METHODS FOR ELASTIC VECTOR REFLECTIVITY WAVEFORM INVERSION

ACOUSTIC PHASED ARRAY SYSTEM AND METHOD FOR DETERMINING WELL INTEGRITY IN MULTI-STRING CONFIGURATIONS

INTERNAL IMAGING AND MODEL CONSTRUCTION

FRACTURE CHARACTERIZATION WHILE DRILLING

MODELING ACOUSTIC IMPEDANCE OF A SUBTERRANEAN FORMATION

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

SPATIAL VARIATIONS OF PORE PRESSURE

SEISMIC INVERSION DOWNSCALING AND EXTRAPOLATION FOR GENERATION OF SEISMIC IMAGES

Systems and methods for isolation detection using a symmetry invariant log

Deep learning architecture for seismic post-stack inversion

ACOUSTIC PHASED ARRAY SYSTEM AND METHOD FOR DETERMINING WELL INTEGRITY IN MULTI-STRING CONFIGURATIONS

Downhole ultrasound image correction in oil based mud

Rock physics model for shale volume estimation in subsurface reservoirs

Seismic pore-pressure prediction using prestack seismic inversion

Methods and devices correlating well-logs to cuttings lithologies for synthetic core generation

Placing wells in a hydrocarbon field based on seismic attributes and quality indicators

Ultrasonic waveform processing using deconvolution in downhole environments

Computer-implemented method and system employing nonlinear direct prestack seismic inversion for poisson impedance

System and method for application of elastic property constraints to petro-elastic subsurface reservoir modeling

Look-ahead VSP workflow that uses a time and depth variant Q to reduce uncertainties in depth estimation ahead of a drilling bit

Apparatus of Automatic Resonance Frequency Matching for Downhole Application

Elastic full wavefield inversion with refined anisotropy and V/Vmodels

Downhole ultrasound image correction in oil based mud

Methods and systems for automated sonic imaging

Integrated method for estimation of seismic wavelets and synthesis of seismic records in depth domain

VIBRATION WHILE DRILLING ACQUISITION AND PROCESSING SYSTEM

Method for determining a property of a material behind a borehole casing

Prediction ahead of bit using vertical seismic profile data and global inversion

Evaluation of cased hole perforations in under-pressured gas sand reservoirs with stoneley wave logging

Wavelet estimation for four-dimensional characterization of subsurface properties based on dynamic simulation

Full wavefield inversion with reflected seismic data starting from a poor velocity model

Seismic constrained discrete fracture network

Method for estimating elastic parameters of subsoil

DEVICE AND METHOD FOR ESTIMATING PRE-STACK WAVELET MODEL FROM SEISMIC GATHERS

Formation density or acoustic impedance logging tool

Resonance-based inversion of acoustic impedance of annulus behind casing

System and method for mapping reservoir properties away from the wellbore

Well placement using closure stress based landing map

Multi-variable workflow for cement sheath evaluation and characterization

Method for elastic model perturbation estimation from reverse time migration

Creating a high resolution velocity model using seismic tomography and impedance inversion

Removal of fracture-induced anisotropy from converted-wave seismic amplitudes

Method and apparatus for acoustic impedance and P-wave anisotropy measurements

Three-dimensional prediction method based on geology-seismology for favorable metallogenic site of sandstone-type uranium deposit