SEISMIC WAVEFIELD DECOMPOSITION USING RECURSIVE RADON TRANSFORM

METHODS AND SYSTEMS FOR SEISMIC DATA PROCESSING

CEMENT BONDING EVALUATION WITH A SONIC-LOGGING-WHILE-DRILLING TOOL

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

METHODS FOR ELASTIC VECTOR REFLECTIVITY WAVEFORM INVERSION

FULL WAVEFORM INVERSION FOR SUBSURFACE CHARACTERIZATION

INTEGRATED MODELING FOR SEISMIC SURVEY ACQUISITION PARAMETERIZATION

SYSTEM AND METHOD FOR AUTOMATED 3D SEISMIC INTERPRETATION

DATA-DRIVEN DEPTH UNCERTAINTY ESTIMATION USING SEISMIC VELOCITY AND ANISOTROPY TRADEOFFS

ARTIFICIAL INTELLIGENCE GEOPHYSICAL REMOTE SENSING INSTRUMENT

REFLECTION SEISMOLOGY INVERSION WITH QUALITY CONTROL

METHODS AND APPARATUS FOR ESTIMATING SEISMIC DEPTH UNCERTAINTY

Generating Seismic Images of a Subsurface Formation

Predicting Seismic Velocities for a Subsurface Formation

TRANSFER LEARNING FOR ML-ASSISTED SEISMIC INTERPRETATION

DETERMINATION OF IN-SITU STRESS PERTURBATION USING POTENTIAL FIELDS DATA

SUBSURFACE DATA PROCESSING FOR ENHANCED FRACTURE PROPAGATION MEASUREMENT

METHOD AND APPARATUS FOR ADAPTIVE CROSS-CORRELATION BASED FULL WAVEFORM INVERSION

SOURCE SEPARATION USING MULTISTAGE INVERSION WITH RADON IN THE SHOT DOMAIN

SEISMIC IMAGING FRAMEWORK

METHODS AND SYSTEMS FOR ACCURATE WELL-SEISMIC TIE BASED ON STEPWISE MATCHING AND OPTIMIZATION

BANDWIDTH EXTENSION VIA DEEP NEURAL NETWORKS TRAINED ON SYNTHETIC SEISMIC DATASETS

EXTRAPOLATION OF SEISMIC DATA TO REDUCE PROCESSING EDGE ARTIFACTS

METHOD FOR OBTAINING AT LEAST ONE PHYSICAL PROPERTY OF A SUBSURFACE VOLUME OF A HYDROCARBON RESERVOIR OVER TIME

JOINT PRECONDITIONING FOR TIME-LAPSE FULL WAVEFORM INVERSION METHOD AND SYSTEM

METHOD FOR CAPTURING LONG-RANGE DEPENDENCIES IN SEISMIC IMAGES

SYSTEM AND METHOD FOR RESERVOIR STRUCTURE CHARACTERIZATION

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

METHOD AND APPARATUS FOR IMPLEMENTING FULL WAVEFORM INVERSION USING ANGLE GATHERS

METHOD OF SEISMIC INVERSION USING ARTIFICIAL KINEMATIC CONSTRAINTS

SYSTEM AND METHOD FOR FORMING A SEISMIC VELOCITY MODEL AND IMAGING A SUBTERRANEAN REGION

WORK FLOW BASED ACOUSTIC PROCESSING SYSTEM AND METHOD

SYSTEM AND METHOD FOR ELASTIC FULL WAVEFORM INVERSION AND IMAGING

METHOD AND SYSTEM FOR PREDICTING HYDROCARBON RESERVOIR INFORMATION FROM RAW SEISMIC DATA

CEMENT BONDING EVALUATION WITH A SONIC-LOGGING-WHILE-DRILLING TOOL

Increasing resolution of subsurface inversion

SEISMIC WAVEFIELD MODELING HONORING AVO/AVA WITH APPLICATIONS TO FULL WAVEFORM INVERSION AND LEAST-SQUARES IMAGING

Method and system for updating a seismic velocity model

Method and system for seismic imaging using S-wave velocity models and machine learning

Method and system for reflection-based travel time inversion using segment dynamic image warping

Data driven method to invert for the formation anisotropic constants using borehole sonic data

Determination Of Material State Behind Casing Using Multi-Receiver Ultrasonic Data And Machine Learning

SEISMIC MIGRATION TECHNIQUES FOR IMPROVED IMAGE ACCURACY

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

Enhanced-resolution sonic data processing for formation body wave slowness with full offset waveform data

Method for predicting subsurface features from seismic using deep learning dimensionality reduction for segmentation

Systems and methods for generating subsurface property data as a function of position and time in a subsurface volume of interest

Method and system for connecting elements to sources and receivers during spectrum element method and finite element method seismic wave modeling

