发明名称 Collector device for drilling fluid
摘要 A collector device for collecting drilling fluid from a pipe during disconnecting of the pipe from a pipe string comprises a collecting space. At least a portion of the collecting space is provided with a porous material. In an active position, the collector device is configured to surround a pipe coupling of the pipe string.
申请公布号 US8733435(B2) 申请公布日期 2014.05.27
申请号 US20080664979 申请日期 2008.06.11
申请人 WEBB JONATHAN GARRICK;NATIONAL OILWELL NORWAY AS 发明人 WEBB JONATHAN GARRICK
分类号 E21B19/00 主分类号 E21B19/00
代理机构 代理人
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