地震波干渉法を利用した坑井間物理探査法(<特集>地盤構造物の可視化技術の現状と課題)

概要

論文の詳細を見る
We applied Seismic Interferometry to cross-well seismology. The Green's function between two receiver locations can be retrieved using a cross-correlation of observed wave-fields at those receivers., This method is called "Virtual Source or Seismic Interferometry." With this idea, one can make pseudo cross-well seismic records from observed borehole data using the ground surface sources. We applied this methodology to field data and obtained the subsurface image by constrained pre-stack Kirchhoff migration. The pseudo records were not perfectly identical to the conventional cross-well records because of the lack of the source localizations. However, we could obtain reasonably high resolution subsurface images between two wells.
社団法人地盤工学会の論文
2009-05-01