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偶极子声波测井仪
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偶极子声波测井仪
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声幅测井仪
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dipole (multipole) sonic logging device
偶极子(多极子)声波测井仪
利用偶极子(多极子)换能器代替传统单极子声源在井中激发弯曲波(扭转波),并测量其在井筒中传播特性的声波测井仪器。
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