US7684846B2 - Apparatus and method for imaging objects with wavefields - Google Patents
US7684846B2 - Apparatus and method for imaging objects with wavefields - Google Patents …

BACKGROUND A Seismic Survey represents an attempt to map the Sub Surface of the earth
by Sending Sound energy down into the ground and recording the" echoes” that return from …

4,686,654 A 8, 1987 Savit 7,110,900 B2 92006 Adler et al. 4,707,812 A 1 1/1987 Martinez
7,184,367 B2 2/2007 Yin 4,715,020 A 12/1987 Landrum, Jr. 7,230,879 B2 6, 2007 …

A method is disclosed for the generation and application of anisotropic elastic parameters.
Anisotropic elastic param eters are generated Such that, for Selected Seismic wave and …

Method for reducing the time needed to perform geophysical inversion by using
simultaneous encoded sources in the simu lation steps of the inversion process. The …

The invention relates in particular to a method for deter mining the anisotropic properties of
an unknown earth formation by means of Seismic exploration. The method comprises the …

(57) ABSTRACT A geophysical model of a subsurface region is generated based on seismic
data, eg, seismic re? ection data. Migration and seismic inversion are applied to the seismic …

(57) ABSTRACT A method to classify one or more seismic surfaces or surface patches
based on measurements from seismic data, includ ing: obtaining, by a computer, a training …

(57) ABSTRACT A method, including: obtaining a velocity model generated by an acoustic
full wavefield inversion process; generating, with a computer, a variable Q model by …

The instant invention is a method for numerically propagating waves or Solving wave
equations on a digital computer. This invention can be used to compute highly accurate …