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1. 发明申请

US20060137873A1 Apparatus and method for formation evaluation 有权
标题翻译：地层评价装置及方法
公开(公告)号：US20060137873A1
公开(公告)日：2006-06-29
申请号：US11021849
申请日：2004-12-23
申请人： Derek Caudwell , Anthony Goodwin , Martin Trusler , Michael Frels , Kai Hsu , Jonathan Brown , Julian Pop , Bunker Hill , Andrew Kurkjian
发明人： Derek Caudwell , Anthony Goodwin , Martin Trusler , Michael Frels , Kai Hsu , Jonathan Brown , Julian Pop , Bunker Hill , Andrew Kurkjian
IPC分类号： E21B49/08
CPC分类号： G01N11/16 , E21B49/10
摘要： A viscometer for a down hole tool positionable in a well bore penetrating a subterranean formation is described. The formation contains at least one fluid therein. The down hole tool is adapted to convey at least a portion of the fluid to the viscometer. The viscometer comprises a sensor unit, and at least one magnet. The sensor unit is positionable within the down hole tool and comprises at least two spatially disposed clamps and a wire suspended in tension between the at least two clamps such that the wire is available for interaction with the fluid when the viscometer is positioned within the down hole tool and the down hole tool is positioned within the subterranean formation and receives the fluid from the subterranean formation.
摘要翻译：描述了一种位于穿透地层的井眼中的井下工具的粘度计。地层中含有至少一种流体。井下工具适于将至少一部分流体输送到粘度计。粘度计包括传感器单元和至少一个磁体。传感器单元可定位在井下工具内，并且包括至少两个空间设置的夹具和在至少两个夹子之间张紧地悬挂的线材，使得当粘度计位于下孔内时，该线材可用于与流体相互作用工具，井下工具位于地下地层内并从地下地层接收流体。

2. 发明授权

US07222671B2 Apparatus and method for formation evaluation 有权
标题翻译：地层评价装置及方法
公开(公告)号：US07222671B2
公开(公告)日：2007-05-29
申请号：US11021849
申请日：2004-12-23
申请人： Derek Caudwell , Anthony R. H. Goodwin , Martin Trusler , Michael W. Frels , Kai Hsu , Jonathan W. Brown , Julian J. Pop , Bunker M. Hill , Andrew L. Kurkjian
发明人： Derek Caudwell , Anthony R. H. Goodwin , Martin Trusler , Michael W. Frels , Kai Hsu , Jonathan W. Brown , Julian J. Pop , Bunker M. Hill , Andrew L. Kurkjian
IPC分类号： E21B49/10
CPC分类号： G01N11/16 , E21B49/10
摘要： A viscometer for a down hole tool positionable in a well bore penetrating a subterranean formation is described. The formation contains at least one fluid therein. The down hole tool is adapted to convey at least a portion of the fluid to the viscometer. The viscometer comprises a sensor unit, and at least one magnet. The sensor unit is positionable within the down hole tool and comprises at least two spatially disposed clamps and a wire suspended in tension between the at least two clamps such that the wire is available for interaction with the fluid when the viscometer is positioned within the down hole tool and the down hole tool is positioned within the subterranean formation and receives the fluid from the subterranean formation.
摘要翻译：描述了一种位于穿透地层的井眼中的井下工具的粘度计。地层中含有至少一种流体。井下工具适于将至少一部分流体输送到粘度计。粘度计包括传感器单元和至少一个磁体。传感器单元可定位在井下工具内，并且包括至少两个空间设置的夹具和在至少两个夹子之间张紧地悬挂的线，使得当粘度计位于下孔内时，线可用于与流体相互作用工具，井下工具位于地下地层内并从地下地层接收流体。

3. 发明授权

US09334729B2 Determining fluid composition downhole from optical spectra 有权
标题翻译：从光谱确定井下的流体组成
公开(公告)号：US09334729B2
公开(公告)日：2016-05-10
申请号：US13644772
申请日：2012-10-04
申请人： Kentaro Indo , Kai Hsu , Julian Pop
发明人： Kentaro Indo , Kai Hsu , Julian Pop
IPC分类号： G01F7/00 , E21B49/10
CPC分类号： E21B49/10 , E21B49/08
摘要： Obtaining in-situ optical spectral data associated with a formation fluid flowing through a downhole formation fluid sampling apparatus, and predicting a parameter of the formation fluid flowing through the downhole formation fluid sampling apparatus based on projection of the obtained spectral data onto a matrix that corresponds to a predominant fluid type of the formation fluid.
摘要翻译：获得与流经井下地层流体采样装置的地层流体相关联的原位光谱数据，以及基于所获得的光谱数据投影到相应的矩阵上，预测流经井下地层流体取样装置的地层流体的参数到地层流体的主要流体类型。

