Thickness-independent computation of horizontal and vertical permeability
    1.
    发明授权
    Thickness-independent computation of horizontal and vertical permeability 有权
    水平和垂直渗透率的厚度独立计算

    公开(公告)号:US08473214B2

    公开(公告)日:2013-06-25

    申请号:US12758398

    申请日:2010-04-12

    CPC分类号: E21B49/008

    摘要: A method for determining permeability of a reservoir using a packer-probe formation testing tool. The elements of the method include generating, using a dual packer tool module, fluid flows from the reservoir into a wellbore, obtaining pressure data associated with the fluid flows using an observation probe tool module, wherein the packer-probe formation testing tool comprises the dual packer module and the observation probe tool module, identifying a portion of the pressure data corresponding to a spherical flow regime, determining horizontal permeability based on the portion of the pressure data, and displaying an output generated using the horizontal permeability.

    摘要翻译: 一种使用封隔器探针形成测试工具确定储层的渗透性的方法。 该方法的要素包括使用双封隔器工具模块来产生从贮存器进入井眼的流体流,使用观察探针工具模块获得与流体流动相关联的压力数据,其中封隔器探针形成测试工具包括双重封闭器 封隔器模块和观察探针工具模块,识别对应于球形流动状态的压力数据的一部分,基于压力数据的部分确定水平磁导率,以及显示使用水平磁导率产生的输出。

    THICKNESS-INDEPENDENT COMPUTATION OF HORIZONTAL AND VERTICAL PERMEABILITY
    2.
    发明申请
    THICKNESS-INDEPENDENT COMPUTATION OF HORIZONTAL AND VERTICAL PERMEABILITY 有权
    厚度独立计算水平和垂直渗透率

    公开(公告)号:US20100274490A1

    公开(公告)日:2010-10-28

    申请号:US12758398

    申请日:2010-04-12

    IPC分类号: E21B49/00

    CPC分类号: E21B49/008

    摘要: A method for determining permeability of a reservoir using a packer-probe formation testing tool. The elements of the method include generating, using a dual packer tool module, fluid flows from the reservoir into a wellbore, obtaining pressure data associated with the fluid flows using an observation probe tool module, wherein the packer-probe formation testing tool comprises the dual packer module and the observation probe tool module, identifying a portion of the pressure data corresponding to a spherical flow regime, determining horizontal permeability based on the portion of the pressure data, and displaying an output generated using the horizontal permeability.

    摘要翻译: 一种使用封隔器探针形成测试工具确定储层的渗透性的方法。 该方法的要素包括使用双封隔器工具模块来产生从贮存器进入井眼的流体流,使用观察探针工具模块获得与流体流动相关联的压力数据,其中封隔器探针形成测试工具包括双重封闭器 封隔器模块和观察探针工具模块,识别对应于球形流动状态的压力数据的一部分,基于压力数据的部分确定水平磁导率,以及显示使用水平磁导率产生的输出。

    Method for determining a permeability or mobility of a radial flow response of a reservoir

    公开(公告)号:US10370965B2

    公开(公告)日:2019-08-06

    申请号:US13372457

    申请日:2012-02-13

    IPC分类号: G01V11/00 G06F17/00 E21B49/08

    摘要: A system and method determine formation permeability and/or at least one property indicative of formation permeability of a subsurface geological reservoir having radial-flow. Pressure data is obtained with an observation probe during a formation test, wherein the observation probe is located at a setting position within an open hole wellbore formed within the reservoir. The system and method measure radial-flow response of the reservoir at or adjacent to the setting position of the observation probe by analyzing the collected pressure data. The formation permeability and/or at least one property indicative of the permeability of the reservoir is determined based on the measured radial-flow response of the reservoir at or adjacent to the observation probe.

    Method For Determining A Permeability Or Mobility Of A Radial Flow Response Of A Reservoir
    4.
    发明申请
    Method For Determining A Permeability Or Mobility Of A Radial Flow Response Of A Reservoir 审中-公开
    确定水库径向流动响应的渗透性或迁移率的方法

    公开(公告)号:US20130205886A1

    公开(公告)日:2013-08-15

    申请号:US13372457

    申请日:2012-02-13

    IPC分类号: E21B49/00

    摘要: A system and method determine formation permeability and/or at least one property indicative of formation permeability of a subsurface geological reservoir having radial-flow. Pressure data is obtained with an observation probe during a formation test, wherein the observation probe is located at a setting position within an open hole wellbore formed within the reservoir. The system and method measure radial-flow response of the reservoir at or adjacent to the setting position of the observation probe by analyzing the collected pressure data. The formation permeability and/or at least one property indicative of the permeability of the reservoir is determined based on the measured radial-flow response of the reservoir at or adjacent to the observation probe.