AUTOMATED RESERVOIR MODEL PREDICTION USING ML/AI INTERGRATING SEISMIC, WELL LOG AND PRODUCTION DATA

System and method for 3D seismic velocity estimation

DETERMINING SHEAR SLOWNESS FROM DIPOLE SOURCE-BASED MEASUREMENTS ACQUIRED BY A LOGGING WHILE DRILLING ACOUSTIC MEASUREMENT TOOL

Shear velocity radial profiling based on flexural mode dispersion

Surface wave prediction and removal from seismic data

Method for generating an image of a subsurface of an area of interest from seismic data

Bandwith extension of geophysical data

Look-ahead VSP workflow that uses a time and depth variant Q to reduce uncertainties in depth estimation ahead of a drilling bit

Method for partial differential equation inversion of data

Prestack least-square reverse time migration on surface attribute gathers compressed using depth-independent coefficients

System and method for seismic imaging of complex subsurface volumes

Petrophysical inversion with machine learning-based geologic priors

Method of calculating temperature and porosity of geological structure

Robust full waveform inversion of seismic data method and device

Attenuating surface waves in common shot gathers of seismic data collected by a set of geophones

Inversion, migration, and imaging related to isotropic wave-mode- independent attenuation

Using elastic facies to perform quality control of well logs

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

Analogue facilitated seismic data interpretation system

Nonlinear signal comparison and high-resolution measurement of seismic or acoustic wave dispersion

Optimized foam application for hydrocarbon well stimulation

Method for validating geological model data over corresponding original seismic data

Full waveform inversion of vertical seismic profile data for anisotropic velocities using pseudo-acoustic wave equations

Cement bonding evaluation with a sonic-logging-while-drilling tool

Geophysical deep learning

Direct migration of simultaneous-source survey data

Quasi-static Stoneley slowness estimation

Methods using travel-time full waveform inversion for imaging subsurface formations with salt bodies

Visco-acoustic full waveform inversion of velocity and Q

Wavefield propagator for tilted orthorhombic media

Elastic parameter estimation

System and method for improving resolution of digital seismic images

Generating target-oriented acquisition-imprint-free prestack angle gathers using common focus point operators

Earth model generation via measurements

Inversion with exponentially encoded seismic data

Petrophysical field evaluation using self-organized map

Estimating interval anisotropy parameter for pre-stack depth migration using a least-squares method

Generating target-oriented acquisition-imprint-free prestack angle gathers using common focus point operators

Work flow based acoustic processing system and method

SYSTEM AND METHOD FOR ASSESSING THE PRESENCE OF HYDROCARBONS IN A SUBTERRANEAN RESERVOIR BASED ON SEISMIC DATA

System and method for assessing the presence of hydrocarbons in a subterranean reservoir based on seismic inversions

System and method for improved full waveform inversion

Well integrity analysis using sonic measurements over depth interval

Prediction ahead of bit using vertical seismic profile data and global inversion

SEISMIC INVERSION CONSTRAINED BY REAL-TIME MEASUREMENTS

Visco-pseudo-elastic TTI FWI/RTM formulation and implementation

Seismic acquisition method and apparatus

Casing thickness estimation by frequency correlation

Method for evaluating a geophysical survey acquisition geometry over a region of interest, related process, system and computer program product

Computing amplitude independent gradient for seismic velocity inversion in a frequency domain

Seismic sensor orientation

Wavelet estimation for four-dimensional characterization of subsurface properties based on dynamic simulation

Full wavefield inversion with reflected seismic data starting from a poor velocity model

METHODS AND SYSTEMS EMPLOYING WINDOWED FREQUENCY SPECTRA ANALYSIS TO DERIVE A SLOWNESS LOG

Methods for seismic imaging

System and method for reconstructed wavefield imaging

Method for Improved Geophysical Investigation

Seismic acquisition geometry full-waveform inversion

Diving wave illumination using migration gathers

Method and apparatus for simultaneous geostatistical inversion of time-lapse seismic data

System and method for porosity estimation in low-porosity subsurface reservoirs

Method to estimate 4D seismic acquisition repeatability specifications from high-resolution near-water-bottom seismic images

Modeling an elastic stiffness tensor in a transverse isotropic subsurface medium

Survey method, seismic vibrator, and survey system

Processing seismic data acquired using moving non-impulsive sources

Iterative and repeatable workflow for comprehensive data and processes integration for petroleum exploration and production assessments

Method to predict pore pressure and seal integrity using full wavefield inversion

FWI with areal and point sources

Method and apparatus performing super-virtual surface wave interferometry

Method and apparatus for estimating surface wave coda using time-reversal experiments

2D multiline seismic reflection tomography with seismic-tie constraint

Methods to image acoustic sources in wellbores

Travel-time objective function for full waveform inversion

Methods and systems to determine properties of a subterranean formation

Device and method for correcting seismic data for variable air-water interface

Efficient seismic attribute gather generation with data synthesis and expectation method

