Run in cover for downhole expandable screen

Details Run in cover for downhole expandable screen Run in cover for downhole expandable screen

2005-08-23

2005-08-23

Dang, Hoang (Department: 3672)

Wells

Processes

Preventing flow into strainer while lowering by blocking...

C166S227000, C166S376000, C166S381000

Reexamination Certificate

active

06932159

ABSTRACT:
A screen to be expanded when placed downhole is disclosed. The screen is delivered to the location with a cover that blocks access to the screen from well fluids. Circulation or reverse circulation can be undertaken with no appreciable flow through the screen due to placement of the cover. In one embodiment the cover has slits that open to be diamond shapes upon expansion of the underlying screen. In another embodiment, the openings are created by shapes that have a weakened edge that, as a result of expansion break off to create available openings for flow.

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