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3-D Flow Unit Diagram

3-D Flow Unit Diagrams
Note: 3-D contouring algorithm used with permission from Kitware, Inc.

Scotia uses 3-D visualization to depict key reservoir properties and the physical interaction of these features with well bores. This is especially useful for determining why certain wells or parts of a field produce the way they do and for identifying volumes in which flow behavior may be different from surrounding regions.

The 3-D animation displayed on this page is of a portion of a carbonate reservoir in an area 7 miles east to west, 6 miles north to south and 350 feet thick. The different colored regions are the largest flow units with a contiguous porosity of six percent or greater. While these flow units are in pressure communication with each other, they act as individual high storage and flow capacity volumes impacting well productivity. Operations to improve ultimate recovery were designed to take into account the geometry of these volumes.

3-D Flow Unit Diagram

The reservoir analysis involving this imaging was created with 160 conventional porosity logs on a PC platform in less than 20 man days. Supporting algorithms allow the delineation of flow units meeting specific criteria, the detailing of rock properties in these flow units, and the identification of the intersection of the wells and flow units. This provides a cost effective means for detailed reservoir characterization using a variety of data sources including seismic.

The views start from above and rotate to horizontal in 30 degree increments to a view from the south. The image then rotates clockwise in 30 degree increments to return to the view from the south and then from above. The horizontal views are toward the midpoint of the image giving the perspective of being below the surface. Well bores are shown as black lines and the perforated intervals as red cylinders.

 

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