4. 发明授权

US07680600B2 Method, system and apparatus for formation tester data processing 有权
标题翻译：地层测试仪数据处理方法，系统和装置
公开(公告)号：US07680600B2
公开(公告)日：2010-03-16
申请号：US11828082
申请日：2007-07-25
申请人： Andrew Carnegie , Kai Hsu , Julian Pop
发明人： Andrew Carnegie , Kai Hsu , Julian Pop
IPC分类号： G06F17/00 , G06F17/40 , G06F19/00
CPC分类号： G01V1/48
摘要： A method for data processing includes transforming measurement data acquired in the time domain during an oilfield operation into a second domain to produce transformed data; identifying distortions in the transformed data; removing the distortions from the transformed data; and transforming back from the second domain to the time domain to produce cleaned-up data. The transforming measurement data may use a Fourier transform or a wavelet transform. The method may further include compressing the cleaned-up data or reconstructing signals from the cleaned-up data. A method for data processing includes decomposing measurement data, which are acquired in an oilfield operation, using a low pass filter to produce a first dataset; decomposing the measurement data using a high pass filter to produce a second dataset; removing distortions from the second dataset to yield a corrected second dataset; and reconstructing a corrected dataset from the first dataset and the corrected second dataset.
摘要翻译：一种用于数据处理的方法包括将在油田操作期间在时域获取的测量数据转换成第二域以产生变换数据; 识别变换数据中的扭曲; 从转换的数据中消除扭曲; 并从第二个域转换到时域以产生清理数据。变换测量数据可以使用傅里叶变换或小波变换。该方法还可以包括压缩清理数据或从清理数据重构信号。一种用于数据处理的方法包括使用低通滤波器分解在油田操作中获取的测量数据以产生第一数据集; 使用高通滤波器分解测量数据以产生第二数据集; 去除第二数据集的失真以产生校正的第二数据集; 以及从所述第一数据集和所述校正的第二数据集重构校正数据集。

5. 发明申请

US20140096955A1 DETERMINING FLUID COMPOSITION DOWNHOLE FROM OPTICAL SPECTRA 有权
标题翻译：从光学光谱测定流体组成物
公开(公告)号：US20140096955A1
公开(公告)日：2014-04-10
申请号：US13644772
申请日：2012-10-04
申请人： Kentaro Indo , Kai Hsu , Julian Pop
发明人： Kentaro Indo , Kai Hsu , Julian Pop
IPC分类号： E21B47/00
CPC分类号： E21B49/10 , E21B49/08
摘要： Obtaining in-situ optical spectral data associated with a formation fluid flowing through a downhole formation fluid sampling apparatus, and predicting a parameter of the formation fluid flowing through the downhole formation fluid sampling apparatus based on projection of the obtained spectral data onto a matrix that corresponds to a predominant fluid type of the formation fluid.
摘要翻译：获得与流经井下地层流体采样装置的地层流体相关联的原位光谱数据，以及基于所获得的光谱数据投影到相应的矩阵上，预测流经井下地层流体取样装置的地层流体的参数到地层流体的主要流体类型。

