Inflatable packing element

Details Inflatable packing element Inflatable packing element

1991-09-25

1992-09-01

Melius, Terry Lee

Wells

Packers or plugs

Expanded by confined fluid from central chamber, pump or...

166192, 277 34, E21B 33127

Patent

active

051431548

ABSTRACT:
An inflatable packing element for an inflatable packer or bridge plug utilized in subterranean wells comprises a tubular elastomeric sleeve which is surrounded by a plurality of circumferentially overlapping flexible metal ribs. The opposite ends of the ribs are respectively welded to an external surface provided on a force transmitting sleeve. The sleeve is provided with a shoulder having an abutting relationship with an internally projecting shoulder provided on the tubular mounting structure for the inflatable element.

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