections, cast thin section and SEMare used to analyze the core hole data. According to the analysis and research on the feature of petrology and diagenesis, and combining the research of reservoir physical property, the distribution of diagenetic facies belt in Zhenjing block is effectively predicted with the method of “three charts polymerization”. By means of analysis on the feature of four types of diagenetic facies, the idea that distribution of diagenetic facies belt playing control action at oil and gas enrichment is proposed, which provides scientific foundation for the further exploration.

Key words: geologic well data, geological mapping and plotting, AutoCAD platform, Auto Lisp files

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