John E. Anderson, Houston US
John E. Anderson, Houston, TX US
Patent application number | Description | Published |
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20100018718 | ITERATIVE INVERSION OF DATA FROM SIMULTANEOUS GEOPHYSICAL SOURCES - Method for reducing the time needed to perform geophysical inversion by using simultaneous encoded sources in the simulation steps of the inversion process. The geophysical survey data are prepared by encoding ( | 01-28-2010 |
20110194379 | Methods For Subsurface Parameter Estimation In Full Wavefield Inversion And Reverse-Time Migration - Method for converting seismic data to obtain a subsurface model of, for example, bulk modulus or density. The gradient of an objective function is computed ( | 08-11-2011 |
20110238390 | Full Wavefield Inversion Using Time Varying Filters - An improved method for reducing the accuracy requirements on the starting model when performing multi-scale inversion of seismic data ( | 09-29-2011 |
20110288831 | METHOD AND SYSTEM FOR CHECKPOINTING DURING SIMULATIONS - Method and system for more efficient checkpointing strategy in cross correlating ( | 11-24-2011 |
20120109612 | Iterative Inversion of Data From Simultaneous Geophysical Sources - Method for reducing the time needed to perform geophysical inversion by using simultaneous encoded sources in the simulation steps of the inversion process. The geophysical survey data are prepared by encoding ( | 05-03-2012 |
20130191090 | Iterative Inversion of Data from Simultaneous Geophysical Sources - Method for reducing the time needed to perform geophysical inversion by using simultaneous encoded sources in the simulation steps of the inversion process. The geophysical survey data are prepared by encoding ( | 07-25-2013 |
20140372043 | Full Waveform Inversion Using Perfectly Reflectionless Subgridding - Method for reconstructing subsurface profiles for seismic velocity or other geophysical properties from recorded seismic data. In one embodiment, a starting model of seismic velocity is assumed ( | 12-18-2014 |
20150355356 | Method for Temporal Dispersion Correction for Seismic Simulation, RTM and FWI - Method for correcting seismic simulations, RTM, and FWI for temporal dispersion due to temporal finite difference methods in which time derivatives are approximated to a specified order of approximation. Computer-simulated seismic data ( | 12-10-2015 |