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- W2351644221 abstract "In the paper we introduce a new acoustic spectrum logging tool with three frequencies of 20 kHz,40 kHz and 10 kHz.The acoustic sonde of 20 kHz is composed of one emission transducer and four receiving transducers,the spacing and the span are 2.1m～2.568m and 0.156m,respectively.The acoustic sonde of 40 kHz consists of one emission and two receiving transducers,the spacing and the span are 1.0m～1.5m and 0.5m,The acoustic sonde of 10 kHz has one emission transducer and two receiving transducers and the spacing and the span are 2.168m～2.668m and 0.5m,respectively.The aim of the log tool with three acoustic frequencies is to obtain the formation's acoustic information of the different radial depth of investigation in the borehole.On the other hand,the change of the acoustic spectrum with different frequencies in the formation is useful.Data acquisition in the borehole,data transfer,ground record and monitoring of the tool are all controlled by a computer.The successful field experiments of three wells have been carried out in Daqing Oilfield." @default.
- W2351644221 created "2016-06-24" @default.
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- W2351644221 date "2010-01-01" @default.
- W2351644221 modified "2023-09-24" @default.
- W2351644221 title "Tool Development of Acoustic Spectrum Logging and Field Experiment" @default.
- W2351644221 hasPublicationYear "2010" @default.
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