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公开(公告)号：US09103170B2
公开(公告)日：2015-08-11
申请号：US12122467
申请日：2008-05-16
CPC分类号： E21B10/46 , E21B10/54 , E21B10/602
摘要： A drill bit that includes a body having a lower end face for engaging a rock formation. The end face having a plurality of raised ribs extending from the face of the bit body and separated by a plurality of channels therebetween At least one of the plurality of ribs has a varying width along at least a portion of a rib height.
摘要翻译： 一种钻头，其包括具有用于接合岩层的下端面的主体。 所述端面具有从所述钻头体的所述表面延伸并且由多个通道隔开的多个凸肋。所述多个肋中的至少一个沿肋高度的至少一部分具有变化的宽度。
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公开(公告)号：US20090283334A1
公开(公告)日：2009-11-19
申请号：US12122467
申请日：2008-05-16
IPC分类号： E21B10/00
CPC分类号： E21B10/46 , E21B10/54 , E21B10/602
摘要： A drill bit that includes a body having a lower end face for engaging a rock formation, the end face having a plurality of raised ribs extending from the face of the bit body and separated by a plurality of channels therebetween; at least one of the plurality of ribs having a varying width along at least a portion of a rib height is disclosed.
摘要翻译： 一种钻头，包括具有用于接合岩层的下端面的主体，所述端面具有从所述钻头体的所述表面延伸并由其间的多个通道分开的多个凸肋; 公开了沿着肋高度的至少一部分具有变化宽度的多个肋中的至少一个。
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公开(公告)号：US08020640B2
公开(公告)日：2011-09-20
申请号：US12122526
申请日：2008-05-16
IPC分类号： E21B10/43
摘要： A drill bit that includes a body having a lower end face for engaging a rock formation is disclosed. The end face has a plurality of raised ribs extending from the face of the bit body and separated by a plurality of channels therebetween. At least one of the plurality of ribs has a leading portion and a trailing portion, the leading portion comprising a first matrix material impregnated with super abrasive particles and the trailing portion comprising a second matrix material impregnated with super abrasive particles, wherein the first and second matrix materials differ from each other.
摘要翻译： 公开了一种钻头，其包括具有用于接合岩层的下端面的主体。 端面具有从钻头体的表面延伸并由其间的多个通道隔开的多个凸肋。 所述多个肋中的至少一个具有引导部分和后部，所述引导部分包括浸渍有超级磨料颗粒的第一基体材料，所述后部部分包含浸渍有超磨料颗粒的第二基质材料，其中所述第一和第二 基质材料彼此不同。
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公开(公告)号：US09284788B2
公开(公告)日：2016-03-15
申请号：US13355825
申请日：2012-01-23
摘要： A drill bit that includes a body having a lower end face for engaging a rock formation, the end face having a plurality of raised ribs extending from the face of the bit body and separated by a plurality of channels therebetween; and at least one of the plurality of ribs having a cutting portion of the at least one rib comprising a first diamond impregnated matrix material and at least a portion of a gage surface region thereof comprising a second diamond impregnated matrix material, the gage surface region backed by a third matrix material is disclosed.
摘要翻译： 一种钻头，包括具有用于接合岩层的下端面的主体，所述端面具有从所述钻头体的所述表面延伸并由其间的多个通道分开的多个凸肋; 并且所述多个肋中的至少一个肋具有所述至少一个肋的切割部分，所述切割部分包括第一金刚石浸渍基质材料，并且其至少一部分表面区域包含第二金刚石浸渍基质材料，所述表面区域支撑 公开了第三种基质材料。
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公开(公告)号：US08590645B2
公开(公告)日：2013-11-26
申请号：US13221425
申请日：2011-08-30
IPC分类号： E21B10/43
摘要： A drill bit has a matrix bit body with a lower end face for engaging a rock formation, wherein the end face has a plurality of raised impregnated ribs extending from the face of the bit body and separated by a plurality of channels therebetween. At least one of the plurality of ribs has a leading or trailing portion thereof comprising the same the matrix material as the bit body forming a continuous body matrix.
摘要翻译： 钻头具有用于接合岩层的具有下端面的矩阵钻头体，其中端面具有从钻头体的表面延伸并由其间的多个通道分开的多个凸起的浸渍肋。 所述多个肋中的至少一个具有包括与所述钻头体形成连续体矩阵的基体材料相同的前部或后部。
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公开(公告)号：US20090120008A1
公开(公告)日：2009-05-14
申请号：US11937969
申请日：2007-11-09
IPC分类号： E21B10/55
CPC分类号： E21B10/46 , B22F1/025 , B22F2005/001 , B22F2005/005 , C09K3/1445 , C22C1/1036 , C22C26/00
摘要： An impregnated cutting structure that includes a plurality of first encapsulated particles, each first encapsulated particle comprising a first abrasive particle encapsulated by a first matrix material shell; and a plurality of second encapsulated particles, the second encapsulated particles comprising a second abrasive particle encapsulated by a second matrix material shell, wherein the first encapsulated particles and the second encapsulated particles have at least one property difference is disclosed.
