METHOD FOR SIMULTANEOUS INVERSION OF FIVE RESERVOIR PARAMETERS OF SUBMARINE GAS RESERVOIRS USING P-WAVE VELOCITY AND DENSITY DATA

METHOD AND APPARATUS FOR SEISMIC IMAGING WITH VSP WHILE-DRILLING AND WELL-DRIVEN

AUTOMATED SEISMIC VELOCITY INVERSION USING DEEP NEURAL NETWORKS

HIGHER-ORDER PARALLEL FAST SWEEPING METHOD IN ANISOTROPIC MEDIUM

ADAPTIVE DIFFERENTIAL PHASE TIME SEMBLANCE FOR CEMENT BOND EVALUATION

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

ELASTIC FULL WAVE INVERSION WITH MACHINE LEARNING ESTIMATED ELASTIC PROPERTIES

CROSS-WELL SEISMIC TOMOGRAPHY AND STRUCTURAL IMAGING LEVERAGING FULL WAVEFORM INVERSION

ACOUSTIC PHASED ARRAY SYSTEM AND METHOD FOR DETERMINING WELL INTEGRITY IN MULTI-STRING CONFIGURATIONS

FULL WAVEFORM INVERSION FOR SUBSURFACE CHARACTERIZATION

INTEGRATED MODELING FOR SEISMIC SURVEY ACQUISITION PARAMETERIZATION

SEASONAL DEPENDENT MODEL FOR THE SPEED OF SOUND

Integrated Seismic Data Augmentation

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

DEPTH UNCERTAINTY ESTIMATION USING INTERVAL-DOMAIN ANISOTROPIC VTI VELOCITY AND TRAVEL TIME DETECTABILITY

REFLECTION SEISMOLOGY INVERSION WITH QUALITY CONTROL

QUICK DEPTH VELOCITY MODEL FOR A LARGE AREA BASED ON DEEP LEARNING

SEISMIC DATA RECONSTRUCTION USING CORRECTED LOCAL TRAVELTIME OPERATORS

Generating Seismic Images of a Subsurface Formation

GENERATING A VELOCITY MODEL FOR A SUBSURFACE STRUCTURE USING A MACHINE LEARNING MODEL

Predicting Seismic Velocities for a Subsurface Formation

CHARACTERIZING AND MONITORING SUBSURFACE STIMULATED SERPENTINIZATION FOR GEOLOGIC HYDROGEN

MULTI-MODE SURFACE-WAVE FREE-FIELD INVERSION METHOD BASED ON DISPERSION PROPERTIES OF LAYERED MEDIA

AUTOMATIC SONIC DATA CLASSIFICATION AND UNCERTAINTY CONTROL USING VISUAL FEATURES

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

METHODS FOR IN-SITU QUANTIFICATION OF CEMENT-TO-CASING OR FORMATION-TO-CASING INTERFACIAL ACOUSTIC BOND AND RELATION TO HYDRAULIC PROPERTIES OF SUCH INTERFACE

METHOD OF ATTENUATING MIGRATION ARTIFACTS

TIME PRESERVING FULL WAVEFORM INVERSION (TP-FWI)

METHOD FOR REAL-TIME FRACTURES DETECTION USING DRILL BIT AS SOURCE

EVENT PICKING IN SEISMIC DATA

FULL AUTOMATION OF HIGH-RESOLUTION INTERVAL VELOCITY ESTIMATION FOR CHECK-SHOT AND OTHER VERTICAL SEISMIC PROFILE- TYPE DATASETS

HIGH-RESOLUTION REFLECTION IMAGING WITH LARGE-SCALE RESERVOIR AND STRUCTURE DETERMINATION USING FULL-WAVEFORM SONIC DATA

METHODS AND SYSTEMS FOR DETERMINING A GEOLOGICAL MODEL USING NORMALIZED WEIGHTS

A METHOD AND SYSTEM FOR DETERMINING FIRST BREAKS OF SONIC WAVEFORMS

METHOD, SYSTEM, AND DEVICE FOR FULL WAVEFORM INVERSION ON ELASTIC WAVE SEISMIC DATA

Land Seismic Exploration Methods, Electronic Equipment and Readable Storage Media