6. 发明申请

US20070119244A1 METHODS AND APPARATUS FOR THE DOWNHOLE CHARACTERIZATION OF FORMATION FLUIDS 有权
标题翻译：用于形成流体的井下特征的方法和装置
公开(公告)号：US20070119244A1
公开(公告)日：2007-05-31
申请号：US11615381
申请日：2006-12-22
申请人： Anthony Goodwin , Pete Hegeman , Kai Hsu , Chengli Dong
发明人： Anthony Goodwin , Pete Hegeman , Kai Hsu , Chengli Dong
IPC分类号： E21B49/08
CPC分类号： E21B47/10 , E21B49/08 , E21B49/10 , G01N1/12 , G01N7/00 , G01N9/36 , G01N25/04 , G01N33/2823
摘要： Methods and apparatus for investigating a hydrocarbon bearing geological formation traversed by a borehole are disclosed. An example method to characterize a fluid associated with an underground geological formation obtains a sample of the fluid associated with the underground geological formation. The example method measures, in a borehole associated with the underground geological formation, a chemical composition and a thermophysical property of the sample of the fluid. The example method selects a mathematical model to represent the sample of the fluid based on at least one of the chemical composition or the thermophysical property and adjusts a parameter of the mathematical model based on at least one of the chemical composition or the thermophysical property to generate an adjusted mathematical model. The example method then determines a property of the fluid associated with the underground geological formation based on the adjusted mathematical model.
摘要翻译：公开了用于研究由钻孔穿过的含烃地质地层的方法和装置。用于表征与地下地质构造有关的流体的示例性方法获得与地下地质构造相关联的流体的样本。示例性方法在与地下地质构造相关的钻孔中测量流体样品的化学成分和热物理性质。该示例性方法基于化学组成或热物理性质中的至少一个选择数学模型来表示流体的样本，并且基于化学组成或热物理性质中的至少一个来调整数学模型的参数以产生一个调整后的数学模型。然后，示例性方法基于经调整的数学模型确定与地下地质构造相关联的流体的性质。

7. 发明申请

US20110093200A1 METHODS AND APPARATUS TO DETERMINE PHASE-CHANGE PRESSURES 有权
标题翻译：确定相变压力的方法和装置
公开(公告)号：US20110093200A1
公开(公告)日：2011-04-21
申请号：US12582243
申请日：2009-10-20
申请人： Kai Hsu , Kentaro Indo , Peter S. Hegeman , Carsten Sonne
发明人： Kai Hsu , Kentaro Indo , Peter S. Hegeman , Carsten Sonne
IPC分类号： G01V5/04
CPC分类号： G01N33/2823 , E21B47/10 , E21B49/082 , G01N7/14
摘要： Example methods and apparatus to determine phase-change pressures are disclosed. A disclosed example method includes capturing a fluid in a chamber, pressurizing the fluid at a plurality of pressures, measuring a plurality of transmittances of a signal through the fluid at respective ones of the plurality of pressures, computing a first magnitude of a first subset of the plurality of transmittances, computing a second magnitude of a second subset of the plurality of transmittances, comparing the first and second magnitudes to determine a phase-change pressure for the fluid.
摘要翻译：公开了用于确定相变压力的示例性方法和装置。所公开的示例性方法包括捕获腔室中的流体，在多个压力下对流体加压，在多个压力中的相应压力下测量通过流体的信号的多个透射率，计算第一子集的第一子集所述多个透射率，计算所述多个透射率的第二子集的第二大小，比较所述第一和第二幅度以确定所述流体的相变压力。

8. 发明申请

US20110083842A1 METHODS AND APPARATUS FOR DOWNHOLE CHARACTERIZATION OF EMULSION STABILITY 有权
标题翻译：用于乳化稳定性的井下特征的方法和装置
公开(公告)号：US20110083842A1
公开(公告)日：2011-04-14
申请号：US12578425
申请日：2009-10-13
申请人： Kentaro Indo , Kai Hsu
发明人： Kentaro Indo , Kai Hsu
IPC分类号： E21B47/00 , G06F19/00
CPC分类号： G01N33/2823 , E21B49/10 , E21B2049/085 , G01N21/534
摘要： A method (and corresponding apparatus) for downhole fluid analysis of petroleum formation fluids. The method includes capturing in a chamber of a downhole tool at least two immiscible formation fluids in a generally segregated state (the fluids including petroleum), activating a fluid mixing means to mix the fluids in the chamber to create an emulsion therefrom, and allowing the emulsified fluids to segregate while measuring light transmittance through the segregating fluids in order to calculate a transition time period based on the light transmittance through the fluids in the chamber. The transition time period is preferably bounded by the time required for the light transmittance values measured by the light detector to reach a baseline light transmittance. The transition time period characterizes the stability of an emulsion formed by the captured fluids. The methods and apparatus can also be used for other fluid testing applications beyond downhole formation fluid testing.
摘要翻译：用于石油地层流体的井下流体分析的方法（和相应的装置）。该方法包括在井下工具的腔室中捕获处于大体分离状态的至少两种不混溶的地层流体（包括石油的流体），激活流体混合装置以混合室中的流体以从其中产生乳液，并允许乳化流体在通过分离流体测量透光率的同时分离，以便基于通过室中的流体的透光率来计算过渡时间段。过渡时间段优选地由光检测器测量的光透射率值达到基线透光率所需的时间限制。过渡时间表征由捕获的流体形成的乳液的稳定性。该方法和装置也可以用于井下地层流体测试之外的其他流体测试应用。

