Topside distributed acoustic sensing interrogation of subsea wells with a single optical waveguide

OPTIMIZED OPTICAL FIBER FOR ENHANCED SCATTER IN DOWNHOLE ENVIRONMENTS

Method and apparatus for transmitting electric signals or power using a fiber optic cable

Drift correction in a fiber optic distributed acoustic sensing system

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

Predicting material distribution in a hydraulic fracturing treatment stage

Acoustic detection of position of a component of a fluid control device

Cladding for an electro-optical device

Light pipe for logging-while-drilling communications

Method to determine adjacent well communication

Distributed acoustic sensor with trackable plug

Sono tool and related systems and methods

Topside interrogation for distributed acoustic sensing of subsea wells

Subterranean well torpedo system

Subterranean well torpedo distributed acoustic sensing system and method

Subterranean well thrust-propelled torpedo deployment system and method

Systems and methods for characterizing subsurface formation properties through geochemical logging

DETECTING EVENTS AT A FLOW LINE USING ACOUSTIC FREQUENCY DOMAIN FEATURES

Semi-autonomous downhole taxi with fiber optic communication

Optical splash communication in downhole applications

Detecting downhole sand ingress locations

Hybrid sensing apparatus and method

Application of the ensemble Kalman filter to dynamic history matching in wellbore production

Fiber deployment system and communication

Detection of location of cement

Method and system for monitoring well operations

Mid-infrared sensor

In-line amplifier assembly for distributed sensing system

Hybrid electro-optic wireline cable

Cable system for downhole use and method of perforating a wellbore tubular

Auditory monitoring of downhole conditions through a fiber optic cable

Distributed sensing interrogator using single-mode fiber for multi-mode fiber interrogation

TEMPERATURE-CORRECTED DISTRIBUTED FIBER-OPTIC SENSING

BI-MODAL ANALYSIS AGENT

Directional sensitive fiber optic cable wellbore system

Systems and Methods for Predicting or Identifying Underlying Features of Multidimensional Well-Logging Measurements

Laser tool

Distributed acoustic sensing system with phase modulator for mitigating faded channels

Method and system for detecting dynamic strain

Gauge length effect and gauge length conversion

Systems and devices for sensing corrosion and deposition for oil and gas applications, and related methods

Systems and methods to improve distributed acoustic sensing properties of optical fibers

Arrayed distributed temperature sensing using single-photon detectors

Method for flow profiling using active-source heating or cooling and temperature profiling

Telemetry system including a super conductor for a resource exploration and recovery system

Hydraulic positioning control for downhole tools

Microseismic Processing Using Fiber-Derived Flow Data

Stimulation using fiber-derived information and fracturing modeling

Electrochemical sensing using optical systems with electrochemical probes for wellbore applications

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

Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation

Methods and electrically-actuated apparatus for wellbore operations

ELASTOMER CHARACTERIZATION

Detection of downhole data telemetry signals

Fiber optic cable for inhibiting breaching fluid flow

Distributed sensing systems and methods with spatial location correlation

Centralizer for downhole probes

Optical wireless rotary joint

Telemetry system using frequency combs

Simultaneous distributed measurements on optical fiber

Multi-cavity all-glass interferometric sensor for measuring high pressure and temperature

ENVIRONMENTAL IMPACT MONITORING FOR DOWNHOLE SYSTEMS

Cross-sensor standardization

Tool coupler with data and signal transfer methods for top drive

Helix hand reversal mitigation system and method

LEAK DETECTION SYSTEM FOR INTERMITTENT USE PIPELINES

Detecting a moveable device position using fiber optic sensors

Method of launching a spacecraft into low earth orbit using a non-line-of-sight optical power transfer system

