Filtering screen construction and methods

摘要

An assembly and method is provided for a screen that may be utilized for filtering purposes including filtering drilling fluid in a vibrating shaker. In a preferred embodiment, at least one screen is formed of a plurality of planar wires that are woven together with a plurality of wires, which may or may not also be planar to thereby reduce the friction forces produced by the so-constructed screen. The screen formed with planar wires may be used by itself or in conjunction with other screens to produce a screen assembly that is resistant to vibration damage. The screen formed with planar wires may also be utilized to provide improved filtration performance by itself or in combination with other screens by offering a more precise opening at the initial point of contact therefore improving the de-binding function of the screen.