METHOD FOR JUDGING GEOLOGY OF TIME-DELAYED EXTREMELY INTENSE ROCKBURST

METHOD AND SYSTEM FOR POSITIONING A TRAJECTORY OF AN ULTRASONIC LOGGING TOOL

SYSTEM AND METHOD FOR SEISMIC IMAGING USING HYBRID L1/L2 TRAVELTIME DIFFERENCE BASED FULL WAVEFORM INVERSION

METHOD AND APPARATUS FOR DETERMINING VELOCITY OF SUBSURFACE MEDIUM, AND DEVICE

BANDWIDTH EXTENSION VIA DEEP NEURAL NETWORKS TRAINED ON SYNTHETIC SEISMIC DATASETS

A STARTING MODEL INDEPENDENT FULL WAVEFORM INVERSION SYSTEM, METHOD, AND COMPUTER-PROGRAM PRODUCT FOR SUBSURFACE VELOCITY ESTIMATION

Detecting Near-Surface Structures

METHOD AND APPARATUS FOR IMPLEMENTING FULL WAVEFORM INVERSION USING ANGLE GATHERS

ROBUST SOURCE LOCALIZATION WITH JOINT TIME ARRIVAL AND VELOCITY ESTIMATION FOR CABLE CUT PREVENTION

SYSTEM AND METHOD FOR COMPENSATING FOR ATTENUATION OF SEISMIC ENERGY

Seismic imaging method, system, and device based on pre-stack high-angle fast Fourier transform

Detection and Removal of Delayed Seismic Travel Times Produced by Velocity Inversions

System and method for estimating one-way propagation operators

Full-waveform inversion using partial time shifts and enhanced kinematic transforms

Mapping near-surface heterogeneities in a subterranean formation

Computer-implemented method and system employing nonlinear direct prestack seismic inversion for poisson impedance

Source-receiver position estimation using direct arrival modeling and inversion

Systems and methods of determining parameters of a marine seismic survey

THREE-DIMENSIONAL ELASTIC FREQUENCY-DOMAIN ITERATIVE SOLVER FOR FULL WAVEFORM INVERSION

THREE-DIMENSIONAL ELASTIC FREQUENCY-DOMAIN ITERATIVE SOLVER FOR FULL WAVEFORM INVERSION

Reconstruction of multi-shot, multi-channel seismic wavefields

Method and apparatus for seismic imaging processing with enhanced geologic structure preservation

Determining node depth and water column transit velocity

Sand pack and gravel pack acoustic evaluation method and system

System for generating velocity models of subsalt formations

Integrated method for estimation of seismic wavelets and synthesis of seismic records in depth domain

Inversion with exponentially encoded seismic data

Determining node depth and water column transit velocity

Method for seismic exploration using a multiple-inclusive source wavelet

Full wavefield inversion of ocean bottom seismic data

Seismic exploration using image-based reflection full waveform inversion to update low wavenumber velocity model

System and method for improved full waveform inversion

System and method for image-domain full waveform inversion

SEISMIC INVERSION CONSTRAINED BY REAL-TIME MEASUREMENTS

Seismic acquisition method and apparatus

Omnidirectional vector seismic data processing method and apparatus, computer-readable storage medium and device

Three-dimensional elastic frequency-domain iterative solver for full waveform inversion

Post-critical reflection muting in seismic migration

Seismic elastic wave simulation for tilted transversely isotropic media using adaptive lebedev staggered grid

Systems and methods for removal of electromagnetic dispersion and attenuation for imaging of proppant in an induced fracture

Method for predicting multiples in survey data

Velocity model update with an inversion gradient

Joint inversion of seismic data

Determining node depth and water column transit velocity

Estimating multiple subsurface parameters by cascaded inversion of wavefield components

Elastic reverse-time migration system and method using absolute value function for improving the quality of subsurface structure imaging

System and method for high resolution seismic imaging

Estimate of formation mobility from Stoneley waveforms

Modeling and filtering coherent noise in seismic surveys

Device and method for mitigating cycle-skipping in full waveform inversion

Full waveform inversion method for seismic data processing using preserved amplitude reverse time migration

Seismic data processing

Black hole boundary conditions

Multistage full wavefield inversion process that generates a multiple free data set

Poynting vector minimal reflection boundary conditions

Performing tomography to build orthorhombic models

Seismic acquisition method and apparatus

Seismic acquisition method and apparatus

Seismic acquisition method and apparatus

Method for processing borehole seismic data

Compensating for space and slowness/angle blurring of reflectivity

Methods and systems for seismic inversion and related seismic data processing

Seismic survey design using full wavefield inversion

Generating subterranean imaging data based on vertical seismic profile data

Systems and methods for removal of electromagnetic dispersion and attenuation for imaging of proppant in an induced fracture

Determination of an impulse response at a subsurface image level

Signal processing device and signal processing method

Seismic imaging apparatus and method for performing iterative application of direct waveform inversion

