| 摘要 |
A circumferential borehole logging system having a rotating head, wherein the rotating head is provided with more than one transducer. The transducers can be disposed at equidistant apart, or at some other angular value. The number of transducers can range from two up. The logging speed of the system is increased due to the additional transducer coverage. Multiple image data sets can be acquired in a single logging pass when different transducer types are used.
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