GEOLOGIC VELOCITY MODELING FRAMEWORK

SONIC LOG SYNTHESIS

FEATURE DETECTION USING MACHINE LEARNING

Deep Sonic Image Velocity Scan

SYSTEM AND METHOD FOR SEISMIC INVERSION AND WAVELET ESTIMATION

METHOD AND SYSTEM FOR SUBSURFACE IMAGING USING MULTI-PHYSICS JOINT MIGRATION INVERSION AND GEOPHYSICAL CONSTRAINTS

MITIGATION OF SEISMIC EVENT EFFECTS ON LIQUID IMMERSION COOLING SYSTEMS

DYNAMIC RESOLUTION FULL-WAVEFORM INVERSION METHOD AND SYSTEM

AUTOMATIC SALT GEOMETRY DETECTION IN A SUBSURFACE VOLUME

HYBRID SEABED SEISMIC ACQUISITION GEOMETRY USING A COMBINATION OF NODES AND AUTONOMOUS UNDERWATER VEHICLES

SYSTEMS, DEVICES, AND METHODS FOR GENERATING AVERAGE VELOCITY MAPS OF SUBSURFACE FORMATIONS

METHOD AND APPARATUS FOR IMPLEMENTING FULL WAVEFORM INVERSION USING ANGLE GATHERS

Tube Wave Analysis of Well Communication

While drilling single well seismic profiling acquisition system using drill bit seismic data

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

TIME-TO-DEPTH SEISMIC CONVERSION USING PROBABILISTIC MACHINE LEARNING

METHOD AND SYSTEM FOR GENERALIZABLE DEEP LEARNING FRAMEWORK FOR SEISMIC VELOCITY ESTIMATION ROBUST TO SURVEY CONFIGURATION

METHOD FOR THREE-DIMENSIONAL VELOCITY GEOLOGICAL MODELING WITH STRUCTURES AND VELOCITIES RANDOMLY ARRANGED

SEISMIC IMAGING RESOLUTION ANALYSIS METHOD AND DEVICE AND MEMORY MEDIUM

Multi-scale unsupervised seismic velocity inversion method based on autoencoder for observation data

WORK FLOW BASED ACOUSTIC PROCESSING SYSTEM AND METHOD

Simultaneous common-offset migration

Velocity model for sediment-basement interface using seismic and potential fields data

Methods and systems for real-time modifications to seismic acquisition operations

Method to determine drilling-induced rock damage

System and method for determining a set of first breaks of a seismic dataset

SYSTEM AND METHOD FOR COMPENSATING FOR ATTENUATION OF SEISMIC ENERGY

INTEGRATION OF UPHOLES WITH INVERSION-BASED VELOCITY MODELING

Computer-implemented method and system for obtaining a subsurface stack image, subsurface angle gathers, and a subsurface velocity model, over an entire survey region having high velocity contrast geo-bodies

METHOD AND APPARATUS FOR IMPLEMENTING A HIGH-RESOLUTION SEISMIC PSEUDO-REFLECTIVITY IMAGE

Interpretive-guided velocity modeling seismic imaging method and system, medium and device

Multi-scale photoacoustic detection method of geological structure around borehole and related devices

Multi-resolution based method for automated acoustic log depth tracking

ACOUSTIC PHASED ARRAY SYSTEM AND METHOD FOR DETERMINING WELL INTEGRITY IN MULTI-STRING CONFIGURATIONS

LAPLACE-FOURIER 1.5D FORWARD MODELING USING AN ADAPTIVE SAMPLING TECHNIQUE

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

System and method for forming a seismic velocity model and imaging a subterranean region

Automatic data enhancement for full waveform inversion in the midpoint-offset domain

System and method for estimating one-way propagation operators

Method, Apparatus, and Computer Program for Detecting One or More Objects in the Sea Floor

DECONVOLUTION OF DOWN-GOING SEISMIC WAVEFIELDS

Downhole ultrasound image correction in oil based mud

Fracture wave depth, borehole bottom condition, and conductivity estimation method

Rock physics model for shale volume estimation in subsurface reservoirs

Rock physics model for fluid identification and saturation estimation in subsurface reservoirs

