Illustrated Workflow for Automatic Data Reduction and Quantification of X-ray Computed Tomography Images of Sedimentary Cores| Chapter 3 | Novel Perspectives of Geography, Environment and Earth Sciences Vol. 2

 The grown plan reduces information held in 3-Dimensional alone energy X-ray computerized axial tomography scanner (XR-CT) figures of sedimentary rocks into substitute-mm scale determination core scalar and gist figure logs. The resulting record views support a all-inclusive and compact (data capacity decline of ∼ 90%) description of the XR-CT concepts relaxing core-record-tectonic integration works. Density-accompanying outputs are calibrated utilizing mechanical unification with unending mathematical visual gist writing (VCD) and discrete dampness and bulk (MAD) property index calculations of picked samples. Following the change of the X-ray attenuation coefficients into bulk principles based on lithology, determinable performances include (1) graph resembling pie of the dispersion of density principles and allure related mathematical limits, (2) branching and angular distributions of gist mass values, (3) capacity, average bulk and mass gifts of three gist fractions delineated by mass thresholds corresponding to voids or vugs (VV, bulk ≤  ∼ 1 g.cm-3), and a intrude the graph resembling pie of distribution of the mass principles showing surplus middle from two points the damaged (DM) and non-broken (ND) parts of the core material, accordingly, (4) specify a sub-mm scale largeness bulk gist log innocent some drilling commotion. The order is demonstrated utilizing dossier from the 365 m deep Hole C9001C drilled off-shore Shimokita (northeast coast of Honshu, Japan) and beginning of the Nankai Trough Seismological district (NanTroSEIZE, Center for Deep Earth Exploration-Jamstec, International Ocean Discovery Program). The outputs can be secondhand for a difference of purposes, in the way that (1) derivation of substitute-mm scale porosity center log, (2) discipline of book sensitive calculations as long as of poor gist condition and incompletely filled gist contents, and (3) seismic shaping and well ties.

Author(s) Details:

Philippe J. Gaillot,
ExxonMobil Exploration Company, Upstream Business Development, 77389 Spring, Texas, USA and Formerly at Center for Deep Earth Exploration – CDEX, JAMSTEC, Yokohama 236-0001, Japan.

Mathieu J. Duchesne,
Geological Survey of Canada and Institut National de la Recherche Scientifique, 490 rue de la Couronne, Quebec City, Qc, G1K 9A9, Canada.

Peter Blum,
Integrated Ocean Drilling Program, 1001 Discovery Drive, 77845 College Station, Texas, USA.

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