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1. 发明申请

US20150204142A1 ROTARY DRILL BITS COMPRISING MARAGING STEEL AND METHODS OF FORMING SUCH DRILL BITS 审中-公开
标题翻译：包含标记钢的旋转钻头和形成这种钻头的方法
公开(公告)号：US20150204142A1
公开(公告)日：2015-07-23
申请号：US14674115
申请日：2015-03-31
申请人： Baker Hughes Incorporated
发明人： Xiaomin Chris Cheng , Eric C. Sullivan , Tu Tien Trinh
IPC分类号： E21B10/55 , C21D1/18 , C21D9/22 , C22C38/08 , B22D19/00 , C22C38/14 , C22C38/12 , C22C38/10 , E21B10/42 , B22D13/02
CPC分类号： E21B10/55 , B22D13/00 , B22D13/02 , B22D13/04 , B22D19/00 , B22D19/06 , B22D19/16 , B22D25/02 , C21D1/18 , C21D6/001 , C21D9/22 , C21D2211/004 , C21D2211/008 , C22C38/08 , C22C38/105 , C22C38/12 , C22C38/14 , E21B10/00 , E21B10/36 , E21B10/42 , Y02P10/122
摘要： A method of forming an earth-boring tool includes introducing metal into a die, rotating the die to generate centrifugal forces on the metal, and cooling the metal in the rotating die. A rotary drill bit may include a unitary, centrifugally cast bit body including an integral shank, at least one blade, and at least one cutting element on the blade. A rotary drill bit or a roller cone may include a first centrifugally cast material and a second centrifugally cast material. Another rotary drill bit includes a bit body comprising a maraging steel alloy. A method of forming a rotary drill bit may include disposing cutting elements on a rotary drill bit comprising maraging steel and aging the rotary drill bit to form at least one intermetallic precipitate phase. Methods of repairing a rotary drill bit include annealing and aging at least a portion of a rotary drill bit.
摘要翻译：形成钻孔工具的方法包括将金属引入模具中，旋转模具以在金属上产生离心力，并且冷却旋转模具中的金属。旋转钻头可以包括整体的离心铸造钻头体，其包括整体的柄，至少一个刀片和刀片上的至少一个切割元件。旋转钻头或辊锥可以包括第一离心铸造材料和第二离心铸造材料。另一个旋转钻头包括一个包含马氏体时效钢合金的钻头体。形成旋转钻头的方法可以包括将切割元件设置在包括马氏体化钢的旋转钻头上并使旋转钻头老化以形成至少一个金属间沉淀相。修复旋转钻头的方法包括退火和老化旋转钻头的至少一部分。

2. 发明授权

US09963940B2 Rotary drill bits comprising maraging steel and methods of forming such drill bits 有权
公开(公告)号：US09963940B2
公开(公告)日：2018-05-08
申请号：US14674115
申请日：2015-03-31
申请人： Baker Hughes Incorporated
发明人： Xiaomin Chris Cheng , Eric C. Sullivan , Tu Tien Trinh
IPC分类号： E21B10/42 , E21B10/55 , B22D13/00 , B22D19/16 , B22D25/02 , C21D9/22 , E21B10/00 , E21B10/36 , C21D6/00 , C22C38/10 , C22C38/12 , B22D13/02 , B22D19/00 , C21D1/18 , C22C38/08 , C22C38/14 , B22D13/04 , B22D19/06
CPC分类号： E21B10/55 , B22D13/00 , B22D13/02 , B22D13/04 , B22D19/00 , B22D19/06 , B22D19/16 , B22D25/02 , C21D1/18 , C21D6/001 , C21D9/22 , C21D2211/004 , C21D2211/008 , C22C38/08 , C22C38/105 , C22C38/12 , C22C38/14 , E21B10/00 , E21B10/36 , E21B10/42 , Y02P10/122
摘要： A method of forming an earth-boring tool includes introducing metal into a die, rotating the die to generate centrifugal forces on the metal, and cooling the metal in the rotating die. A rotary drill bit may include a unitary, centrifugally cast bit body including an integral shank, at least one blade, and at least one cutting element on the blade. A rotary drill bit or a roller cone may include a first centrifugally cast material and a second centrifugally cast material. Another rotary drill bit includes a bit body comprising a maraging steel alloy. A method of forming a rotary drill bit may include disposing cutting elements on a rotary drill bit comprising maraging steel and aging the rotary drill bit to form at least one intermetallic precipitate phase. Methods of repairing a rotary drill bit include annealing and aging at least a portion of a rotary drill bit.

