Convergence rate of full wavefield inversion using spectral shaping

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

Seismic data processing

Full waveform inversion using combined shot data and no scratch disk

Frequency-dependent ray tracing through an interface

Coupled time-distance dependent swept frequency source acquisition design and data de-noising

Seismic Data Processing

Seismic data filtering based on vibrator-coupled ground model

Determining an indication of wavefield velocity

Selecting a survey setting for characterizing a target structure

Simultaneous wavelet extraction and deconvolution in the time domain

System and method for seismic imaging with reduced computational cost

Method and device for processing seismic data

Method and apparatus for deghosting seismic data

Method and system to reduce: memory requirements, device-to-host transfer bandwidth requirements, and setup time, for seismic modeling on graphics processing units

Link policy routing based on link utilization

Device and method for determining S-wave attenuation in near-surface condition

Method of constructing a flow model associated with capillary pressure curves and/or relative permeability curves

System and method for increasing granularity of prefix control in a computer network

ENERGY DENSITY AND STRESS IMAGING CONDITIONS FOR SOURCE LOCALIZATION AND CHARACTERIZATION

NON-HYPERBOLIC CORRECTION OF SEISMIC DATA

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

Method to improve spatial sampling of vertical motion of seismic wavefields on the water bottom by utilizing horizontal rotational motion and vertical motion sensors

Iterative inversion of data from simultaneous geophysical sources

Method of developing a petroleum reservoir from history matching of production data and seismic data

Radon migration of acoustic data

Methods and computer-readable medium to implement inversion of angle gathers for rock physics reflectivity attributes

Processing seismic data

Matching pursuit-based apparatus and technique to construct a seismic signal using a predicted energy distribution

Monitoring the quality of particle motion data during a seismic acquisition

Interferometric seismic data processing for a towed marine survey

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

System, machine, and computer-readable storage medium for forming an enhanced seismic trace using a virtual seismic array

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

PROCESSING SEISMIC DATA

Optimal source signature determination

VH Reservoir Mapping with Borehole Sensors

Seismic imaging systems and methods employing a fast target-oriented illumination calculation

VH Reservoir Mapping with Synchronous Data

System and method for reconstruction of time-lapse data

Time reverse reservoir localization

Time reverse reservoir localization with borehole data

Methods and apparatus for computer-estimating a function of a probability distribution of a variable

System and method for migrating seismic data

EFFICIENT WINDOWED RADON TRANSFORM

Shot gather data beamer and debeamer

Providing an imaging operator for imaging a subterranean structure

Correcting geometry-related time and amplitude errors

System for acquiring seismic data over sand dune surfaces

Reverse time migration with absorbing and random boundaries

Segment identification and classification using horizon structure

Method and apparatus for deghosting seismic data

APPARATUS AND METHOD FOR IMAGING SUBSURFACE STRUCTURE

Active noise injection computations for improved predictability in oil and gas reservoir characterization and microseismic event analysis

Method and system for checkpointing during simulations

Multicomponent seismic inversion of VSP data

Hydrocarbon detection with passive seismic data

Method and apparatus for resolving piled-up pulses by using a mathematical transform

Data set inversion using source-receiver compression

Active noise injection computations for improved predictability in oil and gas reservoir discovery and characterization

METHOD OF PROCESSING SEISMIC DATA

Methods for subsurface parameter estimation in full wavefield inversion and reverse-time migration

Interpolation of periodic data

Deghosting and interpolating seismic data

Method and device for processing seismic data

Seismic processing for the elimination of multiple reflections

Method for processing borehole seismic data

Seismic data acquisition and processing quality control

Diplet-based seismic processing

METHODS OF INVESTIGATING AN UNDERGROUND FORMATION AND PRODUCING HYDROCARBONS, AND COMPUTER PROGRAM PRODUCT

Method for combining seismic data sets

Method For Combining Seismic Data Sets

Geophysical signal processing

Migration-based illumination determination for AVA risk assessment

System and method for seismic beam formation that accounts for equipment misalignment

