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Identification of stress in formations using angles of fast and slow dipole waves in borehole acoustic logging
Identification of stress in formations using angles of fast and slow dipole waves in borehole acoustic logging
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机译:在井下声波测井中使用快偶极波和慢偶极波的角度识别地层中的应力
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摘要
Cross-dipole measurements are obtained in a borehole. By estimating a direction of polarization of the fast shear mode at low and high frequencies and comparing the estimated distances, a cause of anisotropy is established. Formation stresses and directions may be estimated.
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