Top drive systems
    1.
    发明申请
    Top drive systems 有权
    顶级驱动系统

    公开(公告)号:US20070251699A1

    公开(公告)日:2007-11-01

    申请号:US11414512

    申请日:2006-04-28

    IPC分类号: E21B19/00

    CPC分类号: E21B19/16

    摘要: A top drive system for wellbore operations, the top drive system including motor apparatus, a main shaft driven by the motor apparatus, the main shaft having a top end and a bottom end, a quill connected to the main shaft, and a gear system interconnected with the quill and the motor apparatus.

    摘要翻译: 用于井眼操作的顶部驱动系统,包括电动机装置的顶部驱动系统,由电动机装置驱动的主轴,主轴具有顶端和底端,连接到主轴的套筒和互连的齿轮系统 与羽绒和马达装置。

    Multi-seal for top drive shaft
    3.
    发明申请
    Multi-seal for top drive shaft 有权
    顶部传动轴多重密封

    公开(公告)号:US20070251705A1

    公开(公告)日:2007-11-01

    申请号:US11414514

    申请日:2006-04-28

    IPC分类号: E21B19/00

    摘要: A multi-seal sealing assembly with multiple seals so that when one seal wears out another can be moved into sealing position; and a top drive system for wellbore operations with such a sealing assembly; the sealing assembly in one aspect having a seal carrier movable to move at least one secondary seal into sealing position when a primary seal has worn out.

    摘要翻译: 具有多个密封件的多密封密封组件,使得当一个密封件磨损时,另一个密封件可以移动到密封位置; 以及用于具有这种密封组件的井眼操作的顶部驱动系统; 密封组件在一个方面具有密封载体,当主密封件已经磨损时,该密封载体可移动以将至少一个次级密封件移动到密封位置。

    Internal blow out preventer ball and seat
    4.
    发明授权
    Internal blow out preventer ball and seat 有权
    内部防喷器球和座

    公开(公告)号:US07121295B2

    公开(公告)日:2006-10-17

    申请号:US10971468

    申请日:2004-10-21

    IPC分类号: F16L7/00

    摘要: An internal blow out preventer is provided that includes a ball valve including a tubular assembly having a central passageway with upper and lower seats mounted therein. A ball is rotatably received between the upper and lower seats and includes an external surface and a central opening, wherein the central opening includes an undercut. A protective coating is applied to both the external surface and the undercut of the ball.

    摘要翻译: 提供了一种内部防喷器,其包括球阀,该球阀包括具有安装在其中的上部和下部座的中心通道的管状组件。 球可旋转地容纳在上座椅和下座椅之间,并且包括外表面和中心开口,其中中心开口包括底切。 保护涂层施加到球的外表面和底切。

    Triple valve blow out preventer
    5.
    发明申请
    Triple valve blow out preventer 有权
    三重阀防喷器

    公开(公告)号:US20060191679A1

    公开(公告)日:2006-08-31

    申请号:US11201056

    申请日:2005-08-09

    IPC分类号: E21B33/06

    摘要: A triple-valve internal blow out preventer having unitary construction is provided, each valve including a tubular assembly having a central passageway with upper and lower seats mounted therein. A ball is rotatably received between the upper and lower seats and includes an external surface and a central opening, wherein the central opening may include an undercut. A protective coating may also be applied to both the external surface and the undercut of the ball to increase the durability of each of the valves.

    摘要翻译: 提供具有单一结构的三阀内部防喷器,每个阀包括管状组件,其具有安装在其中的上部和下部座的中心通道。 球可旋转地容纳在上座椅和下座椅之间,并且包括外表面和中心开口,其中中心开口可包括底切。 还可以将保护涂层施加到球的外表面和底切上,以增加每个阀的耐久性。

    Triple valve blow out preventer
    8.
    发明授权
    Triple valve blow out preventer 有权
    三重阀防喷器

    公开(公告)号:US07287544B2

    公开(公告)日:2007-10-30

    申请号:US11201056

    申请日:2005-08-09

    IPC分类号: F16L7/00

    摘要: A triple-valve internal blow out preventer having unitary construction is provided, each valve including a tubular assembly having a central passageway with upper and lower seats mounted therein. A ball is rotatably received between the upper and lower seats and includes an external surface and a central opening, wherein the central opening may include an undercut. A protective coating may also be applied to both the external surface and the undercut of the ball to increase the durability of each of the valves.

    摘要翻译: 提供具有单一结构的三阀内部防喷器,每个阀包括管状组件,其具有安装在其中的上部和下部座的中心通道。 球可旋转地容纳在上座椅和下座椅之间,并且包括外表面和中心开口,其中中心开口可包括底切。 还可以将保护涂层施加到球的外表面和底切上,以增加每个阀的耐久性。