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US20130030710 SYSTEM AND METHOD FOR PERTURBING AN INITIAL HORIZON-PICKING SOLUTION TO FOLLOW LOCAL FEATURES OF A VOLUME  
A horizon-picking solution for a geological volume of interest is determined. To determine the horizon-picking solution, a plurality of horizons through the geological volume of interest included...
US20080172180 Correction Method for Processing Seismic Traces  
This invention relates to a method for processing seismic data comprising a collection of seismic traces with different offsets, comprising the steps of: a) breaking up one or several first...
US20140297191 PREDICTING SENSITIVITY TO POSITIONING FOR SEISMIC SURVEYS  
A geophysical target-oriented approach is proposed to derive seismic sensitivity to 4D positioning mismatches, which focuses on the impact on the reflective response from the reservoir. The...
US20140288841 REMOVING NOISE FROM A SEISMIC MEASUREMENT  
A technique includes using a filter having filtering parameters based at least in part on a dispersion curve of at least one vibration mode of a streamer to filter a measurement acquired by at...
US20070032959 Emission of seismic vibrations by a train consisting of vibrator trucks  
The invention relates to a mobile device for emitting seismic vibrations into the ground in order to collect geophysical data, said device comprising at least two mobile platforms, each provided...
US20110276274 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...
US20140114578 SEISMIC SOURCE AND METHOD FOR INTERMODULATION MITIGATION  
A method for calculating intermodulation noise generated with one or more land seismic sources. The method includes receiving seismic data generated by actuating the one or more land seismic...
US20100223012 Method for Determination of Diffractor Locations at Sea Bottom for the Purpose of Attenuating Such Energy  
Coherency analysis, such as semblance scan or stacking amplitude, is used to locate diffractors. Once the diffractors are located, noise energy originating from the diffractors is minimized....
US20120271552 INCREASING THE RESOLUTION OF VSP AVA ANALYSIS THROUGH USING BOREHOLE GRAVITY INFORMATION  
An apparatus and method for estimating at least one parameter of interest for an earth formation by reducing an uncertainty in seismic parameters using density information. The density information...
US20110046886 Removing Ground-Roll from Geophysical Data  
A method for processing geophysical data. The method includes generating a model from geophysical data acquired at a receiver location and one or more boundary receiver locations. After generating...
US20120259553 Method for eliminating spectral constraints of acquisition system and earth filtering effects  
Recorded seismic data are represented as a convolution of operators representing a reflectivity series of the earth and a seismic wavelet. The recorded seismic wavelet is represented as a...
US20140278119 SEISMIC ACQUISITION USING PHASE-SHIFTED SWEEPS  
A technique includes towing at least one seismic source in connection with a survey of a structure; and operating the seismic source(s) to fire shots, where each shot is associated with a...
US20100070183 DETERMINATION OF THE BEARING FROM A GEOPHONE TO A SEISMIC SOURCE  
Techniques are disclosed for determining the bearing from a three-axis geophone to a seismic source, such as a person or other man-made seismic source. In one embodiment, the techniques are...
US20090222211 METHOD, PROGRAM PRODUCT, AND SYSTEM FOR SUPPRESSION OF RESIDUAL WATER BOTTOM ENERGY IN SURFACE SEISMIC DATA  
Systems, program product, and methods of suppressing residual water bottom energy in seismic data, are provided. An example of a system, program product, and method can be applied to post-stack...
US20150066375 SEISMIC NOISE REMOVAL  
A method for removing seismic noise from an input seismic trace. The method may receive the input seismic trace. The method may receive one or more noise references for the input seismic trace....
US20090290449 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...
US20140019057 Microseismic Event Verification Using Sub-stacks  
Disclosed herein are various embodiments of discriminating between small microseismic events and false events comprising identifying candidate events, and creating sub-stacks of the microseismic...
US20090006000 Method for velocity analysis using waveform inversion in laplace domain for geophysical imaging  
A Laplace transform system comprising a processor, a measured time domain wavefield, a velocity model, and Laplace damping constants, wherein the processor is programmed to calculate a...
