Locating a Diffractor Below Plane Layers of Constant Interval Velocity and Varying Dip
P. Hubral, 2016. "Locating a Diffractor Below Plane Layers of Constant Interval Velocity and Varying Dip", Seismic Diffraction, Kamil Klem-Musatov, Henning Hoeber, Michael Pelissier, Tijmen Jan Moser
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For a two-dimensional situation, a direct solution exists to the problem of locating a point diffractor below plane layers of constant interval velocity and varying dip. The required surface measurements are obtainable from an arbitrary portion of the observed diffraction curve on the stacked section. The method resembles the computing of plane dipping layers o£ constant interval velocity from common depth point surface measurements.
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The use of diffraction imaging to complement the seismic reflection method is rapidly gaining momentum in the oil and gas industry. As the industry moves toward exploiting smaller and more complex conventional reservoirs and extensive new unconventional resource plays, the application of the seismic diffraction method to image sub-wavelength features such as small-scale faults, fractures and stratigraphic pinchouts is expected to increase dramatically over the next few years. “Seismic Diffraction” covers seismic diffraction theory, modeling, observation, and imaging. Papers and discussion include an overview of seismic diffractions, including classic papers which introduced the potential of diffraction phenomena in seismic processing; papers on the forward modeling of seismic diffractions, with an emphasis on the theoretical principles; papers which describe techniques for diffraction mathematical modeling as well as laboratory experiments for the physical modeling of diffractions; key papers dealing with the observation of seismic diffractions, in near-surface-, reservoir-, as well as crustal studies; and key papers on diffraction imaging.