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Updated: May 23, 2026

Pore-scale Imaging and Characterization of Hydrocarbon Reservoir Rock Wettability at Subsurface Conditions Using X-ray Microtomography

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Published on: October 21, 2018

Effects of manual threshold setting on image analysis results of a sandstone sample structural characterization by

Anderson C Moreira¹, Carlos R Appoloni, Iara F Mantovani

¹Laboratório de Meios Porosos e Propriedades Termofísicas (LMPT), PGMAT/EMC, Universidade Federal de Santa Catarina, Florianópolis-SC, Brazil. anderson@lmpt.ufsc.br

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine

|April 3, 2012

Abstract:

Binarization process plays an important role in structural characterization by means of micro-CT images analysis. The choice of the correct threshold to separate porous phase from the material is the procedure for binary images creation. Slight variations of the threshold level led to substantial variations in physical parameters determination. The aim of this work is to evaluate these variations based on manual threshold settings data of five operators. Porosity and pore size distribution of a sandstone sample were determined.

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