Acoustic Zoom® Seismic is a novel seismic exploration/exploitation technique adapted from sonar applications. The method is complementary to 3D seismic imaging, enabling high resolution imaging of geological structures within the seismic volume using beam-forming and beam-steering techniques. The approach uses purpose-designed steerable phased arrays, analogous to the arrays used in radio astronomy, for both the source and receiver arrays.
ACOUSTIC ZOOM SOLUTION
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Acoustic Zoom Inc
685 St. Thomas Line
Canada A1L 3V2
ACOUSTIC ZOOM IMAGING & MAPPING METHOD
The higher resolutions attainable in the Acoustic Zoom® Seismic method are derived from its use and reliance on having a densely clustered high-frequency seismic capture from a specially modified, high-fidelity vibroseis source. This seismic source is tuned to deliver higher frequency energy sweeps, in a stacked mode, than are conventionally seen or possible in current petroleum exploration. The precision of the narrow beam combined with beam-forming and steering capabilities of the resultant transmitted and received signals make possible the delivery of unprecedented resolution cells capturing the seismic granularity/roughness/texture as well as local porosity and pore pressure of the subsurface.
The Acoustic Zoom® imaging/mapping method was born out of the need to provide “earth scientists” with more localized information, the information arising from the presence of scattering due to sharp and localized material discontinuities such as tips or edges or geobodies possessing sufficiently large boundary curvature. This method is designed to excel where conventional imaging and inversion methods perform poorly or fail altogether in capturing this subtle, yet essential information to the understanding fluid transport and “textured” subsurface character. The failure of conventional methods is mainly attributed to the “blending” of localized and spatially extensive subsurface features.