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Patent Searching and Data


Matches 1 - 50 out of 13,328

Document Document Title
WO/2019/036144A1
A method for determining a position of a geological feature in a formation includes acquiring a seismic dataset, wherein the seismic dataset is based on signals of one or more seismic sensors and determining a set of indicators of candid...  
WO/2019/034827A1
Disclosed is a method and associated computer program and apparatus for characterising changes within a subsurface volume between a first time and a second time. The method comprises obtaining first seismic data corresponding to the firs...  
WO/2019/036351A1
Disclosed and described herein are systems and methods used to analyze ultrasonic waves and nondestructively infer acoustic wave velocities and dynamic elastic properties of materials. Disclosed methods employ the selective rotation of u...  
WO/2019/034731A1
Techniques are disclosed relating to geophysical surveying. In various embodiments, a marine survey vessel may tow a plurality of streamers that each include a plurality of seismic sensors. Further, the survey vessel may tow a plurality ...  
WO/2019/034498A1
A method and apparatus are disclosed for reducing flow induced vibration in at least one subsea structure. The method comprises the steps of, via at least one subsea acoustic sensor (190), detecting at least one characteristic associated...  
WO/2019/036602A1
The present disclosure describes methods and systems, including computer-implemented methods, computer program products, and computer systems, for image-guided velocity interpolation using a mask cube. One computer-implemented method inc...  
WO/2019/036135A1
A method including: obtaining geophysical data for a subsurface region; generating, with a computer, at least two subsurface property models of the subsurface region for at least two subsurface properties by performing an inversion that ...  
WO/2019/035967A1
A method includes receiving seismic data for a geologic region of the Earth; building a velocity model of the geologic region of the Earth; selecting at least one mode of multiple and corresponding travel time data from a data storage wh...  
WO/2019/035858A1
A method includes receiving a training selection of a first set of faults located in a first subset of a seismic dataset for a subsurface geologic formation, detecting a second set of faults in the seismic dataset based on fault interpre...  
WO/2019/035725A1
A method (300) for determining a position of a drill bit (204) in a formation during drilling, comprising the steps of: a) For at least two wave modes (P,S), recording (310) a separate observed pattern of observations from a seismic arra...  
WO/2019/033183A1
A launching system (100) for an autonomous unit RAU carrying a logging tool for oil and gas well logging is described, said system comprising a main body 15 provided with first and second control valves 13,14 respectively and draining va...  
WO/2019/026791A1
The present disclosure provides a vibration-sensitive module. The vibration-sensitive module includes an acceleration sensor, a vibration power generation unit, and a module control unit. The acceleration sensor detects acceleration with...  
WO/2019/027449A1
Embodiments of the subject technology provide for predicting seismic impedance. The subject technology generates a corridor stack based on vertical seismic profile (VSP) data of a wellbore in a subterranean formation. The subject technol...  
WO/2019/026064A1
There are provided devices, systems and methods utilizing interferometric retro-reflection displacement/vibration meter. In particular, there are provided laser interferometer devices, systems and methods for measuring three-axis small a...  
WO/2019/027466A1
A method for processing vertical seismic profiling (VSP) data is provided. The method includes receiving VSP data in response to seismic energy applied to the formation, processing a down-going portion of the VSP data associated with a d...  
WO/2019/021869A1
This notification method (S110-S140), executed by a possessed device (1B) possessed and carried by a subject, serves to issue a notification indicating that the possessed device is located in a prescribed region (51, 52). In the method, ...  
WO/2019/020604A2
The device according to the invention consists of a support member (23) and at least one end element (24), both configured and arranged, relative to each other, such that they form a cavity of length (ΔL) axially limited by two walls, t...  
WO/2019/023480A1
A method for obtaining hydrocarbon from a reservoir in a subterranean formation is described. The method includes measuring a poromechanic pressure change due to lithostatic load sharing in the subterranean formation. Mapping the poromec...  
WO/2019/023457A1
A method for obtaining hydrocarbon from a reservoir in a subterranean formation is described. The method includes measuring a poromechanic pressure change due to lithostatic load sharing in the subterranean formation. Mapping the poromec...  
WO/2019/023363A1
A mechanical gun to gun delay for providing a desired time delay between the firing of a first gun and the firing of a second gun downhole without using a pyrotechnic fuse as the delay  
WO/2019/021176A1
A programmable device (D) arranged in a production environment, to assist an operator (O) in performing manual assembly operations carried out by the operator (O), particularly during assembly operations performed on pieces (P) transport...  
WO/2019/019565A1
A energy distribution characteristic based mine microseismic signal identification method, relating to the technical field of signal analysis and identification. The method comprises the following steps: reading a microseismic signal x(t...  
WO/2019/021247A1
A system, method and program product for stratigraphic layer identification using a stratigraphic knowledge base for machine learning. Reservoir data includes seismic data and well log data for a reservoir area. The well log data is proc...  
WO/2019/018100A1
A method and system for determining cement bonding. The method may comprise disposing an acoustic logging tool in a wellbore, wherein the acoustic logging tool comprises a transmitter and a receiver, broadcasting a shaped signal with the...  
WO/2019/013657A1
Method of spontaneous mining induced seismic events prediction based on continuous measurements of the rotational Rayleigh wave parameters within the frequency band from 0,05 Hz to 10 kHz and appropriate transforming them aiming for iden...  
