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    Earth-boring tools and methods for forming earth-boring tools using shape memory materials
    1.
    发明授权
    Earth-boring tools and methods for forming earth-boring tools using shape memory materials 有权

    公开(公告)号：US10280479B2

    公开(公告)日：2019-05-07

    申请号：US15002211

    申请日：2016-01-20

    申请人： Baker Hughes Incorporated

    发明人： Bo Yu ,  Xu Huang ,  Juan Miguel Bilen ,  John H. Stevens ,  Eric C. Sullivan

    IPC分类号： E21B10/567 ,  C21D10/00 ,  C22F1/00

    摘要： An earth-boring tool includes a tool body, at least one cutting element, and a retaining member comprising a shape memory material (e.g., alloy, polymer, etc.) located between a surface of the tool body and a surface of the cutting element. The shape memory material is configured to transform, responsive to application of a stimulus, from a first solid phase to a second solid phase. The retaining member comprises the shape memory material in the second solid phase, and at least partially retains the at least one cutting element adjacent the tool body. The shape memory material may be trained in a first phase to a first shape, and trained in a second phase to a second shape. The retaining member may be at least partially within a cavity in the first phase, then transformed to the second phase to apply a force securing the cutting element to the tool body.

    Earth-boring tools including movable cutting elements and related methods
    6.
    发明授权
    Earth-boring tools including movable cutting elements and related methods 有权
    钻孔工具包括可移动切割元件和相关方法

    公开(公告)号：US09399892B2

    公开(公告)日：2016-07-26

    申请号：US13892766

    申请日：2013-05-13

    申请人： Baker Hughes Incorporated

    发明人： Eric Do ,  Juan Miguel Bilen ,  Philip Christof Schulte ,  Jason E. Hoines

    IPC分类号： E21B10/62 ,  E21B10/627

    CPC分类号： E21B10/627

    摘要： Earth-boring tools may have a body, a cutting element attached to the body at a first location, and a formation-engaging structure attached to the body at a second location. The formation-engaging structure may be movable during a drilling operation between a first position and a second position. In the first position, the formation-engaging structure may be located rotationally behind the cutting element at a first radial distance from a longitudinal axis of the body at which the cutting element will at least initially shield the formation-engaging structure from engaging a formation. In the second position, the formation-engaging structure may be located at a different second radial distance from the longitudinal axis of the body at which the formation-engaging structure will engage a formation.

    摘要翻译： 钻孔工具可以具有主体，在第一位置处附接到主体的切割元件，以及在第二位置处附接到主体的地层接合结构。 地层接合结构可以在第一位置和第二位置之间的钻井操作期间是可移动的。 在第一位置，地层接合结构可以在距离主体的纵向轴线的第一径向距离处旋转地位于切割元件的后面，在该第一径向距离处，切割元件将至少初始地屏蔽地层接合结构以接合地层。 在第二位置，地层接合结构可以位于与主体的纵向轴线不同的第二径向距离处，其中地层接合结构将接合地层。

    EARTH-BORING TOOLS, DEPTH-OF-CUT LIMITERS, AND METHODS OF FORMING OR SERVICING A WELLBORE
    7.
    发明申请
    EARTH-BORING TOOLS, DEPTH-OF-CUT LIMITERS, AND METHODS OF FORMING OR SERVICING A WELLBORE 审中-公开

    公开(公告)号：US20170204677A1

    公开(公告)日：2017-07-20

    申请号：US15002230

    申请日：2016-01-20

    申请人： Baker Hughes Incorporated

    发明人： Bo Yu ,  Juan Miguel Bilen ,  John H. Stevens ,  Wanjun Cao

    IPC分类号： E21B10/62 ,  E21B10/55 ,  E21B10/42

    CPC分类号： E21B10/62 ,  E21B10/42 ,  E21B10/55

    摘要： An earth-boring tool includes a bit body and an actuator coupled to the bit body. The actuator includes at least one shape memory material configured to transform from a first shape to a second shape to move a bearing pad or a cutting element with respect to the bit body in response to a stimulus. A transformation from the first shape to the second shape includes a phase change from a first solid phase to a second solid phase. A depth-of-cut limiter includes a bearing element and at least one shape memory material coupled to the bearing element. A method of forming or servicing a wellbore includes rotating an earth-boring tool within a wellbore, applying a stimulus to an actuator to convert at least one shape memory material from a first shape to a second shape, and continuing to rotate the earth-boring tool within the wellbore after applying the stimulus.

