公开(公告)号：US20160047169A1

公开(公告)日：2016-02-18

申请号：US14773685

申请日：2014-03-07

申请人： DYNOMAX DRILLING TOOLS INC.

发明人： Dean Livingstone

IPC分类号： E21B10/28 ,  E21B4/02

CPC分类号： E21B10/28 ,  E21B4/02 ,  E21B10/30

摘要： A downhole mud motor is formed of plural housings containing at least a drive section and a transmission section. At least a housing of the plural housings has a longitudinal axis and incorporates a reaming section with one or more rotary reamers. Each of the one or more rotary reamers is mounted in a respective pocket for rotation about a transverse axis relative to the longitudinal axis of the housing.

摘要翻译： 井下泥浆马达由至少包含驱动部和变速部的多个壳体形成。 至少多个壳体的壳体具有纵向轴线并且包括具有一个或多个旋转铰刀的扩孔部分。 一个或多个旋转扩孔器中的每一个安装在相应的凹部中，用于相对于壳体的纵向轴线围绕横向轴线旋转。

公开(公告)号：US10378285B2

公开(公告)日：2019-08-13

申请号：US14773685

申请日：2014-03-07

申请人： Dynomax Drilling Tools Inc.

发明人： Dean Livingstone

IPC分类号： E21B4/02 ,  E21B10/28 ,  E21B10/30

摘要： A downhole mud motor is formed of plural housings containing at least a drive section and a transmission section. At least a housing of the plural housings has a longitudinal axis and incorporates a reaming section with one or more rotary reamers. Each of the one or more rotary reamers is mounted in a respective pocket for rotation about a transverse axis relative to the longitudinal axis of the housing.