173543 ⎘
Details of seismic processing or analysis; Analysis; Wave propagation modeling Reverse-time modeling or coalescence modelling, i.e. starting from receivers
ACOUSTIC IMAGING USING COLLOCATED PRESSURE AND PRESSURE GRADIENT DATA MEASUREMENTS
#2METHOD AND APPARATUS FOR SOURCE WAVELET ESTIMATION
#3Method and Apparatus for Cycle Skip Avoidance
#4SYSTEM AND METHOD FOR ROBUST SEISMIC IMAGING
#5System and method for forming a seismic velocity model and imaging a subterranean region
#6SEISMIC MIGRATION TECHNIQUES FOR IMPROVED IMAGE ACCURACY
#7Low-Frequency Seismic Survey Design
#8Computer-implemented method for high speed multi-source loading and retrieval of wavefields employing finite difference models
#9SYSTEM AND METHOD FOR REAL-TIME PASSIVE SEISMIC EVENT LOCALIZATION
#10Inversion, migration, and imaging related to isotropic wave-mode- independent attenuation
#11Unified continuous seismic reservoir monitoring
#12System and method for real-time passive seismic event localization
#13FAST PLANE-WAVE REVERSE TIME MIGRATION
#14Methods using travel-time full waveform inversion for imaging subsurface formations with salt bodies
#15Visco-acoustic full waveform inversion of velocity and Q
#16Wavefield propagator for tilted orthorhombic media
#17Systems and methods for detecting seismo-electromagnetic conversion
#18Systems and methods for using Stoneley waves for bottom-hole proximity detection
#19Processes and systems for correcting receiver motion and separating wavefields in seismic data recorded with multicomponent streamers
#20False image removal in reverse time migration
#21Multi-scale manifold learning for full waveform inversion
#22Visco-pseudo-elastic TTI FWI/RTM formulation and implementation
#23SYSTEM AND METHOD FOR FULL WAVEFORM INVERSION OF SEISMIC DATA
#24SYSTEM AND METHOD FOR CREATING SEISMIC VIBRATIONS
#25Seismic acquisition method and apparatus
#26Modeling angle domain common image gathers from reverse time migration
#27Generating a velocity model using subsurface azimuth and reflection angle dependent full waveform inversion
#28SALT PROXIMITY IMAGING USING REVERSE TIME MIGRATION OF TRANSMITTED VERTICAL SEISMIC PROFILE DATA
#29Scalable computation and communication methods for domain decomposition of large-scale numerical simulations
#30Method to calculate acquisition illumination
#31METHOD FOR ANGLE-DOMAIN COMMON IMAGE GATHER
#32System and method for reconstructed wavefield imaging
#33Seismic acquisition geometry full-waveform inversion
#34Method for estimating petrophysical properties for single or multiple scenarios from several spectrally variable seismic and full wavefield inversion products
#35Diving wave illumination using migration gathers
#36Reverse time migration in anisotropic media with stable attenuation compensation
#37FWI with areal and point sources
#38Method and apparatus for estimating surface wave coda using time-reversal experiments
#392D multiline seismic reflection tomography with seismic-tie constraint
#40Method of operating a data-processing system for the simulation of the acoustic wave propagation in the transversely isotropic media comprising an hydrocarbon reservoir
#41Multiples mitigation and imaging with incomplete seismic data
#42Systems and methods for removal of electromagnetic dispersion and attenuation for imaging of proppant in an induced fracture
#43Efficient seismic attribute gather generation with data synthesis and expectation method
#44System and method for reconstructed wavefield inversion
#45Device and method for constrained wave-field separation
#46Combination of controlled and uncontrolled seismic data
#47Elastic reverse-time migration system and method using absolute value function for improving the quality of subsurface structure imaging
#48Krylov-space-based quasi-newton preconditioner for full-wavefield inversion
#49System and method for high resolution seismic imaging
#50Method of removing noise in seismic reverse-time migration
#51TRANSMISSION WITHOUT REVERBERATION BY ITERATIVE INCOMPLETE TIME-REVERSAL
#52REVERSE TIME MIGRATION BASED ON GEOMETRIC MEAN FOR IMAGING SEISMIC SOURCES
#53Seismic data processing
#54System and method of estimating anisotropy properties of geological formations using a self-adjoint pseudoacoustic wave propagator
#55Method for survey data processing compensating for visco-acoustic effects in tilted transverse isotropy reverse time migration
#56System and method for salt surface updating via wavefield redatuming
#57Full waveform inversion method for seismic data processing using preserved amplitude reverse time migration
#58Seismic data processing
#59Beat tone full waveform inversion
#60Induced seismic source method and device
#61Seismic acquisition method and apparatus
#62Seismic acquisition method and apparatus
#63METHOD FOR ITERATIVE INVERSION OF DATA FROM COMPOSITE SOURCES
#64Seismic acquisition method and apparatus
#65Seismic imaging with visco-acoustic reverse-time migration using pseudo-analytical method
#66Method for elastic model perturbation estimation from reverse time migration
#67Compensating for space and slowness/angle blurring of reflectivity
#68METHODS AND DEVICES FOR TRANSFORMATION OF COLLECTED DATA FOR IMPROVED VISUALIZATION CAPABILITY
