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    • 1. 发明授权
    • Logging method and apparatus using a pad to measure density
    • 测井方法和装置使用垫来测量密度
    • US5528029A
    • 1996-06-18
    • US501742
    • 1995-07-12
    • Herve ChapellatLaurent Jammes
    • Herve ChapellatLaurent Jammes
    • G01V5/12
    • G01V5/12
    • A method of determining a physical parameter of geological formations having a borehole passing therethrough by using a sonde lowered down the borehole at the end of a cable and including a source of gamma radiation, a very near detector, a near detector, and a far detector, the method being characterized in that: for each energy window, a model is created characteristic of the response of each detector; a "low resolution" value of the looked-for parameter is determined which, when applied to the model, gives rise to a theoretical measurement that is substantially equal to the "low resolution" real measurement obtained by combining the measurements from all three detectors; the measurements from the two detectors nearest the source are combined to constitute a "high resolution" real measurement; and a "high resolution" value of the parameter is determined which, when applied to the model, gives rise to a theoretical value that is substantially equal to the "high resolution" real measurement, the determination being performed on the basis of the "high resolution" real measurement and of the "low resolution" value of the parameter.
    • 一种确定具有穿过其中的钻孔的地质构造的物理参数的方法,所述地质构造通过使用在缆线末端沿钻孔端部下降并包括伽马辐射源,非常近的探测器,近探测器和远检测器 该方法的特征在于:对于每个能量窗,产生每个检测器的响应特征的模型; 确定寻找参数的“低分辨率”值,当应用于模型时,产生基本上等于通过组合来自所有三个检测器的测量获得的“低分辨率”实测量的理论测量值; 来自最靠近源的两个检测器的测量结合起来构成“高分辨率”实测量; 并且确定参数的“高分辨率”值,当应用于模型时,产生基本上等于“高分辨率”实际测量的理论值,该确定是基于“高分辨率” 分辨率“的实际测量值和”低分辨率“参数值。
    • 3. 发明授权
    • Method for evaluating formation properties
    • 评估地层性质的方法
    • US07124029B2
    • 2006-10-17
    • US10381833
    • 2001-09-28
    • Laurent JammesOllivier FaivreEmmanuel LegendrePascal RothnemerJean-Claude TrouillerMaria Teresa GalliMauro GonfaliniPatrizio Gossenberg
    • Laurent JammesOllivier FaivreEmmanuel LegendrePascal RothnemerJean-Claude TrouillerMaria Teresa GalliMauro GonfaliniPatrizio Gossenberg
    • G01V3/18
    • G01V3/38
    • Methods for evaluating the properties of formations surrounding a borehole, include the steps of measuring electrical properties of the formation from within the borehole; deriving a model of parameters of the formation surrounding the borehole; and estimating the properties of the formation using the model to interpret the measured electrical properties. In one aspect of the invention in which the formation includes a series of distributed beds, each bed having specific properties. Another aspect includes grouping similar beds, assigning one or more properties to all of the beds in a group, and using the assigned properties to estimate the properties of the formation for measurements relating to the beds of that group. Another aspect includes making several different measurements of formation electrical properties and simultaneously estimating the formation properties from the different measurements to provide a joint inversion. A still further aspect includes the use of a complex model incorporating electrical properties with other petrophysical information to estimate the properties of the formation from the electrical measurements.
    • 评估围绕钻孔的地层性质的方法包括从钻孔内测量地层的电性能的步骤; 得出围绕钻孔的地层参数模型; 并使用该模型估计地层的性质来解释所测量的电性能。 在本发明的一个方面,其中地层包括一系列分布的床,每个床具有特定的性质。 另一方面包括分组相似的床,将一个或多个属性分配给一组中的所有床,以及使用所分配的属性来估计与该组的床相关的测量的地层的属性。 另一方面包括对地层电性能进行几个不同的测量,并同时从不同的测量估计地层特性以提供联合反演。 另一方面包括使用将电性质与其他岩石物理信息相结合的复杂模型从电测量估计地层的性质。
    • 4. 发明申请
    • Method for evaluating formation properties
    • 评估地层性质的方法
    • US20050165553A1
    • 2005-07-28
    • US10381833
    • 2001-09-28
    • Laurent JammesOllivier FaivreEmmanuel LegendrePascal RothnemerJean-Claude TrouillerMaria Teresa GalliMauro GonfaliniPatrizio Gossenberg
    • Laurent JammesOllivier FaivreEmmanuel LegendrePascal RothnemerJean-Claude TrouillerMaria Teresa GalliMauro GonfaliniPatrizio Gossenberg
    • G01V3/38G06F19/00
    • G01V3/38
    • Methods for evaluating the properties of formations surrounding a borehole, include the steps of measuring electrical properties of the formation from within the borehole; deriving a model of parameters of the formation surrounding the borehole; and estimating the properties of the formation using the model to interpret the measured electrical properties. In one aspect of the invention in which the formation includes a series of distributed beds, each bed having specific properties. Another aspect includes grouping similar beds, assigning one or more properties to all of the beds in a group, and using the assigned properties to estimate the properties of the formation for measurements relating to the beds of that group. Another aspect includes making several different measurements of formation electrical properties and simultaneously estimating the formation properties from the different measurements to provide a joint inversion. A still further aspect includes the use of a complex model incorporating electrical properties with other petrophysical information to estimate the properties of the formation from the electrical measurements.
    • 评估围绕钻孔的地层性质的方法包括从钻孔内测量地层的电性能的步骤; 得出围绕钻孔的地层参数模型; 并使用该模型估计地层的性质来解释所测量的电性能。 在本发明的一个方面,其中地层包括一系列分布的床,每个床具有特定的性质。 另一方面包括分组相似的床,将一个或多个属性分配给一组中的所有床,以及使用所分配的属性来估计与该组的床相关的测量的地层的属性。 另一方面包括对地层电性能进行几个不同的测量,并同时从不同的测量估计地层特性以提供联合反演。 另一方面包括使用将电性质与其他岩石物理信息相结合的复杂模型从电测量估计地层的性质。