发明名称 Tool for extracting an object engaged in a fluid exploitation pipe, extraction device and related method.
摘要 <p>The tool includes a bearing member (70), a traction assembly (72) of the object (28), movably mounted in a first direction relative to the bearing member (70). It includes a plurality of hooking members (160), mounted radially mobile relative to the traction assembly (72) between a contracted configuration and a deployed configuration. The tool comprises means (164; 166) for keeping each hooking member (160) in its deployed configuration. It includes unlocking means (168; 170) that include an elastic stressing member (202; 222) applied on the holding means (164; 166). The elastic stressing member (202; 222) is capable of being compressed to cause the unlocking of the holding means (164; 166) and the passage of the hooking members (160) from their deployed configuration to their contracted configuration.</p>
申请公布号 EP2469014(A1) 申请公布日期 2012.06.27
申请号 EP20100306468 申请日期 2010.12.21
申请人 GEOSERVICES EQUIPEMENTS 发明人 LE BRIERE, BRUNO;MICHAUD, CHRISTOPHE
分类号 E21B23/00;E21B31/20 主分类号 E21B23/00
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