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(A1) |
申请公布日期 |
2001.09.13 |
申请号 |
CA20012402342 |
申请日期 |
2001.03.12 |
申请人 |
DOWNHOLE PRODUCTS PLC |
发明人 |
NEWTON, BARRY;BARRON, WILLIAM;CLARK, ALISTAIR BERTRAM;KIRK, IAN ALASTAIR;RIMMER, ARRON |
分类号 |
E21B17/10;(IPC1-7):E21B17/10 |
主分类号 |
E21B17/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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