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31. 发明授权

US08981958B2 Electric field communication for short range data transmission in a borehole 有权
公开(公告)号：US08981958B2
公开(公告)日：2015-03-17
申请号：US13567862
申请日：2012-08-06
申请人： Timothy M. Price , Donald H. Van Steenwyk , Harold T. Buscher
发明人： Timothy M. Price , Donald H. Van Steenwyk , Harold T. Buscher
IPC分类号： G01V3/00 , E21B47/12 , E21B17/02 , E21B47/14
CPC分类号： E21B47/122 , E21B17/028 , E21B47/14
摘要： The present invention concerns application of a unique conductive electrode geometry used to form an efficient wideband, one- or two-way wireless data link between autonomous systems separated by some distance along a bore hole drill string. One objective is the establishment of an efficient, high bandwidth communication link between such separated systems, using a unique electrode configuration that also aids in maintaining a physically robust drill string. Insulated or floating electrodes of various selected geometries provide a means for sustaining or maintaining a modulated electric potential adapted for injecting modulated electrical current into the surrounding sub-surface medium. Such modulated current conveys information to the systems located along the drill string by establishing a potential across a receiving insulated or floating electrode.

32. 发明申请

US20140102795A1 Attitude Reference for Tieback/Overlap Processing 有权
标题翻译： Tieback /重叠处理的态度参考
公开(公告)号：US20140102795A1
公开(公告)日：2014-04-17
申请号：US14052000
申请日：2013-10-11
申请人： Scientific Drilling International, Inc.
发明人： Brett VanSteenwyk
IPC分类号： E21B44/00 , E21B7/04
CPC分类号： E21B47/024 , E21B7/04 , E21B44/00 , E21B47/02216 , G01C5/00 , G01V3/081 , G01V9/00
摘要： A method for calculating orientation changes within a borehole using a gyro sensor to detect angular deflection rates in an attitude reference interval as a MWD system is moved from a first to a second location within the borehole. A compass shot may be taken at one or more of the first and second locations using a magnetometer and accelerometer or gyro sensor and accelerometer. Tieback and/or overlap processing may be applied to increase the accuracy of measured orientation within the borehole. Additionally, tieback and/or overlap processing may be applied to adjust sensor model parameters in response to discrepancies between calculated and measured locations. Iterated calculations of orientation change between subsequent intervals may allow MWD orientation to be computed for an entire drilling operation using only a single compass shot.
摘要翻译：使用陀螺仪传感器来计算钻孔内的取向变化的方法，用于检测作为MWD系统的姿态参考间隔中的角度偏转率，从井眼中的第一位置移动到第二位置。可以使用磁力计和加速度计或陀螺仪传感器和加速度计在一个或多个第一和第二位置拍摄罗盘。可以应用牵引和/或重叠处理以增加钻孔内的测量取向的准确度。此外，可以应用回引和/或重叠处理以响应于计算和测量位置之间的差异来调整传感器模型参数。随后的间隔之间的取向变化的迭代计算可以允许仅使用单个罗盘镜头来进行整个钻孔操作的MWD取向。

33. 发明授权

US08258976B2 Electric field communication for short range data transmission in a borehole 有权
标题翻译：用于井眼短距离数据传输的电场通信
公开(公告)号：US08258976B2
公开(公告)日：2012-09-04
申请号：US12378514
申请日：2009-02-17
申请人： Timothy M. Price , Donald H. Van Steenwyk , Harold T Buscher
发明人： Timothy M. Price , Donald H. Van Steenwyk , Harold T Buscher
IPC分类号： G01V3/00
CPC分类号： E21B47/122 , E21B17/028 , E21B47/14
摘要： The present invention concerns application of a unique conductive electrode geometry used to form an efficient wideband, one- or two-way wireless data link between autonomous systems separated by some distance along a bore hole drill string. One objective is the establishment of an efficient, high bandwidth communication link between such separated systems, using a unique electrode configuration that also aids in maintaining a physically robust drill string. Insulated or floating electrodes of various selected geometries provide a means for sustaining or maintaining a modulated electric potential adapted for injecting modulated electrical current into the surrounding sub-surface medium. Such modulated current conveys information to the systems located along the drill string by establishing a potential across a receiving insulated or floating electrode.
摘要翻译：本发明涉及用于在沿着钻孔钻柱分开一定距离的自主系统之间形成有效的宽带，单向或双向无线数据链路的独特导电电极几何形状的应用。一个目标是在这种分离的系统之间建立有效的高带宽通信链路，使用独特的电极配置，其也有助于维持物理上坚固的钻柱。各种选定几何形状的绝缘或浮动电极提供维持或保持适于将调制的电流注入到周围的子表面介质中的调制电位的装置。这种调制电流通过在接收绝缘或浮置电极上建立电位将信息传送到沿着钻柱定位的系统。

