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公开(公告)号：US08669765B2
公开(公告)日：2014-03-11
申请号：US13041995
申请日：2011-03-07
IPC分类号： G01V3/08
CPC分类号： G01V3/28
摘要： An apparatus and method for estimating a parameter of interest of an earth formation. An apparatus includes an elongated support member; a primary transmitter on the elongated support member; and a receiver toroid on the elongated support member, the receiver toroid being positioned transversely on the elongated support member and including a single coil antenna. Methods include positioning a logging tool in a borehole in the earth formation; using a transverse receiver toroid on an elongated support member on the logging tool, wherein the transverse receiver toroid includes a single coil antenna; and producing a signal responsive to an electrical signal produced by a primary transmitter.
摘要翻译： 一种用于估计地层的感兴趣参数的装置和方法。 一种装置包括细长的支撑构件; 在细长支撑构件上的主要发射器; 以及在所述细长支撑构件上环绕的接收器，所述接收器环形线横向地定位在所述细长支撑构件上并且包括单个线圈天线。 方法包括将测井工具定位在地层中的钻孔中; 在测井工具上的细长支撑构件上使用横向接收器环形，其中所述横向接收器环形线圈包括单个线圈天线; 并产生响应于由主发射机产生的电信号的信号。
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公开(公告)号：US20110221442A1
公开(公告)日：2011-09-15
申请号：US13041995
申请日：2011-03-07
IPC分类号： G01V3/18
CPC分类号： G01V3/28
摘要： An apparatus and method for estimating a parameter of interest of an earth formation, particularly relating to borehole logging methods and apparatuses for estimating electrical resistivity properties using at least one transverse toroid. The apparatus may include one or more transmitters for introducing electrical current to the earth formation. The transverse toroid may detect responsive electric signals from the earth formation at one or more frequencies and provide data from one or more depths of investigation. Further multiple transverse toroids may be used for detecting electric signals from a larger azimuthal range than a single transverse toroid. The method includes steps for using the apparatus to obtain data that may be used to estimate the parameter of interest.
摘要翻译： 一种用于估计地层的关注参数的装置和方法，特别是涉及用于使用至少一个横向环形圈估计电阻率性质的钻孔测井方法和装置。 该装置可以包括用于将电流引入地层的一个或多个发射器。 横向环形线圈可以以一个或多个频率检测来自地层的响应电信号，并从一个或多个调查深度提供数据。 可以使用多个横向环形圈来检测比单个横向环形圈更大的方位范围的电信号。 该方法包括使用该装置来获得可用于估计感兴趣的参数的数据的步骤。
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