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1. 发明申请

US20220236443A1 ADAPTIVE REAL-TIME NUCLEAR MAGNETIC RESONANCE LOGGING FOR SUBSURFACE OPERATIONS 有权
公开(公告)号：US20220236443A1
公开(公告)日：2022-07-28
申请号：US17155497
申请日：2021-01-22
申请人： Carl Edwards , Marc Ramirez , Otto Fanini , Stanislav Forgang , Ryan Rocheleau
发明人： Carl Edwards , Marc Ramirez , Otto Fanini , Stanislav Forgang , Ryan Rocheleau
IPC分类号： G01V3/32 , G01V3/38 , G01N24/08 , G01R33/50
摘要： Methods and logging systems for performing nuclear magnetic resonance (NMR) logging in downhole operations are described. The methods include performing a scout logging acquisition operation using an NMR logging tool to determine NMR logging parameters of a formation interval, setting an NMR logging acquisition mode based on the NMR logging parameters from the scout logging acquisition operation, and performing an NMR data logging operation to determine properties of the formation interval based on the set NMR logging acquisition mode.

2. 发明授权

US11550076B2 Adaptive real-time nuclear magnetic resonance logging for subsurface operations 有权
公开(公告)号：US11550076B2
公开(公告)日：2023-01-10
申请号：US17155497
申请日：2021-01-22
申请人： Carl Edwards , Marc Ramirez , Otto Fanini , Stanislav Forgang , Ryan Rocheleau
发明人： Carl Edwards , Marc Ramirez , Otto Fanini , Stanislav Forgang , Ryan Rocheleau
IPC分类号： G01V3/32 , G01R33/50 , G01N24/08 , G01V3/38
摘要： Methods and logging systems for performing nuclear magnetic resonance (NMR) logging in downhole operations are described. The methods include performing a scout logging acquisition operation using an NMR logging tool to determine NMR logging parameters of a formation interval, setting an NMR logging acquisition mode based on the NMR logging parameters from the scout logging acquisition operation, and performing an NMR data logging operation to determine properties of the formation interval based on the set NMR logging acquisition mode.

3. 发明申请

US20220075090A1 THROUGH-BIT RECONFIGURABLE NMR LOGGING TOOL 有权
公开(公告)号：US20220075090A1
公开(公告)日：2022-03-10
申请号：US17015872
申请日：2020-09-09
申请人： Carl M. Edwards , Marc Stephen Ramirez , Otto Fanini , Stanislav Forgang
发明人： Carl M. Edwards , Marc Stephen Ramirez , Otto Fanini , Stanislav Forgang
IPC分类号： G01V3/32 , G01R33/38 , G01R33/383 , G01R33/36 , G01R33/34
摘要： An apparatus for performing a nuclear magnetic resonance (NMR) measurement in a borehole penetrating a subsurface formation includes an NMR tool having an outside diameter that is less than an inside diameter of a drill tubular disposed in the borehole, the drill tubular having an opening at the distal end of the drill tubular leading into the borehole, and a retaining device configured to allow at least a section of the NMR tool to protrude through the opening of the drill tubular and prevent an unrestrained release of the NMR tool through the opening. The apparatus also includes a transmitter antenna and a receiver antenna coupled to the NMR tool, wherein the transmitter antenna and/or the receiver antenna are extendable from the NMR tool.

