抄録
Recent developments of seismic exploration technology are reviewed in the Ayukawa area, Akita Prefecture, considered to be a typical ‘difficult terrain’ area for seismic exploration.
Next, the areal distribution of dolerite facies in the Onnagawa Formation, a regional primary reservoir, is estimated through the following integrated approaches; (1) construction of a reliable amplitude anomaly map based on relative amplitude preservation, (2) extraction of the typical seismic characters obtained from well log data, (3) evaluation of seismic attribute displays, (4) inspection of seismic resolution by acoustic impedance modeling.
By establishing a lithological evaluation methodology, it is possible to predict the distribution and thickness of dolerite facies in the Ayukawa area.
