发明名称 PROBE FOR ANALYSING AN ASSEMBLY OF RODS OR TUBES
摘要 The invention relates to a probe for analysing an assembly of rods including an elongate housing (1) supporting at a first end a permanent magnet (5), the north-south axis of which is parallel to the axis of the rods and, in a position sufficiently separated from said magnet, a set of magnetometers (7) for detecting axial, radial and tangential components of the magnetisation of the rods.
申请公布号 EP2661539(B1) 申请公布日期 2016.10.26
申请号 EP20120702586 申请日期 2012.01.05
申请人 GEO ENERGY;MOWAT, GORDON;MARTIN, JEAN-PIERRE 发明人 MARTIN, JEAN-PIERRE
分类号 E21B47/09;G01N27/82 主分类号 E21B47/09
代理机构 代理人
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