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    • 5. 发明授权
    • Top drive with an airlift thread compensator and a hollow cylinder rod providing minimum flexing of conduit
    • 顶部驱动器带有空气提升螺纹补偿器和空心圆柱杆,提供导管的最小弯曲
    • US08127836B1
    • 2012-03-06
    • US13176335
    • 2011-07-05
    • Larry G. KeastJames StricklandAlan Shem
    • Larry G. KeastJames StricklandAlan Shem
    • E21B19/22
    • E21B19/16
    • A top drive for engagement with a travelling block with a hook can include an airlift thread compensator connected to a bail. An enclosure can be connected to the bail with an airbag disposed therein. A bail pin can be engaged through the enclosure, and can be connected to the airbag. The airbag can support weight of the top drive. Upper links can be connected to the enclosure and to a top drive housing. The top drive housing can support a stem connected to a motor, and a bearing can be disposed about the stem. Lower links can be connected to the top drive housing and to an elevator for moving tubulars. An inside blow out preventer can be connected to the stem and to a saver sub. A torque wrench assembly can be connected to the top drive housing for gripping tubulars.
    • 与挂钩的旅行块接合的顶部驱动器可以包括连接到保释的空气提升螺纹补偿器。 外壳可以与安置在其中的气囊连接到吊环。 吊环可以通过外壳接合,并可连接到气囊。 安全气囊可以支撑顶部驱动器的重量。 上部链接可以连接到机箱和顶部驱动器外壳。 顶部驱动器壳体可以支撑连接到电动机的杆,并且可以围绕杆布置轴承。 下部连杆可以连接到顶部驱动器壳体和用于移动管道的电梯。 内部防喷器可以连接到阀杆和保险柜。 扭矩扳手组件可以连接到顶部驱动器壳体以用于夹紧管件。
    • 6. 发明授权
    • Method for using a top drive with an air lift thread compensator and a hollow cylinder rod providing minimum flexing of conduit
    • 使用具有空气提升螺纹补偿器的顶部驱动器和提供导管的最小弯曲的中空圆柱杆的方法
    • US07921939B1
    • 2011-04-12
    • US12861534
    • 2010-08-23
    • Larry G. KeastJames StricklandAlan Shem
    • Larry G. KeastJames StricklandAlan Shem
    • E21B3/02E21B19/02
    • E21B19/16E21B3/02
    • A method for using a top drive is disclosed herein. The method can include: actuating a motor to provide power to the top drive, thereby rotating a stem with a saver sub mounted to a top drive housing having a bearing disposed about the rotatable stem; grabbing, lifting, and positioning tubulars using an elevator; and suspending weight of the top drive to prevent damage to threads of the tubulars during threadable engagement and disengagement of the tubulars using an airbag of an airlift thread compensator. The method can further include: positioning a torque wrench assembly along the tubulars for connecting the tubulars using a hydraulic cylinder disposed inside a torque supporting telescoping tubes; and movably positioning a single hollow cylinder rod of the hydraulic cylinder to extend into a first and second protected area, thereby preventing axial movement of a flexible hose during operation of the torque wrench assembly.
    • 本文公开了一种使用顶部驱动器的方法。 该方法可以包括:致动马达以向顶部驱动器提供动力,由此旋转具有安装到具有围绕可旋转杆布置的轴承的顶部驱动器壳体的保护器的杆; 使用电梯抓住,提升和定位管子; 并且悬挂上部驱动器的重量以防止在使用空气提升螺纹补偿器的气囊的螺纹接合和分离过程中损坏管状螺纹。 该方法还可以包括:沿着管状物定位扭矩扳手组件,用于使用设置在扭矩支撑伸缩管内的液压缸来连接管件; 并且可移动地定位液压缸的单个中空圆柱杆以延伸到第一和第二保护区域中,从而防止在扭矩扳手组件的操作期间柔性软管的轴向移动。
    • 7. 发明授权
    • Drilling rig with a top drive with an air lift thread compensator and a hollow cylinder rod providing minimum flexing of conduit
    • 钻机具有带升降螺纹补偿器的顶部驱动器和空心圆柱杆,可提供导管的最小弯曲
    • US07984757B1
    • 2011-07-26
    • US12861518
    • 2010-08-23
    • Larry G. KeastJames StricklandAlan Shem
    • Larry G. KeastJames StricklandAlan Shem
    • E21B19/22
    • E21B19/02
    • A drilling rig with a top drive for engagement with a travelling block with a hook comprising an airlift thread compensator with an airlift box connected to a bail. The airlift box can have an airbag disposed therein. A bail pin can be engaged through the airlift box, and can be connected to the airbag. The airbag can support the top drive. Upper links can be connected to the airlift box and to a bearing housing. The bearing housing can support a stem connected to a motor, and a bearing can be disposed about the stem. Lower links can be connected to the bearing housing and to an elevator for moving tubulars. An inside blow out preventer can be connected to the stem and to a saver sub. A torque wrench can be connected to the bearing housing for gripping tubulars.
    • 一种具有顶部驱动器的钻机,其具有与具有钩的行进块接合,该钩包括具有连接到吊环的空气提升箱的空气提升螺纹补偿器。 该提升箱可以具有安置在其中的气囊。 吊环可以通过空气提升箱接合,并可连接到气囊。 安全气囊可以支撑顶部驱动。 上连杆可以连接到空运箱和轴承箱。 轴承壳体可以支撑连接到电动机的杆,并且可以围绕杆布置轴承。 下连杆可以连接到轴承箱和用于移动管的电梯。 内部防喷器可以连接到阀杆和保险柜。 扭矩扳手可以连接到用于夹持管的轴承壳体。