    EARTH-BORING TOOLS CARRYING FORMATION-ENGAGING STRUCTURES
    9.
    发明申请
    EARTH-BORING TOOLS CARRYING FORMATION-ENGAGING STRUCTURES 审中-公开

    公开(公告)号：US20170130534A1

    公开(公告)日：2017-05-11

    申请号：US14933908

    申请日：2015-11-05

    申请人： Baker Hughes Incorporated

    发明人： Don Quy Nguyen ,  Juan Miguel Bilen ,  Steven C. Russell ,  Kenneth R. Evans

    IPC分类号： E21B10/633 ,  E21B10/55 ,  E21B10/42

    CPC分类号： E21B10/633 ,  E21B10/55

    摘要： An earth-boring tool includes a blade located on a body of the earth-boring tool with a pocket formed in an exposed outer surface of the blade. A formation-engaging structure is affixed within the pocket. The formation-engaging structure includes a distal end, a proximal end and a tapered sidewall therebetween. The distal end of the formation-engaging structure includes a formation-engaging surface. The tapered sidewall engages a tapered inner surface of the pocket. The tapered sidewall of the formation-engaging structure and the tapered inner surface of the pocket are each sized and configured to provide an interference fit between the formation-engaging structure and the pocket of the blade. In additional embodiments, instead of retention by interference fit, the formation-engaging structure is retained to the blade by a threaded fastener threaded within a tapped bore extending through the blade. The threaded fastener is received within a receiving formation of the formation-engaging structure.

    FORMATION-ENGAGING ASSEMBLIES, EARTH-BORING TOOLS INCLUDING SUCH ASSEMBLIES, AND ASSOCIATED METHODS
    10.
    发明申请
    FORMATION-ENGAGING ASSEMBLIES, EARTH-BORING TOOLS INCLUDING SUCH ASSEMBLIES, AND ASSOCIATED METHODS 审中-公开
    形成装配组件，包括这种装配的地球工具及相关方法

    公开(公告)号：US20170030145A1

    公开(公告)日：2017-02-02

    申请号：US15293955

    申请日：2016-10-14

    申请人： Baker Hughes Incorporated

    发明人： Juan Miguel Bilen ,  Steven Craig Russell

    IPC分类号： E21B10/62 ,  E21B10/42

    CPC分类号： E21B10/62 ,  E21B10/42 ,  E21B10/54 ,  E21B10/627 ,  E21B10/633 ,  E21B2010/425 ,  Y10T29/49948 ,  Y10T29/49964

    摘要： A formation-engaging assembly includes a formation-engaging structure holder with a side surface between a proximal end and a distal end, a receptacle in the distal end, and a lateral protrusion extending from a portion of the side surface of the formation-engaging structure holder adjacent the distal end. A formation-engaging structure may include a formation-engaging surface at a distal end, a proximal end and a sidewall therebetween. The proximal end and at least a portion of the sidewall of the formation-engaging structure may be received within the receptacle of the formation-engaging structure holder. Earth-boring tools may include such formation-engaging assemblies.

    摘要翻译： 地层接合组件包括具有在近端和远端之间的侧表面的接地结构保持器，远端中的容器以及从地层接合结构的侧表面的一部分延伸的侧向突起 支架靠近远端。 地层接合结构可包括在远端，近端和侧壁之间的地层接合表面。 地层接合结构的近端和侧壁的至少一部分可以容纳在地层接合结构保持器的容器内。 钻孔工具可以包括这种地层接合组件。