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8611184 Method for estimating absorption parameter Q(T)  
A method and apparatus for a method for generating an estimated value of absorption parameter Q(t). In one embodiment, the method includes receiving an input seismic trace, applying a time variant...
8612158 Seismic interference noise elimination  
An automatic and robust method to attenuate seismic interference noises in marine seismic survey using multi-dimensional filters in Tau-P domain to identify and isolate seismic interference noises...
8605544 Hybrid seismic sensor network  
A system for monitoring seismicity during fluid injection at or near a hydrocarbon reservoir comprising: a first set of seismic sensors for deployment at a site for collecting seismic data; a...
8599643 Joint structural dip removal  
A method for structural dip removal. The method includes converting a seismic volume to a depth domain, extracting seismic dips from the seismic volume in the depth domain along a borehole...
8599644 Velocity models for a single well and for a set of wells  
Systems and methods create velocity models for a single well or for a set of wells. In one implementation, a system optimizes a time-depth relationship applied to data points from a single well to...
8576662 Interpolation and/or extrapolation of seismic data  
A method of processing seismic data is provided in the seismic data is acquired at a plurality of locations and the method comprises interpolating and/or extrapolating the seismic data, thereby to...
8570831 Wavefield extrapolation modeling for internal multiple prediction  
Methods for attenuating multiple reflections in seismic data by predicting the multiples using wavefield extrapolation modeling, which uses one-way wavefield propagation in both the up and down...
8559270 Method for separating independent simultaneous sources  
This is a method of separating simultaneous sources that uses an inversion-type approach. Each source will preferably activated at a random time with respect to the others. These random delays...
8553496 Seismic source separation  
Seismic acquisition systems are disclosed that allow contemporaneous seismic sources to be separated from a composite signal comprising two or more constituent seismic sources. In some...
8553499 Migration-based illumination determination for AVA risk assessment  
According to a preferred aspect of the instant invention, there is provided herein a system and method for extending zero-offset or stacked wave-equation illumination analysis into the...
8553498 Q tomography method  
Method for reconstructing subsurface Q models (110) from seismic data (10) by performing ray-based (60), centroid frequency shift (50) Q tomography. The seismic source waveform's amplitude...
8547788 Methods for making acoustic anisotropy logging while drilling measurements  
A method for determining an acoustic anisotropy of a subterranean formation includes measuring acoustic wave slownesses at three or more toolface angles while rotating a logging while drilling...
8542554 Method for velocity model building and analysis  
Method for velocity model building and analysis using wavefield-coordinates reflection operators in wave-equation migration or reverse-time migration.
8509027 Continuous adaptive surface wave analysis for three-dimensional seismic data  
A technique includes receiving seismic data acquired in a survey of a region, the region being associated with locations; processing the seismic data to estimate at least one frequency dependent...
8498177 Determining a position of a geological layer relative to a wavelet response in seismic data  
Determining geological layer location in a subterranean formation, including receiving seismic data representing an interaction of the geological layer with propagation of a seismic wave,...
8483009 Characterizing spatial variability of surface waves in seismic processing  
Embodiments use seismic processing methods that account for the spatial variability of surface wave velocities. Embodiments analyze surface wave properties by rapidly characterizing spatial...
8483964 Estimating reservoir properties from 4D seismic data  
Method for deriving a reservoir property change data volume from time shifts used to time-align 4D seismic survey data (31). The time alignment is performed on at least one angle stack of 4D data...
8467267 Asynchronous operation of seismic sources in a seismic survey  
Seismic systems and methods are provided to collect variable seismic data, for coordinating source energy and receiver data as well as using both to obtain high resolution seismic data.
8451687 Imaging with vector measurements  
A technique includes receiving seismic data, which are indicative of pressure measurements and pressure gradient measurements acquired in a seismic survey of at least one subterranean formation....
8451684 Surface wave mitigation in spatially inhomogeneous media  
Embodiments are directed to systems and methods (200, 300) that enable spatial variability of surface waves to be accounted for in dispersion correction in seismic data processing. This yields...
8451685 Time reverse reservoir localization  
A method and system for processing synchronous array seismic data includes acquiring synchronous passive seismic data from a plurality of sensors to obtain synchronized array measurements. A...
8451683 Method for determining the fluid/pressure distribution of hydrocarbon reservoirs from 4D seismic data  
A method including analyzing seismic data relating to a producing hydrocarbon reservoir is disclosed. The seismic data includes first and second sets of seismic data obtained at different times....
8441890 Removing ground-roll from geophysical data using source-receiver interferometry  
A method for processing geophysical data. The method includes applying a first interferometry on an estimate of a direct ground roll between a receiver location and one or more boundary source...
8441891 Seismic data acquisition and processing quality control  
The present invention relates to producing a quality control measure for use during data acquisition and/or data processing of, preferably, seismic data. While or after obtaining the data, a...
8427902 Method for monitoring a subsoil zone, particularly during simulated fracturing operations  
A method and device for monitoring a subsoil zone, wherein a plurality of receivers are arranged on a surface of the soil or near said surface, straight above a geological zone to be monitored,...
8427903 Method for monitoring a subsoil zone using a plurality of correlated traces, particularly during simulated fracturing operations  
The invention relates to a method for monitoring a subsoil zone, wherein a plurality of receivers are arranged on a surface of the soil or near said surface, straight above a geological zone to be...
