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Keywords: dispersion data
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Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5076
... model is used as a reference to compensate for the dispersion effect, or a model-independent method, which optimizes nonphysical parameters to fit a simplified model to the field dispersion data extracted in the slowness-frequency domain. Many methods often require inputs such as mud slowness, frequency...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-KK
... its effect on log response. In such situations, using acoustic dipole shear and flexural wave dispersion data coupled with induction logs in the petrophysical workflow provides an alternative method for evaluating porosity and water saturation. Shear and flexural wave data are less influenced by fluid...
Proceedings Papers

Paper presented at the SPWLA 52nd Annual Logging Symposium, May 14–18, 2011
Paper Number: SPWLA-2011-ZZZ
... sensitive to the near-borehole velocity change. This allows for developing an inversion method to estimate the radial change from the dispersion data. We also discuss the nonuniqueness issue of the inversion and ways to solve it. The dispersion data and the inversion results clearly demonstrate that...
Proceedings Papers

Paper presented at the SPWLA 46th Annual Logging Symposium, June 26–29, 2005
Paper Number: SPWLA-2005-R
... that the above procedure yields reliable compressional wave slowness for the unconsolidated slow formations. Upstream Oil & Gas dispersion data frequency range frequency waveform data unconsolidated slow formation dispersion effect spwla 46 well logging modeling slow formation...

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