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Patent Searching and Data


Matches 1 - 50 out of 13,420

Document Document Title
WO/2019/100068A1
Method for acquiring seismic data is described. The method includes obtaining undersampled seismic data acquired from a non-uniform sampling grid. Attenuating multiples from the undersampled seismic data.  
WO/2019/098988A1
Systems and methods of the present disclosure are directed to reservoir simulation modeling using upon rock compaction tables derived from physical pore compressibility tests. The illustrative methods transform rock mechanics-based pore ...  
WO/2019/099974A1
A method includes acquiring seismic data of a region that utilizes multiple seismic energy sources and seismic energy receivers where the seismic data include blended seismic data for a number of emissions from a corresponding number of ...  
WO/2019/099004A1
A method and system for automating a reservoir simulation. The method includes identifying a simulation parameter associated with a simulation resource to perform a computer-based reservoir simulation using reservoir data associated with...  
WO/2019/091134A1
A method for predicting water-rich levels of sandstone in a coal seam roof comprises the following steps: A. performing on-site sampling of sandstone at N sampling locations in an underground coal seam roof, and analyzing, at each of the...  
WO/2019/094362A1
The present disclosure describes methods and systems, including computer-implemented methods, computer program products, and computer systems for applying orthogonalization filtering to wavefield separation. One computer-implemented meth...  
WO/2019/094140A1
A system and a method for performing a borehole operation, wherein the system may comprise a coiled tubing string and a fiber optic cable disposed in the coiled tubing string and wherein the fiber optic cable is strain-coupled to the coi...  
WO/2019/088543A1
The present invention relates to a method for evaluating uncertainty of a reservoir by using deep learning, the method being capable of: extracting, through a deep learning technique, model features for numerous reservoir models generate...  
WO/2019/087011A1
Methods are described for separating residual shot noise and/or seismic interference in seismic data recordings from the recorded signal. The methods exploit systematic variations from shot point to shot point. These can for instance be ...  
WO/2019/082292A1
This internal structure grasping system has two kinds of sensors (a geophone sensor terminal (302) and a MEMS sensor terminal (310)) having different operating principles for receiving reflected waves due to vibration given to an inspect...  
WO/2019/084126A1
A method is provided for identifying and characterizing structures of interest in a formation traversed by a wellbore, which involves obtaining waveform data associated with received acoustic signals as a function of measured depth in th...  
WO/2019/081990A1
A method is described for a manner of geologic analysis using time-lapse seismic data. The method includes steps to produce improved amplitude versus angle (AVA) information that may be used for analysis of geologic features of interest ...  
WO/2019/079600A1
According to an embodiment, there is provided a geophone assembly in which the support plate has a plurality of downwardly extending extensions that improve ground coupling. In some embodiments, the extensions might take the form of bolt...  
WO/2019/079773A1
A method for optimizing performance of a drilling process by an automated control system for drilling, comprising obtaining a measure of performance for each drilling activity of a set of drilling activities for the drilling process; cal...  
WO/2019/073050A1
Techniques are disclosed relating to performing marine surveys with non-uniform spacing of survey elements in a cross-line direction. This may include, for example, performing a survey pass in a multi-pass survey by towing a plurality of...  
WO/2019/071340A1
Downhole tools and method for a well. At least some of the example embodiments are methods of imaging a formation around a first borehole, including: focusing first outbound acoustic energy, launched from a tool with the first borehole, ...  
WO/2019/071304A1
A system (10) for wireless measurement of detonation of explosives (3) for detonation according to a timed sequence, the system comprising: an antenna (15, 16) for detecting electromagnetic emissions caused by detonation of the explosive...  
WO/2019/071504A1
A two-point ray tracing based seismic travel time tomography inversion method, comprising the steps of: acquiring seismic data (S1); establishing an initial one-dimensional continuous layered model in which the speed in a layer can conti...  
WO/2019/071515A1
The present solution is applicable to the technical field of geological exploration and provides a surface wave detection method and a terminal device. Said method comprises: acquiring vibration data collected by means of a vibration col...  
WO/2019/074374A1
A downhole device (8; 9) for installation in a petroleum well (1), comprising a sensor (11), a controller (12) and a power source (15). The device (8; 9) further comprises an acoustic speaker(13) configured tooutputa sound signal from th...  
WO/2018/156354A9
The present disclosure describes methods and systems, including computer-implemented methods, computer program products, and computer systems, for generating geophysical images. One computer-implemented method includes receiving a set of...  
WO/2019/070238A1
A fracture network mapping system can include a sensor, a repeater, an acoustic signal generator, and a distributed acoustic sensing system. The sensor and the repeater can be positioned in a fracture of a well. The acoustic signal gener...  
WO/2019/071004A1
Embodiments included herein are directed towards a marine seismic streamer. The seismic streamer may include an outer skin formed in a longitudinally extending tubular shape, an inner surface of the outer skin defining an internal volume...  
WO/2019/066654A1
A marine survey system and method for ultrahigh resolution (UHR) mapping of a marine bottom (B) below a body of water (W) by means of a frame (20) towed as a whole by one or more towing cables (12) at a distance (Xf) behind a marine vess...  
WO/2019/067777A1
A method of operating a wellbore using a plurality of acoustic emission transducers. The method comprises deploying acoustic emission transducers in association with at least one of a member of a drill string, a bottomhole assembly, and ...  
