发明申请
US20120051189A1 USE OF AUTOTRANSFORMER-LIKE ANTENNAS FOR DOWNHOLE APPLICATIONS 有权
自动变幅器天线的使用用于井下应用

USE OF AUTOTRANSFORMER-LIKE ANTENNAS FOR DOWNHOLE APPLICATIONS
摘要:
An apparatus for estimating a property of an earth formation penetrated by a borehole, apparatus including: a carrier configured to be conveyed through the borehole; a transducer disposed at the carrier and configured to transmit and/or receive electromagnetic energy into and/or from the earth formation to estimate the property; wherein the transducer includes a plurality of inductively coupled elements in a series, each element configured to transmit and/or receive electromagnetic energy and at least a first connection to a first element in the plurality and a second connection to a second element in the plurality with at least one of the first element and the second element being disposed between end transducer elements in the series.
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