DIN4925 Standard Stainless Steel 304 Thread Water Well Screen/Johnson Screen

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The johnson pre packed well screen have a double layer of high performance screen, having a very accurate V-shaped wire welded to support rods and a slot opening for the outer screen, which is selected to retain the formation sand, and an inner screen to retain the media pack.
The johnson pre packed well screens simplify the contractor's work, improve the odds for successful development and offer long-term benefits for the owner.

For the contractor, the pre-packed screen eliminates the need for a larger borehole. It shortens the amount of time required to drill a well, and speeds development time.
It uses ceramic beads as the filter media. This unique concept provides a filter pack that is less likely to get fouled with bio-film and encrustation. It also uses calibrated sand, either with or without epoxy resin, which is contained within the annuls of two concentric screens.
Close control of slot tolerances, designed to prevent sand migration.
It also lowers overall maintenance costs for the owner.

Applications:
Gravel-packing in cased-hole completions of vertical wells, directional wells and open-hole completions.

This is the result of our long-term unremitting efforts in the development of new DIN4925 Standard Stainless Steel 304 Thread Water Well Screen/Johnson Screen and the continuous improvement and evolution of the original products. We strive to be the best. Since established, we have focused on introducing and cultivating high-tech talents and takes it as development strategy. On your way in career, we can be your loyal friend! We always maintain a professional attitude in all aspects of pre-sales, in-sales, after-sales and after-sales services to ensure that you get a reliable service guarantee.

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