WO/2019/013906A1
A method, including: obtaining, with a computer, an initial geophysical model; modeling, with a computer, a forward wavefield based on the initial geophysical model with wave equations including a second order z-derivative in a rotated c...  
WO/2019/013971A1
Production capability of cased hole perforations (P) in a cased completed well lined with a casing (22) in an under-pressured gas producing reservoir (26) is tested. A sonde (12) of a dipole shear or array sonic (full waveform) acoustic ...  
WO/2019/012301A1
The initiative concerns seismology and is specifically directed to earthquakes, involves engineering methods and the scientific knowledge of prior art in order to make a path used provide tool of WARNING, which constitutes the purpose of...  
WO/2019/013902A1
A system and method for deploying seismic data acquisition equipment from a moving vessel. The system and method utilize movable pulley systems to manipulate a string of data acquisition equipment such that a technician may attach the se...  
WO/2019/008538A1
A method is described for full waveform inversion using a tree-based Bayesian approach which automatically selects the model complexity, thereby reducing the computational cost. The method may be executed by a computer system.  
WO/2019/010253A1
A method includes receiving seismic data of a seismic survey; defining a two-dimensional domain in dimensions x and y; identifying a target trace (S, R) of the seismic survey where S represents a source at (xs, ys) and where R represents...  
WO/2019/005595A1
Methods, computing systems, and computer-readable media for interpreting seismic data, of which the method includes receiving seismic data representing a subterranean volume, and determining a feature-likelihood attribute of at least a p...  
WO/2019/005050A1
A system for processing DAS VSP surveys is provided. The system includes a DAS data collection system coupled to at least one optical fiber at least partially positioned within a wellbore and configured to either activate or passively li...  
WO/2019/005010A1
A modular downhole logging system includes a transmitter module having a local frequency, wherein the transmitter module transmits interrogation signals into a formation based on the local frequency. The downhole system also includes a r...  
WO/2019/003504A1
Provided is a feature with which it is possible to suppress the erroneous determination of an earthquake from noise and the erroneous output of an interrupt signal in a seismic sensor. A seismic sensor provided with: an earthquake determ...  
WO/2019/003505A1
Provided is a technique whereby erroneous determination of noise as an earthquake in a seismic sensor can be more reliably suppressed. A seismic sensor for operating in a power saving mode and a measurement mode having greater power cons...  
WO/2018/236639A1
Post-stack seismic data is received. Transformed seismic data is created from the received post-stack seismic data, including performing a super-resolution radon transform on the post-stack seismic data. Signal and noise regions are sepa...  
WO/2018/237305A1
Methods and apparatus for performing formation evaluation in a borehole intersecting an earth formation. Methods may include exciting at a first borehole depth at least one critical refraction wave by steering an acoustic beam transmitte...  
WO/2018/229469A1
The present invention describes A computer implemented method for generating a validated geological model from three-dimensional (3D) seismic data and legacy data, the method comprising the steps of (a) receiving said legacy data from a ...  
WO/2018/231594A1
Systems and methods for determining mechanical properties of anisotropic media are disclosed. A method for determining mechanical properties of an anisotropic media includes obtaining log data of the anisotropic media, the log data corre...  
WO/2018/230057A1
The present invention comprises a data center connected to a vibration-generating vehicle, a relay device connected to the data center, and a sensor connected to the relay device. The data center determines a dynamic range to set for the...  
WO/2018/231666A1
The present disclosure describes methods and systems, including computer-implemented methods, computer program products, and computer systems, for modeling angle domain common image gathers (ADCIG) from reverse time migration (RTM). One ...  
WO/2018/231234A1
A method for enhanced dispersion analysis begins with obtaining a plurality of measured waveforms, for example from two or more receivers of an acoustic logging tool placed in a borehole. The measured waveforms are divided into common ga...  
WO/2018/229260A1
Techniques are disclosed relating to geophysical surveying. In some embodiments, a marine survey vessel tows multiple sensor streamers in addition to vibratory sources deployed relative to the sensor streamers. In some embodiments, the v...  
WO/2018/229553A1
The invention relates to a method for generating an enhanced offset/azimuth distribution of acquired seismic data according to a pattern comprising two different acquisition systems, each acquisition system being defined by a set of para...  
WO/2018/231221A1
Geological stata can be modeled using weighted parameters. For example, geological data representative of strata in a subterranean formation can be received. A weight for a parameter usable to generate a geological model can be determine...  
WO/2018/223571A1
Disclosed are a monopole acoustic logging-while-drilling instrument used in cooperation with a bottom drilling tool assembly, and a method for measuring the shear wave velocity of slow formation by applying the monopole acoustic logging-...  
WO/2018/226541A1
A method for deblending seismic signals includes entering as input to a computer recorded signals comprising seismic energy from a plurality of actuations of one or more seismic energy sources. A model of deblended seismic data and a ble...  
WO/2018/224620A1
The probe (12) comprises: - a hollow casing (50) defining a closed inner compartment (52), the hollow casing (50) having at least an end (60) to be placed in contact with the ground; - at least a sensor (54A) received in the closed inner...  
WO/2018/227054A1
The present disclosure is directed to systems and methods to perform or facilitate operation of a seismic survey. The system can include a seismic data acquisition unit. The seismic data acquisition unit can include a cap free subsea con...  

Matches 1 - 50 out of 13,328