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WO/2024/102877A2 |
A method may include ocean bottom sensor (OBS) acquisition designed for complex earth model building and imaging with full waveform inversion (FWI) technology. Various combinations of OBS source and receiver patterns, as well as source d...
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WO/2024/102221A1 |
A geological projection system may receive seismic survey data, the seismic survey data including a seismic surface of a geological feature. A geological projection system may receive resistivity sensor data from a downhole resistivity s...
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WO/2024/098993A1 |
The present application relates to an ultra-deep seismic multiple determination method, an apparatus, and a computer device. The method comprises: according to seismic data of and velocity field information of a target work area, determi...
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WO/2024/081637A3 |
Application logs to be normalized may be grouped into (1) mutable logs to be changed through normalization, and (2) context logs that remain constant. Reference logs may be grouped into same types of logs. Multivariate linear transformat...
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WO/2024/098887A1 |
An integrated inversion method for key parameters of double sweet spots of shale oil, comprising: acquiring inversion formulas for key parameters of geological and engineering double sweet spots of shale oil, wherein the inversion formul...
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WO/2024/099041A1 |
A method for detecting an event of collision on an outer shell of a robotic device is provided. The method includes detecting acoustic waves by a plurality of transducers mounted inside or outside the outer shell; estimating, by a proces...
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WO/2024/099115A1 |
A method for creating a seismic geosteering profile, comprising: sequentially acquiring planar coordinate points of a vertical section and a build-up section of a horizontal well according to a drilling trajectory (101); on the basis of ...
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WO/2024/102724A1 |
A method for implementing a full waveform inversion (FWI) process using angle gathers includes; receiving observed seismic data associated with a subsurface region and captured by one or more seismic receivers, constructing based on the ...
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WO/2024/099615A1 |
A method and system for mapping a target region (60) of space with signal scatterers. The method involves moving a signal transmitter (26) and/or signal receiver (46) along a respective trajectory (34, 54) relative to the target region, ...
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WO/2024/100220A1 |
A method for predicting fault seal behaviour involves training a backpropagation-enabled process using a training data set of seismic data, well data, and training labels. The seismic data has at least three spatial dimensions and a seis...
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WO/2024/099422A1 |
The present invention belongs to the field of seismic wave data processing, and disclosed is a UNet-based seismic surface wave frequency dispersion quality rapid evaluation method, where: first, surface wave frequency dispersion data is ...
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WO/2024/102316A1 |
A system includes a tunneling device (102) including a body assembly (134) configured to move through an interior cavity of a tunnel. The system also includes a distributed communication and sensing system and a controller (116). The dis...
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WO/2024/099614A1 |
A method and system for mapping a target region (60) of space with signal scatterers. The method involves moving a signal transmitter (26) and/or signal receiver (46) along a respective trajectory (34, 54) relative to the target region, ...
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WO/2024/092310A1 |
A method for logging a borehole executed by at least one processor of a computing device. First measurement data of the borehole is received, wherein the first measurement data is generated by a measurement device operating in a first op...
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WO/2024/096888A1 |
A method and system for a fiber optic sensing (FOS) system. The system may include an interrogator that is marinized to be disposed on a sea floor, a fiber optic cable optically connected to the interrogator, and one or more downhole sen...
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WO/2024/094008A1 |
A flat panel detector and a synchronous detection method using same. The flat panel detector comprises: a receiver board body (101) fixedly mounted on a movable fixation member; an energy receiving module (102) for receiving energy of el...
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WO/2024/097672A1 |
In general, in one aspect, embodiments relate to a method that includes disposing a bottom hole assembly (BHA) into a wellbore at a depth, where the BHA includes at least one transmitter configured to transmit an acoustic waveform into a...
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WO/2024/097399A1 |
Embodiments presented provide for performing reservoir characterization through analysis of data. Data related to three-dimensional resistivity mapping is combined with three-dimensional sonic imaging and other wellbore images to enable ...
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WO/2024/098020A2 |
A method and apparatus for drilling micropiles, measuring parameters at the micropile drill site, and using the data to determine the anchoring capacity of the micropile installation site.
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WO/2024/091257A1 |
A method for tuning a distributed acoustic sensing (DAS) system. The method may include determining a signal strength from a first Raman Pump in the DAS system, sweeping a laser pulse output from a transmitter; wherein the sweeping is an...
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WO/2024/087800A1 |
The present invention relates to the technical field of petroleum exploration and well logging, and provides a conventional well logging data-based method for identifying high-frequency cyclic carbonate rock. The method comprises: determ...
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WO/2024/092089A1 |
Downhole tools for measuring properties of a fluid include a sample chamber configured to receive the fluid, a field responsive material ("FRM") arranged with an interface between the field responsive material and the fluid under test in...
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WO/2024/087002A1 |
Methods are disclosed. The method includes obtaining seismic data (200) for a geological region of interest (100), a velocity model (310), and an attenuation model (314). The seismic data (200) includes an amplitude (208) and a phase of ...
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WO/2024/087867A1 |
The present invention belongs to the technical field of tectonic fissures in oil exploration. Provided are a characterization method for the in-situ openability of a deep tectonic fissure, and a storage medium. The method comprises: sele...
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WO/2024/087003A1 |
A method that includes obtaining a first acoustic signal (602) and transforming the first acoustic signal into a first frequency spectrum using a frequency transformer, where the first frequency spectrum comprises a first plurality of fr...