Launching and retrieving wireline eat sensors

Data fusion enhanced multi-modality wellbore integrity inspection system

Wellbore detector with azimuthal and spectral energy resolution

Real-time water flood optimal control with remote sensing

Digital 2D holographic spectrometer for material characterization

Deviated production well telemetry with assisting well/drillship

METHOD FOR USING VOXELATED X-RAY DATA TO ADAPTIVELY MODIFY ULTRASOUND INVERSION MODEL GEOMETRY DURING CEMENT EVALUATION

Logging-while-drilling optical fiber communication device

Surface controlled reversible coiled tubing valve assembly

WELLBORE DEVICES AND METHODS

Methods and systems for optical links in downhole oil well operations

Fixed-wavelength fiber optic telemetry

Centralizer for downhole probes

Single source full-duplex fiber optic telemetry

Multilateral well sensing system

Dispersion-shifted optical fibers for downhole sensing

Electroacoustic pump-down sensor

Signal arithmetic processor and sensor system

Systems and methods for surface detection of electromagnetic signals from subsurface environments

Mid-infrared sensor

Wireless downhole feedthrough system

Bridge plug sensor for bottom-hole measurements

High-pressure jetting and data communication during subterranean perforation operations

CROSSWELL TOMOGRAPHY USING AN ARRAY OF OPTICAL FIBER TRANSDUCERS

Downhole telemetry system using frequency combs

Using electro acoustic technology to determine annulus pressure

System And Method For Optical Communication Using Optical Switches

Inductive charging for electro acoustic technology

Multiple polarization fiber optic telemetry

Modular electro-optic flowmeter system for downhole

Active error correction in an optical sensor system

Optical fiber distributed sensors with improved dynamic range

Mud pump stroke detection using distributed acoustic sensing

Passive ranging to a target well using a fiber optic ranging assembly

Strain locked fiber optic cable and methods of manufacture

Cement plug tracking with fiber optics

Distributed acoustic sensing systems and methods employing multiple pulse widths

Downhole Telemetry Systems and Methods

Inspection of wellbore conduits using a distributed sensor system

Method and system for performing well operations

Reverse design technique for optical processing elements

Providing high power optical pulses over long distances

Multi-parameter optical fiber sensing for reservoir compaction engineering

LOCATING WELLBORE FLOW PATHS BEHIND DRILL PIPE

Improving dynamic range in fiber optic magnetic field sensors

DISTRIBUTED ELECTROMOTIVE FORCE SENSING

System and methods for cross-sensor linearization

Hybrid fiber optic cable for distributed sensing

SCALABLE COMMUNICATION SYSTEM FOR HYDROCARBON WELLS

APPARATUS AND METHODS FOR OPERATING DEVICES IN WELLBORES USING SIGNAL TRANSMITTERS IN A DROP DEVICE

Acoustic illumination for flow-monitoring

Distributed parameter measurements using multiple optical sources

Optical energy transfer and conversion system for planetary rover having drum configured fiber spooler mounted thereon

Optical energy transfer and conversion system for unmanned aerial vehicle having drum configured fiber spooler mounted thereon

Optical energy transfer and conversion system for remotely operated vehicle having drum configured fiber spooler mounted thereon

Optical energy transfer and conversion system for autonomous underwater vehicle having drum configured fiber spooler mounted thereon

Optical energy transfer and conversion system for planetary rover having axially configured fiber spooler mounted thereon

Optical energy transfer and conversion system for unmanned aerial vehicle having axially configured fiber spooler mounted thereon

Optical energy transfer and conversion system for remotely operated vehicle having axially configured fiber spooler mounted thereon

Identifying fluid level for down hole pressure control with depth derivatives of temperature

Application of the time derivative of distributed temperature survey (DTS) in identifying flows in and around a wellbore during and after hydraulic fracture

Downhole component support systems and methods of installation

Treatment based on fiber cable sensor data

ETHERNET DISTRIBUTED PASSIVE OPTICAL NETWORKING FOR SUBSEA SYSTEMS

Formation property measurement apparatus, methods, and systems

Integrated optical module for downhole tools

Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation

Method of acoustic surveying

Universal downhole probe system

SINGLE THREAD FIBER OPTIC TRANSMISSION

Frequency comb for downhole chemical sensing

ZONAL COMMUNICATION AND METHODS OF EVALUATING ZONAL COMMUNICATION

Electrically conductive fiber optic slickline for coiled tubing operations

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

DOWNHOLE ROBOTIC ARM

Distributed optical sensing using compressive sampling

Plunger lift monitoring via a downhole wireless network field

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

Modulating downhole reflector

Partially reflective materials and coatings for optical communication in a wellbore

