发明名称 |
COMPOSITE BOW CENTRALIZER |
摘要 |
A 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. One or more of the first collar, the second collar, and the bow springs comprises a composite material. In some embodiments, the centralizer comprises a third collar, wherein the plurality of bow springs comprise a first portion of bow springs and a second portion of bow springs, and wherein the first portion of the bow springs couple the first collar to the third collar and the second portion of the bow springs couple the second collar to the third collar. |
申请公布号 |
WO2012101402(A2) |
申请公布日期 |
2012.08.02 |
申请号 |
WO2012GB00067 |
申请日期 |
2012.01.24 |
申请人 |
HALLIBURTON ENERGY SERVICES INC.;LIVELY, GLENN;LEVIE, DAVID;MUELLER, DIETMAR;WEBER, THORSTEN;TURNER, CRAIG ROBERT |
发明人 |
LIVELY, GLENN;LEVIE, DAVID;MUELLER, DIETMAR;WEBER, THORSTEN |
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