173420 ⎘
Details of seismic processing or analysis; Aspects of acoustic signal generation or detection; Signal generation; Active source Continuous
LOW-FREQUENCY HYDRAULIC MARINE CONTROLLABLE SEISMIC SOURCE SYSTEM
#2SEISMIC EXPLORATION METHOD, SUBSURFACE MONITORING METHOD, SEISMIC EXPLORATION SYSTEM, AND SEISMIC SOURCE DEVICE
#3WAVSEIS sourcing
#4SYSTEMS AND METHODS FOR DETECTION OF WELL PROPERTIES
#5NON-IMPULSIVE SOURCE ACTUATION
#6Leak localization using acoustic-signal correlations
#7Inline source
#8Multi-frequency acoustic interrogation for azimuthal orientation of downhole tools
#9Positioning assistance system for a vibrator truck and corresponding vibrator truck and method
#10Marine Seismic Vibrators and Methods of Use
#11Surveying techniques using multiple different types of sources
#12Sinusoidal excitation method and apparatus for multi-pole acoustic logging while drilling
#13Methods and systems to separate seismic data associated with impulsive and non-impulsive sources
#14Continuous resonance marine vibrator
#15Low-frequency lorentz marine seismic source
#16Steerable marine geophysical source
#17Downhole seismic sensing synchronization systems and methods
#18Survey method, seismic vibrator, and survey system
#19Processing seismic data acquired using moving non-impulsive sources
#20Formation measurements using downhole noise sources
#21Control system for a marine vibrator
#22WAVSEIS sourcing
#23Method for calibrating the far-field acoustic output of a marine vibrator
#24Control system for marine vibrators operating near impulsive seismic signal sources
#25Control system for marine vibrators to reduce friction effects
#26Methods and systems for seismic imaging using coded directivity
#27Low-frequency magnetic reluctance marine seismic source
#28Method and system for low-frequency pressurized source
#29Instantaneous frequency modulation acquisition scheme for seismic sources
#30Methods and systems to separate seismic data associated with impulsive and non-impulsive sources
#31Harmonic encoding for FWI
#32Deterministic phase correction and application
#33Spatial sampling improvements and the formation of arrays using popcorn and simultaneous source acquisition
#34Systems and methods for pre-correlation noise attentuation using random sweeps in seismic data processing
#35Quality control for broadband sweeps
#36Low-frequency Lorentz marine seismic source
#37Method and system for low-frequency pressurized source
#38Vibrator source array beam-forming and method
#39System and method for seismic surveying using distributed sources
#40Marine seismic vibrators and methods of use
#41Process for separating data recorded during a continuous data acquisition seismic survey
#42Seismic source and method for intermodulation mitigation
#43Seismic source and method for single sweep intermodulation mitigation
#44Method for generating spread spectrum driver signals for a seismic vibrator array using multiple biphase modulation operations in each driver signal chip