Methods and seismic shot generation and data collection systems utilizing refraction in horizontal stratified media for monotonically increased velocity determinations

Method and system for automatic picking of borehole acoustic events based on new objective function

Seismic velocity modeling

COMPUTER SYSTEM AND DATA PROCESSING METHOD

Full waveform inversion velocity guided first arrival picking

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

Systems and methods to correct seismic data for undesired effects caused by near surface velocity variations by correcting for long-wavelength statics

Parallelization of seismic data-related modelling

Method and system that uses an anisotropy parameter to generate high-resolution time-migrated image gathers for reservoir characterization, and interpretation

Systems and methods for high-resolution travel time and move-out velocity estimation using downhole linear receiver arrays

Seismic pore-pressure prediction using prestack seismic inversion

Method and device for determining sonic slowness

System and method for subsurface structural interpretation

SYSTEM AND METHOD FOR REAL-TIME PASSIVE SEISMIC EVENT LOCALIZATION

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

Distributed acoustic sensing: locating of microseismic events using travel time information with heterogeneous anisotropic velocity model

System and method for acoustically imaging wellbore during drilling

FOCUS-STACKING IMAGING METHOD AND SYSTEM BASED ON CORRELATION-BASED SEISMIC INTERFEROMETRY

Shear velocity radial profiling based on flexural mode dispersion

Methods and systems for processing slowness values from borehole sonic data

Extracting shear wave slowness from hexapole waves and octupole waves

High resolution full waveform inversion

Methods and systems for determining subsurface feature using broadband full waveform inversion

Method and system for automated velocity model updating using machine learning

Enhanced-resolution rock formation body wave slowness determination from borehole guided waves

Computer-implemented method and system for small cave recognition using seismic reflection data

Measurement of in situ rock formation properties using surface seismic sources and downhole receivers

ITERATIVE MIGRATION VELOCITY OPTIMIZATION FOR A VSP SURVEY USING SEMBLANCE

Geophone depth calibration

Mapping near-surface heterogeneities in a subterranean formation

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

Removal of signal ringdown noise

Ultrasonic acoustic sensors for measuring formation velocities

Enhanced anisotropy analysis with multicomponent dipole sonic data

Robust full waveform inversion of seismic data method and device

Quadruple transmitter and methods to determine wave velocities of a downhole formation

Systems and methods of determining parameters of a marine seismic survey

Picking seismic stacking velocity based on structures in a subterranean formation

Identifying characteristics of a subterranean region using vector-based wavefield separation of seismic data from the subterranean region

4D time shift and amplitude joint inversion for velocity perturbation

Mapping wave slowness using multi-mode semblance processing techniques

Generating a velocity model and a density model of a subsurface structure of a reservoir

Noise attenuation of multiple source seismic data

Method for assessing a performance-based seismic design by setting a seismic risk

Hybrid Residual Moveout Error Estimation

VERTICAL SEISMIC PROFILING FORMATION VELOCITY ESTIMATION

LIQUID COUPLED ULTRASONIC TRANSDUCER ARRAY FOR MEASUREMENT OF ROCK ELASTIC PROPERTIES

Methods and systems for calibrating depth in a well to seismic data in a subsurface volume of interest

Measurement-while-drilling method and device for assessing outburst risk of coal seam

Determining node depth and water column transit velocity

Horizontal fracture prediction method, device and equipment

Fluid substitution

System and method for real-time passive seismic event localization

Elastic full wavefield inversion with refined anisotropy and V/Vmodels

Downhole ultrasound image correction in oil based mud

Pile integrity detection system based on cross-hole sonic logging method

Characterization of wellbore materials in multiple casing strings

Machine learning-based analysis of seismic attributes

Systems and methods for high-resolution travel time and move-out velocity estimation using downhole linear receiver arrays

Methods for determining transversely isotropic-elastic constants from borehole sonic velocities in strongly transversely-isotropic formations

System for generating velocity models of subsalt formations

Downhole nonlinear acoustics measurements in rock formations using dynamic acoustic elasticity and time reversal

Estimation of horizontal stresses and nonlinear constants in anisotropic formations such as interbedded carbonate layers in organic-shale reservoirs

