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Drag bit with utility blades

机译:带有工具刀片的风批头

摘要

A drill bit may have a bit body, a plurality of cutting blades extending radially from the bit body and having cutting elements disposed thereon, the plurality of cutting blades forming a cutting blade gage pad diameter configured to contact a formation, and a plurality of raised volumes of material extending from the bit body and devoid of cutting elements, the plurality of raised volumes of material forming a gage pad diameter configured to contact the formation, wherein the plurality of cutting blades and the plurality of raised volume of material are circumferentially spaced having fluid courses that extend therebetween.
机译:钻头可具有钻头本体,从钻头本体径向延伸并且在其上布置有切割元件的多个切割刀片,所述多个切割刀片形成被构造成接触地层的切割刀片量具垫直径,并且多个凸起从钻头主体延伸且没有切削元件的一定体积的材料,多个上升体积的材料形成构造成与地层接触的量规垫直径,其中多个切削刀片和多个上升体积的材料在圆周方向上间隔开,在其间延伸的流体路线。

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