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, and a plurality of bow springs connecting the first body portion to the second body portion, and a plurality of limit collars coupled to the wellbore tubular between the first body portion and the second body portion, where at least one of the plurality of limit collars is configured to engage the first body portion or the second body portion and pull the centralizer in the direction of travel within the wellbore. |
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 |