发明申请
- 专利标题: USE OF AUTOTRANSFORMER-LIKE ANTENNAS FOR DOWNHOLE APPLICATIONS
- 专利标题(中): 自动变幅器天线的使用用于井下应用
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申请号: US13035098申请日: 2011-02-25
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公开(公告)号: US20120051189A1公开(公告)日: 2012-03-01
- 发明人: Jack Signorelli , Samuel R. Bell , Stanislav W. Forgang , Sheng Fang
- 申请人: Jack Signorelli , Samuel R. Bell , Stanislav W. Forgang , Sheng Fang
- 申请人地址: US TX Houston
- 专利权人: BAKER HUGHES INCORPORATED
- 当前专利权人: BAKER HUGHES INCORPORATED
- 当前专利权人地址: US TX Houston
- 主分类号: G01V1/20
- IPC分类号: G01V1/20
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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