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1. 发明授权

US09903200B2 Viscosity measurement in a fluid analyzer sampling tool 有权
公开(公告)号：US09903200B2
公开(公告)日：2018-02-27
申请号：US13550661
申请日：2012-07-17
申请人： Stefan Sroka , Thomas Kruspe , Peter Schaefer
发明人： Stefan Sroka , Thomas Kruspe , Peter Schaefer
IPC分类号： E21B47/08 , E21B49/08
CPC分类号： E21B49/08
摘要： An apparatus for estimating a viscosity or density of a fluid downhole includes a carrier configured to be conveyed through a borehole penetrating the earth. A pump is disposed at the carrier and configured to pump the fluid. A flow restriction element is configured to receive a flow of the fluid pumped by the pump and to reduce pressure of the fluid flowing through the flow restriction element. A sensor is configured to measure a differential pressure across the flow restriction element and to provide an output that is used to estimate the viscosity or density.

2. 发明授权

US09062532B2 Electromagnetic viscosity sensor 有权
标题翻译：电磁粘度传感器
公开(公告)号：US09062532B2
公开(公告)日：2015-06-23
申请号：US13412801
申请日：2012-03-06
申请人： Thomas Kruspe , Stefan Sroka
发明人： Thomas Kruspe , Stefan Sroka
IPC分类号： E21B47/00 , G01N11/16 , E21B47/09 , G01N11/00
CPC分类号： E21B47/0905 , E21B47/0002 , G01N11/16 , G01N2011/0086
摘要： An apparatus for estimating a property of a downhole fluid includes: a flexural mechanical resonator having at least one magnetic permeable element traversing a pressure-retaining wall with a portion of the magnetic permeable element protruding into the fluid, the portion of the magnetic permeable element protruding into the fluid being configured to oscillate; and a monitor for receiving a response of the flexural mechanical resonator to estimate the property.
摘要翻译：一种用于估计井下流体性质的装置包括：弯曲机械共振器，其具有至少一个穿过压力保持壁的磁性可渗透元件，其中所述磁性可渗透元件的一部分突出到流体中，所述可渗透元件的所述部分突出进入被配置为振荡的流体; 以及用于接收弯曲机械谐振器的响应以估计该性能的监视器。

3. 发明申请

US20120227483A1 ELECTROMAGNETIC VISCOSITY SENSOR 有权
标题翻译：电磁粘度传感器
公开(公告)号：US20120227483A1
公开(公告)日：2012-09-13
申请号：US13412801
申请日：2012-03-06
申请人： Thomas Kruspe , Stefan Sroka
发明人： Thomas Kruspe , Stefan Sroka
IPC分类号： E21B47/10
CPC分类号： E21B47/0905 , E21B47/0002 , G01N11/16 , G01N2011/0086
摘要： An apparatus for estimating a property of a downhole fluid includes: a flexural mechanical resonator having at least one magnetic permeable element traversing a pressure-retaining wall with a portion of the magnetic permeable element protruding into the fluid, the portion of the magnetic permeable element protruding into the fluid being configured to oscillate; and a monitor for receiving a response of the flexural mechanical resonator to estimate the property.
摘要翻译：一种用于估计井下流体性质的装置包括：弯曲机械共振器，其具有至少一个穿过压力保持壁的磁性可渗透元件，其中所述磁性可渗透元件的一部分突出到流体中，所述可渗透元件的所述部分突出进入被配置为振荡的流体; 以及用于接收弯曲机械谐振器的响应以估计该性能的监视器。

4. 发明授权

US08770835B2 Apparatus and methods for estimating a characteristic of a fluid downhole using thermal properties of the fluid 有权
标题翻译：用于使用流体的热性质估计流体井下特性的装置和方法
公开(公告)号：US08770835B2
公开(公告)日：2014-07-08
申请号：US11867138
申请日：2007-10-04
申请人： Stefan Sroka , Peter Schaefer
发明人： Stefan Sroka , Peter Schaefer
IPC分类号： G01N25/00 , G01K13/12
CPC分类号： E21B49/10 , E21B49/081
摘要： The disclosure provides a system, tools and methods for estimating a property or characteristic of a fluid downhole. In one aspect, the method may include: heating the fluid at a selected or first location during a first time phase, taking temperature measurements of the fluid substantially at the selected location during a second time phase, and estimating the property of the downhole fluid using temperature measurements. Temperature measurements may also be taken at a location spaced apart from the first location and used to estimate the property of the fluid. The tool may include a device that heats the fluid during a first time phase and takes temperature measurements of the fluid during a second time phase. A processor uses the temperature measurements and a model to estimate a property of interest of the fluid.
摘要翻译：本公开提供了一种用于估计井下流体的性质或特性的系统，工具和方法。在一个方面，该方法可以包括：在第一时间阶段期间在选定或第一位置处加热流体，在第二时间阶段期间基本上在所选择的位置处对流体进行温度测量，并且使用温度测量。也可以在与第一位置间隔开的位置处进行温度测量，并用于估计流体的性质。该工具可以包括在第一时间阶段期间加热流体并且在第二时间阶段期间对流体进行温度测量的装置。处理器使用温度测量和模型来估计流体感兴趣的属性。