SYSTEM AND METHOD FOR CLUSTERING ARRIVALS OF SEISMIC ENERGY TO ENHANCE SUBSURFACE IMAGING

Determining elastic and fluid flow properties of a fractured reservoir

Method of and apparatus for exploring a region below a surface of the earth

Flexural wave attenuation

Variable grid for finite difference computation

SYSTEM AND METHOD FOR SEISMOLOGICAL SOUNDING

Method of exploring a region below a surface of the earth

METHOD OF PRE-STACK TWO-DIMENSION-LIKE TRANSFORMATION OF THREE-DIMENSIONAL SEISMIC RECORD

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

Interpolation and/or extrapolation of seismic data

Methods for estimating location using signal with varying signal speed

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

METHOD FOR WAVEFIELD-BASED DATA PROCESSING INCLUDING UTILIZING MULTIPLES TO DETERMINE SUBSURFACE CHARACTERISTICS OF A SUBURFACE REGION

Spatial interpolation of irregularly spaced seismic data

Surface wave mitigation in spatially inhomogeneous media

Characterizing spatial variability of surface waves in seismic processing

Petrophysics-guided processing of LWD acoustic data

Technique for policy conflict resolution using priority with variance

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

Method for Determination of Diffractor Locations at Sea Bottom for the Purpose of Attenuating Such Energy

Method for analyzing multiple geophysical data sets

Borehole seismic inversion in anisotropic formation

Method of representing seismic signals

Method for calibrating seismic imaging velocities

Method of surface seismic imaging using both reflected and transmitted waves

Using seismic attributes for data alignment and seismic inversion in joint PP/PS seismic analysis

Time Reverse Reservoir Localization

Time Reverse Reservoir Localization

Time reverse reservoir localization

VH reservoir mapping

Vibroseis acquisition method

Resistivity logging with reduced dip artifacts

Estimation of propagation angles of seismic waves in geology with application to determination of propagation velocity and angle-domain imaging

Fourier finite-difference migration for three dimensional tilted transverse isotropic media

Simultaneous Multiple Source Extended Inversion

REMOVING NON-PHYSICAL WAVEFIELDS FROM INTERFEROMETRIC GREEN'S FUNCTIONS

Common reflection azimuth migration

Measuring and modifying directionality of seismic interferometry data

Reverse-time depth migration with reduced memory requirements

Locating oil or gas actively by exciting a porous oil and gas saturated system to give off its characteristic resonance response, with optional differentiation of oil, gas and water

Optimizing seismic processing and amplitude inversion utilizing statistical comparisons of seismic to well control data

Iterative inversion of data from simultaneous geophysical sources

Flexural wave attenuation

Vector 3-component 3-dimensional Kirchhoff prestack migration

Processing seismic data using combined regularization and 4D binning

Methods and systems for processing acoustic waveform data

Fast residual migration of seismic data through parsimonious image decomposition

Wavefront-defined Radon transform

Integration of geomechanics and seismic analysis for passive seismic feasibility analysis

System and method for migrating seismic data

System and method for efficient well placement optimization

Method for three dimensional seismic travel time tomography in transversely isotropic media

Three-dimensional mechanical earth modeling

VH signal integration measure for seismic data

Geological Response Data Imaging With Stream Processors

Method For Combining Seismic Data Sets

Diagonal gather trace interpolation

Method for acoustic imaging of the earth's subsurface using a fixed position sensor array and beam steering

Autonomic seismic data processing

SEISMIC DATA PROCESSING WORKFLOW DECISION TREE

Passive reflective imaging for visualizing subsurface structures in earth and water

Method of seismic data processing

Processing Data Representing Energy Propagating Through A Medium

4D+ PRESTACK SEISMIC DATA STRUCTURE, AND METHODS AND APPARATUS FOR PROCESSING 4D+ PRESTACK SEISMIC DATA

SEISMIC DATA PROCESSING METHOD AND SYSTEM FOR MIGRATION OF SEISMIC SIGNALS INCORPORATING AZIMUTHAL VARIATIONS IN THE VELOCITY

Methods for estimating location using signal with varying signal speed

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

Creating an Absorption Parameter Model

System and method for processing seismic data for interpretation

Method of seismic processing of the type comprising depth migration before addition

