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1. 发明申请

WO2013022725A2 REALTIME DOGLEG SEVERITY PREDICTION 审中-公开
标题翻译：实时狗的严重预测
公开(公告)号：WO2013022725A2
公开(公告)日：2013-02-14
申请号：PCT/US2012/049430
申请日：2012-08-03
申请人： BAKER HUGHES INCORPORATED , SCHUBERTH, Frank , RECKMANN, Hanno , MACPHERSON, John D. , HOOD, James Albert
发明人： SCHUBERTH, Frank , RECKMANN, Hanno , MACPHERSON, John D. , HOOD, James Albert
IPC分类号： E21B47/02 , E21B47/022 , G01V3/18
CPC分类号： E21B47/022
摘要： A method for estimating an inclination and azimuth at a bottom of a borehole includes forming a last survey point including a last inclination and a last azimuth; receiving at a computing device bending moment and at least one of a bending toolface measurement and a near bit inclination measurement from one or more sensors in the borehole; and forming the estimate by comparing possible dogleg severity (DLS) values with the bending moment value.
摘要翻译：用于估计钻孔底部的倾角和方位角的方法包括：形成包括最后倾角和最后方位角的最后的勘测点; 在计算设备处接收来自钻孔中的一个或多个传感器的弯曲力矩以及弯曲工具面测量和近位倾斜测量中的至少一个; 并通过比较可能的狗腿严重度（DLS）值与弯矩值来形成估算。

2. 发明申请

WO2013043682A2 SYSTEM AND METHOD FOR CORRECTION OF DOWNHOLE MEASUREMENTS 审中-公开
标题翻译：用于校正井下测量的系统和方法
公开(公告)号：WO2013043682A2
公开(公告)日：2013-03-28
申请号：PCT/US2012/056048
申请日：2012-09-19
申请人： BAKER HUGHES INCORPORATED , SCHUBERTH, Frank , HARTMANN, Andreas , MAURER, Hans-Martin , RECKMANN, Hanno
发明人： SCHUBERTH, Frank , HARTMANN, Andreas , MAURER, Hans-Martin , RECKMANN, Hanno
IPC分类号： E21B47/08 , E21B47/09 , E21B47/01
CPC分类号： E21B47/00 , G01V11/00 , G01V11/005
摘要： A system for estimating downhole parameters includes: at least one parameter sensor disposed along a downhole component and configured to measure a parameter of one or more of a borehole and an earth formation and generate parameter data; and a processor in operable communication with the at least one parameter sensor, the processor configured to receive the parameter data and deformation data relating to deformation of the downhole component. The processor is configured to: generate a mathematical model of the downhole component deformation in real time based on pre-selected geometrical data representing the downhole component and the received deformation data; estimate, in real time, an alignment of the at least one parameter sensor relative to at least one of another parameter sensor and a desired alignment; and in response to estimating a misalignment of the at least one parameter sensor, correct the parameter data based on the misalignment.
摘要翻译：一种用于估计井下参数的系统包括：至少一个参数传感器，其沿着井下部件设置并被配置成测量钻孔和地层中的一个或多个的参数并产生参数数据; 以及处理器，其与所述至少一个参数传感器可操作地通信，所述处理器被配置为接收与所述井下部件的变形相关的参数数据和变形数据。处理器被配置为：基于表示井下部件和接收到的变形数据的预先选择的几何数据，实时生成井下部件变形的数学模型; 实时估计所述至少一个参数传感器相对于另一参数传感器和期望对准中的至少一个的对准; 并且响应于估计所述至少一个参数传感器的未对准，基于所述未对准来校正所述参数数据。

3. 发明申请

WO2013032863A1 MODELING AND SIMULATION OF COMPLETE DRILL STRINGS 审中-公开
标题翻译：完整的钻杆的建模与仿真
公开(公告)号：WO2013032863A1
公开(公告)日：2013-03-07
申请号：PCT/US2012/052082
申请日：2012-08-23
申请人： BAKER HUGHES INCORPORATED , HERBIG, Christian , RECKMANN, Hanno , MEYER-HEYE, Bernhard , SCHUBERTH, Frank , EL HAKAM, Carmel Zouheir , HANSON, Jonathan Mackey , SPENCER, Reed W. , JAIN, Jayesh Rameshlal
发明人： HERBIG, Christian , RECKMANN, Hanno , MEYER-HEYE, Bernhard , SCHUBERTH, Frank , EL HAKAM, Carmel Zouheir , HANSON, Jonathan Mackey , SPENCER, Reed W. , JAIN, Jayesh Rameshlal
IPC分类号： E21B44/00 , G09B9/00
CPC分类号： E21B44/00 , E21B47/12 , G01V99/005 , G01V2210/66 , G06F17/30241 , G06T17/05
摘要： A method of predicting behavior of a drilling assembly includes: generating a mathematical representation of a geometry of each of a plurality of components of a drilling assembly, the plurality of components including a plurality of cutters and one or more additional components configured to at least one of: support the plurality of cutters and operably connect the plurality of cutters to the drill string, the one or more additional components including a drill bit crown; simulating one or more operating conditions incident on the drilling assembly representation, and simulating an interaction between the plurality of components and an earth formation; and predicting physical responses of the drilling assembly representation to the one or more conditions.
摘要翻译：一种预测钻井组件的行为的方法包括：产生钻井组件的多个部件中的每一个的几何形状的数学表示，所述多个部件包括多个切割器和一个或多个附加部件，其被配置为至少一个支撑多个切割器并将多个切割器可操作地连接到钻柱，所述一个或多个附加部件包括钻头牙冠; 模拟入射在钻井组件表示上的一个或多个操作条件，以及模拟所述多个部件与地层之间的相互作用; 以及预测钻井组件表示物理响应到一个或多个条件。

4. 发明申请

WO2014130654A1 ALTERNATING FREQUENCY TIME DOMAIN APPROACH TO CALCULATE THE FORCED RESPONSE OF DRILL STRINGS 审中-公开
标题翻译：替代频率时域方法计算钻杆强度的响应
公开(公告)号：WO2014130654A1
公开(公告)日：2014-08-28
申请号：PCT/US2014/017361
申请日：2014-02-20
申请人： BAKER HUGHES INCORPORATED
发明人： HOHL, Andreas , SCHUBERTH, Frank , RECKMANN, Hanno
IPC分类号： E21B44/02 , E21B47/12
CPC分类号： E21B17/00
摘要： Method for estimating a steady state response of a drill string in a borehole includes calculating a first displacement of the drill string in a frequency domain for a first excitation force frequency and a number of multiples of this frequency using an equation of motion of the drill string. The equation of motion has a static force component, an excitation force component, and a non-linear force component with respect to at least one of deflection and a derivative of deflection of the drill string. The method further includes: transforming the first displacement from the frequency domain into a time domain; calculating a non-linear force in the time domain; calculating a frequency domain coefficient derived from the calculated nonlinear force in the time domain; and calculating a second displacement of the drill string in the frequency domain using the equation of motion and the frequency domain coefficient.
摘要翻译：用于估计钻柱在井眼中的稳态响应的方法包括使用钻柱的运动方程来计算钻柱在第一激励频率和频率的倍数的频域中的第一位移。相对于钻柱的偏转和偏转的导数中的至少一个，运动方程具有静力分量，激励力分量和非线性力分量。该方法还包括：将第一位移从频域变换为时域; 计算时域中的非线性力; 计算从时域中计算的非线性力导出的频域系数; 以及使用运动方程和频域系数计算所述钻柱在频域中的第二位移。

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