发明名称 |
INTEGRAL CENTRALISER |
摘要 |
<p>A method of providing at least one projection (4) on a tubular body (1) of the type required by the oil and gas industry for use in recovery of and transporting of crude oil or gas, namely oil-country-tubular goods (OCTG), said projection (4) having a predetermined form such as a blade, ribbing, or the like stand-off projection, by providing materials capable of being moulded, applying a mould to a tubular (OCTG) body, and moulding said materials using said mould onto said tubular body (1).</p> |
申请公布号 |
WO2004015238(A1) |
申请公布日期 |
2004.02.19 |
申请号 |
WO2002IT00536 |
申请日期 |
2002.08.12 |
申请人 |
ENI S.P.A.;BAYNHAM, RICHARD, RONALD;LEVIE, DAVID;BARYSHNIKOV, ANATOLY |
发明人 |
BAYNHAM, RICHARD, RONALD;LEVIE, DAVID;BARYSHNIKOV, ANATOLY |
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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