Contrast enhancement agents for subterranean treatment fluids

Optical Computing Device Having A Redundant Light Source and Optical Train

Remote-field eddy current based total thickness logging

Detecting a flood front in a formation

DOWNHOLE TELEMETRY SYSTEM

Fiber Measurements for Fluid Treatment Processes in A Well

Detecting a flood front in a cross bed environment

In situ monitoring of cement slurry locations and setting processes

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

Method for adjusting the level of inhibitors in an oil or gas well

Downhole well integrity reconstruction in the hydrocarbon industry

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

Real-time inversion of array dielectric downhole measurements with advanced search for initial values to eliminate non-uniqueness

Real time radioactive

FLUID ANALYSIS SYSTEM

Mechanical integrity test system and method of using same

Multiplexing electromagnetic transmitters for monitoring of permanent reservoir

METHODS AND MEANS FOR IDENTIFYING FLUID TYPE INSIDE A CONDUIT

Multistage processing and inversion of corrosion detection tools

LEAK DETECTION SYSTEM FOR INTERMITTENT USE PIPELINES

Methods and systems for obtaining high-resolution spectral data of formation fluids from optical computing device measurements

Distributed device for the detection of a substance

WELLBORE DEVICES AND METHODS

Systems and methods to use triangulation through one sensor beamforming in downhole leak detection

Multicolor fluorescent silica nanoparticles as tracers for production and well monitoring

Method And System For Optical Measurements Of Contained Liquids Having A Free Surface

Electrical impedance tomography using a switchable array

System and method to measure or generate an electrical field downhole

Directional monitoring of injection flood fronts

Monitoring water flood location using potentials between casing and casing-mounted electrodes

Bucking to improve permanent reservoir monitoring sensitivity

Fiber optic sensing using soluble layers

SUBSURFACE ELECTRIC FIELD MONITORING METHODS AND SYSTEMS EMPLOYING A CURRENT FOCUSING CEMENT ARRANGEMENT

CONTROL SYSTEM FOR SUBSEA SUBSURFACE FLUID OPERATIONS

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

Inflow channel for determining properties of fluid flowing therethrough

Real-time control of diverters

Contrast enhancement agents for subterranean treatment fluids

Zonal representation for flow visualization

METHODS AND SYSTEMS USING MICRO-PHOTOMULTIPLIER TUBES AND MICROFLUIDICS WITH INTEGRATED COMPUTATIONAL ELEMENTS

Measurement of temperature using combination of rayleigh and raman backscatter interferometry

LOCATING WELLBORE FLOW PATHS BEHIND DRILL PIPE

DISTRIBUTED ELECTROMOTIVE FORCE SENSING

Systems and methods for real-time measurement of gas content in drilling fluids

Application of depth derivative of distributed temperature survey (DTS) to identify fluid flow activities in or near a wellbore during the production process

Reconstructing optical spectra using integrated computational element structures

Facility for monitoring geological gas storage sites

Method and apparatus for making resistivity measurements in a wellbore

ZONAL COMMUNICATION AND METHODS OF EVALUATING ZONAL COMMUNICATION

Distributed optical sensing using compressive sampling

Well monitoring using casing centralizers

DOWNHOLE FLUID FLOW DIRECTION SENSOR

Systems and methods for mapping hydrocarbon reservoirs using electromagnetic transmissions

Optical fiber connection

Smart fracturing fluid

Graphene tunneling photodetectors for high-temperature downhole use

Formation monitoring through the casing

Well monitoring with autonomous robotic diver

Gas phase detection of downhole fluid sample components

Monitoring water floods using potentials between casing-mounted electrodes

Downhole systems and articles for determining a condition of a wellbore or downhole article, and related methods

Reservoir monitoring using galvanically excited transient electromagnetic fields

Monitoring wireline coupling and distribution

Dual-sensor tool optical data processing through master sensor standardization

SYSTEMS AND METHODS FOR ENHANCING RECOVERY OF HYDROCARBON DEPOSITS

System and methods for cross-tool optical fluid model validation and real-time application

Well monitoring with optical electromagnetic sensing system

Advanced inground operations, system and associated apparatus

Downhole fluid properties optical analysis probe having a removable optical tip

Downhole sensing using solitons in optical fiber

Electromagnetic monitoring with formation-matched resonant induction sensors

Systems and methods for in situ monitoring of cement slurry locations and setting processes thereof

Systems and methods for analyzing the characteristics and compositions of cement additives

Flow monitoring using distributed strain measurement

Fluid analysis system with densitometer having electrically isolated vibrating tube

Multiplexed microvolt sensor systems

Flow sensing in subterranean wells

Well-bore and reservoir monitoring process by logging temperature and resistivity

Fluid inflow

Fluid inflow

Vented optical tube

Method for adjusting the level of inhibitors in an oil or gas well

Well logging with autonomous robotic diver

Backscattering spectrometry for determining a concentration of solids in a solids-laden fluid

Sensing annular flow in a wellbore

Optical computing device diagnostics and treatment

Downhole fluid properties analysis device and tools comprising such a device

Non-contact flow rate measurement of fluid using surface feature image analysis

Downhole EM sensing using SAGNAC interferometer for wellbore monitoring

Systems and methods for real-time measurement of gas content in drilling fluids

Cross-coupling based fluid front monitoring

Electromagnetic imaging for structural inspection

Optical fluid model base construction and use

Method and system for monitoring fluid flow in a conduit

Optical couplers used in a downhole splitter assembly

Distributed acoustic sensing gauge length effect mitigation

Integrated computational elements with planar waveguide

Apparatus and methods of multiplexing transmissive optical sensors

Systems and methods for enhancing recovery of hydrocarbon deposits

Frequency based measurement of characteristics of a substance

Production logging multi-lateral wells

Analyzing subsurface material properties using a laser vibrometer

SYSTEM FOR NON-INVASIVE CONTROLLING OF UNDERGROUND STORAGES AND METHOD FOR DETECTING LEAKAGES IN UNDERGROUND STORAGES

Device for detecting change in underground medium

Integrated computational elements with laterally-distributed spectral filters

Production logging tool with multi-sensor array

High resolution downhole flaw detection using pattern matching

Measuring hydrocarbon content of a rock formation downhole using laser-induced vaporization and pyrolysis

