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    • 14. 发明授权
    • Optimized drilling
    • 优化钻孔
    • US09574432B2
    • 2017-02-21
    • US13993640
    • 2011-12-13
    • Maurice RingerMichael P. BarrettBenjamin P. JeffryesWalter David AldredAshley Johnson
    • Maurice RingerMichael P. BarrettBenjamin P. JeffryesWalter David AldredAshley Johnson
    • E21B45/00E21B44/02E21B4/02E21B47/00G01P3/487E21B44/00G01P3/44
    • E21B44/02E21B4/02E21B44/00E21B45/00E21B47/00G01P3/44G01P3/487H02K11/215
    • The invention provides a method of optimizing the rate of penetration of a hydraulically or pneumatically powered rotor and stator driven drill as it drills a wellbore into the earth, the method comprising: (a) measuring a first set of rotor and stator operating parameters including the weight applied to the drill bit, the speed of rotation of the rotor and rotor torque for a first period of time, (b) generating a first set of relationships from the first set of operating parameters to enable the rotor speed and rotor torque to be predicted over a range of operating parameter values, (c) determining the rate of penetration for the first period of time from measurements of weight applied to the bit and rotation speed of the bit, (d) determining whether any other combination of weight applied to bit and rotation speed of bit, provided by the relationships determined in step (b) are capable of providing a greater rate of penetration, and (e) adjusting at least one operating parameter to move the weight applied to bit and/or speed of rotation of bit towards the combination which provides a first greater rate of penetration.
    • 本发明提供了一种在将井眼钻入地球时优化液压或气动动力的转子和定子驱动钻机的穿透速率的方法,所述方法包括:(a)测量第一组转子和定子运行参数,包括 施加到钻头的重量,转子的转速和转子扭矩在第一时间段内,(b)从第一组操作参数产生第一组关系,以使转子速度和转子扭矩为 在一系列操作参数值上预测,(c)从测量施加到钻头的钻头和转速的第一时间段确定穿透速率,(d)确定是否有任何其他重量组合应用于 由步骤(b)中确定的关系提供的位的位和转速能够提供更大的穿透速率,以及(e)将至少一个操作参数调整为m 适用于钻头朝向组合的钻头和/或旋转速度的重量,其提供第一较高的穿透速率。
    • 15. 发明申请
    • OPTIMIZED DRILLING
    • 优化钻孔
    • US20140027174A1
    • 2014-01-30
    • US13993640
    • 2011-12-13
    • Maurice RingerMichael P. BarrettBenjamin P. JeffryesWalter David AldredAshley Johnson
    • Maurice RingerMichael P. BarrettBenjamin P. JeffryesWalter David AldredAshley Johnson
    • E21B44/02E21B45/00
    • E21B44/02E21B4/02E21B44/00E21B45/00E21B47/00G01P3/44G01P3/487H02K11/215
    • The invention provides a method of optimising the rate of penetration of a hydraulically or pneumatically powered rotor and stator driven drill as it drills a wellbore into the earth, the method comprising: (a) measuring a first set of rotor and stator operating parameters including the weight applied to the drill bit, the speed of rotation of the rotor and rotor torque for a first period of time, (b) generating a first set of relationships from the first set of operating parameters to enable the rotor speed and rotor torque to be predicted over a range of operating parameter values, (c) determining the rate of penetration for the first period of time from measurements of weight applied to the bit and rotation speed of the bit, (d) determining whether any other combination of weight applied to bit and rotation speed of bit, provided by the relationships determined in step (b) are capable of providing a greater rate of penetration, and (e) adjusting at least one operating parameter to move the weight applied to bit and/or speed of rotation of bit towards the combination which provides a first greater rate of penetration.
    • 本发明提供了一种在将井眼钻入地球时优化液压或气动动力的转子和定子驱动钻机的穿透速率的方法,所述方法包括:(a)测量第一组转子和定子运行参数,包括 施加到钻头的重量,转子的转速和转子扭矩在第一时间段内,(b)从第一组操作参数产生第一组关系,以使转子速度和转子扭矩为 在一系列操作参数值上预测,(c)从测量施加到钻头的钻头和转速的第一时间段确定穿透速率,(d)确定是否有任何其他重量组合应用于 由步骤(b)中确定的关系提供的位的位和转速能够提供更大的穿透速率,以及(e)将至少一个操作参数调整为m 适用于钻头朝向组合的钻头和/或旋转速度的重量,其提供第一较高的穿透速率。
    • 16. 发明授权
    • Method for updating an earth model using measurements gathered during borehole construction
    • 使用井眼施工中收集的测量值来更新地球模型的方法
    • US06766254B1
    • 2004-07-20
    • US10088725
    • 2002-08-05
    • Ian BradfordJohn Mervyn CookJohn FullerWalter David AldredVidhyadhar Gholkar
    • Ian BradfordJohn Mervyn CookJohn FullerWalter David AldredVidhyadhar Gholkar
    • G01V140
    • E21B44/00E21B49/00E21B49/003G01V1/40
    • A method and system for real time updating of an earth model. The efficiency with which an oil or gas well is constructed can be enhanced by updating the relevant earth model using real-time measurements of the effective density of the drilling fluid and other parameters. The method includes generating an earth model used for predicting potential problems in drilling of a borehole having a predetermined trajectory. Evaluations of the state of the borehole and local geological features are obtained which are based on the earth model. Real time data is used to create a diagnosis of the state of the borehole and local geological features. The evaluations are compared with a diagnosis to identify inconsistencies. A component of the earth model is identified that is both related to the identified inconsistency and has a high degree of uncertainty. The selected component of the earth model is then updated prior to completing construction of the borehole using the received data.
    • 一种实时更新地球模型的方法和系统。 通过使用钻井液有效密度和其他参数的实时测量更新相关的地球模型,可以提高构建油气井的效率。 该方法包括产生用于预测具有预定轨迹的钻孔中的潜在问题的地球模型。 获得了基于地球模型的井眼状态和局部地质特征的评估。 实时数据用于创建井眼状态和当地地质特征的诊断。 将评估与诊断进行比较以识别不一致。 确定地球模型的一个组成部分,与所识别的不一致有关,并且具有高度的不确定性。 然后在使用接收到的数据完成钻孔的构造之前更新地球模型的选定部件。