pre-packed well screen

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pre-packed well screen
Posting date : Oct 29, 2012
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73-
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A pre-packed well screen consists of one screen telescoped inside another, with an annulus filled with filter pack at the factory before shipment. The pre-packed screen is designed especially for high capicity wells, these screens offer unique advantages over conventional rod based screens with respect to strength. it features include: collapse strength equal to pipe; double the tensile strength of standard rod based screen; a bioresistant, hydraulically superior (to silica sand) pack; a greater percentage of open area(for deep applications) than that of a conventional screen, due to the dual support construction. Benefits of the Pre-packed screen are; * Smaller borehole * No gravel placement * Increased strength * Thinner filter pack

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