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WO/2024/087827A1 |
A reservoir physical property parameter prediction method, relating to the technical field of petroleum exploration and development. The method comprises: acquiring labeled logging data, unlabeled seismic data, and seismic data to be pre...
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WO/2024/087126A1 |
A method for determining migration data using cross-spread gathers and parallel processing. The method may include obtaining various cross-spread gathers regarding a geological region of interest. The method may further include determini...
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WO/2024/089446A1 |
The present disclosure relates to a computer implemented method (10) for facies type classification in a reservoir geological formation, wherein the method comprises, for a considered portion among a plurality of portions composing the r...
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WO/2024/086447A1 |
In at least one embodiment, a well inspection method (600) and system (500) is disclosed. The method (600) includes transmitting (602) an acoustic signal from a well inspection tool into a casing structure, receiving (604) return signals...
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WO/2023/004182A9 |
Systems and methods for determining fiber optic facility (cable) location using distributed fiber optic sensing (DFOS) and sequence pattern matching of vibration excitation signals applied to a sensor fiber. The use of sequence pattern m...
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WO/2024/083634A1 |
A marine seismic survey comprises towing a first source and a first streamer spread having a length (L) behind a first vessel Sensors in the streamer spread record signals from the first source over a range of offset distances (X) to (X+...
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WO/2024/050564A9 |
Systems and methods for determining the orientation of the toolface of a rotating downhole tool using multiple sensors that measure different parameters related to the orientation of the toolface, where outputs of the different sensors a...
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WO/2024/082215A1 |
A seismic signal monitoring method and apparatus. The method comprises: for a plurality of collection moments, collecting a plurality of change images of a vibration response object, the collection moments being associated with the chang...
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WO/2024/085852A1 |
A method can include generating synthetic seismic data using a velocity model of a subsurface geologic environment; perturbing the velocity model of the subsurface geologic environment to generate a perturbed velocity model of the subsur...
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WO/2024/082000A1 |
Described herein is a method that allows building a model which captures the anisotropic permeability distribution from a stratigraphic forward model and structural framework, in a mesh which is suitable to run fluid flow simulations. Th...
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WO/2024/085887A1 |
A method and non-transitory storage computer-readable medium for performing a neural operator on one or more wellbore measurements. The method may comprise o obtaining one or more measurements, performing a measurement normalization on t...
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WO/2024/081508A1 |
A method includes receiving observed seismic data, determining an envelope or magnitude of the observed seismic data as a first observed value, generating a variable noise term based in part upon the first observed value, and utilizing t...
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WO/2024/078134A1 |
Disclosed in the present invention is an excavation tunnel full-waveform inversion method based on multi-parameter constraint and structure correction. The method comprises the following steps: step 1, constructing a full-waveform invers...
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WO/2024/080991A1 |
A method of generating a wellbore image is disclosed. The method receives trajectory data captured by a sensor(s) within a wellbore at a resource site. The trajectory data may include a plurality of boundary points of the wellbore in a f...
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WO/2024/079404A1 |
The invention relates to a method which comprises, in order to monitor the subsoil of the earth under a target zone comprising a traffic lane: placing (E1) at least one sensor in the target zone in the vicinity of the traffic lane, provi...
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WO/2024/079494A1 |
The present disclosure relates to a computer implemented method (10) for determining streamlines in a reservoir geological formation, based on a reservoir grid composed of cells, comprising: - (S101) front-propagating from a source cell ...
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WO/2024/080989A1 |
Exemplary methods and systems for minimizing noise during seismic modeling are disclosed. The exemplary methods include receiving seismic data associated with a resource site. The exemplary methods may further generate a model based on t...
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WO/2024/076351A1 |
Systems and methods of the present disclosure relate to signal attenuation for acoustic logging tools. An acoustic logging tool includes acoustic transducers. Each acoustic transducer includes a body, a piezoelectric element disposed on ...
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WO/2024/076912A1 |
Seismic data for a subsurface region is obtained. Individually, for each factor of multiple factors, a corresponding set of factor cubes specific to the factor is generated to obtain sets of factor cubes. Each factor cube includes cells ...
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WO/2024/074887A1 |
A cloud-based, time-limited, confidentiality-rated data management system for survey ancillary data associated with acquisition of seismic data during at least one seismic survey. The system includes a database module configured to store...
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WO/2024/068093A1 |
The invention relates to a platform (20) for detecting underwater vehicles (22) with an underwater antenna (24) and a signal processing unit (26). The underwater antenna (24) has a plurality of waterborne sound transducers, wherein the w...
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WO/2024/068082A1 |
The invention relates to an underwater vehicle (20) for detecting another underwater vehicle with a measuring head (40) and a deployment device (38). The measuring head (40) has a sensor (24), wherein the sensor is designed to detect a f...
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WO/2024/067835A1 |
Provided in the present disclosure are a gas-potential prediction method and apparatus based on dominant incident angle and frequency double-domain attenuation. In the method, an attenuation attribute is captured for a pre-stack gather w...
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WO/2024/068094A1 |
The invention relates to an underwater platform (20) for detecting underwater vehicles (22) comprising a magnetic anomaly detector (MAD) (24) and a signal processing unit. The MAD is designed to detect the earth's magnetic field and outp...
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WO/2024/072469A1 |
In some embodiments, a downhole logging tool configured for placement in a wellbore comprises a first magnet configured to activate a first volume of ferromagnetic fluid disposed between the downhole logging tool and the wellbore to achi...
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