#69Seismic survey design using full wavefield inversion
#70Full-Wavefield Inversion Using Mirror Source-Receiver Geometry
#71Systems and methods for removal of electromagnetic dispersion and attenuation for imaging of proppant in an induced fracture
#72Seismic imaging apparatus and method for performing iterative application of direct waveform inversion
#73Method for temporal dispersion correction for seismic simulation, RTM and FWI
#74Processing wavefield data incorporating large timesteps and upscaled medium properties
#753-D harmonic-source reverse time migration systems and methods for seismic data analysis
#76Generalized internal multiple imaging
#77Method apparatus and system for migration noise attenuation and image enhancement
#78Seismic velocity model updating and imaging with elastic wave imaging
#79Device and method for stable least-squares reverse time migration
#80Efficient wavefield compression in seismic imaging
#81Efficient wavefield compression in seismic imaging
#82Apparatus and method for reconstructing complex salt geometry using dual-flood RTM with prismatic waves
#83Earthquake precursor observation device and method
#84Seismic data processing including compensating for source and receiver ghost effects in reverse time migration
#85Inversion using a filtering operator
#86Seismic data processing including predicting multiples using a reverse time demigration
#87Reverse time migration model dip-guided imaging
#88Methods for approximating hessian times vector operation in full wavefield inversion
#89Methods and devices for transformation of collected data for improved visualization capability
#90Reciprocal method two-way wave equation targeted data selection for improved imaging of complex geologic structures
#91Reciprocal method two-way wave equation targeted data selection for seismic acquisition of complex geologic structures
#92Efficient computation of wave equation migration angle gathers
#93Seismic P-wave modelling in an inhomogeneous transversely isotropic medium with a tilted symmetry axis
#94METHODS AND APPARATUS FOR SEISMIC IMAGING WHICH ACCOUNTS FOR SEA-SURFACE VARIATIONS
#95Full waveform inversion using combined shot data and no scratch disk
#96Device and method for extrapolating specular energy of reverse time migration three dimensional angle gathers
#97Seismic Imaging Systems and Methods Employing a 3D Reverse Time Migration with Tilted Transverse Isotropy
#98Device and method for calculating 3D reverse time migration in tilted orthorhombic media
#99System and method for seismic data modeling and migration
#100System and method for seismic imaging with reduced computational cost
#101METHODS AND COMPUTING SYSTEMS FOR IMPROVED IMAGING OF ACQUIRED DATA
#102Performing reverse time imaging of multicomponent acoustic and seismic data
#103ENERGY DENSITY AND STRESS IMAGING CONDITIONS FOR SOURCE LOCALIZATION AND CHARACTERIZATION
#104Generating an angle domain common image gather
#105Device and method for calculating 3D angle gathers from reverse time migration
#106System and method for generating images of subsurface structures
#107METHOD AND APPARATUS FOR TIME-DOMAIN REVERSE-TIME MIGRATION WITH SOURCE ESTIMATION
#108REVERSE TIME MIGRATION BACK-SCATTERING NOISE REMOVAL USING DECOMPOSED WAVEFIELD DIRECTIVITY
#1093-D harmonic-source reverse time migration systems and methods for seismic data analysis
#110IMAGE DOMAIN SIGNAL TO NOISE ESTIMATE WITH BOREHOLE DATA
#111TIME REVERSE IMAGING ATTRIBUTES WITH BOREHOLE DATA
#112Time reverse reservoir localization
#113Time reverse reservoir localization with borehole data
#114TIME REVERSE IMAGING OPERATORS FOR SOURCE LOCATION WITH BOREHOLE DATA
#115Reverse time migration with absorbing and random boundaries
#116Method and system for checkpointing during simulations
#117TIME REVERSE IMAGING OPERATORS FOR SOURCE LOCATION
#118IMAGE DOMAIN SIGNAL TO NOISE ESTIMATE
#119TIME REVERSE IMAGING ATTRIBUTES
#120Data acquisition and prestack migration based on seismic visibility analysis
#121Methods for subsurface parameter estimation in full wavefield inversion and reverse-time migration
#122Full-waveform inversion in the traveltime domain
#123METHOD FOR WAVEFIELD-BASED DATA PROCESSING INCLUDING UTILIZING MULTIPLES TO DETERMINE SUBSURFACE CHARACTERISTICS OF A SUBURFACE REGION
#124Method for target-oriented reverse time migration for prestack depth imaging
#125Method of surface seismic imaging using both reflected and transmitted waves
#126Time Reverse Reservoir Localization
#127Time Reverse Reservoir Localization
#128Time reverse reservoir localization
#129METHOD FOR GENERATION OF IMAGES RELATED TO A SUBSURFACE REGION OF INTEREST
#130REMOVING NON-PHYSICAL WAVEFIELDS FROM INTERFEROMETRIC GREEN'S FUNCTIONS
#131Reverse-time depth migration with reduced memory requirements
#132Methods and systems for processing acoustic waveform data
#133Processing Data Representing Energy Propagating Through A Medium
#134Methods and systems for processing microseismic data
#135Microseismic event detection and location by continuous map migration
#136Time reverse reservoir localization
#137Method of Building a Subsurface Velocity Model
#138Dynamic acoustic focusing utilizing time reversal
#139Microseismic event detection and location by continuous map migration