公开(公告)号：US08079431B1

公开(公告)日：2011-12-20

申请号：US12405585

申请日：2009-03-17

申请人： Craig H. Cooley ,  Jeffery B. Lund ,  Jair J. Gonzalez

发明人： Craig H. Cooley ,  Jeffery B. Lund ,  Jair J. Gonzalez

IPC分类号： E21B10/43

CPC分类号： E21B10/55 ,  E21B3/00 ,  E21B10/42 ,  E21B10/567 ,  E21B10/573 ,  E21B10/62 ,  E21B10/627 ,  E21B10/633 ,  E21B2010/545

摘要： A rotary drill bit is disclosed. The rotary drill bit may include a bit body, a cutting pocket defined in the bit body, and a cutting element rotatably coupled to the bit body. The cutting element may be positioned at least partially within the cutting pocket. The rotary drill bit may also include a rotation-inducing member adjacent to the cutting element for inducing rotation of the cutting element relative to the cutting pocket. The rotation-inducing member may include a resilient member or a vibrational member. The rotary drill bit may also include protrusions extending from an interior of the cutting pocket adjacent to an outer diameter of the cutting element. A method of drilling a formation is also disclosed.

摘要翻译： 公开了一种旋转钻头。 旋转钻头可以包括钻头体，限定在钻头体中的切削槽，以及可旋转地联接到钻头体的切削元件。 切割元件可以至少部分地定位在切割凹槽内。 旋转钻头还可以包括与切割元件相邻的旋转诱导构件，用于引导切割元件相对于切割凹槽的旋转。 旋转诱导构件可以包括弹性构件或振动构件。 旋转钻头还可以包括从切割凹槽的内部邻近切割元件的外径延伸的突起。 还公开了一种钻井地层的方法。

公开(公告)号：US08286735B1

公开(公告)日：2012-10-16

申请号：US13330471

申请日：2011-12-19

申请人： Craig H. Cooley ,  Jeffery B. Lund ,  Jair J. Gonzalez

发明人： Craig H. Cooley ,  Jeffery B. Lund ,  Jair J. Gonzalez

IPC分类号： E21B10/62 ,  E21B10/633

CPC分类号： E21B10/55 ,  E21B3/00 ,  E21B10/42 ,  E21B10/567 ,  E21B10/573 ,  E21B10/62 ,  E21B10/627 ,  E21B10/633 ,  E21B2010/545

摘要： A rotary drill bit is disclosed. The rotary drill bit may include a bit body, a cutting pocket defined in the bit body, and a cutting element rotatably coupled to the bit body. The cutting element may be positioned at least partially within the cutting pocket. The rotary drill bit may also include a rotation-inducing member adjacent to the cutting element for inducing rotation of the cutting element relative to the cutting pocket. The rotation-inducing member may include a resilient member or a vibrational member. The rotary drill bit may also include protrusions extending from an interior of the cutting pocket adjacent to an outer diameter of the cutting element. A method of drilling a formation is also disclosed.

摘要翻译： 公开了一种旋转钻头。 旋转钻头可以包括钻头体，限定在钻头体中的切削槽，以及可旋转地联接到钻头体的切削元件。 切割元件可以至少部分地定位在切割凹槽内。 旋转钻头还可以包括与切割元件相邻的旋转诱导构件，用于引导切割元件相对于切割凹槽的旋转。 旋转诱导构件可以包括弹性构件或振动构件。 旋转钻头还可以包括从切割凹槽的内部邻近切割元件的外径延伸的突起。 还公开了一种钻井地层的方法。