4. 发明申请

US20070257679A1 Method and Apparatus for a Multi-component Induction Instrument Measuring System for Geosteering and Formation Resistivity Data Interpretation in Horizontal, Vertical and Deviated Wells 有权
标题翻译：用于水平，垂直和偏斜井的地质导向和形成电阻率数据解释的多组分感应仪器测量系统的方法和装置
公开(公告)号：US20070257679A1
公开(公告)日：2007-11-08
申请号：US11780364
申请日：2007-07-19
申请人： Otto Fanini , Stanislav Forgang , Berthold Kriegshauser , Liming Yu
发明人： Otto Fanini , Stanislav Forgang , Berthold Kriegshauser , Liming Yu
IPC分类号： G01V3/00 , G01V3/12
CPC分类号： G01V3/28
摘要： An improved induction tool for formation resistivity evaluations. The tool provides electromagnetic transmitters and sensors suitable for transmitting and receiving magnetic fields in radial directions that are orthogonal to the tool's longitudinal axis with minimal susceptibility to errors associated with parasitic eddy currents induced in the metal components surrounding the transmitter and receiver coils. Various transmitter receiver combinations are provided to select sensitivity to a desired reservoir formation properties, for example, different orientations xy, xz, yz, 20-40, 20-90, and combinations, such as, Symmetric-symmetric; Asymmetric-symmetric; and Asymmetric-asymmetric. Measurements made with a multi-component logging instrument when used in a substantially horizontal, vertical or deviated borehole in earth formations are diagnostic of the direction of resistive beds relative to the position of the borehole. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b)
摘要翻译：改进的地层电阻率评估感应工具。该工具提供电磁发射器和传感器，适用于在与工具的纵向轴线正交的径向方向上发射和接收磁场，对与发射器和接收器线圈周围的金属部件中感应的寄生涡流有关的误差的影响最小。提供各种发射器接收器组合以选择对期望的储层形成性质的灵敏度，例如不同取向xy，xz，yz，20-40,20-90以及诸如对称对称的组合; 不对称; 和非对称不对称。使用多组分测井仪器在地层中基本上水平，垂直或偏斜的钻孔中进行的测量是电阻床相对于钻孔位置的方向的诊断。要强调的是，该摘要被提供以符合要求摘要的规则，这将允许搜索者或其他读者快速确定技术公开的主题。提交它的理解是，它不会用于解释或限制权利要求的范围或含义。 37 CFR 1.72（b）

5. 发明申请

US20070205770A1 Method and Apparatus for Internal Calibration in Induction Logging Instruments 有权
标题翻译：感应测井仪器内部校准方法与装置
公开(公告)号：US20070205770A1
公开(公告)日：2007-09-06
申请号：US11685271
申请日：2007-03-13
申请人： Otto Fanini , Stanislav Forgang , Michael Crosskno
发明人： Otto Fanini , Stanislav Forgang , Michael Crosskno
IPC分类号： G01V3/28
CPC分类号： G01V3/28
摘要： The present invention improves measurement of the formation induction response in the presence of the primary magnetic field generated by a logging tool's transmitter. A structure is provided having a new combination of electrical and mechanical design features which provide logging tool for internal calibration and checking of antenna performance and characteristics before during and after well logging operations.
摘要翻译：本发明在由测井工具的发射器产生的初级磁场存在的情况下改进了地层感应响应的测量。提供了具有电气和机械设计特征的新组合的结构，其提供用于内部校准的测井工具以及在测井操作期间和之后检查天线性能和特性。

6. 发明授权

US11460600B2 Through-bit reconfigurable NMR logging tool 有权
公开(公告)号：US11460600B2
公开(公告)日：2022-10-04
申请号：US17015872
申请日：2020-09-09
申请人： Carl M. Edwards , Marc Stephen Ramirez , Otto Fanini , Stanislav Forgang
发明人： Carl M. Edwards , Marc Stephen Ramirez , Otto Fanini , Stanislav Forgang
IPC分类号： G01V3/32 , G01R33/38 , G01R33/34 , G01R33/36 , G01R33/383
摘要： An apparatus for performing a nuclear magnetic resonance (NMR) measurement in a borehole penetrating a subsurface formation includes an NMR tool having an outside diameter that is less than an inside diameter of a drill tubular disposed in the borehole, the drill tubular having an opening at the distal end of the drill tubular leading into the borehole, and a retaining device configured to allow at least a section of the NMR tool to protrude through the opening of the drill tubular and prevent an unrestrained release of the NMR tool through the opening. The apparatus also includes a transmitter antenna and a receiver antenna coupled to the NMR tool, wherein the transmitter antenna and/or the receiver antenna are extendable from the NMR tool.

