Methods of fabricating a thin-wall expandable well screen...

Details Methods of fabricating a thin-wall expandable well screen... Methods of fabricating a thin-wall expandable well screen...

2005-09-13

2005-09-13

Omgba, Essama (Department: 3726)

Metal working

Method of mechanical manufacture

Multiperforated metal article making

C029S896610, C029S469000, C166S227000, C166S233000, C166S380000

Reexamination Certificate

active

06941652

ABSTRACT:
An expandable well screen has a desirable thin-wall construction together with a simplified fabrication method. In fabricating the screen, a flexible sheet of metal mesh filter media is diffusion bonded to an inner side of a perforated metal sheet which is then deformed to a tubular shape to form a filter structure having an outer perforated tubular shroud interiorly lined with the filter media. The tubular filter structure is telescoped onto a perforated base pipe and has its opposite ends sealingly secured thereto to complete the expandable well screen.

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