SYSTEM AND METHOD FOR DECONVOLUTION OF IN-WELL DISTRIBUTED ACOUSTIC SENSING

Fiber-optic transmission-based real-time ocean bottom seismic node

DISTRIBUTED OPTICAL FIBER MONITORING SYSTEM FOR FAILURE MONITORING OF DEEP ROCK MASS

A METHOD TO PERFORM SELECTION OF OPTICAL GAUGE LENGTH OF FIBERS USED IN HYDROCARBON RECOVERY OPERATIONS, CARBON CAPTURE AND SEQUESTRATION, AND GEOTHERMAL APPLICATIONS

BOUNDARY TRAVERSAL SENSING APPARATUS AND SYSTEM COMPRISING SAME

SUBSURFACE IMAGING USING LASER VIBROMETRY

AUTOMATIC FIBER CABLE IDENTIFICATION AND CALIBRATION FOR WELL SYSTEMS

METHOD FOR EXTRACTING SURFACE WAVE DISPERSION CURVES BASED ON STRAIN FIELDS

OPTICALLY POWERED FIBER OPTIC SENSORS

WARNING SYSTEM OF SENSOR COUPLING ISSUE FOR FIBER OPTIC-BASED MEASUREMENTS WITH A SOURCE LOCATED ABOVE A DISTRIBUTED ACOUSTIC SENSOR ARRAY

PRODUCING FLUID FROM A WELL USING DISTRIBUTED ACOUSTIC SENSING AND AN ELECTRICAL SUBMERSIBLE PUMP

SENSOR DISPLACEMENT TUNING BODY AND APPARATUSES, SYSTEMS, AND METHODS COMPRISING SAME

Self-Powered Optical Amplifiers

SELF-ORIENTING SENSING NODE AND METHOD

METHODS EMPLOYING DISTRIBUTED TEMPERATURE SENSING AND DISTRIBUTED ACOUSTIC SENSING FOR GEOTHERMAL WELL PLANNING AND DEVELOPMENT

Architecture For Distributed Acoustic Sensing Interrogation For Sensor Deployment

Sensor Deployment For Distributed Acoustic Sensing Interrogation In Subsea Applications

LONG OFFSET LOW FREQUENCY SEISMIC SURVEYS USING OPTICAL FIBERS

OPTICAL COMMUNICATION UNDERGROUND EQUIPMENT LOCATION MAPPING SYSTEM, OPTICAL COMMUNICATION UNDERGROUND EQUIPMENT LOCATION MAPPING METHOD, AND OPTICAL COMMUNICATION UNDERGROUND EQUIPMENT LOCATION MAPPING DEVICE

