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    • 1. 发明申请
    • APPARATUS AND METHOD FOR MEASURING DOWNHOLE FLUID COMPOSITION AND PROPERTIES
    • 测量井下流体组成和性能的装置和方法
    • WO2011109714A2
    • 2011-09-09
    • PCT/US2011027201
    • 2011-03-04
    • BAKER HUGHES INCMARSH ROGERCHACE DAVID MANSARI RAFAY ZINANC FEYZI
    • MARSH ROGERCHACE DAVID MANSARI RAFAY ZINANC FEYZI
    • G01V5/104G01V5/06G01V5/107
    • A method of estimating fluid composition in an earth formation includes: generating at least one pulsed neutron measurement by a pulsed neutron tool; estimating a pulsed neutron fluid saturation by analyzing the at least one pulsed neutron measurement via a pulsed neutron model of the earth formation, the pulsed neutron model including expected pulsed neutron measurements relative to selected fluid composition and properties; comparing the pulsed neutron fluid saturation to a reference fluid saturation estimated via a downhole tool; adjusting the pulsed neutron model to at least substantially eliminate a difference between the pulsed neutron fluid saturation and the reference fluid saturation by adjusting at least one of the selected fluid composition and the selected fluid properties; and estimating at least one of the fluid composition and the fluid properties based on the adjusted model.
    • 估计地层中的流体组成的方法包括:通过脉冲中子工具产生至少一个脉冲中子测量; 通过经由地层的脉冲中子模型分析至少一个脉冲中子测量来估计脉冲中子液饱和度,所述脉冲中子模型包括相对于所选择的流体组成和性质的期望的脉冲中子测量; 将脉冲中子液饱和度与通过井下工具估计的参考流体饱和度进行比较; 通过调节所选择的流体组合物和所选择的流体性质中的至少一种,调节脉冲中子模型以至少基本上消除脉冲中子液饱和度与参考流体饱和度之间的差异; 以及基于经调整的模型估计流体组成和流体特性中的至少一个。
    • 5. 发明申请
    • SOURCELESS DENSITY MEASUREMENT USING ACTIVATION
    • 使用激活的自由密度测量
    • WO2012174217A3
    • 2013-04-25
    • PCT/US2012042418
    • 2012-06-14
    • BAKER HUGHES INCINANC FEYZI
    • INANC FEYZI
    • G01V5/10
    • G01V5/101G01N9/24G01V5/08
    • The present disclosure relates to borehole logging methods and apparatuses for estimating at least one parameter of interest of an earth formation using nuclear radiation, particularly by detecting interactions between the earth formation and an activated radiation source. The method may include using nuclear radiation information from at least one nuclear radiation sensor to estimate a parameter of interest. The method may include separating a gross nuclear radiation count into separate nuclear radiation components. The method may also include activating a part of a downhole tool with neutron radiation. The apparatus may include at least one nuclear radiation sensor. The apparatuses may include an information processing device to perform the methods.
    • 本公开涉及用于使用核辐射来估计地球地层的至少一个参数的测井方法和装置,特别是通过检测地球形成和激活的辐射源之间的相互作用。 该方法可以包括使用来自至少一个核辐射传感器的核辐射信息来估计感兴趣的参数。 该方法可以包括将总核辐射计数分离成单独的核辐射分量。 该方法还可以包括利用中子辐射激活井下工具的一部分。 该装置可以包括至少一个核辐射传感器。 这些装置可以包括执行方法的信息处理装置。
    • 6. 发明申请
    • GAMMA RAY GENERATOR
    • GAMMA RAY发电机
    • WO2010118119A3
    • 2011-03-24
    • PCT/US2010030216
    • 2010-04-07
    • BAKER HUGHES INCINANC FEYZIGILCHRIST ALLEN W
    • INANC FEYZIGILCHRIST ALLEN W
    • G01V5/10E21B49/00G01V5/12
    • G01V5/125
    • An instrument for performing measurements downhole, includes an irradiator oriented to irradiate sub-surface materials surrounding the instrument, the irradiator including at least one neutron source disposed proximate to a moderator for providing a source of inelastic gamma photons and also disposed proximate to a material for providing a source of capture gamma photons; and a first detector and a second detector, each detector for detecting gamma rays and oriented in a relationship to the irradiator for receiving gamma photons from at least one of the irradiator and the formation. A method for irradiating sub-surface materials is provided.
    • 用于在井下进行测量的仪器包括照射器,其被定向成照射围绕所述仪器的次表面材料,所述辐射器包括至少一个靠近所述调节器设置的中子源,用于提供非弹性γ光子源,并且还设置在靠近材料的位置 提供捕获伽马光子的来源; 以及第一检测器和第二检测器,每个检测器用于检测伽马射线并且与辐照器的关系定向,用于接收来自辐照器和地层中的至少一个的伽马光子。 提供一种照射次表面材料的方法。
    • 8. 发明申请
    • TIME DEPENDENT NEUTRON-GAMMA SPECTROSCOPY
    • 时间依赖的中子 - 伽马光谱
    • WO2011094405A3
    • 2011-11-17
    • PCT/US2011022717
    • 2011-01-27
    • BAKER HUGHES INCKOPAL MAGARETE MINANC FEYZIROBERTS LOREN P
    • KOPAL MAGARETE MINANC FEYZIROBERTS LOREN P
    • G01V5/14E21B47/00G06F19/00
    • G01V5/107
    • An apparatus and method for estimating at least one parameter of interest of an earth formation including an estimation of the parameter of interest using a time- dependent ratio of information obtained from at least one neutron detector through the exposure of the earth formation to a radiation source, particularly a pulsed nuclear source. The apparatus includes a processor and storage subsystem with a program that, when executed, implements the method. Also, an apparatus and method for estimating at least one parameter of interest of an earth formation including an estimation of the parameter of interest using a first component and a second component of an information set obtained using a single radiation detector.
    • 一种用于使用从至少一个中子检测器通过将地球暴露于辐射源获得的信息的时间依赖比来估计地球地层的至少一个感兴趣参数的装置和方法,其包括感兴趣参数的估计 ,特别是脉冲核源。 该装置包括具有程序的处理器和存储子系统,当被执行时,该程序实现该方法。 而且,一种用于使用单个辐射检测器获得的信息集合的第一分量和第二分量来估计地球地层感兴趣的至少一个参数的装置和方法,包括对感兴趣参数的估计。