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WO/2023/137372A1 |
A method includes receiving seismic data representing a subterranean volume, including a plurality of signals, obtaining a machine learning model trained to predict energy arrivals in the signals using seismic data that does not represen...
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WO/2023/136935A1 |
Systems and methods are provided for performing multidimensional deconvolution. An exemplary method includes: receiving, using at least one processor, a first data associated with waves propagating in a seismic structure; selecting, usin...
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WO/2023/134852A1 |
The invention relates to a pressure wave generator, and to a system and a method for generating a pressure wave, in particular for cleaning a container, e.g. a boiler or pipe. The pressure wave generator comprises a pressure chamber (11,...
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WO/2023/132900A1 |
A system can apply an unsupervised machine-learning model to ultrasonic waveform data received about a wellbore for identifying channels in the wellbore. A system can receive ultrasonic waveform data about a wellbore using an arrangement...
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WO/2023/126558A1 |
The present invention relates to a seismic detection system in a single device, said system comprising a first inner 3D polyhedral container (12), a triboelectric nanogenerator TENG sensor device (13) attached by a first outer surface (2...
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WO/2023/123844A1 |
An NB-IOT-based method and apparatus for wireless monitoring of rock mass fracture instability microseismic signals, relating to the technical field of geological hazard prevention and control. The monitoring method comprises: collecting...
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WO/2023/123972A1 |
Embodiments of the present invention disclose a coherent fading noise suppression method and a noise suppression apparatus for optical fiber sensing data. The method comprises: acquiring optical fiber sensing data before coherent fading ...
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WO/2023/124912A1 |
A prediction method for a carbonate rock sedimentary facies category, which belongs to the field of oil and gas exploration. The method comprises: obtaining a high-definition image of surface carbonate rock, phase-rotated three-dimension...
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WO/2023/129185A1 |
Some implementations relate to a method for parallelizing, by a geological data system, operations of a geostatistical simulation for a well data set via a plurality of processing elements (PEs). The method may include determining a rese...
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WO/2023/129757A1 |
In some embodiments, a method includes conveying a downhole tool in a tubing, positioned in a casing which forms an annulus between the casing and a wellbore formed in a subsurface formation, the downhole tool having a rotatable transmit...
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WO/2023/123971A1 |
A VSP-based level calibration method for a depth-domain seismic profile, comprising: obtaining vertical seismic wave field data of a depth domain (S10); determining first-arrival time information on the basis of the vertical seismic wave...
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WO/2023/123951A1 |
A method for improving a DAS signal-to-noise ratio by means of local FK transform. The method comprises: acquiring seismic wave field data (101); segmenting the seismic wave field data into a plurality of pieces of local data, wherein ea...
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WO/2023/124914A1 |
An earthquake physical simulation experiment apparatus, comprising a closed chamber (10) used for accommodating a reservoir model (2) and filling a fluid, an ultrasonic detection apparatus (3) used for detecting the reservoir model (2), ...
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WO/2023/130074A1 |
A method can include embedding a discontinuity as an object in a three- dimensional hexahedral grid that includes hexahedral cells and represents a geologic environment; cutting a number of the hexahedral cells by intersecting the object...
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WO/2023/129756A1 |
A model is used to generate corrections to mitigate ideal condition artifacts in acoustic property values of an annular material in a cased wellbore. A mathematical model that generates acoustic property values at ideal conditions introd...
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WO/2023/123952A1 |
A method for inverting a formation wave impedance using DAS well seismic data, comprising: acquiring an initial magnitude at a time window after the initial arrival time of seismic wavefield data in a well (101); mapping the initial magn...
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WO/2023/122175A1 |
Systems and methods for modeling dispersion curves are disclosed. The method includes obtaining an acoustic dataset along a well (20) that accesses a hydrocarbon reservoir (40). The method further includes determining a set of depth wind...
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WO/2023/121922A1 |
A neural network is utilized to improve the resolution of subsurface inversion. The neural network leverages posterior distribution of samples and adds high frequency components to the inversion by utilizing the data in both the time dom...
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WO/2023/121683A1 |
A method comprises conveying a downhole tool in a production tubing within a casing that is around a wall of a wellbore formed in a subsurface formation, wherein cement is placed in an annulus defined between the casing and the wall of t...
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WO/2023/115811A1 |
A method, apparatus and device for monitoring a multi-scale fracture of a hard rock by using multi-band acoustic signals, and a storage medium. The method comprises: collecting, in real time, acoustic signals of three bands, i.e. an acou...
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WO/2023/121654A1 |
System and methods for automated seismic processing are provided. Historical seismic project data associated with one or more historical seismic projects is obtained from a data store. The historical seismic project data is transformed i...
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WO/2023/117518A1 |
The invention relates to a method for assisting with guiding a surface vessel (10) for towing an underwater device, the method comprising: a) discretising the geographical sector (21) around the surface vessel (10) into a plurality of zo...
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WO/2023/111133A1 |
Aspects of the present disclosure include a rotational oscillation sensor, a method of detecting rotational oscillation of an object, and a rotational oscillation sensor unit. One embodiment of the rotational oscillation sensor may compr...
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WO/2023/111822A1 |
A method is described for seismic imaging including receiving a pre-stack seismic dataset and an earth model at one or more computer processors; performing least-squares reverse time migration of the pre-stack seismic dataset using the e...
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WO/2023/113610A1 |
Disclosed is a method of preparing a first combined digital signal to be transmitted along a wireline deployed in a well. The first combined digital signal is for controlling a wireline conveying system and a measurement tool. The method...
