发明名称 A VALVE FOR A FILL UP TOOL
摘要 <p>The present invention generally relates to a valve for use in an oilfield tool. The valve includes a valve body (140) and a valve member (100) dispose d in the valve body. The valve member is movable between an open and closed position. The valve member includes an aperture therethrough. The valve further includes a pressure relief member (105) disposed in the aperture, whereby at a predetermined pressure the pressure relief member will permit fluid communication. In another aspect, the invention provides an apparatus and a method for introducing fluid into a tubular.</p>
申请公布号 CA2489300(C) 申请公布日期 2007.12.18
申请号 CA20032489300 申请日期 2003.06.23
申请人 WEATHERFORD/LAMB, INC. 发明人 BOUTWELL, DOYLE F., JR.;FOURNIER, STEVE W., JR.
分类号 E21B21/10;E21B34/06 主分类号 E21B21/10
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