173422 ⎘
Details of seismic processing or analysis; Aspects of acoustic signal generation or detection; Signal generation Passive source, e.g. microseismics
Sub-classes:METHOD, DEVICE AND SYSTEM FOR MONITORING TRAFFIC AND ROAD CONDITIONS WITH SEISMIC DATA
#2SUBSEA OPTICAL AMPLIFICATION AND CIRCULATOR FOR OPTICAL SENSING
#3FULL WAVEFORM LOCATION TECHNOLOGY AND METHOD TO DETECT AND LOCATE MICROSEISMIC EVENTS AND CHARACTERISE THEIR MOMENT TENSOR
#4Apparatus and system for identifying seismic features
#5Apparatus with circuitry for seismic data detection
#6Computer system for event detection of passive seismic data
#7METHOD FOR ANALYZING AND PREDICTING THE MAIN FRACTURE ORIENTATION OF MINING FACE BASED ON MICROSEISMIC MONITORING
#8GEO-ACOUSTIC EVENT LOCATION METHOD AND INSTABILITY DISASTER EARLY WARNING METHOD BASED ON SAME, GEO-ACOUSTIC SENSOR, MONITORING SYSTEM, AND READABLE STORAGE MEDIUM
#9Fluid Phase Discrimination And Acoustic Velocity Estimation By Measuring Guided-Wave Speed
#10Hydrophone gain design for array noise tool
#11Event detection and de-noising method for passive seismic data
#12Using Ambient Acoustic Energy as a Passive Source in Marine Seismic Surveys
#13Method and system for microseismic event location error analysis and display
#14Method and device for monitoring the subsoil of the earth under a target zone
#15Sensing-acquisition-wireless transmission integrated microseismic monitoring system and method
#16Method for exploring passive source seismic frequency resonance
#17METHOD FOR EVALUATING AND MONITORING FORMATION FRACTURE TREATMENT USING FLUID PRESSURE WAVES
#18Enhanced surveillance of subsurface operation integrity using microseismic data
#19METHOD FOR EVALUATING AND MONITORING FORMATION FRACTURE TREATMENT USING FLUID PRESSURE WAVES
#20Switchable distributed acoustic sensing system for wellbore environment
#21Wellbore sand detection using passive acoustic array
#22Method and system for positioning seismic source in microseism monitoring
#23Method for evaluating and monitoring formation fracture treatment closure rates and pressures using fluid pressure waves
#24Method for fracture activity monitoring and pressure wave resonance analyses for estimating geophysical parameters of hydraulic fractures using fracture waves
#25Monitoring system for deformations of gas storage
#26Microseismic monitoring system
#27Test system for microseismic test of rock mass fractures
#28Frequency weighting in broadband acoustic beamforming
#29Method for evaluating and monitoring formation fracture treatment using fluid pressure waves
#30Distributed acoustic sensing systems and methods employing multiple pulse widths
#31Real-time control of diverters
#32Methods to image acoustic sources in wellbores
#33Methods and systems of detecting a microseismic event using an iterative non-linear inversion algorithm
#34Microseismic density mapping
#35Analysis of microseismic supported stimulated reservoir volumes
#36Estimating in situ stress from acoustic emission source parameters
#37Method of using semblance of corrected amplitudes due to source mechanisms for microseismic event detection and location
#38Combination of controlled and uncontrolled seismic data
#39Enhancing reservoir characterization using real-time SRV and fracture evolution parameters
#40Method of using a parabolic equation model for range-dependent seismo-acoustic problems
#41System and method for processing microseismic data
#42REVERSE TIME MIGRATION BASED ON GEOMETRIC MEAN FOR IMAGING SEISMIC SOURCES
#43PROCESSING MICROSEISMIC DATA
#44Seismic data analysis including modelling slippage planes
#45System and method for microseismic data acquisition using sensor patches
#46Induced seismic source method and device
#47Layered linear inversion techniques for locating microseismic activity
#48Scalable borehole acquisition system
#49Interactive event grouping method
#50Method to enhance the resolvability of moment tensor inversion for III conditioned receiver coverage
#51Device and method for velocity function extraction from the phase of ambient noise
#52Barrier detection system and method
#53Fracturing and reactivated fracture volumes
#54Noise attenuation of multicomponent microseismic data
#55Apparatus and method for detecting fracture geometry using acoustic telemetry
#56Methods and systems for using known source events in seismic data processing
