well screen(wedge wire screen)
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wedge wire screen
Aokai well screen is manufactured by a V or wedge shaped wire around an internal
array of longitudinal support rods. Each intersecting point of these wires is fusion
welded. The V or wedge shaped profile wire wraps around the support rods over
the full length of the screen creating a continuous slot opening, hence the screen
allows water (oil) to enter your well freely in ample quantities, while at the same time keeps the majority of sand and gravel out of the well.