摘要翻译： 一种浸渍切割结构，其包括多个第一包封颗粒，每个第一包封颗粒包含由第一基质材料壳包封的第一磨料颗粒; 和多个第二包封颗粒，所述第二包封颗粒包含由第二基质材料壳包封的第二磨料颗粒，其中所述第一包封颗粒和所述第二包封颗粒具有至少一个性质差异。
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7.发明申请公开(公告)号：US20120131855A1
公开(公告)日：2012-05-31
申请号：US13355825
申请日：2012-01-23
摘要： A drill bit that includes a body having a lower end face for engaging a rock formation, the end face having a plurality of raised ribs extending from the face of the bit body and separated by a plurality of channels therebetween; and at least one of the plurality of ribs having a cutting portion of the at least one rib comprising a first diamond impregnated matrix material and at least a portion of a gage surface region thereof comprising a second diamond impregnated matrix material, the gage surface region backed by a third matrix material is disclosed.
摘要翻译： 一种钻头，包括具有用于接合岩层的下端面的主体，所述端面具有从所述钻头体的所述表面延伸并由其间的多个通道分开的多个凸肋; 并且所述多个肋中的至少一个肋具有所述至少一个肋的切割部分，所述切割部分包括第一金刚石浸渍基质材料，并且其至少一部分表面区域包含第二金刚石浸渍基质材料，所述表面区域支撑 公开了第三种基质材料。
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公开(公告)号：US08100203B2
公开(公告)日：2012-01-24
申请号：US12121504
申请日：2008-05-15
IPC分类号： E21B10/36
摘要： A drill bit that includes a body having a lower end face for engaging a rock formation, the end face having a plurality of raised ribs extending from the face of the bit body and separated by a plurality of channels therebetween; and at least one of the plurality of ribs having a cutting portion of the at least one rib comprising a first diamond impregnated matrix material and at least a portion of a gage surface region thereof comprising a second diamond impregnated matrix material, the gage surface region backed by a third matrix material is disclosed.
摘要翻译： 一种钻头，包括具有用于接合岩层的下端面的主体，所述端面具有从所述钻头体的所述表面延伸并由其间的多个通道分开的多个凸肋; 并且所述多个肋中的至少一个肋具有所述至少一个肋的切割部分，所述切割部分包括第一金刚石浸渍基质材料，并且其至少一部分表面区域包含第二金刚石浸渍基质材料，所述表面区域支撑 公开了第三种基质材料。
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公开(公告)号：US20110308864A1
公开(公告)日：2011-12-22
申请号：US13221425
申请日：2011-08-30
IPC分类号： E21B10/36
摘要： A drill bit is disclosed that includes a matrix bit body having a lower end face for engaging a rock formation, the end face having a plurality of raised impregnated ribs extending from the face of the bit body and separated by a plurality of channels therebetween, and at least one of the plurality of ribs having a leading or trailing portion thereof comprising the same the matrix material as the bit body forming a continuous body matrix.
摘要翻译： 公开了一种钻头，其包括具有用于接合岩层的下端面的矩阵钻头体，所述端面具有从钻头体的表面延伸并由其间的多个通道隔开的多个凸起的浸渍肋，以及 所述多个肋中的至少一个具有前导部分或后部部分，其包括与所述钻头体形成连续体矩阵的基质材料相同的肋。
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10.发明申请公开(公告)号：US20090283336A1
公开(公告)日：2009-11-19
申请号：US12121504
申请日：2008-05-15
IPC分类号： E21B10/55
摘要： A drill bit that includes a body having a lower end face for engaging a rock formation, the end face having a plurality of raised ribs extending from the face of the bit body and separated by a plurality of channels therebetween; and at least one of the plurality of ribs having a cutting portion of the at least one rib comprising a first diamond impregnated matrix material and at least a portion of a gage surface region thereof comprising a second diamond impregnated matrix material, the gage surface region backed by a third matrix material is disclosed.
摘要翻译： 一种钻头，包括具有用于接合岩层的下端面的主体，所述端面具有从所述钻头体的所述表面延伸并由其间的多个通道分开的多个凸肋; 并且所述多个肋中的至少一个肋具有所述至少一个肋的切割部分，所述切割部分包括第一金刚石浸渍基质材料，并且其至少一部分表面区域包含第二金刚石浸渍基质材料，所述表面区域支撑 公开了第三种基质材料。
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