7. 发明申请

US20080088313A1 Method and Apparatus for Combined Induction and Imaging Well Logging 有权
标题翻译：用于组合感应和成像测井的方法和装置
公开(公告)号：US20080088313A1
公开(公告)日：2008-04-17
申请号：US11855329
申请日：2007-09-14
申请人： Stanislav Forgang , Randy Gold , Otto Fanini , Michael Crosskno
发明人： Stanislav Forgang , Randy Gold , Otto Fanini , Michael Crosskno
IPC分类号： G01V3/28 , G06F19/00
CPC分类号： G01V3/265 , G01V3/24
摘要： An induction logging device is provided with additional electrodes. One set of electrodes provides voltages that are indicative of the current distribution in the borehole. The output of the first set of electrodes may be used for estimating formation resistivity. A second set of electrodes may be used to provide an image of the formation. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
摘要翻译：感应测井装置设有附加电极。一组电极提供指示钻孔中的电流分布的电压。第一组电极的输出可用于估计地层电阻率。可以使用第二组电极来提供地层的图像。要强调的是，该摘要被提供以符合要求摘要的规则，这将允许搜索者或其他读者快速确定技术公开的主题。提交它的理解是，它不会用于解释或限制权利要求的范围或含义。

8. 发明申请

US20050030037A1 Method and apparatus for internal calibration in induction logging instruments 有权
标题翻译：感应测井仪器内部校准的方法和装置
公开(公告)号：US20050030037A1
公开(公告)日：2005-02-10
申请号：US10867620
申请日：2004-06-15
申请人： Otto Fanini , Stanislav Forgang , Michael Crosskno
发明人： Otto Fanini , Stanislav Forgang , Michael Crosskno
IPC分类号： G01V3/28 , G01V3/10
CPC分类号： G01V3/28 , G01V13/00
摘要： The present invention improves measurement of the formation induction response in the presence of the primary magnetic field generated by a logging tool's transmitter. In a exemplary embodiment of the present invention, a structure is provided having a new combination of electrical and mechanical design features which provide logging tool for internal calibration and checking of antenna performance and characteristics before during and after well logging operations. In one aspect of the invention a logging tool is provided comprising a verification winding for coupling a verification signal into the receiver coil.
摘要翻译：本发明在由测井工具的发射器产生的初级磁场存在的情况下改进了地层感应响应的测量。在本发明的示例性实施例中，提供了具有电气和机械设计特征的新组合的结构，其提供用于内部校准的测井工具以及在测井操作期间和之后检查天线性能和特性。在本发明的一个方面，提供测井工具，其包括用于将验证信号耦合到接收器线圈中的验证线圈。

9. 发明申请

US20220413178A1 EFFICIENT DAMPED PULSED ENERGY TRANSMITTER 有权
公开(公告)号：US20220413178A1
公开(公告)日：2022-12-29
申请号：US17356992
申请日：2021-06-24
申请人： Stanislav Forgang , Ryan Rocheleau , Marc Stephen Ramirez , Youssef Boulaknadal
发明人： Stanislav Forgang , Ryan Rocheleau , Marc Stephen Ramirez , Youssef Boulaknadal
IPC分类号： G01V3/32 , G01N24/08 , E21B47/20 , E21B47/13
摘要： A device for generating oscillating signals includes an energy transfer device configured to apply an oscillating signal to a sensitive volume, and a resonant tuning circuit including the energy transfer device. The tuning circuit includes a tuning capacitor configured to cause the tuning circuit to resonate at a selected frequency, and an energy storage device. The transmitting device also includes a controller configured to apply a pulse sequence to the tuning circuit having a series of pulses, the energy storage device configured to retain electrical energy at an end of a first pulse, and discharge the electrical energy to the tuning circuit at an onset of a next pulse of the pulse sequence.

10. 发明授权

US11619760B2 Efficient damped pulsed energy transmitter 有权
公开(公告)号：US11619760B2
公开(公告)日：2023-04-04
申请号：US17356992
申请日：2021-06-24
申请人： Youssef Boulaknadal , Stanislav Forgang , Ryan Rocheleau , Marc Stephen Ramirez
发明人： Youssef Boulaknadal , Stanislav Forgang , Ryan Rocheleau , Marc Stephen Ramirez
IPC分类号： G01V3/32 , E21B47/13 , E21B47/20 , G01N24/08
摘要： A device for generating oscillating signals includes an energy transfer device configured to apply an oscillating signal to a sensitive volume, and a resonant tuning circuit including the energy transfer device. The tuning circuit includes a tuning capacitor configured to cause the tuning circuit to resonate at a selected frequency, and an energy storage device. The transmitting device also includes a controller configured to apply a pulse sequence to the tuning circuit having a series of pulses, the energy storage device configured to retain electrical energy at an end of a first pulse, and discharge the electrical energy to the tuning circuit at an onset of a next pulse of the pulse sequence.

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