Patent ID: 6547005
Filing Date: 2003-04-15
Classification: E21B

Abstract:
An oil well system for extracting oil extracted from a reservoir via a well, comprising a separator device adapted to separate oil and water from a mixture extracted from a reservoir, said separator device comprising:an inclined non-vertical first flow path for the mixture and being arranged along a non-vertical portion of the well; a second flow path, separate from the first flow path, for receiving water or a water enriched phase that has been separated from the mixture by the separator device; and a plurality of drain openings along a section of the first flow path, the first and second flow paths being arranged such that water or the water enriched phase in the first flow path can flow by gravity to the second flow path via the drain openings, wherein an opening area of said drain openings, per unit area of the first flow path, decreases in a flow direction of the mixture along said section of the first flow path.