References
- Berenger, J. 1994. A perfectly matched layer for the absorption of electromagnetic waves. Journal of Computational Physics 114: 185–200. doi: 10.1006/jcph.1994.1159
- Byun, J., and Y. Joo. 2009. Effects on Logging-While-Drilling (LWD) data of mismatch between multipole sources. Exploration Geophysics 40: 143–53. doi: 10.1071/EG08105
- Collino, F., and C. Tsogka. 2001. Application of the PML absorbing layer model to the linear elastodynamic problem in anisotropic heterogeneous media. Geophysics 66: 294–307. doi: 10.1190/1.1444908
- Cui, Z. W. 2004. Theoretical and numerical study of modified Biot’s models, acoustoelectric well logging and acoustic logging while drilling excited by multipole acoustic sources. Ph.D. thesis, Jilin University, Changchun, China.
- Dimitri, K., and M. Roland. 2007. An unsplit convolutional perfectly matched layer improved at grazing incidence for the seismic wave equation. Geophysics 72: 155–67.
- Hirabayashi, N., K. Torii, H. Yamamoto, B. Haldorsen, and A. Voskamp. 2010. Fracture detection using borehole acoustic reflection survey data. SEG Technical Program Expanded Abstracts 29: 523–7. doi: 10.1190/1.3513836
- Hornby, B. E. 1989. Imaging near-borehole of formation structure using full-waveform sonic data. Geophysics 54: 747–57. doi: 10.1190/1.1442702
- Hsu, C. J., J. A. Pabon, B. A. Sinha, and S. Asvadurov. 2007. Quadrupole acoustic shear wave logging while drilling: US Patent No. 7257489B2.
- Komatitsch, D., and R. Martin. 2007. An unsplit convolutional perfectly matched layer improved at grazing incidence for the seismic wave equation. Geophysics 72: SM155–67. doi: 10.1190/1.2757586
- Kristel, C., and S. Apostolos. 2008. A nonconvolutional, split-field, perfectly matched layer for wave propagation in isotropic and anisotropic elastic media: stability analysis. Bulletin of the Seismological Society of America 98: 1811–36. doi: 10.1785/0120070223
- Kurkjian, A. L., and S. K. Chang. 1986. Acoustic multipole sources in fluid-filled boreholes. Geophysics 51: 148–63. doi: 10.1190/1.1442028
- Li, J. X., A. Kristopher, and G. Tao. 2017. Extraction of reflected events from sonic-log waveforms using the Karhunen-Loève transform. Geophysics 82: D265–77. doi: 10.1190/geo2017-0031.1
- Matuszyk, P. J., L. F. Demkowicz, and V. C. Torres. 2012. Solution of coupled acoustic-elastic wave propagation problems with anelastic attenuation using automatic hp-adaptivity. Computer Methods in Applied Mechanics & Engineering 213–216: 299–313. doi: 10.1016/j.cma.2011.12.004
- Nakajima, H., T. Kinoshita, H. Hori, A. Dumont, and H. Nomura. 2012. Apparatus for logging while drilling acoustic measurement: US Patent No. 20120218862A1.
- Pabon, J. 2014. Acoustic logging while drilling tool with active control of source orientation: US Patent No. 8861307B2.
- Pardo, D., P. J. Matuszyk, I. Muga, C. Torres-Verdín, A. Mora, and V. M. Calo. 2013. Influence of borehole-eccentered tools in wireline and LWD sonic logging measurements. Geophysical Prospecting 61: 268–83. doi: 10.1111/1365-2478.12022
- Tang, X. M., T. Wang, and D. Patterson. 2002. Multipole acoustic logging while-drilling. SEG Technical Program Expanded Abstracts, 2002: 364–367.
- Tang, X. M., Y. Zheng, and D. Patterson. 2007. Processing array acoustic-logging data to image near-borehole geologic structures. Geophysics 72: E87–E97. doi: 10.1190/1.2435083
- Tao, G., F. J. He, B. Wang, H. Wang, and P. Chen. 2008. Study on 3rd simulation of wave fields in acoustic reflection image logging. Science China Earth Science(in Chinese) 51: 186–94. doi: 10.1007/s11430-008-6009-6
- Tsang, L., and D. Rader. 1979. Numerical evaluation of the transient acoustic waveform due to a point source in a fluid-filled borehole. Geophysics 44: 1706–20. doi: 10.1190/1.1440932
- Wang, T., and X. M. Tang. 2003. Finite-difference modelling of elastic wave propagation: a nonsplitting perfectly matched layer approach. Geophysics 68: 1749–55. doi: 10.1190/1.1620648
- Wang, B., G. Tao, T. R. Chen, and Z. Y. Zhu. 2012. Experimental study of acoustic logging while drilling measurements using an asymmetric source. Chinese Journal of Geophysics (in Chinese) 55: 327–32.
- Wang, H., G. Tao, and M. Fehler. 2015. Investigation of the high-frequency wavefield of an off center monopole acoustic Logging-While-Drilling tool. Geophysics 80: D329–41. doi: 10.1190/geo2014-0426.1
- Zhang, K., G. Tao, J. X. Li, H. Wang, and H. Liu. 2014. 3D FDM Modeling of acoustic reflection logging in a deviated well. 76th EAGE Conference and Exhibition Expanded Abstracts 2014, 1–4.
- Zhu, Z., N. Toksöz, R. Rao, and D. Burns. 2008. Experimental studies of monopole, dipole, and quadrupole acoustic logging while drilling (LWD) with scaled borehole models. Geophysics 73: E133–43. doi: 10.1190/1.2919827