3. 发明授权

US09739093B2 Cutting elements comprising sensors, earth-boring tools having such sensors, and associated methods 有权
公开(公告)号：US09739093B2
公开(公告)日：2017-08-22
申请号：US14865835
申请日：2015-09-25
申请人： Baker Hughes Incorporated
发明人： Tu Tien Trinh , Eric C. Sullivan , Xiaomin C. Cheng
IPC分类号： E21B10/00 , E21B47/00 , E21B10/43 , E21B10/567
CPC分类号： E21B10/00 , E21B10/43 , E21B10/567 , E21B47/00 , Y10T29/49826
摘要： A cutting element for an earth-boring tool includes a body having a longitudinal axis, a generally planar volume of hard material carried by the body, and a sensor affixed to the body. The sensor may be configured to sense at least one of stress and strain. An earth-boring tool includes a cutting element disposed at least partially within a pocket of a body. Methods of forming cutting elements comprise securing a generally planar volume of hard material to a body, attaching a sensor to the body, and configuring the sensor. Methods of forming earth-boring tools comprise forming a cutting element and securing the cutting element within a recess in a body of the earth-boring tool. Methods of forming wellbores comprise rotating an earth-boring tool comprising a cutting element and measuring at least one of stress and strain.

4. 发明申请

US20160010395A1 CUTTING ELEMENTS COMPRISING SENSORS, EARTH-BORING TOOLS HAVING SUCH SENSORS, AND ASSOCIATED METHODS 有权
标题翻译：包含传感器的切割元件，具有这种传感器的接地工具以及相关方法
公开(公告)号：US20160010395A1
公开(公告)日：2016-01-14
申请号：US14865835
申请日：2015-09-25
申请人： Baker Hughes Incorporated
发明人： Tu Tien Trinh , Eric C. Sullivan , Xiaomin C. Cheng
IPC分类号： E21B10/00 , E21B47/00 , E21B10/567
CPC分类号： E21B10/00 , E21B10/43 , E21B10/567 , E21B47/00 , Y10T29/49826
摘要： A cutting element for an earth-boring tool includes a body having a longitudinal axis, a generally planar volume of hard material carried by the body, and a sensor affixed to the body. The sensor may be configured to sense at least one of stress and strain. An earth-boring tool includes a cutting element disposed at least partially within a pocket of a body. Methods of forming cutting elements comprise securing a generally planar volume of hard material to a body, attaching a sensor to the body, and configuring the sensor. Methods of forming earth-boring tools comprise forming a cutting element and securing the cutting element within a recess in a body of the earth-boring tool. Methods of forming wellbores comprise rotating an earth-boring tool comprising a cutting element and measuring at least one of stress and strain.
摘要翻译：用于钻孔工具的切割元件包括具有纵向轴线的主体，由主体承载的大体平坦的硬质材料体积，以及固定到主体上的传感器。传感器可以被配置成感测应力和应变中的至少一个。一种钻孔工具包括至少部分地设置在主体的口袋内的切割元件。形成切割元件的方法包括将大体平坦的硬质材料体积固定到主体上，将传感器附接到主体上并配置传感器。形成钻孔工具的方法包括形成切割元件并将切割元件固定在钻孔工具的主体内的凹部内。形成井筒的方法包括旋转包括切割元件并且测量应力和应变中的至少一个的钻孔工具。

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