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1. 发明公开

EP2909416A1 DOWNHOLE BLADELESS GENERATOR 审中-公开
标题翻译：井下无线电发电机
公开(公告)号：EP2909416A1
公开(公告)日：2015-08-26
申请号：EP12891096.5
申请日：2012-12-28
申请人： Halliburton Energy Services, Inc.
发明人： DOWNING, Andrew, James
IPC分类号： E21B4/00
CPC分类号： H02K7/1823 , E21B41/0085
摘要： Disclosed embodiments include a bladeless generator carried by drilling string and disposed to employ mud flow through the drill string or return flow along the exterior of the drill string to drive the bladeless generator utilizing the boundary layer effect of fluid flow across a plurality of disks to generate electricity. The bladeless generator can be spaced apart from the primary flow path so as not to significantly disrupt flow therethrough. A portion of the primary flow path is diverted with flow channels or apertures to direct the diverted portion of the flow tangentially across a portion of the edges of the disks. The bladeless generator can be utilized to power electric downhole equipment, such as monitoring equipment or directional drilling steering equipment.
摘要翻译：所公开的实施例包括由无钻探工具承载的无刀片发电机，所述无刀片发电机由钻柱提供并且设置成采用通过钻柱的泥浆流或沿着钻柱的外部回流以利用跨越多个圆盘的流体流动的边界层效应驱动无叶片发电机以产生电力。无叶片发电机可以与主流动路径间隔开，从而不会显着中断通过其中的流动。主流动路径的一部分被流动通道或孔口转向，以将流动的转向部分切向地引导穿过盘片的一部分边缘。无叶片发电机可用于为井下电力设备供电，如监控设备或定向钻井转向设备。

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