Petrophysical databases for ground characterisation: design concepts and considerations

The framework for ground characterisation facilities identification of parameters influencing engineering behaviour. The availability of data of known reliability is an essential component, requiring specification of uncertainties arising from precision and accuracy, and the effects of interpolation...

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Bibliographic Details
Published in:Marine and petroleum geology 1996-06, Vol.13 (4), p.427-435
Main Authors: Rosenbaum, Michael S., Nathanail, C.Paul
Format: Article
Language:English
Subjects:
Areal geology. Maps
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geologic maps, cartography
geostatistics
GIS
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Summary:The framework for ground characterisation facilities identification of parameters influencing engineering behaviour. The availability of data of known reliability is an essential component, requiring specification of uncertainties arising from precision and accuracy, and the effects of interpolation. This is enabled by the integration of geostatistics with Geographical Information Systems to quantify the spatial distribution of petrophysical parameters and facilitates data audit. The sampling of probability distribution functions has been used for random data and geostatistical variograms have been successfully applied to quantify these spatial aspects. When applied to a petrophysical database in an appropriate situation, the geostatistical results help support decision making and can be used to assess the need for further investigation.
ISSN:0264-8172
1873-4073
DOI:10.1016/0264-8172(95)00088-7