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公开(公告)号：US20110077867A1
公开(公告)日：2011-03-31
申请号：US12921429
申请日：2009-02-27
申请人： Michael Evans , John Rasmus , Richard Radtke
发明人： Michael Evans , John Rasmus , Richard Radtke
摘要： A downhole tool and method for determining a parameter of a formation as a function of radial distance from the borehole into the formation. The tool comprising a nuclear source for irradiating the formation and a plurality of sensors each independently measuring a density of the formation at a different radial depth into the formation. A processor combines the density measurements for determining the parameter of the formation as a function of radial distance.
摘要翻译： 一种用于确定地层参数作为从钻孔到地层的径向距离的函数的井下工具和方法。 该工具包括用于照射地层的核源和多个传感器，每个传感器独立地测量地层在不同径向深度处的地层的密度。 处理器将用于确定地层参数的密度测量结合为径向距离的函数。
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公开(公告)号：US08645068B2
公开(公告)日：2014-02-04
申请号：US12921429
申请日：2009-02-27
申请人： Michael Evans , John Rasmus , Richard Radtke
发明人： Michael Evans , John Rasmus , Richard Radtke
IPC分类号： G06F19/00
摘要： A downhole tool and method for determining a parameter of a formation as a function of radial distance from the borehole into the formation. The tool comprising a nuclear source for irradiating the formation and a plurality of sensors each independently measuring a density of the formation at a different radial depth into the formation. A processor combines the density measurements for determining the parameter of the formation as a function of radial distance.
摘要翻译： 一种用于确定地层参数作为从钻孔到地层的径向距离的函数的井下工具和方法。 该工具包括用于照射地层的核源和多个传感器，每个传感器独立地测量地层在不同径向深度处的地层的密度。 处理器将用于确定地层参数的密度测量结合为径向距离的函数。
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公开(公告)号：US20060192096A1
公开(公告)日：2006-08-31
申请号：US11307632
申请日：2006-02-15
申请人： Richard Radtke , Michael Evans , Charles Flaum
发明人： Richard Radtke , Michael Evans , Charles Flaum
IPC分类号： G01V5/14
CPC分类号： G01V5/145
摘要： A tool for formation logging includes a support configured for movement in a borehole; a source mounted on the support, the source configured to emit neutrons and gamma rays; and at least one sensor mounted on the support and spaced apart from the source, wherein the at least one sensor is configured to detect at least one selected from the group consisting of gamma rays and neutrons. A method for formation logging in accordance with one embodiment of the invention includes emitting neutrons and gamma rays into a formation, using a source on a logging tool disposed in a borehole penetrating the formation; and detecting gamma-ray signals and neutron signals scattered by the formation, using at least one detector on the logging tool.
摘要翻译： 用于地层测井的工具包括构造成在钻孔中移动的支撑件; 安装在支撑件上的源，该源被配置为发射中子和伽马射线; 以及安装在所述支撑件上并与所述源分隔开的至少一个传感器，其中所述至少一个传感器被配置为检测从由γ射线和中子组成的组中选择的至少一个。 根据本发明的一个实施例的用于地层测井的方法包括将中子和伽马射线发射到地层中，使用源于设在穿过地层的钻孔中的测井工具上的源; 以及使用测井工具上的至少一个检测器检测由地层散射的伽马射线信号和中子信号。
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公开(公告)号：US20080105821A1
公开(公告)日：2008-05-08
申请号：US11968696
申请日：2008-01-03
IPC分类号： G01V5/08
摘要： Apparatus and method for detecting subsurface radiation phenomena. An elongated support member, adapted for disposal within a wellbore traversing a subsurface formation, includes a recess along its longitudinal axis. A pad is linked to the support member. The pad is configured with a surface correspondingly shaped to fit in juxtaposition with the support member recess. The pad is adapted for movement into and out of the recess such that an exposed surface of the pad can extend away from the support member. The pad also includes one or more radiation detectors and is adapted with shielding material on its sides near the exposed surface to prevent radiation reflected from the recess from reaching the detector(s) from the area near the exposed surface.
摘要翻译： 用于检测地下辐射现象的装置和方法。 适于在穿过地下地层的井筒内处理的细长支撑构件包括沿其纵向轴线的凹部。 衬垫连接到支撑构件。 衬垫被构造成具有相应形状的表面以与支撑构件凹部并置。 衬垫适于移动进入和离开凹部，使得垫的暴露表面可以远离支撑构件延伸。 衬垫还包括一个或多个辐射检测器，并且在其暴露表面附近的侧面上适配屏蔽材料，以防止从凹部反射的辐射从暴露表面附近的区域到达检测器。
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公开(公告)号：US20060186328A1
公开(公告)日：2006-08-24
申请号：US10906562
申请日：2005-02-24
IPC分类号： G01V5/04
摘要： Apparatus and method for detecting subsurface radiation phenomena. An elongated support member, adapted for disposal within a wellbore traversing a subsurface formation, includes a recess along its longitudinal axis. A pad is linked to the support member. The pad is configured with a surface correspondingly shaped to fit in juxtaposition with the support member recess. The pad is adapted for movement into and out of the recess such that an exposed surface of the pad can extend away from the support member. The pad also includes one or more radiation detectors and is adapted with shielding material on its sides near the exposed surface to prevent radiation reflected from the recess from reaching the detector(s) from the area near the exposed surface.
摘要翻译： 用于检测地下辐射现象的装置和方法。 适于在穿过地下地层的井筒内处理的细长支撑构件包括沿其纵向轴线的凹部。 衬垫连接到支撑构件。 衬垫被构造成具有相应形状的表面以与支撑构件凹部并置。 衬垫适于移动进入和离开凹部，使得垫的暴露表面可以远离支撑构件延伸。 衬垫还包括一个或多个辐射检测器，并且在其暴露表面附近的侧面上适配屏蔽材料，以防止从凹部反射的辐射从暴露表面附近的区域到达检测器。
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