Pre-packed screen is packed with resin beads.

Pre-packed screen used as stand-alone screen Pre-packed screen provide excellence service of sand control in oil,

gas and water wells for its unique construction. Pre-packed screen is a modification of pipe-based wire wrapped screen.

Its addition of a modular gravel pack makes it

especially suitable for sand control where conventional gravel packing fails.

1.Layer:Two
2.Minimum slot:0.1mm
3.Standard length:1-6meters
4.Another name:gravel pack screen pipe
5.Screen jacket: Johnson screen
6.Screen Packing tower is equipped with high -intensity shaker to ensure filter media is tightly packed for optimal sand control

Pre-packed screen is comprised of six parts (from outer to inner) – outer screen, outer support rod, pre-packed gravel,

inner screen, inner support rods and base pipe. This is a typical model of dual-screen prepack which features double wire wrapped screens.

The perforated base pipe is covered by inner wire wrapped jacket, whose diameter is smaller than the outer jacket.

Between the two layers of jackets, an annular void is packed with silica sand with the appropriate size.

The sand is coated by resin or ceramic beads. The gauge of the jacket wire is determined by the packed sand,

while the size of the sand is determined by the formulation particle size distribution.




If  interested,pls contact:
Cynthia
Skype:aldfilters
Email:sales03@xxldlq.com
QQ:2537575135
Mob:86-15637366455(whatsapp,viber,wechat)
Web:http://www.chinawaterwellscreen.com/