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41. 发明申请

US20080053651A1 Wellbore cleanup tool 有权
标题翻译：井筒清理工具
公开(公告)号：US20080053651A1
公开(公告)日：2008-03-06
申请号：US11513997
申请日：2006-08-31
申请人： Gregory L. Hern
发明人： Gregory L. Hern
IPC分类号： E21B37/00
CPC分类号： E21B37/00 , E21B27/005
摘要： A wellbore cleanup tool features a flow diverter that comprises a series of bristles mounted on a sleeve that slides on a spiral track on a mandrel. For run in the sleeve is in an upper position with respect to the mandrel and allows flow around the outside of the screen and through passages defined between the sleeve and the mandrel. When coming out of the hole, the sleeve shifts down and the bristles block flow through themselves so as to direct the debris laden fluid under the sleeve that now rests on top of the screen. The defined flow path is under the sleeve and behind the screen leaving the debris trapped and allowing the fluid to pass through the screen without the debris.
摘要翻译：井筒清理工具具有流量分流器，其包括安装在套筒上的一系列刷毛，其在心轴上的螺旋轨道上滑动。为了在套筒中运行处于相对于心轴的上部位置，并允许流过筛网的外部并且通过限定在套筒和心轴之间的通道流动。当从孔中出来时，套筒向下移动，刷毛阻挡自身流动，以便将现在放置在屏幕顶部的套筒下方的碎屑引导到套筒下面。限定的流动路径位于套筒之下，在屏幕的后面，留下残留的碎屑，并允许流体通过筛网而没有碎片。

42. 发明授权

US4832135A Flow through raise boring bit 失效
标题翻译：流过镗钻头
公开(公告)号：US4832135A
公开(公告)日：1989-05-23
申请号：US162170
申请日：1988-02-29
申请人： Howard J. Walk , Gregory L. Hern
发明人： Howard J. Walk , Gregory L. Hern
IPC分类号： E21B7/28 , E21B10/10 , E21B10/28 , E21B10/30 , E21B17/10
CPC分类号： E21B17/1057 , E21B10/10 , E21B10/28 , E21B10/30 , E21B7/28
摘要： An improved raise boring bit to enhance cuttings removal and prevent accumulation of cuttings on the body of the bit, which utilizes a pair of radial rails and a plate connected with and strengthening the rails while defining an opening for the flow of cuttings beside the stem and the radial rails during boring. Cutter mounting means are disposed at intervals along the radial rails to permit the flow of cuttings between the rails and the mounting means. At least one wing extends radially from the plate for supporting additional cutters, a vertical stabilizer roller is mounted on the end of the wing and struts extend between adjacent sides of the wings for stability and support.
摘要翻译：一种改进的提升钻头，以增强切屑移除并防止切屑在钻头体上的积聚，其利用一对径向轨道和连接并加强轨道的板，同时为杆旁边的切屑流动限定开口; 镗孔时的径向轨道。切割器安装装置沿着径向轨道间隔设置，以允许轨道和安装装置之间的切屑流动。至少一个机翼从板径向延伸，用于支撑附加的切割器，垂直的稳定辊安装在翼的端部上，并且支柱在翼的相邻侧面之间延伸，以便稳定和支撑。

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