#57Microseismic event localization using both direct-path and head-wave arrivals
#58Seismic monitoring
#59Low frequency passive seismic data acquisition and processing
#60Borehole microseismic systems and methods
#61Horizontal streamer broadband marine seismic acquisition configuration and processing
#62Loudness based method and system for determining relative location of an acoustic event along a channel
#63Monitoring of reservoir fluid moving along flow pathways in a producing oil field using passive seismic emissions
#64Integrated passive and active seismic surveying using multiple arrays
#65Integrated passive and active seismic surveying using multiple arrays
#66DEVICE AND METHOD FOR LOCATING MICROSEISMIC EVENTS USING ARRAY OF RECEIVERS
#67System and method for microseismic analysis
#68System and method for narrow beam scanning microseismic monitoring
#69Field correlation for real-time passive seismic surveillance
#70Barrier detection system and method
#71ENERGY DENSITY AND STRESS IMAGING CONDITIONS FOR SOURCE LOCALIZATION AND CHARACTERIZATION
#72STATICS CALCULATION
#73Method for monitoring a subsoil zone using a plurality of correlated traces, particularly during simulated fracturing operations
#74VH Reservoir Mapping with Borehole Sensors
#75IMAGE DOMAIN SIGNAL TO NOISE ESTIMATE WITH BOREHOLE DATA
#76TIME REVERSE IMAGING ATTRIBUTES WITH BOREHOLE DATA
#77VH Reservoir Mapping with Synchronous Data
#78Time reverse reservoir localization
#79Time reverse reservoir localization with borehole data
#80TIME REVERSE IMAGING OPERATORS FOR SOURCE LOCATION WITH BOREHOLE DATA
#81Active noise injection computations for improved predictability in oil and gas reservoir characterization and microseismic event analysis
#82TIME REVERSE IMAGING OPERATORS FOR SOURCE LOCATION
#83IMAGE DOMAIN SIGNAL TO NOISE ESTIMATE
#84TIME REVERSE IMAGING ATTRIBUTES
#85Hydrocarbon detection with passive seismic data
#86Method for determining discrete fracture networks from passive seismic signals and its application to subsurface reservoir simulation
#87Noise attenuation in passive seismic data
#88Method for monitoring a subsoil zone, particularly during simulated fracturing operations
#89Methods and systems for microseismic mapping
#90Processing time series data embedded in high noise
#91Time Reverse Reservoir Localization
#92Time Reverse Reservoir Localization
#93Time reverse reservoir localization
#94VH reservoir mapping
#95Continuous reservoir monitoring for fluid pathways using microseismic data
#96NOISE SUPPRESSION FOR DETECTION AND LOCATION OF MICROSEISMIC EVENTS USING A MATCHED FILTER
#97Marine passive seismic method for direct hydrocarbon detection
#98Continuous microseismic mapping for real-time 3D event detection and location
#99Integration of geomechanics and seismic analysis for passive seismic feasibility analysis
#100Method for imaging the earth's subsurface using passive seismic sensing
#101VH signal integration measure for seismic data
#102Frequency shift reservoir localization
#103Identifying the -factor using microseismic event generated -coda waves
#104Method for monitoring seismic events
#105Methods and systems for processing microseismic data
#106Stacked receivers for microseismic monitoring
#107Seismic attributes for reservoir localization
#108Microseismic event detection and location by continuous map migration
#109Time reverse reservoir localization
#110Method and apparatus for long term seismic monitoring
#111System and method for seismic pattern recognition
#112SYSTEM AND METHOD FOR DETERMINING SEISMIC EVENT LOCATION
#113Memory seismic device and method
#114Method for passive seismic emission tomography
#115VH signal integration measure for seismic data
#116Signal integration measure for seismic data
#117VH Reservoir Mapping
#118Frequency autonormalisation reservoir mapping
#119Passive seismic event detection
#120Microseismic event detection and location by continuous map migration
#121Method and apparatus for imaging permeability pathways of geologic fluid reservoirs using seismic emission tomography
#122Method for the detection and exploration of subterranean hydrocarbon deposits by receivers of acoustic waves in a frequency range from 0.2 to 30 Hz
#123Method for monitoring seismic events
#124Well proppants
#125Method and system for microseismic event wavefront estimation