Well fluid separator tank for separation of fluid comprising water, oil and gas, use of such a tank, and a method for separating a well fluid including water, oil, and gas
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United States of America Patent
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Jan 31, 2012
Grant Date -
Jan 14, 2010
app pub date -
Oct 27, 2006
filing date -
Oct 28, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A well fluid separator tank comprises an essentially cylindrical vertical tank (1) having an upper part (6) and a lower part (7) divided by an upward protruding conical frusta shaped wall (5), a tangentially arranged inlet (2) for fluid in the upper part of the tank, at least one first outlet (4) in the upper part of the tank, at least one second outlet (3) in the lower part of the tank, and means (12) for calming a stream around the second outlet. The upward protruding conical frusta shaped wall (5) has a first opening (8) 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. The conical frusta shaped wall (5) has an inclination (9) so that the angle between the wall of the tank and the upper side of the conical frusta shaped wall is in the range from 15.degree. to 70.degree..
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