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water well screen
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September 16, 2017
Advantages for Stainless Steel Johnson Well Screenfor drilling equipment: 1.Johnson screen has a continuous slot opening which significantly increases the available open area , thus providing greater access to the water bearing zone(the aquifer) 2.A V-shaped profile wire which avoids […]
September 27, 2017
Bridge slot screen features bridge-like slot, which creates a gap between the well casing and the packed gravel. Bridge slots are spaced in rows or in staggered state.Straight seam welded bridge slot screen (ERW) is manufactured on a press from […]
November 4, 2017
A well screen is a filtering device that serves as the intake portion of wells constructed in unconsolidated or semi-consolidated aquifers. The screen permits water to enter the well from the saturated aquifer, prevents sediment from entering the well, and […]
November 8, 2017
A water well is a hole, shaft, or excavation used for the purpose of extracting ground water from the subsurface. Water may flow to the surface naturally after excavation of the hole or shaft. Such a well is known as […]
November 11, 2017
Pipe-based wire wrapped screen is another version of wire wrapped screen. It is suitable for severe environments such as high pressure, high temperature and deviated wells. Pipe-based screen can be easily modified to satisfy most well applications, such as steam, […]
December 6, 2017
Well screen performance is dependent on several factors, including wire and rod shape, construction, steel grade and microstructure, as well as slot accuracy over the full length of the screen. To meet the most demanding requests, Johnson Screens continues to […]