34. 发明授权

US11448288B2 Leaf spring rotational vibration absorber 有权
公开(公告)号：US11448288B2
公开(公告)日：2022-09-20
申请号：US17128033
申请日：2020-12-19
申请人： Scientific Drilling International, Inc.
发明人： Mario Simanowski , Carsten Freyer
IPC分类号： E21B17/04 , F16F15/121 , F16F15/167
摘要： A vibration damping device for use with a downhole tool having a tool axis and a drill string component (DSC), may comprise an inertia ring rotatably mounted on the DSC and including at least one cutout defining a chamber therein such that the DSC forms an end wall of the chamber, and a leaf spring disposed in the chamber, the leaf spring having first and second spring ends, the first end being attached to the inertia ring or the DSC such that relative rotation between the inertia ring and the DSC distorts the leaf spring. The second spring end may engage the other of the inertia ring or the DSC. A fluid may be included in the chamber and the spring may divide the chamber into two portions, so that relative rotation between the inertia ring and the DSC distorts the leaf spring and varies the volumes of the portions.

35. 发明授权

US11411298B2 Lower electrode extension for sub-surface electromagnetic telemetry system 有权
公开(公告)号：US11411298B2
公开(公告)日：2022-08-09
申请号：US17472612
申请日：2021-09-11
申请人： Scientific Drilling International, Inc.
发明人： Matthew A. White , Brett Van Steenwyk
IPC分类号： H01Q1/22 , E21B47/13 , H01Q1/10 , H01Q3/34
摘要： An extended dipole antenna for an uplink transmitter positioned in a wellbore includes an electromagnetic telemetry system interface sub, wired or lined drill pipe segment, and upper dipole terminating sub. The electromagnetic telemetry interface sub includes an outer tubular in electrical contact with a negative output of the uplink transmitter and an inner conductor in electric contact with a positive output of the uplink transmitter. The wired or lined drill pipe segment includes an outer tubular in electrical contact with the outer tubular of the electromagnetic telemetry interface sub and an inner conductor in electric contact with the inner conductor of the electromagnetic telemetry system interface sub. The upper dipole terminating sub including an outer tubular at least partially in electric contact with the outer tubular of the wired or lined drill pipe segment and an inner conductor in electric contact with the inner conductor of the wired or lined drill pipe segment. The upper dipole terminating sub includes an electrical connection between the inner conductor of the upper dipole terminating sub and the inner conductor of the upper dipole terminating sub.

36. 发明申请

US20220196110A1 LEAF SPRING ROTATIONAL VIBRATION ABSORBER 有权
公开(公告)号：US20220196110A1
公开(公告)日：2022-06-23
申请号：US17128033
申请日：2020-12-19
申请人： Scientific Drilling International, Inc.
发明人： Mario SIMANOWSKI , Carsten FREYER
IPC分类号： F16F15/121 , F16F15/167 , E21B17/04
摘要： A vibration damping device for use with a downhole tool having a tool axis and a drill string component (DSC), may comprise an inertia ring rotatably mounted on the DSC and including at least one cutout defining a chamber therein such that the DSC forms an end wall of the chamber, and a leaf spring disposed in the chamber, the leaf spring having first and second spring ends, the first end being attached to the inertia ring or the DSC such that relative rotation between the inertia ring and the DSC distorts the leaf spring. The second spring end may engage the other of the inertia ring or the DSC. A fluid may be included in the chamber and the spring may divide the chamber into two portions, so that relative rotation between the inertia ring and the DSC distorts the leaf spring and varies the volumes of the portions.