Methods and systems for seismic modeling using multiple seismic source types

Methods and systems for multicomponent time-lapse seismic measurement to calculate time strains and a system for verifying and calibrating a geomechanical reservoir simulator response

Processing wavefield data incorporating large timesteps and upscaled medium properties

Methods and systems for constraining multiples attenuation in seismic data

ATTENUATION OF MULTIPLE REFLECTIONS

Convergence rate of full wavefield inversion using spectral shaping

Wave-equation migration velocity analysis using image warping

Analytic estimation apparatus, methods, and systems

Formation property determination apparatus, methods, and systems

Efficient wavefield extrapolation in anisotropic media

Detection of sinkholes or anomalies

Seismic inversion for formation properties and attenuation effects

Seismic surveying techniques with illumination areas identifiable from primary and higher-order reflections

Model based inversion of seismic response for determining formation properties

Inversion using a filtering operator

Vectorization of fast fourier transform for elastic wave propogation for use in seismic underwater exploration of geographical areas of interest

Probablistic subsurface modeling for improved drill control and real-time correction

Iterative inversion of data from simultaneous geophysical sources

Parameterizing a geological subsurface feature

Methods for approximating hessian times vector operation in full wavefield inversion

Methods and devices for transformation of collected data for improved visualization capability

Reciprocal method two-way wave equation targeted data selection for improved imaging of complex geologic structures

Seismic P-wave modelling in an inhomogeneous transversely isotropic medium with a tilted symmetry axis

Using projection onto convex sets to constrain full-wavefield inversion

Passive monitoring method for seismic events

Convergence rate of full wavefield inversion using spectral shaping

METHODS AND APPARATUS FOR SEISMIC IMAGING WHICH ACCOUNTS FOR SEA-SURFACE VARIATIONS

Full waveform inversion using combined shot data and no scratch disk

RTM seismic imaging without scratch data storage system and method

SYSTEM AND METHOD FOR SEISMIC DATA INVERSION BY NON-LINEAR MODEL UPDATE

Method of wavelet estimation and multiple prediction in full wavefield inversion

System and method for seismic imaging with reduced computational cost

METHODS AND COMPUTING SYSTEMS FOR IMPROVED IMAGING OF ACQUIRED DATA

ENERGY DENSITY AND STRESS IMAGING CONDITIONS FOR SOURCE LOCALIZATION AND CHARACTERIZATION

Computing a calibration term based on combining divergence data and seismic data

Iterative inversion of data from simultaneous geophysical sources

Simultaneous source encoding and source separation as a practical solution for full wavefield inversion

Hybrid method for full waveform inversion using simultaneous and sequential source method

Apparatus and method for imaging a subsurface using frequency-domain elastic reverse-time migration

METHOD AND APPARATUS FOR TIME-DOMAIN REVERSE-TIME MIGRATION WITH SOURCE ESTIMATION

REVERSE TIME MIGRATION BACK-SCATTERING NOISE REMOVAL USING DECOMPOSED WAVEFIELD DIRECTIVITY

Determining a position of a geological layer relative to a wavelet response in seismic data

Time reverse reservoir localization

Time reverse reservoir localization with borehole data

Shot gather data beamer and debeamer

Reverse time migration with absorbing and random boundaries

Regulating coherent boundary reflections during generation of a modeled wavefield

Data acquisition and prestack migration based on seismic visibility analysis

Multicomponent seismic inversion of VSP data

Data set inversion using source-receiver compression

Wave equation illumination

Method for processing borehole seismic data

Fast iterative method for processing hamilton-jacobi equations

Method for propagating pseudo acoustic quasi-P waves in anisotropic media

Methods and systems for multicomponent time-lapse seismic measurement to calculate time strains and a system for verifying and calibrating a geomechanical reservoir simulator response

Spectral shaping inversion and migration of seismic data

Method for target-oriented reverse time migration for prestack depth imaging

Borehole seismic inversion in anisotropic formation

Method of surface seismic imaging using both reflected and transmitted waves

Time Reverse Reservoir Localization

Time Reverse Reservoir Localization

Time reverse reservoir localization

Adaptive wavefront reconstruction

System and method for deriving seismic wave fields using both ray-based and finite-element principles

REMOVING NON-PHYSICAL WAVEFIELDS FROM INTERFEROMETRIC GREEN'S FUNCTIONS

Reverse-time depth migration with reduced memory requirements

Iterative inversion of data from simultaneous geophysical sources

Using a wave propagator for transversely isotropic media

Processing Data Representing Energy Propagating Through A Medium

Method for velocity analysis using waveform inversion in Laplace domain for geophysical imaging

Creating an Absorption Parameter Model

Apparatus and Method for Processing Geophysical Information

Method for processing borehole seismic data

Time reverse reservoir localization

System and method for 3D frequency domain waveform inversion based on 3D time-domain forward modeling

Low frequency model estimation

Method for processing borehole seismic data

Illumination monitoring process for making infill decisions

Method for wavelet-based seismic amplitude inversion

Continuously combining seismic migration results using a massively parallel processing (MPP) database