发明名称 IMPROVED CENTRALISER
摘要 <p>A centraliser (10) for centralising a tubular (12) within a conduit is described. The centraliser comprises a centraliser body, at least one finger (14) pivotally mounted to the body and at least one collar (20), the/each collar being moveable with respect to the at least one finger. Relative movement between the/each collar and the body pivots the at least one finger from a run-in configuration to an extended configuration.</p>
申请公布号 WO2009115802(A1) 申请公布日期 2009.09.24
申请号 WO2009GB00730 申请日期 2009.03.18
申请人 PETROWELL LTD;REID, STEVE 发明人 REID, STEVE
分类号 E21B17/10 主分类号 E21B17/10
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