Method for optimal wave field separation

Methods of hydrocarbon detection using spectral energy analysis

Inverse-vector method for smoothing dips and azimuths

Method for reducing 3-D migration operator to 2-D migration operator for inhomogeneous media

Method of and apparatus for analyzing noise in a signal processing system

Interpolation of Irregular Data

Multi-component seismic data processing

Method for processing borehole seismic data

Time reverse reservoir localization

Diagonal gather trace interpolation

Seismic data processing method and system for migration of seismic signals incorporating azimuthal variations in the velocity

Seismic imaging with natural Green's functions derived from VSP data

SYSTEM AND METHOD FOR DETERMINING SEISMIC EVENT LOCATION

Systems and methods for detecting shallow buried objects

Migrating composite seismic response data to produce a representation of a seismic volume

Generalized 3D surface multiple prediction

VH signal integration measure for seismic data

Signal integration measure for seismic data

VH Reservoir Mapping

Frequency autonormalisation reservoir mapping

Processing of seismic data using the S-transform

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

Low frequency model estimation

Diplet-based seismic processing

Method for seismic migration in anisotropic media with constrained explicit operators

Method for seismic exploration

Prediction of shallow drilling hazards using seismic refraction data

Displacement field calculation

Method of evaluating the interaction between a wavefield and a solid body

Estimation methods for wave speed

Local dominant wave-vector analysis of seismic data

Seismic processing for the elimination of multiple reflections

Method and Apparatus for Efficient Data Acquisition and Interpolation

Method of generating sample data from a computerized model using acoustic simulations

Method for processing acoustic reflections in array data to image near-borehole geological structure

Industrial field device with automatic indication of solids

Method for reconstructing complex wave attributes from limited view measurements

Processing seismic data representative of the acceleration wavefield

System and Method for Interpreting Seismic Data

Method for estimation of interval seismic quality factor

Apparatus and method for performing the time delay estimation of signals propagating through an environment

Stretch free trace processing using block move sum and phase-based move out corrected data

Device Used for Analyzing Data Retrieved from an Acoustic Gun for Distance Sounding

Stretch free trace processing using block move sum and phase-based move out corrected data

Method for combining seismic data sets

Petroleum exploration and prediction apparatus and method

Method of estimating the illumination fold in the migrated domain

Multiple suppression in angle domain time and depth migration

Method of DMO calculation for use in seismic exploration

Method to convert seismic traces into petrophysical property logs

Method for packing and filtering geophysical events to retrieve therefrom data on the type of subsoil

Method of determining specular information after prestack seismic imaging

Methods and apparatus for processing seismic data

Method for data regularization for shot domain processing

Amplitude preserving prestack migration method

Method for depth migrating seismic data using pre-stack time migration, demigration, and post-stack depth migration

Offset-azimuth binning for migration and velocity analysis

Method for determination of diffractor locations at sea bottom for the purpose of attenuating such energy

Seismic image deformation method for improved interpretation

Seismic data calibration using crossplotted AVO attributes

Method for improving the seismic resolution

Method for seismic wavefield extrapolation

Horizon-based residual depth migration velocity analysis

Method, system and apparatus for interpreting seismic data using duplex waves

Method for detecting earth formation fractures by seismic imaging of diffractors

Method for processing borehole seismic data

Geophysical data processing

Vector 3-component 3-dimensional kirchhoff prestack migration

Seismic data interpolation system

Method for imaging of pre-stack seismic data

Method for downward extrapolation of pre-stack seismic data

Method for seismic migration using explicit depth extrapolation operators with dynamically variable operator length

Illumination monitoring process for making infill decisions

Method of seismic exploration by discriminating horizontal and vertical shear waves

Method and apparatus for contemporaneous utilization of a higher order probe in pre-stack and post-stack seismic domains

Method for wavelet-based seismic amplitude inversion

Method for reconstructing complex wave attributes from limited view measurements

Systems and methods for geophysical imaging using amorphous computational processing

Method for seismic processing, in particular for compensating birefringence on seismic traces

Marine seismic survey system for generating and collecting data and forming a seismic image

Diffraction imaging systems and methods using specularity gathers

Enhancing seismic features using an optical filter array

Technique for maintaining and enforcing relative policies with thresholds