Patent ID: 7322739

Claim:
A sparging screen including: (a) a number of screen passages extending transversely through a screen body from a first side of the screen body to a second side of the screen body, the screen body including a first side component and a second side component, the first side component including a first portion of each respective screen passage and the second side component including a second portion of each respective screen passage; (b) a fluid chamber within the screen body; (c) each respective screen passage having a respective sleeve positioned between the first side component and the second side component, the respective sleeve comprising a tube having an inner surface and an outer surface, the respective sleeve being oriented with respect to the first side component and second side component such that the inner surface defines a middle portion of the respective screen passage between the first portion and second portion of the respective screen passage; and (d) a fluid communication structure positioned in a respective one of the sleeves so as to extend transversely between the respective inner surface and outer surface, the fluid communication structure providing fluid communication from the fluid chamber to the screen passage area defined by the respective sleeve.