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公开(公告)号：US20090107730A1
公开(公告)日：2009-04-30
申请号：US12260245
申请日：2008-10-29
IPC分类号： E21B10/00
摘要： A drill bit having a bit body includes a blade face surface on at least one blade extending longitudinally and radially outward over a face of the bit body. The blade face surface of the at least one blade includes a contact zone and a sweep zone. The sweep zone rotationally trails the contact zone with respect to a direction of intended bit rotation about a longitudinal axis of the bit body provides reduce rubbing contact when engaging with a subterranean formation.
摘要翻译： 具有钻头体的钻头包括在钻头体的表面上纵向和径向向外延伸的至少一个刀片上的刀片表面。 所述至少一个叶片的叶片表面包括接触区域和扫掠区域。 扫掠区域相对于围绕钻头体的纵向轴线的预期钻头旋转的方向旋转地接触接触区域，并且当与地下地层接合时提供减少的摩擦接触。
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公开(公告)号：US07836979B2
公开(公告)日：2010-11-23
申请号：US12260245
申请日：2008-10-29
摘要： A drill bit having a bit body includes a blade face surface on at least one blade extending longitudinally and radially outward over a face of the bit body. The blade face surface of the at least one blade includes a contact zone and a sweep zone. The sweep zone rotationally trails the contact zone with respect to a direction of intended bit rotation about a longitudinal axis of the bit body provides reduce rubbing contact when engaging with a subterranean formation.
摘要翻译： 具有钻头体的钻头包括在钻头体的表面上纵向和径向向外延伸的至少一个刀片上的刀片表面。 所述至少一个叶片的叶片表面包括接触区域和扫掠区域。 扫掠区域相对于围绕钻头体的纵向轴线的预期钻头旋转的方向旋转地接触接触区域，并且当与地下地层接合时提供减少的摩擦接触。
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3.发明授权Methods for applying wear-resistant material to exterior surfaces of earth-boring tools and resulting structures 有权将耐磨材料应用于镗孔工具和结构结构的外表面的方法公开(公告)号：US08104550B2
公开(公告)日：2012-01-31
申请号：US11864482
申请日：2007-09-28
申请人： James L. Overstreet , Michael L. Doster , Mark E. Morris , Kenneth E. Gilmore , Robert M. Welch , Danielle V. Roberts
发明人： James L. Overstreet , Michael L. Doster , Mark E. Morris , Kenneth E. Gilmore , Robert M. Welch , Danielle V. Roberts
IPC分类号： E21B10/36
摘要： Earth-boring tools include wear-resistant materials disposed in at least one recess formed in an exterior surface of a body thereof. Exposed surfaces of the wear-resistant material are substantially level with exterior surfaces of the body adjacent the wear-resistant material. In some embodiments, recesses may be formed in formation-engaging surfaces of blades of earth-boring rotary tools, adjacent one or more inserts secured to bodies of earth-boring tools, or adjacent one or more cutting elements secured to bodies of earth-boring tools. Methods of forming earth-boring tools include filling one or more recesses formed in an exterior surface of a body with wear-resistant material and causing exposed surfaces of the wear-resistant material to be substantially level with the exterior surface of the body.
