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    • 4. 发明授权
    • Apparatus and method for automated drilling of a borehole in a subsurface formation
    • 用于地下地层钻孔自动钻孔的装置和方法
    • US09027671B2
    • 2015-05-12
    • US13289716
    • 2011-11-04
    • William Leo Koederitz
    • William Leo Koederitz
    • E21B44/00
    • E21B44/00E21B44/005
    • Apparatus and method for automated drilling of a borehole in a subsurface formation. In one embodiment, a method includes selecting at least one control variable. A drilling performance objective having a value that is influenced by drilling of the borehole using the at least one control variable is defined. A first interval of the borehole is drilled maintaining the at least one control variable at a first value. A second interval of the borehole is drilled maintaining the at least one control variable at a second value. A third interval of the borehole is drilled maintaining the at least one control variable at a third value. The third value is selected based on a comparison of the values of the drilling performance objective while drilling the first interval and second interval to a predetermined optimal value of the drilling performance objective.
    • 用于地下地层钻孔自动钻孔的装置和方法。 在一个实施例中,一种方法包括选择至少一个控制变量。 定义具有使用至少一个控制变量钻孔所影响的值的钻井性能目标。 钻出钻孔的第一间隔,将至少一个控制变量保持在第一值。 钻出钻孔的第二间隔,将至少一个控制变量保持在第二值。 钻出钻孔的第三间隔,将至少一个控制变量保持在第三值。 基于在钻探第一间隔和第二间隔到钻井性能目标的预定最佳值的钻井性能目标的值的比较来选择第三值。
    • 7. 发明授权
    • Wellbore operations monitoring and control systems and methods
    • 井筒作业监控系统和方法
    • US07243735B2
    • 2007-07-17
    • US11043426
    • 2005-01-26
    • William Leo KoederitzTerry Lynn Tarvin
    • William Leo KoederitzTerry Lynn Tarvin
    • E21B47/12
    • E21B45/00E21B49/003
    • A method for a wellbore operation with a wellbore system, the method, in at least certain aspects, including acquiring with sensor systems data corresponding to a plurality of parameters, the data indicative of values for each parameter, each parameter associated with part of the wellbore system, and, based on said data, calculating a value for each of a plurality of mechanical specific energies each related to a mechanical specific energy for a part of the wellbore system; and, in some aspects, monitoring in real time the value of each of the mechanical specific energies; and, in certain aspects, using such determined values to alter, change, improve, or optimize operations.
    • 一种用于井筒系统的井眼操作的方法,所述方法至少在某些方面包括采用与多个参数对应的传感器系统数据,所述数据表示每个参数的值,每个参数与井眼的一部分相关联 系统,并且基于所述数据,计算与井眼系统的一部分的机械比能量相关的多个机械比能的每一个的值; 并且在某些方面,实时监测每个机械比能的值; 并且在某些方面,使用这样确定的值来改变,改变,改进或优化操作。