Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...
Patent
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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Halbardier, deceased Floyd A.
Mody Rustom K.
Baker Hughes Incorporated
Hunn Melvin A.
Melius Terry Lee
LandOfFree
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