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Patent Searching and Data


Matches 1 - 50 out of 13,133

Document Document Title
WO/2018/164680A1
Strata surfaces can be identified in well logs and correlated across the well logs taking into account manual corrections. For example, a computing device can receive well logs. The computing device can determine multiple stratum-surface...  
WO/2018/165114A1
Seismic survey data is received, indexed into index sets, and each index set partitioned into data blocks. For each particular data block of a particular index set, the particular data block is sliced into frequency slices. For each part...  
WO/2018/165424A1
An apparatus for performing a seismic survey includes a data unit disposed in a housing, a flexible tether connected to the housing at a first end and having a second end, the tether including at least signal carrying wire and a tension ...  
WO/2018/158378A1
The present invention is in the field of seismic imaging of underground structures. The invention is a method for solving the uncertainty and instability generated in reservoir geometries due to salt bodies which causes the presence of a...  
WO/2018/160459A1
A system, apparatus, and method for transferring a subsea payload (such as seismic nodes) at a subsea position by using an elevator system located on a subsea basket. A plurality of seismic nodes may be located on a plurality of support ...  
WO/2018/160923A1
Embodiments included herein are directed towards a seismic spread system that may use a MEMS oscillator as a timing reference. The system may include a plurality of nodal seismic sensor units. The system may also include a plurality of M...  
WO/2018/154037A1
Alternating current (AC) coupled accelerometer calibration can include acquiring calibrated data from a direct current (DC) coupled accelerometer of a towed object and interpolating the acquired calibrated data to a location of an AC cou...  
WO/2018/156354A1
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/2018/156636A1
Various embodiments herein relate to systems and methods for detecting seismic events. Systems may include inertial sensors distributed on or in communication with a network of optically switchable windows in the building. In some system...  
WO/2018/157104A1
A method of reducing surface-scattered noise includes receiving seismic data associated with a marine region, where the marine region includes an ocean bottom, a first zone including water above the ocean bottom, and a second zone includ...  
WO/2018/152612A1
The present invention is essentially a portable seismic survey device and method using reflection seismology for mapping subterranean formations. The device includes an upper assembly, a firing pin operably associated with a firing pin a...  
WO/2018/156132A1
A backscattered signal can be received from a sensing fiber that extends into a wellbore. The backscattered signal can have been generated based on an optical signal launched into the sensing fiber. A first delayed signal, a second delay...  
WO/2018/151955A1
This disclosure describes a novel method for predicting or estimating rock mechanical properties from cuttings at a particular depth based on determining the facies, plotting the facies on a ternary diagram with clay, silica and carbonat...  
WO/2018/151723A1
A method of evaluating subsea geodetic data, the method includes providing at least one tiltmeter station along a subsea surface. The tiltmeter stations are positioned at a plurality of surface locations. Subsea geodetic data is obtained...  
WO/2018/145487A1
A method for measuring the velocity of sound waves in seawater. The velocity of sound waves in seawater is obtained after direct calculation is performed by utilizing marine seismic exploration data acquired by horizontal cables or incli...  
WO/2018/147756A1
A method of repeat hydraulic fracturing in a horizontal well can comprise: creating a geometric model for assessing the level of stress in a formation; determining zones with high, medium and low levels of stress in the formation surroun...  
WO/2018/148492A1
A method can include selecting a type of geophysical data; selecting a type of algorithm; generating synthetic geophysical data based at least in part on the algorithm; training a deep learning framework based at least in part on the syn...  
WO/2018/145011A1
Systems and methods for deploying seismic autonomous underwater vehicles (AUVs) to the seabed by using a variety of guidance systems and/or positioning/communication protocols based on a particular AUVs location. A combination of a USBL ...  
WO/2018/143820A1
A method for conducting a seismic survey for collecting seismic data off shore. It comprises a first seismic survey providing a first set of data for an area using individual seismic sub-source arrays (2). It further comprises a second s...  
WO/2018/142996A1
This seismic device is provided with: an acceleration sensor (10) which successively outputs an acceleration value corresponding to the magnitude of an acceleration of an applied vibration; an earthquake determining unit (11) which ident...  
WO/2018/145012A1
Seismic autonomous underwater vehicles (AUVs) for recording seismic signals on the seabed. The AUV may be negatively buoyant and comprise an external body (which may be formed of multiple housings) that substantially encloses a plurality...  
WO/2018/143572A2
In order to measure multiple facilities, when measurement optical signals for the multiple facilities are received, a facility measurement system extracts physical quantities included in the measurement optical signals. Facility state in...  
WO/2018/140783A1
Received shot gathers are sorted to a common receiver gather. A target three-dimensional (3D) amplitude spectrum of seismic wavefield direct arrivals is computed from synthetic data. A 3D amplitude spectrum of seismic wavefield direct ar...  
WO/2018/139980A1
The invention is an earthquake management system which gives warning for a certain period of time before the earthquake occurs. The antenna (2) for detecting the electromagnetic disturbance occurring in the airwaves in the air and measur...  
WO/2018/137747A1
A method for estimating total organic carbon (COT) characterizing a bedrock in an unconventional reservoir using logging recordings at the well, the total porosity (ϕt), the velocity of the longitudinal wave (Vp) and transverse waves (V...  
