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Steel AZIP 0-0

Saltel Expandable Steel Annular Zonal Isolation Packer 0-0

 AZIP 0 0

Applications

  • Zonal Isolation Horizontal, deviated, and vertical open hole
  • Annulus integrity Vertical, deviated, or horizontal open hole

 Features

  • Robustness during RIH, can be worked in doglegs or tight spots
  • Seal effectively in oval, out of gauge or irregular borehole
  • Expansion on demand (no waiting time)

 

Saltel Steel AZIP 0-0 is based on proprietary expandable stainless steel technology. It is designed to achieve zonal isolation at high pressure during injection phases and moderate pressure in production phases.
The steel packer expandable sleeve is expanded between the casing and the borehole by applying pressure in the casing. It conforms to the real wellbore shape. Sealing with the borehole uneven surface is achieved through a patented thin layer of bonded elastomer.
The packer is built onto a one piece mandrel by Welding (AZIP-W) or Crimping (AZIP-C). There is no hidden internal connection. Both ends are fixed and serve as protection to the expandable sleeve while running in hole.
Both injection and collapse pressures are held by the packer expandable sleeve resistance. The packer features a valve system that provides safety in case the packer is set in front of a wash-out, but does not trap fluid in the packer. The system closes if the flow exceeds a predetermined value to reduce any risks of fluid communication.
Expansion of the packer simultaneously centralizes the casing inside the borehole.

Valve Description

Saltel AZIP 0-0 expansion port is equipped with a valve system. The valve is integrated within the casing thickness. Located under the expandable sleeve, the valve has a large flow area (42 mm²) and is fully protected during RIH.
Valve system provides safety if the packer is expanded in front of a wash-out. In the event of sleeve failure, the system closes the expansion port (non-permanently) if the flow across the valve exceeds 28 l/min (7.4GPM).

 

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