Hydrocarbon exploration and reservoir analysis
Abstract
Abstract
The X-ray Computerized Tomography (CT) method was applied for the characterisation of heterogeneities at small scale in intact rock samples. The CT-results were used in a qualitative and quantitative way. Qualitatively fractures and inclusions were studied and different types of artifacts were encountered. Using artificial glass samples, the artifacts were studied quantitatively. A calibration was conducted to determine the real width of a fracture from the CT-data. This calibration was applied and checked on a natural sample. La tomodensitométrie (scanner à rayon X) a été appliquée pour la caractérisation à petite échelle des hétérogénéités dans des matériaux rocheux intacts. Les résultats tomodensitométriques ont été étudiés qualitativement et quantitativement. Les fractures et les inclusions ont été évalués qualitativement et différents types de “artefacts” ont été rencontrés. Sur des échantillons artificiels en verre, une étude quantitative des “artefacts” a été faite. Finalement un calibrage pour la détermination de l’ouverture des fractures a été réalisé. Ce calibrage a été utilisé et contrôlé sur un échantillon naturel. Die Methode der Röntgen-Computer-Tomographie wurde zur Beschreibung von Heterogenitäten in intakten Gesteinsproben in kleinem Umfang angewendet. Die CT-Ergebnisse wurden qualitativ und quantitativ benutzt. Frakturen und Einschliisse wurden qualitativ untersucht und verschiedene Typen von Artefakten angetroffen. Mit Hilfe von künstlichen Glasproben wurden die Artefakte qualitativ studiert. Die CT-Werte wurden geeicht, um die wirkliche Breite der Frakturen zu bestimmen. Diese Eichung wurde an natiirlichen Proben angewandt und kontrolliert.
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@article{Verhelst2026computerized,
title = {X-ray computerized tomography: Determination of heterogeneities in rock samples},
author = {F. Verhelst and André Vervoort and Ph. De Bosscher and G Marchal},
year = {2026},
doi = {10.1201/9781003761389-24},
url = {https://doi.org/10.1201/9781003761389-24}
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