Sonic SIG Crossword

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Across
  1. 4. The type of transform which is used to convert the waveforms into the frequency domain. (7)
  2. 6. The type of waveforms where the slowness varies with frequency. (10)
  3. 8. The algorithm that is used to obtain travel times for CRP, DCBL and BHC modes. (4)
  4. 9. One of the conditions for which the fast shear and slow shear dispersion data matches with each other but not with the model. (10)
  5. 12. The type of modelling that is used to create a synthetic stoneley waveform. (6)
  6. 13. Preferred mode of acoustic processing in case of thin beds. (9)
  7. 17. The type of four-component rotation performed for anisotropy analysis. (6)
  8. 19. The acoustic tool in Schlumberger that has 3 different modes of transmitter and 48 digital receivers. (10)
  9. 20. This principle is used to trace wavefronts by assuming that every point on a wavefront acts as a secondary point source that produces spherical wavelets (7)
  10. 21. Formations where velocity of mud is faster than velocity of S-head wave. (4)
Down
  1. 1. The type of inversion that is used to compute CRVP (Compressional Radial Variation Profile). (7)
  2. 2. The type of shear modulus that is associated with C66. (8)
  3. 3. The type of anisotropy where the fast shear is slower than the slow shear in high frequency domain while it becomes faster than the slow shear in low frequency domain. (6)
  4. 5. The type of condition when one caliper is in-gauge (reading almost the same as bit size), while the other caliper is reading more than the bit size for a vertical well. (8)
  5. 7. The acoustic tool in Schlumberger that has 5 transmitters and 13 receiver stations. (12)
  6. 10. The condition when C66>C44 in a vertical well. (3)
  7. 11. The term which is used to define the type of compressional modes, that are dispersive and occurs in slow-formations. (5)
  8. 14. Waves in which the direction of propagation is perpendicular to the direction of oscillation (10)
  9. 15. Fundamental measurement made by a sonic tool. (8)
  10. 16. The 5 independent elastic parameters that describe a TI (Transversely Isotropic) medium. (7)
  11. 18. The model that is used to compute Full Biot technique for evaluating Stoneley Permeability. (7)