173427 ⎘
Details of seismic processing or analysis; Aspects of acoustic signal generation or detection; Signal generation Cooperating multiple sources
SYSTEMS AND METHODS FOR IMPROVING SEISMIC DATA ANALYSIS USING DITHERING TECHNIQUES
#2Noise Attenuation Methods Applied During Simultaneous Source Deblending and Separation
#3SURVEY DESIGN FOR MULTI-PURPOSE SEISMIC SOURCES
#4SOURCE SEPARATION USING MULTISTAGE INVERSION WITH RADON IN THE SHOT DOMAIN
#5Land Seismic Exploration Methods, Electronic Equipment and Readable Storage Media
#6Shot Point Dithering Techniques for Marine Seismic Surveys
#7REDUCTION OF A TOOL WAVE EXCITED BY A TRANSMITTER OF A WELL LOGGING TOOL
#8MARINE VIBRATOR DIRECTIVE SOURCE SURVEY
#9SYSTEMS AND METHODS FOR PERFORMING SEISMIC SURVEY IN SHALLOW WATER AREAS
#10Noise Attenuation Methods Applied During Simultaneous Source Deblending and Separation
#11Coded interleaved simultaneous source shooting
#12Methods for simultaneous source separation
#13Reduction of a tool wave excited by a transmitter of a well logging tool
#14Shot Point Dithering Techniques for Marine Seismic Surveys
#15Geometrical distribution for non-impulsive sources
#16Marine vibrator directive source survey
#17Seismic surveys with increased shot point intervals for far offsets
#18Surveying with low frequency impulse sources
#19Deblending using dictionary learning with virtual shots
#20Methods for simultaneous source separation
#21Reconstruction of multi-shot, multi-channel seismic wavefields
#22METHOD FOR SEISMIC DATA ACQUISITION AND PROCESSING
#23DEBLENDED AND DEGHOSTED SEISMIC DATA
#24Constraint of dithering of source actuations
#25Individual Actuation within a Source Subarray
#26System and method for generating dithering sequences with minimum value for seismic exploration
#27Determining anisotropy for a build section of a wellbore
#28Surveying techniques using multiple different types of sources
#29POSITIONING SEISMIC SOURCES IN A TUNED SOURCE ARRAY
#30Seismic data acquisition for velocity modeling and imaging
#31Geophysical survey techniques using different correlation intervals
#32Geophysical survey techniques using selective-length processing
#33Methods and systems to separate seismic data associated with impulsive and non-impulsive sources
#34Spatial distribution of marine vibratory sources
#35Continuous resonance marine vibrator
#36NARROW TOW MARINE VIBRATORS FOR SIMULTANEOUS SWEEPS
#37System and method for leak detection
#38Sweep signal for combination of a marine non-impulsive source output with a marine impulsive source output
#39SINUSOIDAL EXCITATION METHOD AND APPARATUS FOR MULTI-POLE ACOUSTIC LOGGING WHILE DRILLING
#40Marine vibrator directive source survey
#41Seismic surveys with increased shot point intervals for far offsets
#42Coded Signals for Marine Vibrators
#43Methods and data processing apparatus for deblending seismic data
#44Constraint of dithering of source actuations
#45Method for an automatic detection of acoustic reflectors and their parameters from borehole acoustic array data
#46Deblended and deghosted seismic data
#47Reconstructing impulsive source seismic data from time distributed firing airgun array data
#48Individual actuation within a source subarray
#49Coding of signals for efficient acquisition
#50Methods for simultaneous source separation
#51Combination of controlled and uncontrolled seismic data
#52System and method for seismic data processing of seismic data sets with different spatial sampling and temporal bandwidths
#53Device and method for deblending simultaneous shooting data using annihilation filter
#54Optimal phase relationship
#55Deep towed seismic source string
#56Methods and systems for seismic imaging using coded directivity
#57Ghost-suppression optimized seismic source and method
#58Stabilization of seismic data
#59Methods and devices for acquiring seismic data relative to an underground area beneath the sea
#60Instantaneous frequency modulation acquisition scheme for seismic sources
#61Methods and systems to separate seismic data associated with impulsive and non-impulsive sources
#62Systems and methods for optimizing low frequency output from airgun source arrays
#63Apparatus and method for seismic data acquisition with simultaneous activation of clustered vibrators
#64Separating survey data for a plurality of survey sources
#65Low frequency emission and recording for seismic data acquisition
#66Subaqueous underground survey system and subaqueous underground survey method
#67Method for managing a master vessel change in a multi-vessel seismic system
#68Device and method for deblending simultaneous shooting data using an iterative approach
#69Spatial sampling improvements and the formation of arrays using popcorn and simultaneous source acquisition
#70Methods and systems for quantifying coherency and constraining coherency-based separation in simultaneous shooting acquisition
#71Seismic source coding, activation, and acquisition
#72Systems and methods for downhole cement evaluation
#73Method and apparatus for controlling output of an array of seismic sources
#74Vibrator source array beam-forming and method
#75Acquisition system and method for blended seismic data
#76System and method for preventing cavitation in controlled-frequency marine seismic source arrays
#77Process for separating data recorded during a continuous data acquisition seismic survey
#78System and method for generating 3D images of non-linear properties of rock formation using surface seismic or surface to borehole seismic or both
#79Method for acoustic imaging of the earth's subsurface using non-linear signal generation and detection
#80Source acquisition with multiple frequency components
#81Method for acquiring marine seismic data
#82DEMODULATING A WAVEFIELD
#83Acoustic logging while drilling tool with active control of source orientation
#84Seismic true estimated wavelet
#85Separation and noise removal for multiple vibratory source seismic data
#86Systems and Methods for Optimizing Low Frequency Output from Airgun Source Arrays
#87Seismic acquisition using narrowband seismic sources
#88System and method for generating micro-seismic events and characterizing properties of a medium with non-linear acoustic interactions
#89Data acquisition and processing system and method for investigating sub-surface features of a rock formation
#90System and method for investigating sub-surface features of a rock formation using compressional acoustic sources
#91System and method for investigating sub-surface features of a rock formation with acoustic sources generating conical broadcast signals
#92System and method for investigating sub-surface features and 3D imaging of non-linear property, compressional velocity VP, shear velocity VS and velocity ratio VP/VS of a rock formation
#93System and method for investigating sub-surface features of a rock formation with acoustic sources generating coded signals
#94Integrated system for investigating sub-surface features of a rock formation
#95Systems and methods for optimizing low frequency output from airgun source arrays
#96Separating seismic signals produced by interfering seismic sources
#97System and method to create three-dimensional images of non-linear acoustic properties in a region remote from a borehole
#98System and method to estimate compressional to shear velocity (VP/VS) ratio in a region remote from a borehole
#99Separation and noise removal for multiple vibratory source seismic data
#100Efficient seismic data acquisition with source separation
#101Method for continuous sweeping and separation of multiple seismic vibrators
#102Method for continuous sweepting and separtion of multiple seismic vibrators