Three component separation in an oil well
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United States of America Patent
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Apr 10, 2001
Grant Date -
N/A
app pub date -
Mar 18, 1998
filing date -
Sep 22, 1995
priority date (Note) -
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Abstract
A method of separating oil, water and sand in a production fluid. The production fluid is fed through a downhole liquid/liquid hydrocyclone (9). An oil enriched stream from the hydrocyclone (9) is pumped to the surface, while an oil depleted stream is fed to a downhole solid/liquid hydrocyclone (12). Here, the bulk of the solids is separated from the water, so that water which is substantially free of solids can be transported to a downhole disposal site (14).
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