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SOMATOMSOMATOM Definition AS+: The world’s fastest single source CT scanner.

The system with its 128 slices/per rotation has industry’s highest rotation speed of 300 milliseconds. The system is capable of performing a longitudinal scan at 5mm, a 90 degree to the longitudinal scan at 5mm and a radial scan at 10 mm of a meter of core in about 20 seconds.

All scans are performed with the lowest possible radiation dose thereby addressing this growing concern on radiation exposure.

The idea behind Dual Source CT is as simple as ingenious: it is merely using two X-ray sources and two detectors at the same time. The result? You get double temporal resolution, double speed, and twice the power. Further, the Siemens’ ‘award winning’ and integrated in the system allows finer imaging details at higher speed.

Siemens‘ proprietary ‘Z Sharp’ technology provides CT images with previously unknown sharpness, diagnostic detail, clarity, and speed.

In addition, z-UHR Technology pushes the boundaries of ultra-high spatial resolution to unparalleled 0.24 mm isotropic detail.

 
Applications:
  • Visualization offers the possibility to view slices of the rock samples in any direction. Consequently, bedding planes and fracture planes can be viewed orthogonally. Both slice and transparent volume views are possible, readily revealing the sedimentary and structural features of the rock. Having a 3 dimensional view of the core gives a better judgement of the heterogeneity of the core.
  • This allows the finer details like microfractures to be easily identified and thus allow better selection of sampling points for SCAL tests.
  • Laminations in unconsolidated cores can be identified allowing better sample selection for Routine and SCAL analysis even without removing the cores from the barrels.
  • Density differences and vugs in the core are clearly seen.
  • Hounsfield Units of the radial CT Scan (across the vertical axis of the core) on a per square centimeter basis can either be averaged for a centimeter of core and the variations in density can be plotted as a function of depth. These can be displayed alongside core logs or downhole logs for better correlations.


 
 
   
CT Scan Schematic








 
 
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