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41. 发明授权

US07027923B2 Method for determining sonde error for an induction or propagation tool with transverse or triaxial arrays 有权
标题翻译：用于确定具有横向或三轴阵列的感应或传播工具的探头误差的方法
公开(公告)号：US07027923B2
公开(公告)日：2006-04-11
申请号：US10707427
申请日：2003-12-12
申请人： Thomas D. Barber , Hanming Wang
发明人： Thomas D. Barber , Hanming Wang
IPC分类号： G01V3/18
CPC分类号： G01V13/00 , G01V3/28
摘要： A method for determining a sonde error in a logging tool comprising a transverse array includes obtaining a first measurement using the transverse array while the logging tool is at a first height from ground in a selected orientation; obtaining a second measurement using the transverse array while the logging tool is at a second height from the ground in the selected orientation; deriving a difference measurement from the first measurement and the second measurement; determining a background signal using the difference measurement and a predetermined function, wherein the predetermined function relates earth signals in a plurality of signals obtained at the second height to a plurality of difference signals between signals obtained at the first height and the second height at a plurality of formation conductivities; and determining the sonde error by subtracting the background signal from the second measurement.
摘要翻译：一种用于确定包括横向阵列的测井工具中的探测器误差的方法包括：在所述测井工具处于选定方向的地面的第一高度时，使用所述横向阵列获得第一测量; 当所述测井工具处于与所述选定方向的地面相距的第二高度时，使用所述横向阵列获得第二测量; 从第一测量和第二测量得到差值测量; 使用所述差分测量和预定功能来确定背景信号，其中所述预定功能将在所述第二高度获得的多个信号中的接地信号与在所述第一高度和所述第二高度处获得的信号之间的多个差信号相关联的地层电导率; 以及通过从所述第二测量中减去所述背景信号来确定所述探测器误差。

42. 发明授权

US4873488A Induction logging sonde with metallic support having a coaxial insulating sleeve member 失效
标题翻译：具有金属支撑件的感应测井仪具有同轴绝缘套筒构件
公开(公告)号：US4873488A
公开(公告)日：1989-10-10
申请号：US932231
申请日：1986-11-18
申请人： Thomas D. Barber , Richard N. Chandler , John F. Hunka
发明人： Thomas D. Barber , Richard N. Chandler , John F. Hunka
IPC分类号： E21B17/00 , E21B47/01 , G01V3/28
CPC分类号： E21B47/011 , E21B17/003 , G01V3/28
摘要： Induction logging sonde including transmitter and receiver solenoid coils mounted on a support and axially separated from each other. The support is made of conductive material and comprises at least one first longitudinal portion for mounting the coils and second longitudinal portions on each side of the first portion. At least the first portion has a substantially continuous and axisymmetric outer surface so as to favor the flow of eddy currents around the surface, whereby the electric field on that surface is substantially cancelled.
摘要翻译：感应测井仪，包括安装在支架上并且彼此轴向分离的发射器和接收器电磁线圈。支撑件由导电材料制成，并且包括用于将线圈和第二纵向部分安装在第一部分的每一侧上的至少一个第一纵向部分。至少第一部分具有基本上连续和轴对称的外表面，以便有利于围绕表面的涡流的流动，从而基本上消除了该表面上的电场。

43. 发明授权

US4837517A Spatial frequency method and apparatus for investigating earth conductivity with high vertical resolution by induction techniques 失效
标题翻译：通过感应技术研究高垂直分辨率的地球电导率的空间频率法和装置
公开(公告)号：US4837517A
公开(公告)日：1989-06-06
申请号：US73933
申请日：1987-07-16
申请人： Thomas D. Barber
发明人： Thomas D. Barber
IPC分类号： G01V3/28
CPC分类号： G01V3/28
摘要： An electrical induction sonde for measuring a characteristic of an earth formation traversed by a borehole having improved vertical resolution and excellent depth of penetration. The sonde has two or more transmitter-receiver spacings preselected to provide at least two separate induction signals received from the formation that, when combined, produce a response function indicative of formation physical properties with no zeros in the spatial frequency response function over the frequency domain of interest.
摘要翻译：用于测量由钻孔穿过的具有改进的垂直分辨率和优异的穿透深度的地层的特性的电感应探测器。探头具有两个或多个预先选择的发射器 - 接收器间隔，以提供从地层接收的至少两个单独的感应信号，当组合时，在频域上产生空间频率响应函数中没有零的响应函数，其表示地层物理性质出于兴趣。

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