FROZEN CHAMBER FOR DISTRIBUTED ACOUSTIC SENSING (DAS) CONFIGURATION TESTS AND DISPOSABLE DEPLOYMENT

SYSTEM AND METHOD FOR DISTRIBUTED ACOUSTIC SENSING VERTICAL SEISMIC PROFILE MODELING

SUBSEA OPTICAL AMPLIFICATION AND CIRCULATOR FOR OPTICAL SENSING

INVERTING EARTHQUAKE FOCAL MECHANISMS WITH DISTRIBUTED ACOUSTIC SENSING

DAS DEPTH CALIBRATION WITH MULTI-GAUGE LENGTH INTERROGATION

FIBER-SEISMIC TOMOGRAPHY

DISTRIBUTED FIBER OPTIC SENSING AND DETECTION SYSTEMS AND METHODS FOR IMPROVED DRILLING OPERATIONS AND WELL CONTROL

METHOD AND APPARATUS FOR INVERTING FORMATION WAVE IMPEDANCE USING DAS BOREHOLE SEISMIC DATA

STREAMING OF SUB-TITLED DATA AND PROCESSING MODEL FOR FIBER OPTICS SEISMIC OPERATION

ACTIVE SEISMIC SOURCE GENERATION FOR DISTRIBUTED ACOUSTIC SENSING, GEO-TAGGING, AND SUBSURFACE IMAGING

TRUE PARTICLE VELOCITY WAVEFIELD PROCESSING IN FIBER OPTICS - PARTICLE MOTION SENSOR HYBRID ARRAY

SENSOR DISPLACEMENT TUNING BODY AND APPARATUSES, SYSTEMS, AND METHODS COMPRISING SAME

BOUNDARY TRAVERSAL SENSING APPARATUS AND SYSTEM COMPRISING SAME

FIBER OPTIC STRAIN SENSOR AND SEISMIC MONITORING SYSTEM

SYSTEM AND METHOD FOR DETERMINING WATER BOTTOM SEDIMENT ACOUSTIC PROPERTIES USING A PILE DRIVER ACOUSTIC SOURCE

SPATIOTEMPORAL AND SPECTRAL CLASSIFICATION OF ACOUSTIC SIGNALS FOR VEHICLE EVENT DETECTION

AIRBORNE OPTICAL CHARACTERIZATION OF UNDERWATER SOUND SOURCES

SPATIOTEMPORAL AND SPECTRAL CLASSIFICATION OF ACOUSTIC SIGNALS FOR VEHICLE EVENT DETECTION OVER DEPLOYED FIBER NETWORKS

FIBER SENSING SYSTEM, RELAYING APPARATUS, AND FIBER SENSING METHOD

METHOD AND DEVICE FOR CALIBRATING DEPTH OF OPTICAL FIBRE IN WELL

Detecting Near-Surface Structures

Methods and systems for predicting risk of early-screen-out in near-well zone based on distributed fiber acoustic sensing (DAS)

Method and system for measuring strain rate at a scale shorter than gauge length

SYSTEMS AND METHODS FOR CORRECTING DISTRIBUTED ACOUSTIC SENSING DATA

WIND DETECTION METHOD AND SYSTEM

DISTRIBUTED SENSING USING FLUID NETWORK

Monitoring and Perforating System and Method Combining Plug and Perforation Operation with Distributed Acoustic Sensing

ENVIRONMENT INFORMATION ACQUISITION APPARATUS, ENVIRONMENT INFORMATION ACQUISITION METHOD, AND COMPUTER-READABLE MEDIUM

DEVICES, SYSTEMS, AND METHODS PROVIDING EARTHQUAKE INFORMATION WITH DISTRIBUTED FIBER-OPTIC SENSING

Monitoring and Perforating System and Method Combining Plug and Perforation Operation with Distributed Acoustic Sensing

FIBER SENSING SYSTEM, RELAYING APPARATUS, AND FIBER SENSING METHOD

METHOD AND APPARATUS OF DISTRIBUTED ACOUSTIC SENSING

RANGE AND CAPABILITY EXTENDING DEVICE FOR PERIMETER INTRUSION DETECTION

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

UTILITY POLE LOCALIZATION FROM AMBIENT DATA

SYSTEM AND METHOD FOR INTER-WELLBORE MONITORING

FLEXIBLE AND RAPID DEPLOYABLE FIELD MONITORING SYSTEM

INTRUSION DETECTION ALGORITHM WITH WIND REJECTION HEURISTIC

Fiber optic cable location system and method

MACHINE LEARNING GUIDED SUBSURFACE FORMATION MICROSEISMIC IMAGING

Multi-fiber sensing topology for subsea wells

Machine learning analysis of low-frequency signal data in fracturing operations

METHOD AND APPARATUS OF DISTRIBUTED ACOUSTIC SENSING

METHOD AND SYSTEM FOR DOWNHOLE OBJECT LOCATION AND ORIENTATION DETERMINATION

Method and system for mapping fiber optic distributed acoustic sensing measurements to particle motion

DISTRIBUTED FIBER OPTIC SENSING ON OPTICAL FIBERS CARRYING TRAFFIC

FLEXIBLE RAPID DEPLOYABLE PERIMETER MONITOR SYSTEM

Seismic source for on the move seismic surveying

ROCK FALL ANALYSER

Simultaneous distributed acoustic sensing with multiple gauge lengths

FREQUENCY RESPONSE ESTIMATION METHOD TO COMPENSATE FOR CHANNEL DIFFERENCES IN DISTRIBUTED ACOUSTIC SENSING SYSTEMS

INTELLIGENT GEOPHYSICAL DATA ACQUISITION SYSTEM AND ACQUISITION METHOD FOR SHALE OIL AND GAS OPTICAL FIBER

Dynamic road traffic noise mapping using distributed fiber optic sensing (DFOS) over telecom network

Fracture Geometry And Orientation Identification With A Single Distributed Acoustic Sensor Fiber

Detecting seismic events using multispan signals

Wireline optical fiber sensing

METHODS OF CHARACTERIZING ACOUSTIC OUTPUT FROM HYDROCARBON WELLS

FRACTURE DETECTION USING DISTRIBUTED OPTICAL FIBER SENSING

Systems and methods for identifying deployed cables

Triggering distributed acoustic sensing downhole using an active fiber stretcher assembly

