Effect of a mudcake on the propagation of stoneley waves in a borehole |
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Authors: | G A Maximov M E Merkulov |
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Institution: | (1) Moscow State Engineering Physics Institute (Technical University), Kashirskoe sh. 31, Moscow, 115409, Russia |
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Abstract: | The problem of detecting a permeable stratum blocked by a mudcake with the help of acoustic measurements inside a borehole is considered. Different physical models of the mudcake are compared: in the form of a highly viscous liquid layer, in the form of a soft elastic shell, and in the form of an elastic shell fixed in an arbitrary way to the borehole walls. Numerical calculations are presented for the wave field in a borehole. |
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