摘要翻译： 钻孔工具包括设置在形成在其本体的外表面中的至少一个凹部中的耐磨材料。 耐磨材料的露出表面与身体的与耐磨材料相邻的外表面基本平齐。 在一些实施例中，凹槽可以形成在钻孔旋转工具的叶片的形成接合表面中，邻近一个或多个插入件固定到钻孔工具的主体，或邻近的一个或多个切割元件固定到镗孔体 工具 形成钻孔工具的方法包括用耐磨材料填充形成在主体的外表面中的一个或多个凹部，并使耐磨材料的暴露表面与主体的外表面基本平齐。
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公开(公告)号：US20100012392A1
公开(公告)日：2010-01-21
申请号：US12566922
申请日：2009-09-25
申请人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
发明人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
IPC分类号： E21B10/42
摘要： A shank configuration for rotary drill bits is disclosed for positioning of the shank in relation to the bit body. A tapered surface or feature of the shank may be configured and sized to matingly engage a complementarily shaped surface or feature of the drill bit body and thereby become centered or positioned in relation thereto. A deformable element may be disposed between the shank and bit body. Also, the shank may comprise a material having a carbon equivalent of less than about 0.35%. A multi-pass weld procedure may be employed to affix the shank and bit body to one another wherein welds may be formed so that one weld originates at a circumferential position that differs from the origination circumferential position of its immediately preceding weld by at least about 90°. Further, a stress state may be developed within the multi-pass weld. A method of manufacture is also disclosed.
摘要翻译： 公开了一种用于旋转钻头的柄构造，用于相对于钻头体定位柄。 柄的锥形表面或特征可以被构造和定尺寸成匹配地接合钻头体的互补成形的表面或特征，从而相对于钻头体中心或定位。 可变形元件可以设置在柄和钻头体之间。 另外，柄可以包含碳当量小于约0.35％的材料。 可以采用多通焊接方法将柄和钻头体彼此固定，其中可以形成焊缝，使得一个焊缝起始于不同于其紧接在前的焊缝的起始圆周位置的周向位置至少约90° °。 此外，可以在多遍焊缝内形成应力状态。 还公开了一种制造方法。
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公开(公告)号：US07861806B2
公开(公告)日：2011-01-04
申请号：US12566922
申请日：2009-09-25
申请人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
发明人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
IPC分类号： E21B10/36
摘要： A shank configuration for rotary drill bits is disclosed for positioning of the shank in relation to a bit body. A tapered surface or feature of the shank may be configured and sized to matingly engage a complementarily shaped surface or feature of the drill bit body and thereby become centered or positioned in relation thereto. A deformable element may be disposed between the shank and bit body. Also, the shank may comprise a material having a carbon equivalent of less than about 0.35%. A multi-pass weld procedure may be employed to affix the shank and bit body to one another wherein welds may be formed so that one weld originates at a circumferential position that differs from the origination circumferential position of its immediately preceding weld by at least about 90°. Further, a stress state may be developed within the multi-pass weld. A method of manufacture is also disclosed.
摘要翻译： 公开了一种用于旋转钻头的柄构造，用于相对于钻头体定位柄。 柄的锥形表面或特征可以被构造和定尺寸成匹配地接合钻头体的互补成形的表面或特征，从而相对于钻头体中心或定位。 可变形元件可以设置在柄和钻头体之间。 另外，柄可以包含碳当量小于约0.35％的材料。 可以采用多通焊接方法将柄和钻头体彼此固定，其中可以形成焊缝，使得一个焊缝起始于不同于其紧接在前的焊缝的起始圆周位置的周向位置至少约90° °。 此外，可以在多遍焊缝内形成应力状态。 还公开了一种制造方法。
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公开(公告)号：US07594454B2
公开(公告)日：2009-09-29
申请号：US11947613
申请日：2007-11-29
申请人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
发明人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
摘要： A shank configuration for rotary drill bits is disclosed for positioning of the shank in relation to the bit body. A tapered surface or feature of the shank may be configured and sized to matingly engage a complementarily shaped surface or feature of the drill bit body and thereby become centered or positioned in relation thereto. A deformable element may be disposed between the shank and bit body. Also, the shank may comprise a material having a carbon equivalent of less than about 0.35%. A multi-pass weld procedure may be employed to affix the shank and bit body to one another wherein welds may be formed so that one weld originates at a circumferential position that differs from the origination circumferential position of its immediately preceding weld by at least about 90°. Further, a stress state may be developed within the multi-pass weld. A method of manufacture is also disclosed.