Low frequency distributed acoustic sensing hydraulic fracture geometry

FIBER SENSING USING SUPERVISORY PATH OF SUBMARINE CABLES

Fiber optic interrogation system

True particle velocity wavefield processing in fiber optics - particle motion sensor hybrid array

SYSTEM AND METHOD FOR LOCALIZED SEISMIC IMAGING AROUND WELLBORES

Fibre-optic acoustic sensor and associated measurement system, vehicle and measurement method

SYSTEM FOR ACQUIRING SEISMIC DATA

Retrievable fiber optic vertical seismic profiling data acquisition system with integrated logging tool for geophone-equivalent depth accuracy

Das system for pre-drill hazard assessment and seismic recording while drilling

DETECTING AND MONITORING FORMATION FEATURES WITH AN OPTICAL FIBER

Method of time-lapse monitoring using seismic waves

Monitoring system, monitoring device, monitoring method, and non-transitory computer-readable medium

Stimulated rock volume analysis

Optical-fiber-acceleration-sensor probe for suppressing resonance and optical fiber microseismic monitoring sensor

UTILITY POLE LOCALIZATION BY DISTRIBUTED FIBER SENSING OF AERIAL FIBER CABLE

SYSTEM AND METHOD OF CALIBRATING DOWNHOLE FIBER-OPTIC WELL MEASUREMENTS

Gauge length effect and gauge length conversion

Phase sensing with redundant sensor difference error detection and smart correction

Fiber optic cable location system and method

Instrumented bridge plugs for downhole measurements

Method and system for distributed fibre optic sensing

Distributed acoustic sensing to geophone seismic data processing

De-spiking distributed acoustic sensor seismic profile

SYSTEM AND METHOD FOR OPTICALLY READING A SENSOR ARRAY

Laser noise reduction for laser interferometry

Spatially locating a microseismic event utilizing an acoustic sensing cable

Using fiber-optic distributed sensing to optimize well spacing and completion designs for unconventional reservoirs

Distributed optical fiber sensing using point sensors

Determining structural tomographic properties of a geologic formation

Cluster efficiency operation control

Fracture complexity operation control

WELLBORE INTERFERENCE OPERATION CONTROL

Fracturing control

Fiber optic cable depth calibration and downhole applications

Simultaneous acquisition of distributed acoustic sensing for monitoring

Well interference sensing and fracturing treatment optimization

Downhole fiber optic hydrophone

Determining event characteristics of microseismic events in a wellbore using distributed acoustic sensing

Locating passive seismic events in a wellbore using distributed acoustic sensing

Single-photon detector-based interrogation for distributed fiber optic sensing of subsea wells

Anisotropy model guided fracture properties extraction from VSP data

Method for correction of clock drift in seismic nodes, a seismic node and a seismic node handling system

Translatable eat sensing modules and associated measurement methods

Fiber optic noise mitigation for distributed acoustic sensing

Seismometer

Coiled tubing enabled dual telemetry system

Retro-reflective interferometer

Subterranean well torpedo system

Subterranean well torpedo distributed acoustic sensing system and method

Mitigation of distributed acoustic sensing gauge length effects using inversion

SEISMIC SENSOR

SYSTEM AND METHOD FOR DISPLAYING SEISMIC EVENTS IN DISTRIBUTED ACOUSTIC SENSING DATA

Simultaneous seismic refraction and tomography

Determining wellbore properties with an optic fibre while lowering a casing

Submarine seismic monitoring apparatus and system based on submarine internet of things

Simultaneous distributed measurement monitoring over multiple fibers

Optical link management

Method and system for distributed acoustic sensing in a marine environment

Multi-frequency acoustic interrogation for azimuthal orientation of downhole tools

Determining structural tomographic properties of a geologic formation

Determining structural tomographic properties of a geologic formation

Methods and systems for characterizing fractures in a subterranean formation

Hybrid sensing apparatus and method

Distributed acoustic sensing autocalibration

Detecting downhole sand ingress locations

Method and device for telemetry in acoustic arrays technical field

Signal to noise ratio management

Auditory monitoring of downhole conditions through a fiber optic cable

Seismic detection switch

Simulation of geophone data from distributed acoustic sensing data

Wireline Optical Fiber Sensing

Spectral noise separation and cancellation from distributed acoustic sensing acoustic data