WO/2018/138452A1
Method of seismic noise analysis comprising the following steps: A) during each period from among at least two different periods, at least two seismic noise signals are acquired; B) a reconstructed signal is calculated by intercorrelatio...  
WO/2018/136448A1
A system, computer-readable medium, and method for determining a potential drilling location, of which the method includes obtaining data representing a subterranean domain. The data includes at least seismic data. The method also includ...  
WO/2018/136052A1
Screen-outs can be detected from acoustical signals in a wellbore. Data based on an acoustic signal generated during a hydraulic fracturing operation in a wellbore formed through a subterranean formation can be received. An expected tota...  
WO/2018/136056A1
Various embodiments include apparatus and methods implemented to take into consideration gauge length in optical measurements. In an embodiment, systems and methods are implemented to interrogate an optical fiber disposed in a wellbore, ...  
WO/2018/132704A1
Systems and methods of performing a seismic survey are described. The system can receive seismic data in a first domain, and transform the seismic data into a tau-p domain. The system can identify a value on an envelope in the tau-p doma...  
WO/2018/130272A1
A method for fast determination of the location of a hypocenter of an acoustic emission event for a Vertical or Tilted Transverse Isotropic formation, each having a symmetry axis, by means of at least three receivers comprising spreading...  
WO/2018/130915A1
Methods are described for separating the unknown contributions of one or more sources from a commonly acquired set of wavefield signals using analytic properties of complex and hypercomplex representations. In particular, the methods are...  
WO/2018/132786A1
A system and method for predicting well production at various stages in the life cycle of the well utilizes data received from a plurality of databases via one or more database interfaces to generate various attributes that can be used t...  
WO/2018/132687A1
A method for performing a physical operation on a geologic formation includes: receiving image data of the formation obtained by an imaging tool disposed in a borehole penetrating the formation, the image data having images of fractures ...  
WO/2018/129844A1
A seismic diffracted wave separation method and device, relating to the technical field of exploration seismology. The method comprises: obtaining seismic shot gather data carrying underground geological information in a preset geologica...  
WO/2018/132095A1
A fault indicator calculator, a method for determining a fault indicator, and a fault indicator calculating system are disclosed herein. One embodiment of a fault indicator calculator includes: 1) an interface configured to receive seism...  
WO/2018/127602A1
A method and system for determining at least one event-parameter of at least one object comprising the steps of detecting the at least one object by at least one distributed acoustic sensor;receiving at least one signal from the least on...  
WO/2018/127573A1
A notional source signature of a bubble may be determined. For example, a method for determining a notional source signature of a bubble can include estimating a position of a bubble created by actuation of an impulsive marine source bel...  
WO/2018/125205A1
A method of characterizing a subterranean geologic formation's response to hydraulic fracturing is presented. The method includes acquiring data representing a plurality of seismic events caused by hydraulic fracturing of the subterranea...  
WO/2018/125509A1
A method evaluating borehole subsurface geologies can include receiving a total response signal by a sensor array disposed in a borehole, the response signal represents a pressure wave propagating in the borehole. A secondary signal can ...  
WO/2018/125167A1
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/2018/125114A1
A method includes introducing a tool string into a wellbore having material disposed in an annular region surrounding the casing. Obtaining acoustic refracted waveform measurements of the material from a cement bond logging tool, obtaini...  
WO/2018/125058A1
A method and system for producing a Quasi-Static Stoneley Slowness log. The method for producing a Quasi-Static Stoneley Slowness log may comprise recording a pressure wave at a receiver; determining a slowness-frequency range with an in...  
WO/2018/120525A1
Disclosed are a seismic source, and a seismic source apparatus and a driving device thereof. The seismic source comprises a base, a mounting plate, a first spring, a coil, a magnet, a magnetic alloy, and a weight block. The first spring ...  
WO/2018/117999A1
Combined wireline and wireless apparatus and related methods are disclosed herein. An example apparatus includes a tool string including a tool bus and a first acoustic repeater coupled to the tool string. The first acoustic repeater is ...  
WO/2018/112560A1
A method (60) of determining core orientation of a core sample (12) cut from the ground by a drill rig (10) having a drill string and a drill bit (20) coupled to a downhole end of the drill string. Drilling data (Cn, Rn) is continuously ...  
WO/2018/119005A1
Computer systems and methods are provided for time domain reconstructed seismic wavefield imaging. The original source signal or extended source can be forward propagated based on a model of a subsurface region, in order to generate a re...  
WO/2018/118064A1
A method for processing distributed acoustic sensing (DAS) vertical seismic profiling (VSP) data is provided. The method includes operations to receive DAS data associated with an optical fiber's response to seismic energy applied by thr...  
WO/2018/116226A1
Transducer structure (1; 21; 31; 41 ) for converting a deformation along an axis into a corresponding deformation on a plane orthogonal to the axis itself, comprising: two end plates (2, 3) facing each other and aligned along a common re...  
WO/2018/108222A1
A spreading device, such as a trawl door (1), comprising frames (2, 3) defining a top and a bottom edge of the door (1) and a middle frame (4) positioned between the frames (2, 3) thereby establishing an upper and lower section; lower pr...  

Matches 1 - 50 out of 13,133