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Related Products
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Hengshui Guangxing Double Layer Water Well Screen/johnson Screen FilterUS$ 28 - 28MOQ: 5 Meters -
Pipe Base Well Screen/wedge Wire Water Well Screen/johnson Well ScreenUS$ 69 - 98MOQ: 20 Meters
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Hengshui Guangxing Continusous Slot Wedge Wire Pre Packed Multilayer ScreenUS$ 28 - 28MOQ: 5 Meters
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Hengshui Guangxing Sand Control Stainless Steel Sand Gravel ScreenUS$ 28 - 28MOQ: 5 Meters
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High Strength Prepack Well Screen for Well Drilling/gravel Pack Well ScreenUS$ 28 - 28MOQ: 5 Meters
high strength prepack well screen for well drilling/gravel pack well screen
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.
For the pre-packed screen, base pipe can apply perforated casing with API standard, bridge slot pipe, or continuous slot well screen, while in the middle layer, the filter media could be quartz sand, wier mesh, metal fibre,ceramic beads , etc. The screen jacket could use continuous slot screen, bridge slot pipe.
Pre-packed screens are ideal for horizontal boreholes and boreholes that deviate from vertical. the pre-packed screen is well suited for situations where placing a conventional gravel pack is difficult. the screen assembilies save time and reduce logistical planning, because no handling and no installation of bulk pack material is needed.
Benefits:
Smaller borehole
No gravel placement
Increased strength
Thinner filter pack
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