发明名称 CENTRALISER
摘要 A centraliser for use in centralising casing or other tubulars such as tubulars in an oil or gas well comprising an annular body with a bore extending through the body and one or more blades, the centraliser being adapted to fit around a tubular to be centralised, and comprising a tempered metal such as austemperised ductile iron (ADI).
申请公布号 CA2402342(C) 申请公布日期 2008.09.02
申请号 CA20012402342 申请日期 2001.03.12
申请人 DOWNHOLE PRODUCTS PLC 发明人 CLARK, ALISTAIR BERTRAM;NEWTON, BARRY;BARRON, WILLIAM;KIRK, IAN ALASTAIR;RIMMER, ARRON
分类号 E21B17/10 主分类号 E21B17/10
代理机构 代理人
主权项
地址