Production logs from distributed acoustic sensors

Downhole fiber optic quadrature modulation

Electromagnetic telemetry using a transceiver in an adjacent wellbore

Multipurpose permanent electromagnetic sensing system for monitoring wellbore fluids and formation fluids

Downhole telemetry using adaptive feedback

Hydraulic fracture analysis

Combined hybrid cable housing and splitter

Sonoluminescence spectroscopy for real-time downhole fluid analysis

Optical fiber connection

Methods and systems employing fiber optic sensors for ranging

Low-frequency DAS SNR improvement

Graphene tunneling photodetectors for high-temperature downhole use

GEOSTEERING BY ADJUSTABLE COORDINATE SYSTEMS AND RELATED METHODS

Methods and systems for optimizing a drilling operation based on multiple formation measurements

Through-casing fiber optic electrical system for formation monitoring

System and methods using fiber optics in coiled tubing

Well communication system

Graphene barriers on waveguides

Optical coupling system for downhole rotation variant housing

Instrumented multilateral wellbores and method of forming same

Monitoring wireline coupling and distribution

Quasi-optical waveguide

MICROSEISMIC MONITORING WITH FIBER-OPTIC NOISE MAPPING

Methods and electrically-actuated apparatus for wellbore operations

Downhole photon radiation detection using scintillating fibers

Hydraulic fracture monitoring by low-frequency das

DAS method of estimating fluid distribution

Wellbore monitoring system using strain sensitive optical fiber cable package

Strain sensitive optical fiber cable package for downhole distributed acoustic sensing

Low frequency distributed acoustic sensing

Serial weak FBG interrogator using pulses of differing wavelengths

IMAGING SUBTERRANEAN ANOMALIES USING ACOUSTIC DOPPLER ARRAYS AND DISTRIBUTED ACOUSTIC SENSING FIBERS

Fiber optic magneto-responsive sensor assembly

Microseismic density mapping

Detection of downhole data telemetry signals

Smart subsea pipeline

Downhole sensing using solitons in optical fiber

Electromagnetic monitoring with formation-matched resonant induction sensors

Nuclear magnetic resonance sensors embedded in cement

Fiber optic coiled tubing telemetry assembly

Methods and systems for optical links in downhole oil well operations

Distributed fiber optic monitoring of vibration to generate a noise log to determine characteristics of fluid flow

Distributed sensing systems and methods with I/Q data balancing based on ellipse fitting

Micro-structured fiber optic cable for downhole sensing

Valves For Regulating Downhole Fluids Using Contactless Actuation

Flow monitoring using distributed strain measurement

Distributed nondestructive inspection system and method for identifying slickline cable defects and mechanical strength degradation trend

Monitoring of equipment associated with a borehole/conduit

Hybrid fiber optic and graphene cable

Sensor system for downhole galvanic measurements

Method and system for detecting dynamic strain

FIBER OPTIC SLICKLINE AND TOOLS

Measuring micro stalls and stick slips in mud motors using fiber optic sensors

Sensing umbilical

DISTRIBUTED SENSOR NETWORK

ACOUSTIC DEBLURRING FOR DOWNWELL SENSORS

Downhole fiber optic measurement of packers during fluid injection operations

Flow sensing in subterranean wells

System for fracturing an underground geologic formation

Sensing systems and methods with phase unwrapping based on a dynamic phase change model

Distributed sensing systems and methods with efficient energy spectrum analysis

Fiber optic cable in det cord

Compression and transmission of measurements from downhole tool

Distributed optical sensors for acoustic and vibration monitoring

Systems and devices for sensing corrosion and deposition for oil and gas applications

Optical rotary joint in coiled tubing applications

Method of monitoring subsurface concrete structures

Fluid inflow

Fluid inflow

CONTROLLING A DOWNHOLE TOOL ON A DOWNHOLE CABLE

Fracture growth monitoring using EM sensing

Method of sealing a fracture in a wellbore and sealing system

Multifunction wellbore tubular penetration tool

Deposition of integrated computational elements (ICE) using a translation stage

Detonation control

Submersible pump monitoring

Systems, tools and methods for well decommissioning

Centralizer for downhole probes

Distributed nondestructive structural defects detection in slickline cables

Interferometric high fidelity optical phase demodulation using 120 degree phase separation

