发明名称 Inflatable packing element
摘要 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.
申请公布号 US5143154(A) 申请公布日期 1992.09.01
申请号 US19910766965 申请日期 1991.09.25
申请人 BAKER HUGHES INCORPORATED 发明人 MODY, RUSTOM K.;HALBARDIER, DECEASED, FLOYD A.
分类号 E21B33/127 主分类号 E21B33/127
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