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Matches 1 - 50 out of 13,573

Document Document Title
WO/2019/199175A1
A method of evaluation of a formation (2) outside of a pipe (3) in a wellbore (1), wherein ultrasonic data gathered from within the pipe (3) is provided, the method comprising using the ultrasonic data to evaluate the formation (2) behin...  
WO/2019/200207A1
A method, apparatus, and program product utilize a disentangled factor learning framework to analyze petro-technical image data such as seismic image data to infer properties of a subsurface volume and/or to generate image data for use i...  
WO/2019/199173A1
A computer implemented method of determining a seismic wavefield in a region of a subsurface of the Earth by eliminating temporal dispersion from a finite difference, FD, wavefield generated from seismic wave propagation data. The method...  
WO/2019/200242A1
Cement in a wellbore is evaluated by using cement evaluation tools to obtain ultrasonic image information and flexural wave image information. Flexural wave imager waveforms are applied to a trained machine learning system that predicts ...  
WO/2019/199487A1
A method of enhancing seismic images includes receiving a seismic gather. The seismic gather includes a plurality of seismic traces. A feature trace is generated based on the plurality of seismic traces in the seismic gather. For each of...  
WO/2019/200370A1
A method, computer program product, and computing system are provided for receiving reservoir data associated with the reservoir. A simulation may be performed on the reservoir data to generate simulated reservoir data. A subset of reali...  
WO/2019/197815A1
A method for making a connection between an end of a first composite rod (10) and an end of a second composite rod (10) comprises removing material from an outer surface of the composite material surrounding optical fibre (11) adjacent a...  
WO/2019/195048A1
Systems and methods for refining estimated effects of parameters on amplitudes are disclosed. Exemplary implementations may: (a) obtain ranges of parameter values for individual parameters within a subsurface region of interest; (b) gene...  
WO/2019/195286A1
The present disclosure is directed to systems and methods of facilitating a seismic survey and locating seismic data acquisition units in a marine environment. The system can include a first seismic data acquisition unit. The first seism...  
WO/2019/192166A1
A method for estimating setting of seismic risk for performance-based seismic design. The estimating method considers the exceedance probability of a performance level, determines a structural performance level by setting an exceedance p...  
WO/2019/190643A1
Methods and systems for monitoring operation integrity during hydrocarbon production or fluid injection operations by receiving microseismic data; processing the microseismic data to obtain a plurality of data panels corresponding to mic...  
WO/2019/185793A1
A seismic marine vibrator (100) may comprises first plates (102) and second plates (104) arranged along a longitudinal axis (101), longitudinal and peripheral first (106) and second (108) elements respectively secured to the first (102) ...  
WO/2019/188157A1
The present invention comprises: a gas measurement unit (1) that measures gas; a gas shutoff valve (2) that cuts and supplies gas; a meter control unit (3) that controls the measurement and shutting off of gas; and a battery power supply...  
WO/2019/191382A1
Systems and methods that include receiving reservoir data of a hydrocarbon reservoir, receive an indication related to selection of a wavefield propagator, application of the wavefield propagator utilizing Fourier Finite Transforms and F...  
WO/2019/191368A1
A velocity model is generated based upon seismic waveforms via any seismic model building method, such as full waveform inversion or tomography. Data representative of a measurement of a physical attribute of an area surrounding a well i...  
WO/2019/186286A1
A method for calculating a velocity model for a subsurface of the earth. The method includes receiving (200) measured seismic data d; calculating (204) predicted seismic data p; selecting (206) a matching filter w that when applied to on...  
WO/2019/182736A1
A method and system for determining cement bonding, or other materials attached to a pipe string. A well measurement system for determining cement bonding or other materials attached to a pipe string may comprise an acoustic logging tool...  
WO/2019/183505A1
An automated storage and retrieval system for seismic nodes includes a modular housing having a first row of rack structures and a second row of rack structures. The system further includes a first receptacle configured to couple a senso...  
WO/2019/180669A1
A computer-implemented method is described for a manner of geologic analysis using time- lapse seismic data. The method includes steps of receiving a first seismic attribute volume inverted from a seismic dataset recorded at a first time...  
WO/2019/183412A1
Drilling systems and related methods are disclosed. A drilling systems may include a tool configured to be positioned at an end of a drill string adjacent a drill bit, and the tool may be configured to detect localized seismo-electromagn...  
WO/2019/182825A1
A method for determining the presence and bonding characteristics of elements which may include cement which may be bonded to a pipe string. The method for determining the presence and bonding may comprise disposing an acoustic logging t...  
WO/2019/181019A1
The present invention provides an obstacle detection technology with further improved reliability and safety while suppressing an increase in cost. The present invention is characterized by being provided with: a plurality of detection...  
WO/2019/182973A1
The present disclosure describes methods and systems, including computer-implemented methods, computer program products, and computer systems, for determining first-break (FB) points. One computer-implemented method includes: selecting, ...  
WO/2019/178937A1
The present invention provides a method for correcting a common middle point gather by using an offset formula to implement stack imaging, comprising: step 1: inputting seismic data; step 2: performing gather extraction on the seismic da...  
WO/2019/182564A1
A method of constructing an image of a sub-surface region of the Earth, the method comprising: a) providing a seismic velocity model C0(ϰ) of said region and a set of recorded seismic data for the region obtained at a plurality of recei...  
