Abstract

PEREZ, Gabriel  and  MARFURT, Kurt. IMPROVING VERTICAL AND LATERAL RESOLUTION BY STRETCH-FREE, HORIZON-ORIENTED IMAGING. Earth Sci. Res. J. [online]. 2006, vol.10, n.2, pp.147-156. ISSN 1794-6190.

The pre-stack Kirchhoff migration is implemented for delivering wavelet stretch-free imaged data, if the migration is (ideally) limited to the wavelet corresponding to a target horizon. Avoiding wavelet stretch provides long-offset imaged data, far beyond what is reached in conventional migration and results in images from the target with improved vertical and lateral resolution and angular illumination. Increasing the range of imaged offsets also increases the sensitivity to event-crossing, velocity errors and anisotropy. These issues must be addressed to fully achieve the greatest potential of this technique. These ideas are further illustrated with a land survey seismic data application in Texas, U.S.

Keywords : Pre-stack Kirchoff migration; seimic data; wavelet stretch-free data; Texas.

        · abstract in Spanish     · text in English     · English ( pdf )