3 COMPONENT VERTICAL SEISMIC PROFILING (VSP) EXPERIMENT IN THE SUDBURY BASIN

Authors
MIAO X MOON WM MILKEREIT B MWENIFUMBO CJ
Citation
X. Miao et al., 3 COMPONENT VERTICAL SEISMIC PROFILING (VSP) EXPERIMENT IN THE SUDBURY BASIN, Geophysical research letters, 21(10), 1994, pp. 939-942
Citations number
13
Categorie Soggetti
Geosciences, Interdisciplinary
Journal title
Geophysical research letters → ACNP
ISSN journal
00948276
Volume
21
Issue
10
Year of publication
1994
Pages
939 - 942
Database
ISI
SICI code
0094-8276(1994)21:10<939:3CVSP(>2.0.ZU;2-0
Abstract
A three component VSP experiment was carried out in the metasedimentar y Whitewater group of the Sudbury Structure. Processing of the VSP dat a focused on velocity analysis, wavefield separation, shear-wave analy sis, waveform modelling, hodogram analysis, and integration of surface -seismic and borehole geophysical data. Wavefield separation processin g and synthetic VSP modelling resulted in a realistic velocity model a nd the corridor-stacked compressional section correlates well with the surface seismic reflection data. The shear wave section provides an a dditional constraint on the subsurface structure. Besides establishing a direct link between borehole lithologies and surface seismic images , the VSP data, using three component particle motion velocity hodogra ms, provide an independent estimate of true reflector dip in the subsu rface of the Sudbury Structure.