US20110010098 METHOD OF PRE-STACK TWO-DIMENSION-LIKE TRANSFORMATION OF THREE-DIMENSIONAL SEISMIC RECORD  
A method of pre-stack two-dimension-like transformation of three-dimensional seismic record is accomplished by the following steps: acquiring 3D seismic data, and arranging them according to a...
US20150032380 PLURAL DEPTH SEISMIC DE-GHOSTING METHOD AND SYSTEM  
A method for de-ghosting seismic data includes receiving seismic data corresponding to plural depth sources or plural depth receivers located at a first depth and a second depth below a...
US20090299639 3D RESIDUAL BINNING AND FLATNESS ERROR CORRECTION  
A method for processing seismic data. The method may include splitting the seismic data into multiple datasets according to one or more offsets; determining a first shift amount in three or more...
US20090132170 SEISMIC DATA PROCESSING AND VISUALIZATION  
A method of processing seismic data includes storing in a single file structure a first type of data representing an inline location, a second type of data representing a crossline location, and a...
US20070271041 Diplet-Based Seismic Processing  
Methods, systems, and software for generating a multi-dimensional volume are disclosed. The methods include decomposing one or more original volumes into a collection of diplets, wherein each...
US20110178715 DIP-based corrections for data reconstruction in three-dimensional surface-related multiple prediction  
A best fitting trace in seismic data is determined for a desired trace to be reconstructed. A dip-based correction is calculated per trace and per sample for differences in azimuth, common...
US20080010022 Wavefield Decomposition for Cross-Line Survey  
It is described a method for spatially filtering 3D seabed seismic data acquired in a cross-line geometry including methods of how to decompose the data using a filter with two spatial components.
US20120271551 Seismic Data Filtering Based on Vibrator-Coupled Ground Model  
A vibrator-coupled ground filter improves seismic data recorded during a seismic operation. This filter is based on a ground model that takes into consideration the vibrator system, the coupling...
US20100124148 Method for optimum combination of pressure and particle motion sensors for a 3-D spread of dual-sensor marine seismic streamers  
A method for determining upgoing pressure components of seismic signals from signals detected by combined pressure responsive sensors and motion responsive seismic sensors disposed in a plurality...
US20120026832 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...
US20100074051 REMOVING NON-PHYSICAL WAVEFIELDS FROM INTERFEROMETRIC GREEN'S FUNCTIONS  
A method for estimating seismic data from sources of noise in the earth surrounding a first seismic receiver and a second seismic receiver. The method includes calculating a Green's function...
US20120035854 SEISMIC ACQUISITION SYSTEM INCLUDING A DISTRIBUTED SENSOR HAVING AN OPTICAL FIBER  
A seismic acquisition system includes a distributed optical sensor (having an optical fiber) and an interrogation subsystem configured to generate a light signal to emit into the optical fiber....
US20120330554 Dispersion Estimation By Nonlinear Optimization of Beam-Formed Fields  
A method for estimating velocity dispersion in seismic surface waves in massive 3-D data sets (401) that improves upon auto-picking of a curve along the peak or ridge of the magnitude of the...
US20140244178 SYSTEM AND METHOD FOR CORRECTING NEAR SURFACE STATICS BY USING INTERNAL MULTIPLES PREDICTION  
Disclosed is a system and method for predicting internal multiples generators to correct near surface statics, by estimating a first timing or position associated with reflectors using internal...
US20080294346 METHOD FOR IDENTIFYING AND REMOVING MULTIPLES FOR IMAGING WITH BEAMS  
The present invention incorporates the use of model-driven and data-driven methodologies to attenuate multiples in seismic data utilizing a prediction model which includes multiply-reflected,...
US20090323469 TECHNIQUE AND SYSTEM TO INCREASE THE LENGTH OF A SEISMIC SHOT RECORD  
A system includes an interface and a processor. The interface receives seismic datasets, which are associated with multiple firings of a set of at least one seismic source. Each dataset is...
US20120046871 METHOD FOR TIME PICKING AND ORIENTATION OF THREE-COMPONENT SEISMIC SIGNALS IN WELLS  
A method, having application to petroleum exploration or production, for picking the arrival time of seismic waves and use thereof for orienting the components of a multi-component sensor. After...
