Perforated Liners

The perforating of liners are done with laser cutting process without contact operation. This process can effectively avoid undesirable factors which will cause the deformation of the base pipe. Laser cutting process uses windows interface for easy operation and accurate calculation.

Perforated liner geometry consists of stamped length, stamped width, line density and perforating distribution. All these parameters can be bespoken to achieve the required open area. For example, multiple staggered pattern or gang pattern significantly increases the open area compared with single cut pattern.

Staggered perforated liner, single line patterns

Three stamped liner patterns -straight, staggered and gang - are supplied. Each has its own characteristics.

Straight line pattern	Staggered pattern	Gang pattern

Perforated Liner Geometry
Stamped line shapes are classified into two types: straight cut slot and keystone slot. Compared with straight slot, keystone slot has higher resistance against plugging for its inter size is larger than the surface size. Once the sand entering the keystone slot, the possibility of clogging will dro sharply.

Straight cut line	Keystone slot

Features:
Moderate cost
Ease of installation
Sufficient operation load
Non-plugging
Laser cutting process

Product specification