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公开(公告)号:US20120160562A1
公开(公告)日:2012-06-28
申请号:US13333749
申请日:2011-12-21
申请人: Sharp Ugwuocha , Steven Rae
发明人: Sharp Ugwuocha , Steven Rae
CPC分类号: E21B10/42 , E21B10/627
摘要: An earth removal member with features for facilitating drill-through is provided for drilling with casing or liner applications. In one embodiment, the casing bit includes a tubular body; a nose attached to one end of the tubular body, wherein the nose includes a blade support and comprises a drillable material; a blade attached to the blade support using mating profiles; cutters disposed along the blade; and a nozzle disposed in the nose.
摘要翻译: 提供了具有便于钻孔的特征的除土构件,用于利用套管或衬套应用进行钻孔。 在一个实施例中,壳体钻头包括管状体; 鼻子,其附接到所述管状体的一端,其中所述鼻部包括刀片支撑件并且包括可钻孔材料; 使用配合轮廓连接到叶片支撑件的叶片; 沿着刀片设置的刀具; 和设置在鼻子中的喷嘴。
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公开(公告)号:US08960332B2
公开(公告)日:2015-02-24
申请号:US13333749
申请日:2011-12-21
申请人: Sharp Ugwuocha , Steven Rae
发明人: Sharp Ugwuocha , Steven Rae
IPC分类号: E21B7/00 , E21B10/633 , E21B10/42 , E21B10/627
CPC分类号: E21B10/42 , E21B10/627
摘要: An earth removal member with features for facilitating drill-through is provided for drilling with casing or liner applications. In one embodiment, the casing bit includes a tubular body; a nose attached to one end of the tubular body, wherein the nose includes a blade support and comprises a drillable material; a blade attached to the blade support using mating profiles; cutters disposed along the blade; and a nozzle disposed in the nose.
摘要翻译: 提供了具有便于钻孔的特征的除土构件,用于利用套管或衬套应用进行钻孔。 在一个实施例中,壳体钻头包括管状体; 鼻子,其附接到所述管状体的一端,其中所述鼻部包括刀片支撑件并且包括可钻孔材料; 使用配合轮廓连接到刀片支撑件的刀片; 沿着刀片设置的刀具; 和设置在鼻子中的喷嘴。
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