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RKT-225-PL X-Ray Core Tomograph (Reservoir Conditions)

This tomograph is intended for the tomography of core samples, including full-size core (O 100mm), under reservoir conditions. The tomograph is based on the approach where the core remains fixed. The X-ray source and detector can rotate 360 degrees in a plane perpendicular to the coreholder axis and also move along the coreholder. A radiotransparent coreholder of composite material allows applying reservoir pressures and temperatures.

RKT-225-PL X-Ray Core Tomograph (Reservoir Conditions)

Advantages

Studying deformations, cracks and fracture formation in core requires high resolution because the heterogeneities involved are small. To this end, the tomograph uses a solid state high-resolution X-ray detector and an X-ray tube with small focal spot. These components haves made it possible to obtains high resolution (100 µm) of the tomography when scanning full-size core.

RKT-225-PL X-Ray Core Tomograph (Reservoir Conditions)


Additional features

In combination with a pump filtration system the tomograph can be used for a detailed study of fluid saturation of core under reservoir conditions. The result of the system operation is a 3D distribution of the fluid saturation of the core sample.

RKT-225-PL X-Ray Core Tomograph (Reservoir Conditions)


Technical specifications

Core diameter up to 100 mm
Core length up to 1000 mm
X-ray source
X-ray tube rated voltage 225 kV
Power 320 W
Focal spot 0.2 mm, IEC336
X-ray detector
Diagonal dimension 315 mm
Number of pixels 1560х1560
Pixel size 0.14 mm
X-ray source-to-detector distance500 mm
3D tomography parameters
Resolution 0.1 mm
Scanning time (100 mm) 5-50 minutes
Detectable fractures 1х0.1х0.05 mm
Contrast resolution 0.5 %
Reconstruction time 15 minutes
2D radiography parameters
Resolution 0.14 mm
Scanning time (100mm) 3-10 s
Contrast resolution 0.5 %


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Cells for proppant conductivity studies

API-61 cell is intended for proppant conductivity studies. To perform a measurement, proppant is placed between the two planes of the cell. A cell modeling a fracture is placed in a hydraulic press. A prepared pre-heated liquid is pumped through the proppant pack. At a fixed compression of the pack, the following parameters are measured: pressure difference, flow rate and fracture width.

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