Optical link management

Seismic surveys with optical communication links

Fiber Measurements for Fluid Treatment Processes in A Well

Detecting downhole sand ingress locations

Fibro: a fiber optic data processing software for unconventional reservoirs

Method and system for downhole object location and orientation determination

Detecting downhole events using acoustic frequency domain features

Distributed acoustic sensing system with a polarization control device for improving signal-to-noise ratio

Correcting a digital seismic image using a function of speed of sound in water derived from fiber optic sensing

Gauge length effect and gauge length conversion

Optical link management

Determining structural tomographic properties of a geologic formation

Integrated seismic monitoring system and method

Seismic sensor station

Seismic sensor station

Office building security system using fiber sensing

Switchable distributed acoustic sensing system for wellbore environment

Tiltmeter for EAT applications

Flow velocity meter and method of measuring flow velocity of a fluid

Distributed sensing systems and methods with spatial location correlation

Optical link management

Determining structural tomographic properties of a geologic formation

Determining structural tomographic properties of a geologic formation

OFFSHORE RESERVOIR MONITORING SYSTEM AND METHOD FOR ITS OPERATION

Determining structural tomographic properties of a geologic formation

Simultaneous distributed measurements on optical fiber

Arrayed distributed acoustic sensing using single-photon detectors

Low frequency distributed acoustic sensing hydraulic fracture geometry

Detecting downhole events using acoustic frequency domain features

ELECTRO ACOUSTIC TECHNOLOGY SEISMIC DETECTION SYSTEM WITH DOWN-HOLE SOURCE

Large range, high resolution interferometer for wide range of sensing applications

HOSE ASSEMBLY FOR UNDERWATER USE

Method of calibrating depths of a seismic receiver array

ELECTRO-OPTICAL TRANSDUCER

Stimulated rock volume analysis

METHOD OF MEASUREMENT AND APPARATUS FOR MEASUREMENT OF AMPLITUDE RATIO OF TWO FIRST HARMONICS OF THE SIGNAL OBTAINED FROM SAGNAC SYSTEM

Multilateral well sensing system

Creating 3C distributed acoustic sensing data

OPTICAL FIBER ACOUSTIC SENSING CABLE FOR DISTRIBUTED ACOUSTIC SENSING OVER LONG DISTANCES AND IN HARSH ENVIRONMENTS

Apparatus and method for monitoring production wells

Large area seismic monitoring using fiber optic sensing

Wellbore Distributed Acoustic Sensing System Using A Mode Scrambler

DOWNHOLE LOGGING SYSTEMS AND METHODS EMPLOYING ADJUSTABLY-SPACED MODULES

Optical fiber distributed sensors with improved dynamic range

Reducing noise in a distributed acoustic sensing system downhole

Distributed acoustic sensing systems and methods employing multiple pulse widths

Real-time control of diverters

Method and apparatus for identifying fluids behind casing

Method of time-lapse monitoring using seismic waves

Enhanced seismic surveying

Threat detection system

Ocean bottom sensing system and method

Hybrid fiber optic cable for distributed sensing

SYSTEM AND METHOD FOR MEASURING IN-GROUND VIBRATION

Sensor device and method for borehole seismic applications

Optical sensor device, sensor apparatus and cable comprising such device

Downhole fiber optic hydrophone

Method of acoustic surveying

Distributed optical fiber sensing signal processing method for safety monitoring of underground pipe network

METHOD AND SYSTEM FOR TRANSMITTING SIGNALS FROM A DISTRIBUTED ACOUSTIC SENSOR THROUGH A ONE PIN SOLUTION OF A SUBSEA WELLHEAD

Multifiber interrogation with reflectometry techniques

Multi-sensor workflow for evaluation of water flow in multiple casing strings with distributed sensors data

FIBER OPTIC DISTRIBUTED ACOUSTIC SENSOR OMNIDIRECTIONAL ANTENNA FOR USE IN DOWNHOLE AND MARINE APPLICATIONS

Seismic surveys with optical communication links

Seismic surveys with optical communication links

Seismic surveys with optical communication links

FIBER OPTIC STREAMER MONITORING

Detecting broadside acoustic signals with a fiber optical distributed acoustic sensing (DAS) assembly

Distributed fiber optic acoustic detection device

Low-frequency DAS SNR improvement

Optical link management

Modifying optical signals output by a wavelength division demultiplexer to detect subterranean physical properties

Branch patch array for real time monitoring of surface micro-seismic waves

Hydraulic fracture monitoring by low-frequency das

DAS method of estimating fluid distribution

Strain sensitive optical fiber cable package for downhole distributed acoustic sensing