Well tools with vibratory telemetry to optical line therein

Downhole sensing systems and methods employing squeezed light interferometry

Carrier rod for an optical fiber assembly and system for monitoring deformation of well equipment

Downhole surveillance

Downhole surveillance

Downhole sensing using parametric amplification with squeezed or entangled light for internal mode input

Polymer composite wireline cables comprising optical fiber sensors

Protection assembly for downhole wet connectors

Detonation command and control

Smart subsea pipeline

Electromagnetic telemetry system with compensation for drilling fluid characteristics

Fracture characterisation

Process for monitoring an intervention in a fluid exploitation well located underground, and related intervention device

Method and apparatus for downhole tool actuation

Optical waveguide feedthrough assembly

Mounted downhole fiber optics accessory carrier body

Opto-electrical networks for controlling downhole electronic devices

Optical connector

Downhole Sensing Systems and Methods Employing Spectral Analysis of Time-Division Multiplexed Pulse Sequences

Downhole EM sensing using SAGNAC interferometer for wellbore monitoring

Flow Monitoring Tool

Methods of coupling a downhole control line connector

Downhole expandable control line connector

Downhole position sensor

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

Removal of casing slats by cutting casing collars

Helical dry mate control line connector

Controlled blade flex for fixed cutter drill bits

Methods and systems employing a flow prediction model based on acoustic activity and proppant compensation

Method and system for monitoring fluid flow in a conduit

Optical electric field sensors having passivated electrodes

Reflector configuration for distributed sensing in an optical fiber network using multiple sets of circulators

Distributed Acoustic Sensing for Passive Ranging

Trace downsampling of distributed acoustic sensor data

Optical couplers used in a downhole splitter assembly

Fiber optic sensor for measurement of carbon dioxide

Monitoring of steam injection

Observation of vibration of rotary apparatus

Distributed acoustic sensing gauge length effect mitigation

Downhole Measurement While Drilling Tool with a Spectrometer and Method of Operating Same

Fiber Optic Slickline and Tractor System

Fiber optic current monitoring for electromagnetic ranging

System and methodology for monitoring in a borehole

Flow sensing fiber optic cable and system

Apparatus and methods of multiplexing transmissive optical sensors

OPTICALLY-CONTROLLED SWITCHING OF POWER TO DOWNHOLE DEVICES

Subsurface Deployment for Monitoring Along a Borehole

Downhole optical communication

Frequency based measurement of characteristics of a substance

Production logging multi-lateral wells

Acoustic measurement of wellbore conditions

Downhole acoustic wave sensing with optical fiber

Detector, preamplifier selection apparatus, systems, and methods

SYSTEMS AND METHODS FOR DRILLING IN HIGH TEMPERATURE ENVIRONMENTS USING OPTICAL FIBER COMMUNICATION

Sandface liner with power, control and communication link via a tie back string

Acoustic sensor metadata dubbing channel

MONITORING A WELL FLOW DEVICE BY FIBER OPTIC SENSING

Multifunction end cap for coiled tube telemetry

Systems and methods for spread spectrum distributed acoustic sensor monitoring

Subsurface fiber optic stimulation-flow meter

Downhole acoustic density detection

Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity

Equipment and Methods for Determining Waiting-on-Cement Time in a Subterranean Well

Optical Interface System For Communicating With A Downhole Tool

DAS-based downhole tool orientation determination

Wireless downhole feedthrough system

Optical fibre installation in flexible riser

Real-time data acquisition and interpretation for coiled tubing fluid injection operations

High data-rate telemetry pulse detection with a Sagnac interferometer

STRAIN LOCKED FIBER OPTIC CABLE AND METHODS OF MANUFACTURE

BOTTOM HOLE ASSEMBLY FIBER OPTIC SHAPE SENSING

Methods and cables for use in fracturing zones in a well