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November 9, 2017
A gravel pack is simply a downhole filter designed to prevent the production of unwanted formation sand. The formation sand is held in place by properly sized gravel pack sand that, in turn, is held in place with a properly-sized […]
November 23, 2017
A pre-packed well screen consists of one screen telescoped inside another, with an annulus filled with filter pack at the factory before shipment. The pre-packed screen is designed especially for high capicity wells, these screens offer unique advantages over conventional […]
February 17, 2018
Materials of deep sand water well filter pipe deep well pre-packed filter pipe, sand control pre-packed wedge wire pipe Pre-packed screens can be fabricated in stainless steel 304, 316L, Low carbon steel or other special alloys like Monel 400. Materials are available for specific alloy as required. Gravel pre-packed wedge wire screen (Johnson type screens) are manufactured by a or v wedge shaped wire around […]
March 16, 2018
SS Vee-wire dewatering gravity screen sieve bend screen, also called Wedge wire curved screen , Gravity sieve screen , sieve bend screen, DSM screen, pressure curved sieve screen. It is a new type of high efficiency still screening equipment. They […]