Liquid purification or separation – Diverse distinct separators – Including a filter
Patent
1984-12-24
1986-07-08
Spitzer, Robert
Liquid purification or separation
Diverse distinct separators
Including a filter
166234, 175 66, 210409, 2104331, 210460, B01D 2302
Patent
active
045991723
ABSTRACT:
An apparatus for filtering drilling mud that is being recirculated out of the drill hole. A flow conveying tubular section has at its first lower end a flanged base portion sealably attachable to the well casing or blow out preventer and is open-ended at its second end for allowing fluid flow therethrough. Also provided is an outer tank portion encapsulating substantially the upper half portion of the tubular section. The tank portion has an open-ended top for receiving flow out the upper end of the flow conveying tubular section and is integrally attached at its bottom portion to the outer surface of the tubular section to define a container for receiving fluid flow from the tubular section. An adjustable primary filter is provided on that portion of the tubular section enclosed by the tank portion for filtering and conveying fluid out of the tubular section into the tank portion. There is provided a secondary filter having a plurality of angulated vanes defining an angulated mud filtering surface.
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