Comparative pore surface area in primary and secondary porosity in sandstones

Daniel R. Nolansnyder, John Parnell (Corresponding Author)

Research output: Contribution to journalArticle

1 Citation (Scopus)
6 Downloads (Pure)

Abstract

Primary and secondary porosity in sandstones possess different pore geometry characteristics, but these are not well quantified. The pore surface area in 2 suites of sandstones exhibiting only primary porosity (Permo-Triassic, Northern Ireland) and only secondary porosity (Cambrian, England) were measured using JMicrovision software. The data show pore surface areas per unit pore volume similar to 2.5 times as great in the secondary porosity compared to the primary porosity. This difference is great enough to have a significant impact on properties dependent on pore surface area, including oil production and capacity for microbial colonization in the deep biosphere.

Original languageEnglish
Pages (from-to)489-492
Number of pages4
JournalJournal of Petroleum Science and Engineering
Volume172
Early online date2 Oct 2018
DOIs
Publication statusPublished - Jan 2019

Keywords

  • sandstone
  • porosity
  • secondary porosity
  • pore surface area
  • reservoir
  • deep biosphere
  • Pore surface area
  • Deep biosphere
  • Secondary porosity
  • Reservoir
  • Porosity
  • Sandstone
  • BACTERIA
  • RESERVOIR
  • PREDICTION
  • OIL
  • DISSOLUTION
  • SEDIMENT
  • GRAIN
  • IMAGE-ANALYSIS
  • SYSTEMS
  • DIAGENESIS

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Fuel Technology

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