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    • 1. 发明授权
    • Downhole swivel sub
    • 井下旋转子
    • US08191639B2
    • 2012-06-05
    • US11911049
    • 2006-04-18
    • Paul HowlettJames Bain
    • Paul HowlettJames Bain
    • E21B23/04
    • E21B17/05
    • The present invention provides a swivel sub for connection in a work string between a workstring and a downhole apparatus. The swivel sub includes a first substantially cylindrical body, including a sleeve portion having one or more teeth and a second substantially cylindrical body being partially located within the sleeve portion. The bodies are arranged to rotate relative to each other. The swivel sub also includes a sliding sleeve, having one or more teeth arranged mutually engage with the first teeth is axially moveable between disengaged and engaged positions, in one embodiment by a pressure differential being created in the sub. Further, the present invention provides methods for of running the tool, with particular application to setting and hanging of liners and screens.
    • 本发明提供了一种用于在工作串和井下设备之间的工作串中连接的旋转子。 旋转副包括第一基本上圆柱形的主体,其包括具有一个或多个齿的套筒部分和部分地位于套筒部分内的第二基本上圆柱形的主体。 主体被布置成相对于彼此旋转。 旋转接头还包括滑动套筒,其具有与第一齿相互接合的一个或多个齿在分离和接合位置之间轴向移动,在一个实施例中通过在副中产生压力差。 此外,本发明提供了用于运行该工具的方法,特别适用于衬套和筛网的设置和悬挂。
    • 5. 发明授权
    • Shoe
    • US07896110B2
    • 2011-03-01
    • US10598365
    • 2005-02-24
    • James Bain
    • James Bain
    • E21B17/14
    • E21B17/14
    • A tubing shoe (10) for use on work strings in well bores as are typically utilised in oil and gas production. The shoe comprises a cylindrical body (12) upon which is arranged a reaming portion (22) including pairs of teardrop shaped raised reaming members (26), each pair being mounted oppositely, in parallel and longitudinally along the body. Adjacent pairs of members provide a funnel (42) for collecting approaching debris and a channel for grinding the debris. A nose (14) may be mounted on the end of the shoe, the nose being eccentric or including cutting blades to assist the shoe in breaking through shale and clay stone bridges. A non-aggressive stabiliser (54) in the form of helically arranged blades may also be located on shoe.
    • 在井眼中的工作串上使用的油管靴(10)通常用于石油和天然气生产。 该鞋包括圆柱体(12),在该圆柱体上设置有包括成对的泪珠状凸起扩孔构件(26)的扩孔部分(22),每一对沿主体平行并纵向安装。 相邻的成对构件提供用于收集接近碎屑的漏斗(42)和用于研磨碎屑的通道。 鼻子(14)可以安装在鞋子的端部上,鼻子是偏心的或包括切割刀片以帮助鞋子打破页岩和粘土石桥梁。 螺旋状叶片形式的非侵蚀性稳定器(54)也可以位于鞋上。
    • 6. 发明申请
    • Shoe
    • US20080236813A1
    • 2008-10-02
    • US10598365
    • 2005-02-24
    • James Bain
    • James Bain
    • E21B17/14
    • E21B17/14
    • A tubing shoe (10) for use on work strings in well bores as are typically utilised in oil and gas production. The shoe comprises a cylindrical body (12) upon which is arranged a reaming portion (22) including pairs of teardrop shaped raised reaming members (26), each pair being mounted oppositely, in parallel and longitudinally along the body. Adjacent pairs of members provide a funnel (42) for collecting approaching debris and a channel for grinding the debris. A nose (14) may be mounted on the end of the shoe, the nose being eccentric or including cutting blades to assist the shoe in breaking through shale and clay stone bridges. A non-aggressive stabiliser (54) in the form of helically arranged blades may also be located on shoe.
    • 在井眼中的工作串上使用的油管靴(10)通常用于石油和天然气生产。 该鞋包括圆柱体(12),在该圆柱体上设置有包括成对的泪珠状凸起扩孔构件(26)的扩孔部分(22),每一对沿主体平行并纵向安装。 相邻的成对构件提供用于收集接近碎屑的漏斗(42)和用于研磨碎屑的通道。 鼻子(14)可以安装在鞋子的端部上,鼻子是偏心的或包括切割刀片以帮助鞋子打破页岩和粘土石桥梁。 螺旋状叶片形式的非侵蚀性稳定器(54)也可以位于鞋上。
    • 10. 发明申请
    • DOWNHOLE SWIVEL SUB
    • 卧室开关
    • US20120234559A1
    • 2012-09-20
    • US13483209
    • 2012-05-30
    • Paul HOWLETTJames BAIN
    • Paul HOWLETTJames BAIN
    • E21B23/00
    • E21B17/05
    • The present invention provides a swivel sub for connection in a work string between a workstring and a downhole apparatus. The swivel sub includes a first substantially cylindrical body, including a sleeve portion having one or more teeth and a second substantially cylindrical body being partially located within the sleeve portion. The bodies are arranged to rotate relative to each other. The swivel sub also includes a sliding sleeve, having one or more teeth arranged mutually engage with the first teeth is axially moveable between disengaged and engaged positions, in one embodiment by a pressure differential being created in the sub. Further, the present invention provides methods for of running the tool, with particular application to setting and hanging of liners and screens.
    • 本发明提供了一种用于在工作串和井下设备之间的工作串中连接的旋转子。 旋转副包括第一基本上圆柱形的主体,其包括具有一个或多个齿的套筒部分和部分地位于套筒部分内的第二基本上圆柱形的主体。 主体被布置成相对于彼此旋转。 旋转接头还包括滑动套筒,其具有与第一齿相互接合的一个或多个齿在分离和接合位置之间轴向移动,在一个实施例中通过在副中产生压力差。 此外,本发明提供了用于运行该工具的方法,特别适用于衬套和筛网的设置和悬挂。