WO/2019/062655A1
A method for determining a thin interlayer comprises: obtaining logging data, core analysis data, seismic pre-stack trace data, seismic superposition offset data, and seismic interpretation horizon data of a target area (S11); determinin...  
WO/2019/067213A1
Systems and methods for estimating reservoir productivity as a function of depth in a subsurface volume of interest are disclosed. Exemplary implementations may: obtain subsurface data and well data corresponding to a subsurface volume o...  
WO/2019/067614A1
A method and apparatus for subsurface data processing includes determining a set of clusters based at least in part on measurement vectors associated with different depths or times in subsurface data, defining clusters in a subsurface da...  
WO/2019/067212A1
Exemplary implementations may: obtain subsurface data and well data of the subsurface volume of interest; obtain a parameter model; obtain a spatial correlation model; use the subsurface data and the well data to generate multiple produc...  
WO/2019/060825A1
A combining mechanism and method for borehole logging tool data that uses density data from a logging tool to inform the geometry of an acoustic-based or ultrasound-based data inversion is provided, comprising: at least one mechanism for...  
WO/2019/058294A1
A method is described for full waveform inversion using a b-spline projection that produces an earth model that can be used for seismic imaging. The method may be executed by a computer system.  
WO/2019/060220A1
A method for seismic imaging includes receiving a multi-shot seismic data set that was collected using one or more streamers having recorders configured to detect seismic waves that propagate through a subterranean domain. The method als...  
WO/2019/060806A1
Seismic data of a subterranean region is received by data processing apparatus. The seismic data includes multiple seismic data points. For each seismic data point, gradients are computed based on the received seismic data and a dip angl...  
WO/2019/059799A1
A seismic sensor includes an outer housing having a central axis, an upper end, a lower end, and an inner cavity. In addition, the seismic sensor includes a proof mass moveably disposed in the inner cavity of the outer housing. The ou...  
WO/2019/059798A1
A seismic sensor for a seismic survey includes an outer housing having a central axis, a first end, and a second end opposite the first end. The first end comprises a portion made of a clear material configured to transmit light havin...  
WO/2018/063195A8
Systems and methods for electromagnetic reservoir monitoring with earth modeling. An electromagnetic (EM) monitoring system for a subterranean earth formation comprises a receiver locatable in a wellbore and responsive to EM radiation pr...  
WO/2019/060808A1
A combining mechanism for borehole logging tool data that employs modality merging to combine the output data of various borehole logging tools to provide a combined result and automated interpretation is provided, said mechanism compris...  
WO/2019/058296A1
A method is described for seismic imaging including determination of reservoir stresses. The method may include the use of elastic full waveform inversion (FWI), 3rd-order elasticity, and finite-difference strain calculations. The method...  
WO/2019/060249A1
A seismic monitoring system includes a plurality of seismic monitors and a processing device operatively coupled to the plurality of seismic monitors. The processing device receives recordings of waveforms of motion detected at the plura...  
WO/2019/053484A1
The invention notably relates to a computer-implemented method for processing a 4D seismic signal relative to a subsoil, the subsoil including a zone subject to extraction and/or injection, the method comprising: providing the 4D seismic...  
WO/2019/055565A1
A method can include receiving seismic image data; processing the received seismic image data to generate stratigraphic information using a trained convolution neural network that includes channels subjected to convolution, activation an...  
WO/2019/055562A1
A method can include receiving seismic image data of a geologic region and interpretation information of the seismic image data for a geologic feature in the geologic region, where the seismic image data include a geologic feature class ...  
WO/2019/049263A1
The main purpose of the present invention is to easily provide a conversion program for a simple profiling method and a conversion method for a simple profiling method, which have high accuracy. The conversion program for a simple profil...  
WO/2019/051151A1
The present disclosure describes methods and systems, including computer-implemented methods, computer program products, and computer systems, for removing false image in reverse time migration (RTM). One computer-implemented method incl...  
WO/2018/125167A9
A method and system for processing a slowness profile. A method may comprise disposing a geophone array into a borehole, positioning the geophone array at a first location within the borehole; discharging a seismic source; positioning th...  
WO/2019/043452A1
A method for correcting physical positions of seismic sensors and/or seismic sources for a seismic data acquisition system. The method includes estimating (1200) a respective energy generated by each source element, which belongs to a so...  
WO/2019/037875A1
Mobile device (1, 7, 9, 11) having a sensor which is accommodated in a housing (2), is in the form of a strain and/or bending sensor (3) and, together with a seismic mass, forms an acceleration sensor for detecting structure-borne sound ...  
WO/2019/040288A1
A method to automatically interpret a subsurface feature within geophysical data, the method including: storing, in a computer memory, geophysical data obtained from a survey of a subsurface region; and extracting, with a computer, a fea...  
WO/2019/038726A1
A method is described for image-domain full waveform inversion. The method may include receiving, at a computer processor, a seismic dataset representative of the subsurface volume of interest and an initial earth model; performing, via ...  
WO/2019/040064A1
The subject technology relates to synthetic aperture to image leaks and sound sources. Other methods and systems are also disclosed. The subject technology includes drilling a wellbore penetrating a subterranean formation. The subject te...  

Matches 1 - 50 out of 13,420