WO/2019/180529A1
One embodiment includes receiving seismic data from a plurality of seismic sensors located proximate to a build section of a wellbore that is drilled into a subsurface. The seismic data is recorded for a plurality of seismic waves, at di...  
WO/2019/182454A1
A system (100) for attaching devices of subsea equipment to a line (10) comprising a line holding mechanism (11,110) and a line holding unit (404). The line holding unit (404) comprises a 5 longitudinal slit (403) for receiving the line ...  
WO/2019/171199A1
Methods are described for separating the unknown contributions of two or more sources from a commonly acquired set of wavefield signals based on varying parameters at the firing time, location and/or depth of the individual sources in a ...  
WO/2019/172807A1
The invention relates to the field of geophysical monitoring and can be used for predicting a seismic hazard. Essence of the invention: siting monitoring points within a territory to be monitored, and recording and observing changes in t...  
WO/2019/171708A1
This vibration recording device comprises: an acceleration detection unit that periodically detects acceleration; a calculation unit that calculates vibration strength from the detection results obtained from the acceleration detection u...  
WO/2019/169932A1
A multi-wave oil and gas seismic response representation method based on a rough set theory and a Hue method. The method comprises: preferentially selecting attributes sensitive to a seismic reservoir response by combining a rough set th...  
WO/2019/168411A1
A method of correcting clock drift in at least one slave clock in a seismic node. The method comprises obtaining a number of clock drift measurements of the at least one slave clock in the at least one seismic node. A clock drift correct...  
WO/2019/168712A1
A rock sample is nano-indented from a surface of the rock sample to a specified depth less than a thickness of the rock sample. While nano-indenting, multiple depths from the surface to the specified depth and multiple loads applied to t...  
WO/2019/166856A1
A sensor device (1, 100) comprising a support plane (2) made of insulating material, a hollow casing (3, 31, 32) made of electrically conductive material, having an open end (3a, 31 a, 32a) and arranged resting against a first surface (2...  
WO/2019/147139A3
A cement evaluation tool (100) comprises a body (2); a plurality of moveable assemblies (labc) having multiple arms (4) configured to move between a retracted position where the arms (4) are within a housing (3) and an extended position ...  
WO/2019/162858A1
A method to generate an earthquake early warning in a geographical area using a plurality of detecting devices (2) distributed in a fixed manner in the geographical area and each having a triple axis accelerometer (14) and a wireless com...  
WO/2019/164606A1
The present disclosure generally relates to a computer-implemented method for determining intrinsic attenuation in a region of a subsurface. The method generally includes obtaining seismic data around the region of the subsurface; proces...  
WO/2019/162402A1
Inversion with exponentially encoded seismic data can include exponentially encoding acquired seismic data and associated synthetic seismic data, storing the exponentially encoded acquired seismic data and the exponentially encoded assoc...  
WO/2019/164405A1
A method of determining a firing sequence of a plurality of seismic sources for use in a seismic survey. The method comprises receiving a first low discrepancy sequence and a second low discrepancy sequence, and determining from said fir...  
WO/2019/161593A1
A monitoring and early warning method for electromagnetic radiation and underground sound of coal and rock dynamic disaster hazard, comprising the following steps: (1) calculating the weighted average P(t) of research parameters within a...  
WO/2019/164859A1
A compositional simulator that is fully compositional and more robust and accurate is disclosed. Relative permeability (kr) and capillary pressure (Pc) are modeled as state functions, making them unique for a given set of inputs, which c...  
WO/2019/160834A1
A method of identifying a type of plumbing system of a building is provided. The method includes determining a spectral energy ratio as a function of first pressure data acquired during a first time period in which a water flow through a...  
WO/2019/161194A1
A method for determining properties of rock formations using drill string vibration measurements includes entering into a processor signals corresponding to vibrations detected along a rotating part of a drill string while drilling a bor...  
WO/2019/156796A1
An energetic charge for propellant fracturing may include a propellant material or a shape of the energetic charge being selected such that a rise time of a deflagration of the energetic charge is determined to be in the propellant fract...  
WO/2019/157031A1
A method of characterizing a subterranean formation using a plurality of seismic acquisitions includes obtaining a first seismic acquisition of the subterranean formation, wherein the first seismic acquisition is a baseline survey. Injec...  
WO/2019/156586A1
The disclosure provides systems and methods to enhance pre-stack data for seismic data analysis by: sorting the reflection seismic data acquired from cross-spread gathers into sets of data sections; performing data enhancement on the ...  
WO/2019/157242A1
Example ultrasonic acoustic sensors for measuring formation velocities are disclosed herein. An example sensor includes a housing, a first transmitter carried by the housing, a second transmitter carried by the housing, and a receiver ar...  
WO/2019/157243A1
Example ultrasonic transducers for measuring formation velocities are disclosed herein. An example apparatus includes a housing and an acoustic transducer having a first surface and a second surface opposite the first surface. The acoust...  
WO/2019/152907A1
A method includes receiving seismic data related to a subterranean formation. The method also includes receiving a selection of a property of the subterranean formation that is permitted to vary during a simulation of a model of the subt...  
WO/2019/152896A1
Systems and methods of performing a seismic survey are described. The system can receive seismic data. The system receives seismic data from one or more seismic data sources. The system propagates the seismic data forward in time through...  

Matches 1 - 50 out of 13,573