Zonal Isolation

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Horizontal completions are becoming longer and more sophisticated, often through different formations. Different openhole completions are being used, with many types of slotted pipe or sandscreens, often combined with sophisticated ICD’s.

To isolate “wet” zones or to segment the production zone to be able to modify the production profiles and shut-off potential water or gas breakthrough, it is essential to create an effective barrier between completion and borehole without using cement.