5. 发明申请

US20080083273A1 APPARATUS AND METHODS FOR ESTIMATING A CHARACTERISTIC OF A FLUID DOWNHOLE USING THERMAL PROPERTIES OF THE FLUID 有权
标题翻译：使用流体的热性质估计流体特性的特征的装置和方法
公开(公告)号：US20080083273A1
公开(公告)日：2008-04-10
申请号：US11867138
申请日：2007-10-04
申请人： Stefan Sroka , Peter Schaefer
发明人： Stefan Sroka , Peter Schaefer
IPC分类号： E21B47/06 , G01V1/50
CPC分类号： E21B49/10 , E21B49/081
摘要： The disclosure provides a system, tools and methods for estimating a property or characteristic of a fluid downhole. In one aspect, the method may include: heating the fluid at a selected or first location during a first time phase, taking temperature measurements of the fluid substantially at the selected location during a second time phase, and estimating the property of the downhole fluid using temperature measurements. Temperature measurements may also be taken at a location spaced apart from the first location and used to estimate the property of the fluid. The tool may include a device that heats the fluid during a first time phase and takes temperature measurements of the fluid during a second time phase. A processor uses the temperature measurements and a model to estimate a property of interest of the fluid.
摘要翻译：本公开提供了一种用于估计井下流体的性质或特性的系统，工具和方法。在一个方面，该方法可以包括：在第一时间阶段期间在选定或第一位置处加热流体，在第二时间阶段期间基本上在所选择的位置处对流体进行温度测量，并且使用温度测量。也可以在与第一位置间隔开的位置处进行温度测量，并用于估计流体的性质。该工具可以包括在第一时间阶段期间加热流体并且在第二时间阶段期间对流体进行温度测量的装置。处理器使用温度测量和模型来估计流体感兴趣的属性。

6. 发明申请

US20120266668A1 Surface Wave Sensor for Downhole Applications 审中-公开
标题翻译：用于井下应用的表面波传感器
公开(公告)号：US20120266668A1
公开(公告)日：2012-10-25
申请号：US13449057
申请日：2012-04-17
申请人： Sunil Kumar , Stefan Sroka , Peter Schaefer
发明人： Sunil Kumar , Stefan Sroka , Peter Schaefer
IPC分类号： E21B49/08
CPC分类号： E21B49/08
摘要： The present disclosure relates to an apparatus and method for estimating a parameter of interest in a downhole fluid using a fluid analysis module. The fluid analysis module may include: a first transducer configured to generate a surface wave in a fluid. The first transducer may include one or more of: a piezoelectric crystal, a electromagnetic transducer, and a surface acoustic wave crystal. The apparatus may use the first transducer or a second transducer to generate a signal indicative of the dissipation of the surface wave in the fluid. The apparatus may include a compensator configured to reduce mechanical pressure on the transducer. The method may include estimating a parameter of interest of the fluid using a signal indicative of the dissipation of the surface wave.
摘要翻译：本公开涉及一种使用流体分析模块估计井下流体中的关注参数的装置和方法。流体分析模块可以包括：构造成在流体中产生表面波的第一换能器。第一传感器可以包括以下中的一个或多个：压电晶体，电磁换能器和表面声波晶体。该装置可以使用第一换能器或第二换能器来产生指示流体中表面波的消散的信号。该装置可以包括构造成减小换能器上的机械压力的补偿器。该方法可以包括使用表示表面波的耗散的信号来估计流体感兴趣的参数。

7. 发明申请

US20100025112A1 IN-SITU REFRACTION APPARATUS AND METHOD 审中-公开
标题翻译：现场折射装置和方法
公开(公告)号：US20100025112A1
公开(公告)日：2010-02-04
申请号：US12181468
申请日：2008-07-29
申请人： Stefan Sroka , Ansgar Cartellieri , Peter Schaefer
发明人： Stefan Sroka , Ansgar Cartellieri , Peter Schaefer
IPC分类号： E21B7/00 , E21B49/00
CPC分类号： E21B47/102 , G01N21/43
摘要： An apparatus and method for estimating a fluid property downhole includes an electromagnetic energy emitter, a window having an input interface that receives electromagnetic energy emitted from the electromagnetic energy emitter and converges the electromagnetic energy entering the window, a fluid interface and an output interface. A detector detects electromagnetic energy exiting the window from the output interface.
摘要翻译：一种用于估计井下流体特性的装置和方法包括电磁能发射器，具有输入接口的窗口，该输入接口接收从电磁能发射器发射的电磁能量并使进入窗口的电磁能量收敛，流体接口和输出接口。检测器检测从输出接口离开窗口的电磁能量。

