Johnson type screen / sand control wedge wire screen are manufactured by a or v wedge shaped wire around an internal array of the longitudinal support rods. The world-advanced and all-weld technology is used with each interesting point of these wire fusion welded, which creates the robust construction and the excellent mechanical performance. The v or wedge shaped profile wire wraps around support rods over 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 majority of sand and gravel out of the well. The slots can be changed according to different strata.