9. 发明授权

US07305306B2 System and methods of deriving fluid properties of downhole fluids and uncertainty thereof 有权
标题翻译：导出井下流体流体特性的系统和方法及其不确定性
公开(公告)号：US07305306B2
公开(公告)日：2007-12-04
申请号：US11132545
申请日：2005-05-19
申请人： Lalitha Venkataramanan , Go Fujisawa , Bhavani Raghuraman , Oliver Mullins , Andrew Carnegie , Ricardo Vasques , Chengli Dong , Kai Hsu , Michael O'Keefe , Henri-Pierre Valero
发明人： Lalitha Venkataramanan , Go Fujisawa , Bhavani Raghuraman , Oliver Mullins , Andrew Carnegie , Ricardo Vasques , Chengli Dong , Kai Hsu , Michael O'Keefe , Henri-Pierre Valero
IPC分类号： G01V8/02
CPC分类号： E21B49/00
摘要： Methods and systems are provided for downhole analysis of formation fluids by deriving fluid properties and associated uncertainty in the predicted fluid properties based on downhole data, and generating answer products of interest based on differences in the fluid properties. Measured data are used to compute levels of contamination in downhole fluids using an oil-base mud contamination monitoring (OCM) algorithm. Fluid properties are predicted for the fluids and uncertainties in predicted fluid properties are derived. A statistical framework is provided for comparing the fluids to generate, in real-time, robust answer products relating to the formation fluids and reservoirs thereof. Systematic errors in measured data are reduced or eliminated by preferred sampling procedures.
摘要翻译：提供了方法和系统，用于通过基于井下数据导出预测流体特性的流体性质和相关不确定性，并基于流体性质的差异产生感兴趣的产品，从而对地层流体进行井下分析。测量数据用于使用油基泥浆污染监测（OCM）算法计算井下流体中的污染水平。预测流体的流体性质，并推导出预测的流体性质的不确定性。提供了一种统计框架，用于比较流体，实时地产生与地层流体及其储层相关的鲁棒答案产品。通过优选的采样程序减少或消除了测量数据中的系统误差。

10. 发明申请

US20060091307A1 Method and apparatus for downhole spectroscopy processing 有权
标题翻译：用于井下光谱处理的方法和装置
公开(公告)号：US20060091307A1
公开(公告)日：2006-05-04
申请号：US10541091
申请日：2003-11-21
申请人： Roger Griffiths , Jack Horkowitz , Kai Hsu
发明人： Roger Griffiths , Jack Horkowitz , Kai Hsu
IPC分类号： G01V5/00
CPC分类号： G01V5/045
摘要： A method for downhole spectroscopy processing is described. The method includes: obtaining raw spectroscopy data using a downhole tool; processing the raw spectroscopy data using the downhole tool to obtain a downhole processed solution; transmitting the downhole processed solution to a surface processing system; and using the surface processing system to determine lithology information from the downhole processed solution. A downhole tool for processing raw spectroscopy data is also described. The tool includes: a neutron source; at least one detector for detecting the raw spectroscopy data; processing means for processing the raw spectroscopy data to produce a downhole processed solution; and means for transmitting the downhole processed solution to a surface location.
摘要翻译：描述了井下光谱处理的方法。该方法包括：使用井下工具获得原始光谱数据; 使用井下工具处理原始光谱数据以获得井下处理溶液; 将井下处理的溶液传送到表面处理系统; 并使用表面处理系统从井下处理溶液中确定岩性信息。还描述了用于处理原始光谱数据的井下工具。该工具包括：中子源; 用于检测原始光谱数据的至少一个检测器; 用于处理原始光谱数据以产生井下处理溶液的处理装置; 以及用于将井下处理的溶液传送到表面位置的装置。

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