First-break picking of seismic data and generating a velocity model

Quasi-static Stoneley slowness estimation

Fracture wave depth, borehole bottom condition, and conductivity estimation method

Wavefield propagator for tilted orthorhombic media

ACOUSTIC LOGGING DATA PROCESSING USING WAVEFORM AMPLITUDE AND PHASE

VIBRATION WHILE DRILLING DATA PROCESSING METHODS

Real-time determination of mud slowness, formation type, and monopole slowness picks in downhole applications

Monopole acoustic logging while drilling instrument used together with bottom hole assembly, method for measuring shear wave velocity of slow formations

Determining node depth and water column transit velocity

Estimating properties of a subterranean formation

Dipole Shear Velocity Estimation

Survey design for data acquisition using marine non-impulsive sources

Mapping chemostratigraphic signatures of a reservoir with rock physics and seismic inversion

Generating a velocity model for a subsurface structure using refraction travel time tomography

Real-time synthetic logging for optimization of drilling, steering, and stimulation

Method and system for positioning seismic source in microseism monitoring

Work flow based acoustic processing system and method

Tube wave analysis of well communication

SEISMIC TRAVEL TIME TOMOGRAPHIC INVERSION METHOD BASED ON TWO POINT RAY TRACING

System and method for improved full waveform inversion

Image-guided velocity interpolation using a mask cube

Multi-scale manifold learning for full waveform inversion

High precision acoustic logging processing for compressional and shear slowness

Evaluation of cased hole perforations in under-pressured gas sand reservoirs with stoneley wave logging

SYSTEM AND METHOD FOR FULL WAVEFORM INVERSION OF SEISMIC DATA

Method of predicting parameters of a geological formation

Seismic acquisition method and apparatus

Inversion velocity model, method for establishing the same and method for acquiring images of underground structure

Semblance-based anisotropy parameter estimation using isotropic depth-migrated common image gathers

Generating a velocity model using subsurface azimuth and reflection angle dependent full waveform inversion

SALT PROXIMITY IMAGING USING REVERSE TIME MIGRATION OF TRANSMITTED VERTICAL SEISMIC PROFILE DATA

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

DRILLING CONTROL BASED ON BRITTLENESS INDEX CORRELATION

Seismic processing workflow for broadband single-sensor single-source land seismic data

Pore pressure prediction based on an integrated seismic and basin modeling approach

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

Surface-scattered noise reduction

Method and apparatus for identifying collapsed coal column

Apparatus and method for calculating efficient 3D traveltime by using coarse-grid mesh for shallow depth source

Passive ranging using acoustic energy originating from a target wellbore

Measurement and processing to detect weak interfacial layers in hydrocarbon-bearing laminated formations with acoustic logging devices

Reflection full waveform inversion methods with density and velocity models updated separately

Fracture and stress characterization using layer thickness variation

Verifying measurements of elastic anisotropy parameters in an anisotropic wellbore environment

Seismic acquisition geometry full-waveform inversion

Diving wave illumination using migration gathers

Self-tuning sonic transmitters

Absolute strength and absolute sensitivity in seismic data

Pore-pressure prediction based on velocities coupled with geomechanical modeling

Peak tracking and rejection in acoustic logs

Systems and methods for correcting off-center acoustic sondes

System for processing seismic data based upon linear optimization and related methods

System for processing seismic data based upon volatility measurement model and related methods

SYSTEMS AND METHODS EMPLOYING A MENU-BASED GRAPHICAL USER INTERFACE (GUI) TO DERIVE A SHEAR SLOWNESS LOG

METHODS AND SYSTEMS FOR QUANTIFYING A CLATHRATE DEPOSIT

Acoustic tool eccentering correction

Non-contact system and methodology for measuring a velocity vector

Method for near-real-time, high-resolutionsignal filtering in noisy environments

Device and method for smart picking surface waves dispersion curves

SEISMIC SIGNAL PROCESSING METHOD, APPARATUS AND SYSTEM

FWI with areal and point sources

INTEGRATING VERTICAL SEISMIC PROFILE DATA FOR MICROSEISMIC ANISOTROPY VELOCITY ANALYSIS

2D multiline seismic reflection tomography with seismic-tie constraint

Downhole piezoelectric acoustic transducer

Method of characterising a subsurface volume

Travel-time objective function for full waveform inversion

Televiewer image wood-grain reduction techniques

System and method for reconstructed wavefield inversion

Method and system for processing dipole anisotropy

Determining shear slowness based on a higher order formation flexural acoustic mode

