Songhua Chen

CHARACTERIZING EFFECTS OF CO2 CHEMICAL REACTION WITH ROCK MINERALS DURING CARBON CAPTURE AND SEQUESTRATION

INDUCTION LOOP CEMENTING PROGRESS DETECTION

CARBON SEQUESTRATION MONITORING BY MINERAL REACTION EXTENT MONITORING

INTEGRATING LABORATORY AND DOWNHOLE NUCLEAR MAGNETIC RESONANCE (NMR) MEASUREMENTS

Use Of Nuclear Magnetic Resonance For Gas Wettability And Supercritical Fluid Wettability Determination

Measuring formation properties and drilling mud properties using nuclear magnetic resonance in a wellbore

Core Data Augmentation Methods For Developing Data Driven Based Petrophysical Interpretation Models

Borehole Image Gap Filing Using Deep Learning

INDUCTION LOOP CEMENTING PROGRESS DETECTION

Noise elimination or reduction in drilling operation measurements using machine learning

Method of imaging using azimuthally resolved NMR while drilling

Multiple scale analysis of core sample to estimate surface roughness

Pore contribution corrected quantifying of surface roughness

Processing nuclear magnetic resonance signals in a downhole environment

Determining sub-surface formation wettability characteristics utilizing nuclear magnetic resonance and bulk fluid measurements

NMR antenna arrangement for fast moving NMR logging tool

Temperature correction of NMR relaxation time distributions

Reservoir formation characterization from NMR T1/T2 ratio

Method and system for extracting reservoir fluid sample

Automating microfacies analysis of petrographic images

Accounting for tool based effects in nuclear magnetic resonance logging data

Analyzing fluids in core samples contained in pressurized NMR core holders with 1H and 19F NMR

Interspersing different wait times in trainlet and partial recovery sequences

Detecting nuclear magnetic resonance logging tool motion

NMR data acquisition while switching NMR activation sets

Temperature correction of NMR relaxation time distributions

Unidirectional magnetization of nuclear magnetic resonance tools having soft magnetic core material

Downhole, real-time determination of relative permeability with nuclear magnetic resonance and formation testing measurements

Dual zone nuclear magnetic resonance sensing device for subterranean characterization

Method and system for extracting reservoir fluid sample

Microfluidic device and method for parallel pressure-volume-temperature analysis in reservoir simulations

RF flip angle adjustment in a downhole NMR tool

Downhole formation evaluation using nuclear magnetic resonance inversion matrix reduction

Device and method for parallel pressure-volume-temperature analysis using gas chromatography and mass spectrometry

Nuclear magnetic resonance sensing and fluid sampling device for subterranean characterization

Nuclear magnetic resonance sensing device for downhole measurements

Multiple depth of investigation nuclear magnetic resonance logging for determining the porosity and pore type of subterranean formations

Analyzing fluids in core samples contained in pressurized NMR core holders with 1H and 19F NMR

Nuclear magnetic resonance sensing device for downhole measurements

Pressurized NMR core analyzer

Viscosity determination apparatus, systems, and methods

Apparatus and method for determining earth fluid formation

Apparatus and method for obtaining T2 distribution

Combined NMR-resistivity measurement apparatus, systems, and methods

Selective NMR pulse for downhole measurements

Oil viscosity prediction

Determining the oleophilic to aqueous phase fluid ratio for drilling fluids

Logging-while-drilling tool with interleaved instruments

Predicting total organic carbon (TOC) using a radial basis function (RBF) model and nuclear magnetic resonance (NMR) data

Nuclear magnetic resonance sensors embedded in cement

Asphaltene Concentration Analysis Via NMR

Apparatus and method for processing and interpreting NMR logging data

Estimating Subterranean Fluid Viscosity Based on Nuclear Magnetic Resonance (NMR) Data

Methods and systems employing NMR-based prediction of pore throat size distributions

Tool casing detection

Modeling subterranean fluid viscosity

Modeling subterranean formation permeability

Nuclear magnetic resonance (NMR) interecho interval control methods and systems

Device and method for parallel microfluidic pressure-volume-temperature analysis

Downhole differentiation of light oil and oil-based filtrates by NMR with oleophilic nanoparticles

Apparatus and methods of data inversion

Hybrid saturation recovery-inversion recovery pulse sequence for improved NMR logging of boreholes

Downhole differentiation of light oil and oil-based filtrates by NMR with oleophilic nanoparticles

Azimuthally-selective downhole nuclear magnetic resonance (NMR) tool

Downhole nuclear magnetic resonance (NMR) tool with transversal-dipole antenna configuration

Nuclear magnetic resonance logging tool having multiple pad-mounted atomic magnetometers

Miniature NMR drill cutting analyzer and methods of use

NMR tracking of injected fluids

Method for correcting NMR and nuclear logs in formate mud filtrate invaded formations

Precision marking of subsurface locations

Multiphase meter to provide data for production management

Integrated radioactive source-free method and apparatus for porosity determination: NMR calibrated acoustic porosity

Predicting Downhole Formation Volumetric Sand Production Using Grain-Scale Rock Models

NMR flow metering using velocity selection and remote detection

Nuclear magnetic resonance 1H and 13C multiphase flow measurements, estimating phase selected flow rates from velocity distributions, volume fractions, and mean velocity

Formation evaluation capability from near-wellbore logging using relative permeability modifiers

Method and apparatus for predicting petrophysical properties from NMR data in carbonate rocks

NMR contrast logging

Method and apparatus to incorporate internal gradient and restricted diffusion in NMR inversion

In-situ heavy-oil reservoir evaluation with artificial temperature elevation

Data acquisition and processing for invasion profile and gas zone analysis with NMR dual or multiple interecho spacing time logs

Echo-decay-acceleration data acquisition method for gas identification using a low-field gradient

Method of discerning water from hydrocarbon fluids using downhole NMR instruments in petroleum reservoirs with formation brine

METHOD AND COMPUTER PROGRAM PRODUCT FOR ESTIMATING TRUE INTRINSIC RELAXATION TIME AND INTERNAL GRADIENT FROM MULTIGRADIENT NMR LOGGING

Determination of gas saturation radial profile from multi-frequency NMR data

Method of determining downhole formation grain size distribution using acoustic and NMR logging data

Methods for identification and quantification of multicomponent-fluid and estimating fluid gas/ oil ratio from NMR logs

Pore-scale geometric models for interpretation of downhole formation evaluation data

Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis

Method and computer program product for estimating true intrinsic relaxation time and internal gradient from multigradient NMR logging

Method and apparatus for characterizing heavy oil components in petroleum reservoirs

Method and apparatus for formation evaluation and borehole size determination

Method and apparatus for reservoir fluid characterization in nuclear magnetic resonance logging

Pore-scale geometric models for interpretation of downhole formation evaluation data

Pore-scale geometric models for interpretation of downhole formation evaluation data

Pore-scale geometric models for interpretation of downhole formation evaluation data

Objective oriented methods for NMR log acquisitions for estimating earth formation and fluid properties

Method of detecting, quantifying and correcting borehole contaminations from multi-frequency, multi-sensitive-volume NMR logging data

Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis

Time-domain data integration of multiple gradient, multiple TE echo trains