摘要翻译： 公开了一种用于旋转钻头的柄构造，用于相对于钻头体定位柄。 柄的锥形表面或特征可以被构造和定尺寸成匹配地接合钻头体的互补成形的表面或特征，从而相对于钻头体中心或定位。 可变形元件可以设置在柄和钻头体之间。 另外，柄可以包含碳当量小于约0.35％的材料。 可以采用多通焊接方法将柄和钻头体彼此固定，其中可以形成焊缝，使得一个焊缝起始于不同于其紧接在前的焊缝的起始圆周位置的周向位置至少约90° °。 此外，可以在多遍焊缝内形成应力状态。 还公开了一种制造方法。
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公开(公告)号：US07600589B2
公开(公告)日：2009-10-13
申请号：US11947624
申请日：2007-11-29
申请人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
发明人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
IPC分类号： E21B10/36
摘要： A shank configuration for rotary drill bits, is disclosed for positioning of the shank in relation to the bit body. A tapered surface or feature of the shank may be configured and sized to matingly engage a complementarily shaped surface or feature of the drill bit body and thereby become centered or positioned in relation thereto. A deformable element may be disposed between the shank and bit body. Also, the shank may comprise a material having a carbon equivalent of less than about 0.35%. A multi-pass weld procedure may be employed to affix the shank and bit body to one another wherein welds may be formed so that one weld originates at a circumferential position that differs from the origination circumferential position of its immediately preceding weld by at least about 90%. Further, a stress state may be developed within the multi-pass weld. A method of manufacture is also disclosed.
摘要翻译： 公开了一种用于旋转钻头的柄构造，用于相对于钻头体定位柄。 柄的锥形表面或特征可以被构造和定尺寸成匹配地接合钻头体的互补成形的表面或特征，从而相对于钻头体中心或定位。 可变形元件可以设置在柄和钻头体之间。 另外，柄部可以包含碳当量小于约0.35％的材料。 可以采用多通焊接方法将柄和钻头体彼此固定，其中可以形成焊缝，使得一个焊缝起始于不同于其紧接在前的焊缝的起始圆周位置的周向位置至少约90° ％。 此外，可以在多遍焊缝内形成应力状态。 还公开了一种制造方法。
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8.发明授权Rotary drill bit shank, rotary drill bits so equipped, and methods of manufacture 有权旋转钻头柄，旋转钻头如此配备，以及制造方法公开(公告)号：US07472764B2
公开(公告)日：2009-01-06
申请号：US11090932
申请日：2005-03-25
申请人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
发明人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
IPC分类号： E21B10/36
摘要： A shank configuration for rotary drill bits is disclosed for positioning of the shank in relation to the bit body. A tapered surface or feature of the shank may be configured and sized to matingly engage a complementarily shaped surface or feature of the drill bit body and thereby become centered or positioned in relation thereto. A deformable element may be disposed between the shank and bit body. Also, the shank may comprise a material having a carbon equivalent of less than about 0.35%. A multi-pass weld procedure may be employed to affix the shank and bit body to one another wherein welds may be formed so that one weld originates at a circumferential position that differs from the origination circumferential position of its immediately preceding weld by at least about 90°. Further, a stress state may be developed within the multi-pass weld. A method of manufacture is also disclosed.
摘要翻译： 公开了一种用于旋转钻头的柄构造，用于相对于钻头体定位柄。 柄的锥形表面或特征可以被构造和定尺寸成匹配地接合钻头体的互补成形的表面或特征，从而相对于钻头体中心或定位。 可变形元件可以设置在柄和钻头体之间。 另外，柄可以包含碳当量小于约0.35％的材料。 可以采用多通焊接方法将柄和钻头体彼此固定，其中可以形成焊缝，使得一个焊缝起始于不同于其紧接在前的焊缝的起始圆周位置的周向位置至少约90° °。 此外，可以在多遍焊缝内形成应力状态。 还公开了一种制造方法。
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