发明名称 PULL THROUGH CENTRALIZER
摘要 A centralizer system comprising a centralizer disposed about a wellbore tubular, wherein the centralizer comprises, a first body portion, a second body portion, a plurality of bow springs connecting the first body portion to the second body portion, and at least one window disposed in the first body portion, and a retaining portion disposed in the at least one window, wherein the retaining portion is configured to provide a substantially fixed engagement between the first body portion and the wellbore tubular.
申请公布号 CA2871662(A1) 申请公布日期 2013.12.12
申请号 CA20132871662 申请日期 2013.05.08
申请人 HALLIBURTON ENERGY SERVICES, INC.;CHEVRON U.S.A., INC. 发明人 LEVIE, WILLIAM IAIN ELDER;ROGER, GREGORY PAUL;SWEEP, MILES NORMAN
分类号 E21B17/10 主分类号 E21B17/10
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