US20140244179 CONSTRUCTION AND REMOVAL OF SCATTERED GROUND ROLL USING INTERFEROMETRIC METHODS  
A data set can be corrected for the effects of interface waves by interferometrically measuring an interface wavefield between each of a plurality of planned locations within a survey area; and...
US20150185349 METHODS AND SYSTEMS FOR OPTIMIZING GENERATION OF SEISMIC IMAGES  
This disclosure is directed to systems and methods for stacking seismic data. The methods receive seismic data collected from a survey of a subterranean formation. A gather of seismic data may...
US20150168573 GEOLOGIC QUALITY FACTOR INVERSION METHOD  
Provided is a method for performing layer Q factor inversion by using an amplitude spectrum attribute of a down going wave of vertical seismic profile data in a geophysical exploration data...
US20090005999 Limited radon transformations for removal of noise from seismic data  
Methods of processing seismic data to remove unwanted noise from meaningful reflection signals are provided for. The methods comprise the steps of assembling seismic data into common geometry...
US20140324357 SEISMIC INTERFEROMETRY FOR GRAND ROLL & NOISE ATTENUATION  
Methods of acquiring and processing seismic data using derivative sensors, such as strain sensors, that facilitate ground roll noise attenuation with seismic interferometry are disclosed. The...
US20120209531 METHOD FOR STABILIZATION OF LOW FREQUENCIES IN TAU-P DOMAIN FILTERING AND DECONVOLUTION  
Apparatuses and methods for collecting and analyzing seismic data (D) include a frequency dependent noise factor (ε2) for stabilizing a transformation matrix (S). The noise factor (ε2) is a...
US20100286921 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...
US20150241587 METHODS AND SYSTEMS FOR QUANTIFYING COHERENCY AND CONSTRAINING COHERENCY-BASED SEPARATION IN SIMULTANEOUS SHOOTING ACQUISITION  
This disclosure presents methods and systems for deblending blended seismic data obtained during simultaneous shooting acquisition into deblended seismic data gathers. Methods and systems...
US20110270527 System and method for compensating time and offset varying near-surface effects in seismic data background  
A system for and computer implemented method for transforming seismic trace information includes obtaining seismic trace information for each trace, the seismic trace information including shot to...
US20090099779 AUTONOMIC SEISMIC DATA PROCESSING  
Implementations of various technologies for a method for processing seismic data. In one implementation, the method may include receiving a record of seismic data. The record of seismic data may...
US20120065891 SYSTEM, MACHINE, AND COMPUTER-READABLE STORAGE MEDIUM FOR FORMING AN ENHANCED SEISMIC TRACE USING A VIRTUAL SEISMIC ARRAY  
Embodiments of a system are provided for forming enhanced seismic array traces using virtual seismic sensors in addition to the real seismic sensors to form a virtual seismic array. The system...
US20090281732 Method for attenuating low frequency noise in a dual-sensor seismic streamer  
A calculated vertical velocity sensor signal is determined from a recorded pressure sensor signal. A constructed vertical velocity sensor signal is determined as a linear combination of the...
US20140200820 WAVEFIELD EXTRAPOLATION AND IMAGING USING SINGLE- OR MULTI-COMPONENT SEISMIC MEASUREMENTS  
Described herein are architectures, platforms, computing systems, and methods for mitigating noise in wavefield extrapolation and imaging. In one aspect, a method of wavefield extrapolation is...
US20120041682 ATTENUATING INTERNAL MULTIPLES FROM SEISMIC DATA  
A method for removing internal multiples from collected data, such as seismic data. The method includes predicting internal multiples for each horizon in a plurality of horizons that created the...
US20130253838 SYSTEM AND METHOD FOR PROCESSING 4D SEISMIC DATA  
A system and method for determining a 4D difference from 4D seismic data including receiving a baseline seismic dataset and a monitor seismic dataset; identifying a 4D signal present in the...

Matches 1 - 50 out of 167 1 2 3 4 >