37. 发明授权

US11243323B2 Buried wellbore location from surface magnetic measurements 有权
公开(公告)号：US11243323B2
公开(公告)日：2022-02-08
申请号：US16525109
申请日：2019-07-29
申请人： Scientific Drilling International, Inc.
发明人： Clinton Moss , Douglas Ridgway
IPC分类号： G01V3/08 , G01V3/38 , E21B47/092
摘要： A method for locating a buried casing stub may comprise a) identifying a target region, b) providing at each of a plurality of survey points in the target region a casing stub locator that includes a vector magnetometer, c) measuring the magnetic field at each of the survey points using the vector magnetometer so as to generate a plurality of magnetic field measurements, d) using the magnetic field measurements to generate a model of the magnetic field of the target region, e) fitting the model generated in step d) to a selected model of a magnetic anomaly created by the casing stub so as to generate model fit information (MFI), and f) locating the casing stub using the MFI. At each survey point, an expected Earth magnetic field can be subtracted from the measured magnetic field. A total station can measure the position and/or the azimuth of the package.

38. 发明授权

US11204430B2 Methods for gain stabilization of gamma ray measurements 有权
公开(公告)号：US11204430B2
公开(公告)日：2021-12-21
申请号：US17081385
申请日：2020-10-27
申请人： Scientific Drilling International, Inc.
发明人： Medhat Mickael
IPC分类号： G01V5/00 , G01T1/17 , G01V5/12 , G01T7/00
摘要： A method for adjusting a gain of a gamma detector comprises detecting gamma radiation using the detector, recording the detected radiation as count rates in channels, wherein the last channel accumulates all counts above the maximum recorded energy; comparing the last channel count rate (LCCR) to a threshold X and, if LCCR>X, decreasing the gain by a preset amount Y. If LCCR≤X, establishing a first estimate of a needed voltage HV1 using tool temperature and a temperature lookup table, and establishing a second estimate of a needed voltage HV2 using a backscatter peak value and a backscatter lookup table; comparing |HV1−HV2| to a threshold Z; if |HV1−HV2|

39. 发明授权

US10591636B2 Method for improving survey measurement density along a borehole 有权
公开(公告)号：US10591636B2
公开(公告)日：2020-03-17
申请号：US15476107
申请日：2017-03-31
申请人： Scientific Drilling International, Inc.
发明人： Marc Willerth , Benjamin C. Hawkinson , Brian D. Gleason
IPC分类号： E21B44/00 , E21B19/00 , G01V11/00 , E21B47/024
摘要： A method may include providing a drill string positioned in a wellbore including a measurement tool. The method may include taking a measurement with the measurement tool at a first location; coupling a pipe stand including a first selected number of tubular segments to the drill string, the first selected number being two or more; lowering or advancing the drill string into the wellbore the length of the pipe stand; taking a measurement with the measurement tool at a second location; raising the drill string the length of a tubular segment; removing a second selected number of tubular segments from the drill string; taking a measurement with the measurement tool at a third location; raising the drill string the length of the first selected number of tubular segments; removing the first selected number of tubular segments; and taking a measurement with the measurement tool at a fourth location.

40. 发明授权

US10539009B2 Short range data transmission in a borehole 有权
公开(公告)号：US10539009B2
公开(公告)日：2020-01-21
申请号：US13572338
申请日：2012-08-10
申请人： Stephan Graf , Matthew A. White
发明人： Stephan Graf , Matthew A. White
IPC分类号： G01V3/00 , E21B47/12
摘要： The present disclosure is directed to an antenna for transfer of information along a drill string. The antenna has an antenna coil having a long side and short side. The antenna coil is adapted to be affixed to the drill string such that the long side of the antenna coil is along the longitudinal axis of the drill string, and the short side is perpendicular to the longitudinal axis of the drill string.

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