    摘要翻译: 系统和方法确定地层渗透率和/或指示具有径向流动的地下地质储层的地层渗透性的至少一个性质。 在形成试验中,用观察探针获得压力数据,其中观察探针位于形成在储层内的露天井眼内的设定位置。 该系统和方法通过分析收集的压力数据来测量在观测探头的设置位置处或其附近的储层的径向流动响应。 基于测量的在观测探针处或附近的储存器的径向流动响应来确定指示储层渗透性的地层渗透性和/或至少一种性质。

    Methods and apparatus to detect contaminants on a fluid sensor
    5.
    发明授权
    Methods and apparatus to detect contaminants on a fluid sensor 有权
    检测流体传感器污染物的方法和设备

    公开(公告)号:US08717549B2

    公开(公告)日:2014-05-06

    申请号:US12133787

    申请日:2008-06-05

    IPC分类号: G01N21/00

    摘要: Methods and apparatus for detecting a coating on a downhole fluid sensor are disclosed. A coating may refer to a solid or liquid film on a sensor interface with the sampled fluid, caused by contaminants. Detecting a coating may be accomplished by determining a sampled fluid type and measuring at least one fluid parameter using one or more downhole fluid sensors. The coating detection further includes determining whether the measured parameters are within ranges corresponding to the determined fluid type. Additionally or alternatively, measured parameter values that remain substantially stable during sampled fluid pumping may also indicate a coated sensor.

    摘要翻译: 公开了用于检测井下流体传感器上的涂层的方法和装置。 涂层可以指由与污染物引起的采样流体的传感器界面上的固体或液体膜。 可以通过确定采样的流体类型并使用一个或多个井下流体传感器测量至少一个流体参数来实现检测涂层。 涂层检测还包括确定所测量的参数是否在与所确定的流体类型相对应的范围内。 另外或替代地,在采样流体泵送期间保持基本稳定的测量参数值也可以指示涂覆的传感器。

    PHASE SEPARATION DETECTION IN DOWNHOLE FLUID SAMPLING
    6.
    发明申请
    PHASE SEPARATION DETECTION IN DOWNHOLE FLUID SAMPLING 有权
    井下液体采样中的相分离检测

    公开(公告)号:US20100192684A1

    公开(公告)日:2010-08-05

    申请号:US12363835

    申请日:2009-02-02

    IPC分类号: E21B49/08

    CPC分类号: E21B49/082

    摘要: Example methods and apparatus to detect phase separation in downhole fluid sampling operations are disclosed. An example method to detect a phase separation condition of a fluid from a subterranean involves obtaining a sample of the fluid, measuring a first characteristic value of the sample, measuring a second characteristic value of the sample and comparing the first characteristic value to a first reference value associated with a single-phase condition of the fluid to generate a corresponding first comparison result. The example method then compares the second characteristic value to a second reference value associated with the single-phase condition of the fluid to generate a corresponding second comparison result and detects the phase separation condition of the fluid based on the first and second comparison results.

    摘要翻译: 公开了用于检测井下液体取样操作中的相分离的示例性方法和装置。 用于检测来自地下的流体的相分离条件的示例性方法包括获得流体样品,测量样品的第一特征值,测量样品的第二特征值,并将第一特征值与第一参考值进行比较 值与流体的单相条件相关联以产生相应的第一比较结果。 该示例方法然后将第二特征值与与流体的单相条件相关联的第二参考值进行比较,以产生相应的第二比较结果,并基于第一和第二比较结果检测流体的相分离条件。

    METHODS AND APPARATUS TO SAMPLE HEAVY OIL FROM A SUBTERANEAN FORMATION
    7.
    发明申请
    METHODS AND APPARATUS TO SAMPLE HEAVY OIL FROM A SUBTERANEAN FORMATION 有权
    方法和装置,用于从亚种形成中测量重油

    公开(公告)号:US20100186948A1

    公开(公告)日:2010-07-29

    申请号:US12754334

    申请日:2010-04-05

    IPC分类号: E21B47/00

    CPC分类号: E21B49/081 E21B43/24

    摘要: A method of sampling fluid from a subterranean formation includes positioning a first tool having a heater in a borehole so that the heater is adjacent a portion of the subterranean formation; heating with the heater the portion of the subterranean formation; removing the first tool from the borehole; orienting a second tool having a sampling probe in the borehole so that the sampling probe is to contact a portion of the subterranean formation heated by the heater; and obtaining via the sampling probe a fluid sample from the portion of the subterranean formation heated by the heater.