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WO/2023/113814A1 |
The disclosure presents processes to select cartographic reference system (CRS) recommendations from a CRS model where the CRS recommendations are matched to received seismic data. A learning mode can be used to build the CRS model where...
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WO/2023/111222A1 |
A method for detecting seismic events, the method comprising the steps of: a) acquiring acceleration data over a given period of time from one or more accelerometers located on a grid framework structure, said grid framework structure co...
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WO/2023/114364A1 |
Probability cube to probability cube enhancement for deep learning applications of artificial intelligence enhances the quality of predictions. A first probability cube having a plurality of predicted 2-dimensional slices having a first ...
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WO/2023/107754A1 |
A wellbore optical fiber measurement system for measuring data in a lateral wellbore that includes a flexible optical fiber. The optical fiber includes a waveguide coated with a coating, wherein the optical fiber has an effective density...
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WO/2023/107097A1 |
The disclosure presents processes to determine the direction and magnitude of tubing eccentricity along the length of a tube inserted within a borehole. The tubing can be a wireline, a drill string, a drill pipe, or tubing capable of all...
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WO/2023/106148A1 |
Provided is a seismic motion detection/prediction system that is capable of more quickly and highly accurately detecting P-waves and is capable of predicting the strength of S-waves on the basis of the detected P-waves. A P-wave detectio...
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WO/2023/107755A1 |
A system comprising a sensor device to perform measurements in a wellbore. The system may also include a wireless transmitter to transmit a signal representing the measurements to a wired transmission system. The wired transmission syste...
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WO/2023/107550A1 |
Some systems and methods for determining depths of subterranean formation layer tops while drilling through the subterranean formation include a drill bit, a drill rig, a microphone, a depth sensor, and a processor. While drilling the th...
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WO/2023/108119A1 |
Methods for enhancing borehole images that learning patterns from historical borehole recorded mode image logs for a given basin to enhance real-time borehole images, use style characteristics from one example borehole recorded mode imag...
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WO/2023/107136A1 |
A method comprising: conveying a downhole tool in a tubing that is positioned in a casing that is positioned to form an annulus between the casing and a wall of a wellbore formed in a subsurface formation, wherein a cement with unknown b...
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WO/2023/105284A1 |
The method comprises: - transforming an at least one common receiver gather in the time-offset domain to obtain a grid in a frequency-wavenumber domain; - calculating and applying a Doppler correction filter value at each point of the gr...
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WO/2023/103221A1 |
The present invention provides a full-wave-field seismic source apparatus based on a gas explosion technology, and a seismic source data acquisition method. The full-wave-field seismic source apparatus comprises: a cylindrical explosion-...
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WO/2023/107694A1 |
A method may include obtaining (500) various seismic traces (250) for a geological region of interest. The method may further include determining (510) an offset attribute (671, 672) and an azimuthal attribute (651). The method may furth...
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WO/2023/108064A1 |
Systems and methods for wireless deployment of electrical lower completions are provided. A wet disconnect tool – running tool includes a battery and telemetry section, and electronics and sensors section, and a pressure compensator an...
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WO/2023/101559A1 |
Methods for magnetic data acquisition in marine environment in parallel with towed streamer seismic data acquisition is provided. A method includes attaching at least one magnetometer/ magnetic sensor with a buoy and positioning the magn...
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WO/2023/100342A1 |
A tsunami learning device according to the technology of the present disclosure (tsunami learning device) comprises: an input unit (10) that acquires a training data set including marine radar observation data; and a convolutional neural...
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WO/2023/101696A1 |
A method and system for cement evaluation. The method may include disposing an acoustic logging tool into a pipe string that is disposed in a first casing of a wellbore, transmitting an acoustic wave at a first location within the wellbo...
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WO/2023/102041A1 |
A method implements property modeling using attentive neural processes. The method includes receiving sparse context input comprising a plurality of context locations corresponding to a plurality of geological property values for a geolo...
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WO/2023/102054A1 |
A system for estimating a rock property away from a well may include one or more hardware processors configured to access acquired three-dimensional (3D) seismic data that includes seismic traces (520) from a 3D seismic survey of an area...
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WO/2023/098441A1 |
A method and apparatus for inverting a crustal structure of a passive continental margin on the basis of subsidence in a stratigraphic record. The method comprises seven steps. In comparison with the prior art, without the need to additi...
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WO/2023/102380A1 |
A packed sensor line array system includes sensors mounted outboard of cable packs wrapped around a central mandrel. The system may have multiple rows (layers) of the sensors and cable packs, surrounded by a cannister. Cable retainers ma...
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WO/2023/100723A1 |
A detection device (10) comprises: a sensor unit (11) that emits electromagnetic waves or sound waves to an object (20) to be detected, and that receives electromagnetic waves or sound waves which have been reflected by the object (20); ...
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WO/2023/100312A1 |
The purpose of the present invention is to provide a snow cover amount estimation system and a snow cover amount estimation method which enable accurate, economical, and remote measurement of snow cover amount. A snow cover amount esti...
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WO/2023/101798A1 |
A system and method for detecting defects in a tubular structure installed in a wellbore extending into a subterranean formation. An input image of the tubular structure contains input data indicative of a characteristic of the tubular s...
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WO/2023/101691A1 |
A method is provided for automatically classifying grains, pores, or both of a formation sample. The method includes receiving a digital image representation of the formation sample, and identifying a plurality of pores, grains, or both ...
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