Patent ID: 8105421
Filing Date: 2012-01-31
Classification: B01D,B03D,B04C,C02F

Abstract:
1. A well fluid separator tank for separation of fluid comprising water, oil and gas, and comprising an essentially cylindrical vertical tank having an upper part and a lower part divided by an upward protruding conical frusta shaped wall, a tangentially arranged inlet for fluid in the upper part of the tank, at least one first outlet in the upper part of the tank, at least one second outlet in the lower part of the tank, and means for calming a stream around the second outlet; said upward protruding conical frusta shaped wall having a first opening at an upper end of said upward protruding conical frusta shaped wall to allow communication between the upper part and the lower part of the tank, which conical frusta shaped wall is fixed to the wall of the tank at a position below the position of the inlet opening and has a second opening at the level of the inlet, and which conical frusta shaped wall has an inclination so that the angle between the wall of the tank and the upper side of the conical frusta shaped wall is in the range between 15° and 70°.