    摘要翻译: 从地下地层采样流体的方法包括将具有加热器的第一工具定位在钻孔中,使得加热器邻近地层的一部分; 用加热器加热地层的一部分; 从钻孔中移除第一个工具; 将具有采样探针的第二工具定向在钻孔中,使得采样探针接触由加热器加热的地下地层的一部分; 以及通过所述采样探针从所述加热器加热的所述地下部分的部分获得流体样品。

    Apparatus and methods to remove impurities at a sensor in a downhole tool
    8.
    发明授权
    Apparatus and methods to remove impurities at a sensor in a downhole tool 有权
    在井下工具中去除传感器的杂质的装置和方法

    公开(公告)号:US07677307B2

    公开(公告)日:2010-03-16

    申请号:US11757476

    申请日:2007-06-04

    IPC分类号: E21B21/00

    CPC分类号: E21B49/08 E21B37/00

    摘要: Apparatus and methods to remove impurities at a sensor in a downhole tool are disclosed. During the testing and/or sampling of formation fluid in a borehole, the downhole tool creates a transient high rate of fluid flow of the formation fluid to remove impurities at the sensor.

    摘要翻译: 公开了在井下工具中的传感器处去除杂质的装置和方法。 在钻孔中地层流体的测试和/或采样期间,井下工具产生地层流体的瞬时高速流体流动以去除传感器处的杂质。

    Methods and apparatus to characterize stock-tank oil during fluid composition analysis
    9.
    发明授权
    Methods and apparatus to characterize stock-tank oil during fluid composition analysis 有权
    在流体组成分析过程中表征储罐油的方法和装置

    公开(公告)号:US07586087B2

    公开(公告)日:2009-09-08

    申请号:US11738156

    申请日:2007-04-20

    IPC分类号: G01V8/00

    CPC分类号: E21B47/102

    摘要: Methods and apparatus to characterize stock-tank oil during fluid composition analysis are disclosed. A disclosed example method to characterize a fluid associated with an underground geological formation comprises obtaining a sample of the fluid associated with the underground geological formation, determining, in a borehole associated with the underground geological formation, a stock-tank oil type for the sample of the fluid associated with the underground geological formation, and determining a property of the fluid associated with the underground geological formation based on the stock-tank oil type.

    摘要翻译: 公开了在流体组成分析期间表征储罐油的方法和装置。 用于表征与地下地质构造相关联的流体的公开的示例性方法包括获得与地下地质构造相关联的流体的样本,在与地下地质构造相关联的钻孔中确定样品的储罐油类型 与地下地质构造相关的流体,以及基于储罐油类型确定与地下地质层相关的流体的性质。

    METHODS AND APPARATUS TO MONITOR CONTAMINATION LEVELS IN A FORMATION FLUID
    10.
    发明申请
    METHODS AND APPARATUS TO MONITOR CONTAMINATION LEVELS IN A FORMATION FLUID 有权
    监测污染物形成流体的方法和装置

    公开(公告)号:US20090150079A1

    公开(公告)日:2009-06-11

    申请号:US12362602

    申请日:2009-01-30

    IPC分类号: G01V9/00 E21B47/00

    摘要: Apparatus and methods to monitor contamination levels in a formation fluid are disclosed. An example method involves obtaining first property data indicative of a first fluid property of a formation fluid and second property data indicative of a second fluid property of the formation fluid. A correlation between the first and second property data is generated and third data is fitted to the correlation. A fitting parameter is determined based on the third data indicative of an amount of change of the first property data relative to an amount of change of the second property data.

    摘要翻译: 公开了一种用于监测地层流体中污染水平的装置和方法。 示例性方法包括获得指示地层流体的第一流体特性的第一属性数据和指示地层流体的第二流体性质的第二特性数据。 生成第一和第二属性数据之间的相关性,并且将第三数据拟合到相关性。 基于指示第一属性数据相对于第二属性数据的变化量的变化量的第三数据来确定拟合参数。