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    • 7. 发明申请
    • ACTIVE CONTROL OF DRILL BIT WALKING
    • 钻头操纵的主动控制
    • US20140338974A1
    • 2014-11-20
    • US13894117
    • 2013-05-14
    • Donald Keith TrichelAndreas PeterOliver HoehnSteffen Schulze
    • Donald Keith TrichelAndreas PeterOliver HoehnSteffen Schulze
    • E21B44/02E21B7/10
    • E21B44/00E21B7/062E21B47/024
    • An apparatus for drilling a borehole into an earth formation includes: a drill bit configured to be rotated to drill into the formation; a drill tubular coupled to the drill bit and configured to rotate the drill bit; a steering device coupled to the drill string and configured to impart a force on the drill string to control a direction of drilling; and a controller configured to communicate a control signal to the steering device. The control signal includes information for directing actuation of the steering device for steering the drill bit in an intended drilling direction. The controller is further configured to direct the steering device to provide a compensating force on the drill string that prevents or reduces an azimuthal deviation from the intended drilling direction due to drill bit walking.
    • 用于将钻孔钻入地层的装置包括:钻头,其构造成旋转以钻入地层; 钻头管,其联接到所述钻头并且构造成旋转所述钻头; 转向装置,其联接到所述钻柱并且构造成在所述钻柱上施加力以控制钻孔的方向; 以及控制器,被配置为将控制信号传送到转向装置。 控制信号包括用于引导转向装置的致动的信息,用于在预定的钻井方向上转向钻头。 控制器进一步构造成引导转向装置在钻柱上提供补偿力,其防止或减少由于钻头行走而导致的预期钻进方向的方位偏差。
    • 9. 发明授权
    • Semi-autonomous drilling control
    • 半自主钻井控制
    • US09593566B2
    • 2017-03-14
    • US14061024
    • 2013-10-23
    • Oliver HoehnJoern Koeneke
    • Oliver HoehnJoern Koeneke
    • G05B13/02E21B44/00G05B13/04
    • E21B44/00G05B13/041G05B13/042
    • A method of facilitating a drilling operation includes: receiving a current set point for a drilling operation, the current set point indicating a value of an operational parameter at which the drilling operation is being performed; receiving a global limit indicating at least one of a maximum and a minimum value of the operational parameter that is permitted to be applied for the drilling operation; defining a local limit for the operational parameter, the local limit indicating at least one of a local maximum value and a local minimum value of the operational parameter; receiving a parameter change value, the parameter change value indicating a proposed change to the operational parameter from the current set point; and selecting a level of automation by which the operational parameter can be adjusted, the level of automation based on a comparison of the parameter change value and the local limit.
    • 一种促进钻井操作的方法包括:接收钻井作业的当前设定点,当前设定点指示正在进行钻井作业的操作参数的值; 接收指示允许应用于钻井作业的操作参数的最大值和最小值中的至少一个的全局极限值; 定义所述操作参数的局部极限,所述局部极限指示所述操作参数的局部最大值和局部最小值中的至少一个; 接收参数改变值,所述参数改变值指示从所述当前设定点向所述操作参数提出的改变; 并根据参数变化值与本地限制的比较来选择自动化程度,通过该级别进行操作参数的调整,自动化水平。