8422335 Apparatus and method for imaging subsurface structure of target area by using waveform inversion  
Provided are an apparatus and method for imaging the subsurface structure of a target area by using waveform inversion. In the apparatus and method, the subsurface structure of a target area is...
8407007 Anisotropic depth velocity model estimation above the receiver array in walkaway or 3D VSP data  
A walkaway VSP survey is carried out using a receiver array. Using a vertical VSP survey and arrival times of surface multiples on the walkaway VSP, vertical interval velocities and the anisotropy...
8395966 Separating seismic signals produced by interfering seismic sources  
A technique includes obtaining seismic data acquired by seismic sensors of a composite seismic signal that is produced by the firings of multiple seismic sources. The technique includes modeling...
8392108 Apparatus and method for allocating a current measurement value for a geographical position to a map object  
An apparatus for allocating a current measurement value for a geographical position to a map object of a geographical map, wherein the current measurement value originates from a series of...
8391103 Method for accentuating specular and non-specular seismic events from within shallow subsurface rock formations  
A method for evaluating subsurface formations includes deploying at least two intersecting seismic transducer lines above an area of the subsurface to be surveyed. Each line includes spaced apart...
8369183 Analysis of fracture networks  
A method of analysing the dynamic behavior of fracture networks in a seismic volume is provided. The method includes providing a plurality of seismic time lapse vintages of the same geological...
8360144 Method for geophysical and stratigraphic interpretation using waveform anomalies  
A new seismic attribute is disclosed along with its use to locate and classify seismic waveform anomalies and use them to construct objects and from them geologic surfaces (77) and bodies (75)...
8363509 Method for building velocity models for pre-stack depth migration via the simultaneous joint inversion of seismic, gravity and magnetotelluric data  
A method for quantitatively evaluating and using multiple geophysical datasets and external constraints for performing velocity model building through simultaneous Joint Inversion and finalized at...
8358561 Bayesian DHI for seismic data  
A method of locating subsurface hydrocarbon reservoirs includes acquiring seismic data, extracting seismic data attributes from the seismic data, calculating exemplar data group probability...
8358562 Measuring and modifying directionality of seismic interferometry data  
Methods and apparatuses are disclosed for replacing the individual receivers used with a seismic interferometry process with an array of seismic receivers and then manipulating the array data in...
8339897 Automatic dispersion extraction of multiple time overlapped acoustic signals  
Slowness dispersion characteristics of multiple possibly interfering signals in broadband acoustic waves as received by an array of two or more sensors are extracted without using a physical...
8339898 Processing seismic data using combined regularization and 4D binning  
To process seismic data, a combined four-dimensional (4D) binning and regularization procedure is performed on the seismic data, where the combined 4D binning and regularization procedure includes...
8340912 Seismic attributes for structural analysis  
Embodiments of methods and systems for analysis of geological structures using seismic attributes are described. In some embodiments, a method includes computing a similarity function using one or...
8332154 Estimating reservoir properties from 4D seismic data  
Method for deriving a reservoir property change data volume from time shifts used to time-align 4D seismic survey data (31). The time alignment is performed on at least one angle stack of 4D data...
8325560 Technique and system for deriving a time lapse low frequency model using both seismic data and a flow simulation model  
A technique includes determining a change in an elastic property of a region of interest at a second time relative to a first time based on a flow simulation model. The technique includes scaling...
8325561 Digital elevation model for use with seismic data acquisition systems  
A seismic data acquisition system includes a controller, a plurality of sensor stations and a plurality of seismic sources. Each sensor station includes a sensor coupled to the earth for sensing...
8315124 System and method for suppression of seismic multiple reflection signals  
A method of modeling seismic wave-field data in order to suppress near-surface and sub-surface related multiple reflection signals is provided. The reflection signals include main primary...
8301385 Shot gather data beamer and debeamer  
Beamed data can be obtained from shot gather data, and debeamed data can be obtained from beamed data. Shot gather data for a geophysical volume of interest in a first domain and/or beamed data in...
8295124 Method for separating independent simultaneous sources  
This is a method of separating simultaneous sources that uses an inversion-type approach. Each source will preferably activated at a random time with respect to the others. These random delays...
8284630 Annular-sum transform of irregularly sampled seismic data  
A method for interpolating irregularly sampled seismic data, including receiving seismic data acquired at irregularly spaced seismic sensors in a survey area, defining a plurality of regularly...
8279707 Fusing geophysical data representing a geophysical space  
Geophysical data representing at least first and second overlapping geophysical spaces may be aggregated. A first set of geophysical data representing the first geophysical space and a second set...
8259532 Hybrid modeling in the tau-p domain  
A method for generating a synthetic seismogram. In one implementation, the method may include generating a first seismogram in a tau-p domain for a wavefront that moves through an overburden to an...
8243548 Extracting SV shear data from P-wave seismic data  
A system and method of processing seismic data obtained using a surface-based receiver configured to measure vertical movement of the Earth includes retrieving seismic data from a storage device,...
8238195 Method for 3-C 3-D wavefield decomposition  
An apparatus and a method for processing of three components, 3-Dimensions seismic (3-C, 3-D) data acquired by down-hole receivers and surface seismic sources. Automatic velocity analysis is used...

Matches 51 - 100 out of 430 < 1 2 3 4 5 6 7 8 9 >