Joint inversion of seismic data

Determining node depth and water column transit velocity

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

Surface wave tomography using sparse data acquisition

Velocity model building for seismic data processing using PP-PS tomography with co-depthing constraint

System and method for joint inversion of bed boundaries and petrophysical properties from borehole logs

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

Adaptive optimization of output power, waveform and mode for improving acoustic tools performance

System and method for salt surface updating via wavefield redatuming

Boundary layer tomography method and device

Seismic data processing method and apparatus

Methods, systems and devices for predicting reservoir properties

METHODS AND SYSTEMS OF GENERATING A VELOCITY MODEL

System and method for estimating lateral positioning uncertainties of a seismic image

Beat tone full waveform inversion

Seismic acquisition method and apparatus

Seismic acquisition method and apparatus

Seismic acquisition method and apparatus

Correcting time shifts

Systems and methods for aligning a monitor seismic survey with a baseline seismic survey

Model-based time-preserving tomography

PARAMETER VARIATION IMPROVEMENT FOR SEISMIC DATA USING SENSITIVITY KERNELS

Creating a high resolution velocity model using seismic tomography and impedance inversion

System and method for predicting the front arrival time in reservoir seismic monitoring

Estimating interval velocities

Determining sub-surface temperature

Device and method for velocity function extraction from the phase of ambient noise

Methods and systems to remove particle-motion-sensor noise from vertical-velocity data

Impact assessment of marine seismic surveys

Method of coalescence microseismic mapping including model's uncertainty

Target-oriented process for estimating fracture attributes from seismic data

Sourceless density determination apparatus, methods, and systems

Estimation of water properties from seismic data

Seismic acquisition using narrowband seismic sources

System and method for ray based tomography guided by waveform inversion

Data double-searching apparatus, methods, and systems

Differential phase semblance apparatus, systems, and methods

Downhole elastic anisotropy measurements

Sound Velocity Profile Streamlining and Optimization Method Based on Maximum Offset of Velocity

Inversion-based reflector dip estimation

Compressional velocity correction apparatus, methods, and systems

Simultaneous sourcing during both seismic acquisition and seismic inversion

Removal of fracture-induced anisotropy from converted-wave seismic amplitudes

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

Methods and apparatus for estimating borehole mud slownesses

Methods and systems for extrapolating wavefields

Estimating and using slowness vector attributes in connection with a multi-component seismic gather

Methods and apparatus for determining slowness of wavefronts

Seismic data processing and apparatus

Methods and systems for constructing and using a subterranean geomechanics model spanning local to zonal scale in complex geological environments

Efficient computation of wave equation migration angle gathers

Estimating interval velocities

System and method for subsurface characterization including uncertainty estimation

Sensitivity kernal-based migration velocity analysis in 3D anisotropic media

Preserved-traveltime smoothing method and device

Seismic acquisition using narrowband seismic sources

Method and apparatus for measuring formation anisotropy while drilling

Migration Velocity Analysis of Seismic Data Using Common Image Cube and Green's Functions

Method for velocity model building and analysis

Method for generating spread spectrum driver signals for a seismic vibrator array using multiple biphase modulation operations in each driver signal chip

Methods and systems for constructing and using a subterranean geomechanics model spanning local to zonal scale in complex geological environments

Estimating and using slowness vector attributes in connection with a multi-component seismic gather

Model-based time-preserving tomography

Apparatus and Method for Processing Geophysical Information

Method for detecting structural abnormal area of coal and rock mass

High-precison modeling method and system of three-dimensional velocity field for precise navigation of deep oil and gas

Seismic first breaks onset times determination by interface tracking using level-sets method

Systems and methods for object location detection such as detecting airplane crash location

System and method for computing residual moveout from seismic images

Time migration diffraction imaging systems and methods