Low frequency distributed acoustic sensing

INTEGRATED SEISMIC MONITORING SYSTEM AND METHOD

Noise removal for distributed acoustic sensing data

Electronic Sensor Apparatus, Methods, and Systems

Acoustic device for reducing cable wave induced seismic noises

Adaptive feedback for phase estimation and adjustment

Subterranean monitoring using enhanced video

Optical fiber sensor, seismic prospecting method, method of measuring distribution of petroleum/natural gas reservoir layer, strain detection method, and method of specifying position of a fissure in stratum

Distributed sensing systems and methods with efficient energy spectrum analysis

Multi-sensor workflow for evaluation of gas flow in multiple casing strings with distributed sensors

Method and system for downhole object location and orientation determination

Vented optical tube

Detection of seismic signals using fiber optic distributed sensors

Detecting broadside acoustic signals with a fiber optical distributed acoustic sensing (DAS) assembly

Threat detection system

Fiber optic sensor array for electromagnetic data collection

Distributed acoustic sensing systems and methods employing under-filled multi-mode optical fiber

Compression-resistant seismic fiber optic cable for repeated deployment

Seismic cable, system and method for acquiring information about seismic, microseismic and mechanical vibration incidents in a well

Multi-sensor workflow for evaluation of water flow in multiple casing strings with distributed sensors data

Distributed acoustic sensing gauge length effect mitigation

Distributed seismic sensing for in-well monitoring

Floodable optical apparatus, methods and systems

Method and system for buried land mine detection through derivative analysis of laser interferometry

High data-rate telemetry pulse detection with a Sagnac interferometer

Optical waveguide system for interrogating a plurality of sensor nodes wherein a location of the received input signal is determined

Optical detection systems and methods of using the same

Fibre optic cable for acoustic/seismic sensing

Phase resolved shearography for remote sensing

Distributed acoustic sensing using low pulse repetition rates

Subsea cable having floodable optical fiber conduit

Optical fiber distributed sensors with improved dynamic range

Optical monitoring system

Method and apparatus for measuring seismic parameters of a seismic vibrator

Distributed acoustic sensing systems and methods employing under-filled multi-mode optical fiber

FIBER OPTIC DISTRIBUTED ACOUSTIC MEASUREMENTS VIA FMCW INTERROGATION

Optical fiber sensing with enhanced backscattering

Optical fiber well deployment for seismic surveying

Detecting broadside acoustic signals with a fiber optical distrubuted acoustic sensing (DAS) assembly

Seismic monitoring

Optical well logging

Method of acoustic surveying

Seismic geophysical surveying

Method and apparatus for measuring seismic parameters of a seismic vibrator

Distributed downhole acousting sensing

Acoustic telemetry with distributed acoustic sensing system

Monitoring of conduits

EVENT SYNCHRONIZATION FOR OPTICAL SIGNALS

Detecting the direction of acoustic signals with a fiber optical distributed acoustic sensing (DAS) assembly

Optical detection systems and methods of using the same

SENSOR ARRAY

PHASE SENSITIVE COHERENT OTDR WITH MULTI-FREQUENCY INTERROGATION

Fiber optic pipeline monitoring systems and methods of using the same

Methods for locating a cement sheath in a cased wellbore

System and method of distributed fiber optic sensing including integrated reference path

Method and system for transmission of seismic data

Systems and methods for distributed interferometric acoustic monitoring

Optical fiber based downhole seismic sensor systems and methods

Fiber optic acoustic sensor arrays and systems, and methods of fabricating the same

Distributed optical fibre sensing

MONITORING USING DISTRIBUTED ACOUSTIC SENSING (DAS) TECHNOLOGY

Detection of seismic signals using fiber optic distributed sensors

Systems and methods for distributed interferometric acoustic monitoring

Method for transmission of seismic data

Sensor array configuration for extending useful sensing length of a swept-wavelength interferometry based system

Distributed acoustic sensing with fiber Bragg gratings

Distributed acoustic wave detection

Dynamic sensor of physical quantities with optical waveguide with optically pumped amplifier medium

Determining a status in a wellbore based on acoustic events detected by an optical fiber mechanism

Deep-sea network and deployment device

Fiber optic sensor system using white light interferometry

Sensor cable and multiplexed telemetry system for seismic cables having redundant/reversible optical connections

Non-uniform sampling to extend dynamic range of interferometric sensors