Microstructural analysis of quartz grains in Vasyugan suite sandstones of layer Ui11-2 in Kazanskoe deposit

D. Cherdantseva, L. Krasnoshchekova

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Microstructural analysis of quartz grains in sandstones revealed preferred directions which define and influence porosity and permeability anisotropy in oil and gas reservoirs In this research, we investigated the Upper Jurassic sandstone reservoir sediments from 14 wells in Kazanskoe field. The authors studied: the orientation of elongated quartz grains, and intergranular fracture within grains, as well as the pore space in oriented thin sections of sandstones. The analysis of elongated quartz grains in the bedding plane showed three main types of preferred directions in quartz grain orientation along different axes in sandstone reservoirs. Obtained results allow identifying a variability of facies and dynamic depositional environment for Upper Jurassic sandstone formation. Subsequently, these results can be used in field modeling, as well as pattern optimization of injection and production wells.

Original languageEnglish
Article number012007
JournalIOP Conference Series: Earth and Environmental Science
Volume21
Issue number1
DOIs
Publication statusPublished - 2014

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sandstone
quartz
Jurassic
well
bedding plane
pore space
thin section
depositional environment
anisotropy
porosity
analysis
permeability
oil
sediment
modeling

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

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