Three-Dimensional Kirchhoff Migration Analysis of VSP Data from a Geothermal Field
- Key words
- seismic methods, migration, VSP, Larderello geothermal field
- Location
- Larderello, Italy
- Conference
- World Geothermal Congress
- Year
- 1995
- Session
- SECTION 4 ? Exploration and Conceptual Modeling
- Language
- English
- Paper number
- 2-Gibson
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Abstract
We investigate application of 3 D Kirchhoff migration to analysis of vertical seismic profile (VSI.) data in the Colla 2 of the Larderello geothernial field .I.uscany region of Italy. The shallow geological of field, which have mapped using surface seismic. data. are strongly 3-D, leading to complicated seismic wave propagation and suggesting that the or methods may of applicability. nients show that even with the source distribution of the Colla 2 experiment, resolution of a point scatterer is theoretically possible. However, application of migration to observed VSP data is primarily to noisy data and varying source site tions. Thr images are improved by performing a weakly migration allowing limited propagation in a
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