Centroid phase slowness as a tool for dispers
- journal_title：Geophysics
- Contributor：Tim W. Geerits ; Xiaoming Tang
- Publisher：Society of Exploration Geophysicists
- Date：2003-
- Format：text/html
- Language：en
- Identifier：10.1190/1.1543197
- journal_abbrev：Geophysics
- issn：0016-8033
- volume：68
- issue：1
- firstpage：101
- section：BOREHOLE GEOPHYSICS AND ROCK PROPERTIES
摘要
We develop a simple and efficient method for correcting the borehole flexural-wave slowness dispersion effects. We demonstrate its validity on synthetic and field data. The theory underlying the method is derived from first principles and shows the general result that semblance-derived wave slowness is a spectral-amplitude weighted average of the wave-slowness dispersion curve. The theory also explains that a dispersion correction on the borehole flexural wave slowness is not necessary if the source frequency content is sufficiently low.