发明名称 COMPOSITE BOW CENTRALIZER
摘要 A method comprising providing a centralizer disposed about a wellbore tubular, wherein the centralizer comprises a first collar, a second collar, a plurality of bow springs coupling the first collar to the second collar, and a plurality of particulates disposed on an outer surface of at least one bow spring, wherein one or more of the first collar, the second collar, and the bow springs comprise a composite material, and placing the wellbore tubular in a wellbore disposed in a subterranean formation. A method comprising providing a centralizer disposed about a wellbore tubular, wherein the wellbore tubular comprises a stop collar, a protrusion, or an upset on either end of the centralizer, and wherein the centralizer comprises three or more collars, a plurality of bow springs comprising a plurality of portions of bow springs, wherein each portion of bow springs couples two adjacent collars, and wherein one or more of the collars and the bow springs comprise a composite material, and placing the wellbore tubular in a wellbore disposed in a subterranean formation.
申请公布号 CA2824118(A1) 申请公布日期 2012.08.02
申请号 CA20122824118 申请日期 2012.01.24
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 LIVELY, GLENN;LEVIE, DAVID;MUELLER, DIETMAR;WEBER, THORSTEN
分类号 E21B17/10 主分类号 E21B17/10
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