Multi-stack (broadband) wavelet estimation method

Amplitude inversion on partitioned depth image gathers using point spread functions

Modeling an elastic stiffness tensor in a transverse isotropic subsurface medium

Velocity model update with an inversion gradient

System and method for reconstructed wavefield inversion

Sedimentary characterization from seismic data

Time-lapse simultaneous inversion of amplitudes and time shifts constrained by pre-computed input maps

System and method for mapping reservoir properties away from the wellbore

Adaptive ensemble-based method and device for highly-nonlinear problems

Method and system for estimating formation slowness

Joint inversion of seismic data

Method and apparatus for processing log data

Interpretation of seismic survey data using synthetic modelling

Method for iterative inversion of data from non-encoded composite sources

SYSTEMS AND METHODS FOR IDENTIFYING S-WAVE REFRACTIONS UTILIZING SUPERVIRTUAL REFRACTION INTERFEROMETRY

Estimate of formation mobility from Stoneley waveforms

Method for generating multiple free seismic images

Surface wave tomography using sparse data acquisition

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

Seismic data processing

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

Seismic data processing

Method of, and apparatus for, full waveform inversion

Poynting vector minimal reflection boundary conditions

Beat tone full waveform inversion

Seismic acquisition method and apparatus

Seismic acquisition method and apparatus

METHOD FOR ITERATIVE INVERSION OF DATA FROM COMPOSITE SOURCES

Seismic acquisition method and apparatus

Method for elastic model perturbation estimation from reverse time migration

Method of constraining seismic inversion

Methods and systems for seismic inversion and related seismic data processing

Velocity tomography using property scans

Seismic survey design using full wavefield inversion

Seismic data processing

Method of modelling a subsurface volume

Harmonic encoding for FWI

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

Fast viscoacoustic and viscoelastic full wavefield inversion

Systems and methods for multi-volume directional de-noising

Reflection seismic data Q tomography

Compressive sensing

System and method for estimating a reservoir parameter using joint stochastic inversion of multisource geophysical data

Seismic data processing

METHODS AND SYSTEMS FOR PERFORMING AZIMUTHAL SIMULTANEOUS ELASTIC INVERSION

Methods and systems of incorporating pseudo-surface pick locations in seismic velocity models

Method and system for identification of gas hydrates and free gas in geologic beds

Adaptive weighting of geophysical data types in joint inversion

Determining an output representing a target structure based on encoded source and receiver data

Methods and systems regarding models of underground formations

Model based inversion of seismic response for determining formation properties

Primary estimation on OBC data and deep tow streamer data

Methods and computing systems for processing data

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

Methods for approximating hessian times vector operation in full wavefield inversion

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

Measurement of permeability in borehole in the presence of mudcake

Efficient computation of wave equation migration angle gathers

METHOD FOR MODELING A RESERVOIR BASIN

Passive monitoring method for seismic events

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

System and method for seismic data inversion

Reciprocal method two-way wave equation targeted data selection for seismic acquisition of complex geologic structures

Two-way wave equation targeted data selection for improved imaging of prospects among complex geologic structures

SEISMIC IMAGING APPARATUS

Method of wavelet estimation and multiple prediction in full wavefield inversion

Seismic imaging apparatus utilizing macro-velocity model and method for the same

Waveform inversion by multiple shot-encoding for non-fixed spread geometries

Exploitation of self-consistency and differences between volume images and interpreted spatial/volumetric context

Integrated formation modeling systems and methods

Method for optimization with gradient information

Simultaneous source inversion for marine streamer data with cross-correlation objective function

SYSTEM AND METHOD FOR USING A RESISTIVITY TOOL WITH WIRED DRILL PIPE AND ONE OR MORE WELLS

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

System and method for generating true depth seismic surveys

Methods and systems for performing azimuthal simultaneous elastic inversion

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

Method of developing a petroleum reservoir by reservoir model reconstruction

Correcting an acoustic simulation for elastic effects

Hybrid modeling in the tau-p domain

USING WAVEFORM INVERSION TO DETERMINE PROPERTIES OF A SUBSURFACE MEDIUM

Determination of depth moveout and of residual radii of curvature in the common angle domain

METHOD FOR GENERATION OF IMAGES RELATED TO A SUBSURFACE REGION OF INTEREST

Waveform inversion in laplace-fourier domain

Identifying an internal multiple generator in a subterranean structure

Seismic inversion of data containing surface-related multiples

Process and program for characterising evolution of an oil reservoir over time

Apparatus and Method for Processing Geophysical Information

Processing seismic data representing a physical system

Method for generating reservoir models utilizing synthetic stratigraphic columns

Method for simulating local prestack depth migrated seismic images

Concurrent phase angle graphic analysis