Extending the life of a compromised umbilical

Implementation concepts and related methods for optical computing devices

Leak detection in circulated fluid systems for heating subsurface formations

Methods and systems for monitoring a subterranean formation and wellbore production

Methods and apparatus for wellbore evaluation

Pulsed-electric drilling systems and methods with formation evaluation and/or bit position tracking

In-situ calibration of tools

Pipeline constriction detection

Multichannel correlation analysis for displacement device

System and method for estimating oil formation volume factor downhole

Methods and Systems for Analyzing Flow

Method and system to quantify damage to gravel pack screens

Explosion-proof magnetic flux leakage inspection apparatus for well tubing

Optical and electrical sensing of a multiphase fluid

Systems and methods for measuring downhole fluid characteristics in drilling fluids

Wellbore systems with hydrocarbon leak detection apparatus and methods

System and method for analyzing cuttings using an opto-analytical device

System and method for measuring temperature using an opto-analytical device

Pulse width modulation of continuum sources for determination of chemical composition

Method and apparatus for measuring particle size distribution in drilling fluid

Hold-up tool with conformable sensors for highly-deviated or horizontal wells

Optical device and method for predicting and mitigating hydrate formation using an integrated computation

Subsea leak-detecting system

Multi-layer sensors for downhole inspection

Probe, sonde and method for producing signals indicative of local phase composition of a fluid

Real time measurement of mud logging gas analysis

Methods and apparatus to detect fluid distributions

Measuring behind casing hydraulic conductivity between reservoir layers

Method and apparatus for identifying fluid attributes

System and method to improve accuracy of galvanic tool measurements

Freeing pipe stuck in a subterranean well

Dielectric contrast agents and methods

System and method to measure or generate currentless electrical field downhole

Method and system for optical measurements of contained liquids having a free surface

Apparatus and method of using an inline electrical conductivity monitor

Evaluation of fluid-particle mixtures based on dielectric measurements

Single magnet fluid densitometer

Shielded antenna for a downhole logging tool

Method of Manufacturing a Logging Tool for a Borehole

Inflow control valve and device producing distinct acoustic signal

Asphaltene content of heavy oil

Fluid Flow Measurement Sensor, Method, and Analysis

System and method for quantifying uncertainty of predicted petroleum fluid properties

System and method for estimating oil formation volume factor downhole

Downhole salinity measurement

Methods and devices for optically determining a characteristic of a substance

In situ evaluation of unconventional natural gas reservoirs

Borehole log data processing methods

Downhole tool for determining flow velocity using measurements from a transducer and a plurality of electrodes

Devices and Methods for Electromagnetic Measurement of Axial Flow

Fluid determination in a well bore

In-situ detection and analysis of methane in coal bed methane formations with spectrometers

Use of nanotracers for imaging and/or monitoring fluid flow and improved oil recovery

Systems and methods of positive indication of actuation of a downhole tool

Optical well logging

Systems and methods for remote actuation of a downhole tool

Basalt fiber composite for antenna in well-logging

Downhole treatment monitoring systems and methods using ion selective fiber sensors

Systems and methods for measuring fluid additive concentrations for real time drilling fluid management

High precision locked laser operating at elevated temperatures

System and method for monitoring a subsea well

Systems and methods for enhancing recovery of hydrocarbon deposits

Multiple zone integrated intelligent well completion

Multiple zone integrated intelligent well completion

Multiphase flowmeter for subsea applications

Integrity monitoring of conduits

Rotating fluid measurement device and method

Method and apparatus to use multiple spectroscopic envelopes to determine components with greater accuracy and dynamic range

Logging cable

Integrated fiber optic monitoring system for a wellsite and method of using same

Optical data transformation

Methods and devices for optically determining a characteristic of a substance

Flow sensing apparatus and methods for use in oil and gas wells

System and method for wellbore monitoring

Downhole systems and methods for water source determination

Systems and methods for reservoir production management

Fluid density from downhole optical measurements

Multi-array laterolog tools and methods with differential voltage measurements

Shielded antenna for a downhole logging tool

Apparatus and methods for monitoring a core during coring operations

Method and apparatus for making resistivity measurements in a wellbore

Method of manufacturing a fluid flow measuring device

Spectroscopic nanosensor logging systems and methods

Methods for monitoring the formation and transport of an acidizing fluid using opticoanalytical devices

Apparatus and method for formation resistivity measurements in oil-based mud using a floating reference signal

Formation resistivity measurements using phase controlled currents

Compensated optical detection apparatus, systems, and methods

Fluid flow measuring device and method

Downhole optical radiometry tool

Scanning tool

Bubble logging tool

Systems and methods for detecting phases in multiphase borehole fluids

Water fraction measuring sensor and method having capacitance module

Maximizing hydrocarbon production while controlling phase behavior or precipitation of reservoir impairing liquids or solids

Logging cable

System and method for drilling using drilling fluids

Apparatus for determining the concentration of a conductive fluid present in a fluid filled borehole

System and method for monitoring integrity of a wellbore

System for kick detection during a drilling operation

Prescriptive reservoir asset management

Explosion-proof magnetic flux leakage inspection apparatus for well tubing