8. 发明申请

US20140008060A1 FLEXIBILITY OF DOWNHOLE FLUID ANALYZER PUMP MODULE 有权
标题翻译：井下流体分析泵模块的灵活性
公开(公告)号：US20140008060A1
公开(公告)日：2014-01-09
申请号：US13544018
申请日：2012-07-09
申请人： Stefan Sroka
发明人： Stefan Sroka
IPC分类号： E21B47/00 , E21B49/08 , E21B43/00
CPC分类号： E21B49/10 , E21B2049/085
摘要： An apparatus for pumping a downhole fluid includes: a carrier configured to be conveyed through a borehole penetrating the earth; a pump disposed at the carrier and configured to pump the downhole fluid; a multi-phase electric motor coupled to the pump and configured to receive multi-phase electrical energy from a power source in order to operate the pump, the multi-phase electrical motor having multiple windings; and a switch configured to connect the multiple windings in a configuration selected from a plurality of configurations that includes (i) a first configuration where one terminal of each winding of the multiple windings is uniquely connected to one terminal of another winding and (ii) a second configuration where one terminal of each winding of the multiple windings is commonly connected to one terminal of each of the other windings.
摘要翻译：用于泵送井下流体的装置包括：构造成通过穿透地球的钻孔传送的载体; 泵，其设置在所述载体处并构造成泵送所述井下流体; 耦合到所述泵并被配置为从电源接收多相电能以便操作所述泵的多相电动机，所述多相电动机具有多个绕组; 以及开关，被配置为以从多个配置中选择的配置来连接所述多个绕组，所述配置包括（i）第一配置，其中所述多个绕组的每个绕组的一个端子唯一地连接到另一绕组的一个端子，以及（ii）第二构造，其中多个绕组的每个绕组的一个端子共同连接到每个其它绕组的一个端子。

9. 发明申请

US20130213648A1 OPTICAL FLUID ANALYZER SAMPLING TOOL USING OPEN BEAM OPTICAL CONSTRUCTION 审中-公开
标题翻译：光学分析仪采用OPEN BEAM光学结构采样工具
公开(公告)号：US20130213648A1
公开(公告)日：2013-08-22
申请号：US13398389
申请日：2012-02-16
申请人： Stefan Sroka , Ansgar Cartellieri , Matthias Meister
发明人： Stefan Sroka , Ansgar Cartellieri , Matthias Meister
IPC分类号： E21B49/08
CPC分类号： E21B47/102 , E21B49/10
摘要： An apparatus for estimating a property of a fluid of interest downhole includes: a carrier configured to be conveyed through a borehole penetrating an earth formation; an emitter disposed at the carrier and configured to emit electromagnetic energy; and a sample chamber configured to contain a sample of the fluid of interest and having a window transmissive to electromagnetic energy emitted by the emitter, the electromagnetic energy interacting with the sample of the fluid of interest with a characteristic related to the property; wherein a path of the emitted electromagnetic energy from the emitter to the window of the sample chamber traverses a gas or a vacuum.
摘要翻译：一种用于估计目标井下流体性质的装置包括：被构造成通过穿透地层的钻孔传送的载体; 发射器，设置在所述载体上并且被配置为发射电磁能量; 以及样本室，其被配置为容纳感兴趣的流体的样本，并且具有透射由发射器发射的电磁能量的窗口，所述电磁能量与所述流体的样品与所述特性相关的特性相互作用; 其中从发射器到样品室的窗口的发射的电磁能量的路径穿过气体或真空。

10. 发明申请

US20090166037A1 APPARATUS AND METHOD FOR SAMPLING DOWNHOLE FLUIDS 审中-公开
标题翻译：装置和方法，用于采样井底流体
公开(公告)号：US20090166037A1
公开(公告)日：2009-07-02
申请号：US11968464
申请日：2008-01-02
申请人： Stefan Sroka
发明人： Stefan Sroka
IPC分类号： E21B49/08
CPC分类号： E21B49/082 , E21B2049/085
摘要： Tools and methods for downhole sample analysis are provided. An apparatus for sampling a downhole fluid includes a tool having at least one surface element wetted by a downhole fluid such as drilling fluid, return fluid or production fluids such as asphaltenic hydrocarbons. At least one surface element disposed on the tool can include a fluid-repellent material disposed on a substrate for repelling at least a portion of the downhole fluid wetting the surface element.
摘要翻译：提供了井下样品分析的工具和方法。用于对井下流体进行采样的装置包括具有至少一个表面元件的工具，所述至少一个表面元件被诸如钻井液，回流流体或诸如沥青质烃之类的生产流体的井下流体润湿。设置在工具上的至少一个表面元件可以包括设置在基板上的防流体材料，用于排斥润湿表面元件的井下流体的至少一部分。

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