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US20150063067 SYSTEM AND METHOD FOR ESTIMATING SEISMIC ANISOTROPY WITH HIGH RESOLUTION  
A system and method for estimating seismic anisotropy of subsurface formations with high resolution. A method for determining anisotropy parameters of subsurface formations includes generating a...
US20090080288 METHOD FOR CORRECTING INPUT SEISMIC TRACES FROM DISSIPATIVE EFFECTS  
A method and apparatus for correcting an input seismic trace. The method includes receiving the input seismic trace and creating a t by Q gather using the input seismic trace, where t represents...
US20110205844 Systems and Methods for Modeling 3D Geological Structures  
Systems and methods for modeling a three-dimensional (3D) geological structure to improve maximum continuity interpolation. An integration method describes local anisotropic effects and introduces...
US20130250723 SWEEP SEQUENCE DETERMINATION FOR OVERLAPPING SWEEPS  
An embodiment of the invention includes combining pseudorandom sweeps with an independent, or nearly independent, survey acquisition technique. Targeted design of pseudorandom sweeps can direct...
US20140092708 PLURAL-DEPTH BURIED SEISMIC SENSORS ACQUISITION SYSTEM AND METHOD  
A system for collecting seismic data includes plural seismic sensors. The seismic sensors are buried underground. In one application, a first set of seismic sensors are buried at a first depth and...
US20090175125 Direct Mapping of Oil-Saturated Subsurface Formations  
The propagation of a compressional wave in a reservoir rock causes the pore fluids to flow within the pores and pore connections; this internal flow of the pore fluid exhibits hysteretic and...
US20110194378 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...
US20110080808 SENSOR ASSEMBLY HAVING A SEISMIC SENSOR AND A DIVERGENCE SENSOR  
A sensor assembly having improved characteristics for use in surveying a subterranean structure includes a divergence sensor for positioning at or below a ground surface, where the divergence...
US20140286128 SYSTEMS AND METHODS FOR PERFORMING DUAL-SCALE INTERPOLATION  
Systems and methods are provided for processing seismic data and displaying an output associated with the seismic data. A method includes: separating the seismic data into a fine-scale dataset and...
US20110141849 Method for attenuating interference noise in dual-sensor seismic data  
A super-gather is constructed by interleaving traces from a hydrophone gather and a geophone gather in seismic data such that traces pertaining to co-located hydrophones and geophones are adjacent...
US20110103182 Removing Noise from a Seismic Measurement  
A technique includes spatially filtering a signal that is derived from a seismic acquisition. The filtering is associated with a filter length, and the filtering includes varying the filter length...
US20100322032 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...
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...
US20130028052 Convergence Rate of FUll Wavefield Inversion Using Spectral Shaping  
Method for speeding up iterative inversion of seismic data (106) to obtain a subsurface model (102), using local cost function optimization. The frequency spectrum of the updated model at each...
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...
US20120281499 CONTINUOUS SEISMIC ACQUISITION  
The invention relates to a seismic acquisition process where multiple seismic sources are used to acquire seismic energy using encoding so that all of the sources may deliver seismic energy at the...
US20120092961 ANALYSIS AND FILTERING OF SURFACE WAVES IN SHALLOW WATER ENVIRONMENT USING S AND T-F-K TRANSFORM  
The various embodiments of the present invention provide a method for removing a Scholte waves and similar ground roll type waves from a seismic sea bottom data in a shallow water. The method...
US20130107665 METHODS AND DEVICES FOR TRANSFORMATION OF COLLECTED DATA FOR IMPROVED VISUALIZATION CAPABILITY  
Computing systems and methods for improving imaging of collected data are disclosed. In one embodiment, a first wavefield is propagated to obtain a first wavefield history; the first wavefield is...
US20140219054 METHOD OF FIRST ARRIVAL PICKING OF SEISMIC REFRACTION DATA  
The method of first arrival picking of seismic refraction data is embodied in software that uses the τ-p transform on energy-ratio seismic records. First, the seismic shots are gathered. Next, the...
US20130170317 Receiving Seismic Signals From Seismic Signal Sources  
A seismic exploration system includes a survey area defined by a perimeter and including a first plurality of sub-areas and a second plurality of sub-areas adjacent the first plurality of...
US20080130411 SEISMIC IMAGING WITH NATURAL GREEN'S FUNCTIONS DERIVED FROM VSP DATA  
The methods described herein are conceptually similar to classical migration/imaging for surface seismic data. However, instead of using computed (estimated) Green's functions in the imaging...
US20090262602 Radon transformation for removal of noise from seismic data  
Methods of processing seismic data to remove unwanted noise from meaningful reflection signals are provided for. Assembled seismic data are transformed from the offset-time domain to the...
US20120243372 Simultaneous Wavelet Extraction and Deconvolution in the Time Domain  
Blind wavelet extraction and de-convolution is performed on seismic data to enable its practical usage in seismic processing and to provide quality control of data obtained in areas where data...
US20090080287 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...
US20150117151 Automatic Tracking of Faults by Slope Decomposition  
Method for locating fault lines or surfaces in 2-D or 3-D seismic data based on the fact that fault discontinuities in the space domain span a wide range in a local slowness (slope) domain,...
US20090168601 SPECTRAL CONDITIONING FOR SURFACE SEISMIC DATA  
A method for spectrally conditioning surface seismic data. In one implementation, the method may include correcting surface seismic data for distortions due to anomalous spectral amplitudes,...
US20130315033 NEAR-SURFACE NOISE PREDICTION AND REMOVAL FOR DATA RECORDED WITH SIMULTANEOUS SEISMIC SOURCES  
A seismic data processing method for predicting and removing unwanted near-surface noise, e.g. refracted waves and surface waves, from composite seismograms acquired with multiple, encoded seismic...
US20080259728 Method of Filtering Pump Noise  
A method of filtering out pressure noise generated by one or more piston pumps, where each pump is connected to a common downstream piping system, and where the discharge pressure is measured by a...
US20120069707 METHOD FOR MONITORING A SUBSOIL ZONE, PARTICULARLY DURING STIMULATED 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...
US20100302905 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,...
US20120243371 SYSTEM AND METHOD FOR SEISMIC DATA MODELING AND MIGRATION  
A system and computer-implemented method for accounting for temporal dispersion in low-order finite difference seismic wave propagation is disclosed. An embodiment of the method includes...
US20120063265 SEISMIC ACQUISITION AND FILTERING  
Designing a multi-dimensional Finite Impulse Response FIR digital filter to attenuate the coherent noise while preserving reflection signals on seismic data, particular in land seismics, comprises...
US20130128696 NOISE REMOVAL FROM 3D SEISMIC REPRESENTATION  
A method for removing noise from a three-dimensional representation of seismic data. The method includes receiving seismic data acquired in a seismic survey. The method may organize the acquired...
US20130028051 FIELD CORRELATION FOR REAL-TIME PASSIVE SEISMIC SURVEILLANCE  
There is provided herein a method of passive seismic acquisition that utilizes real time or near real time computation to reduce the volume of data that must be moved from the field to the...
US20120294116 METHODS AND SYSTEMS FOR SPURIOUS CANCELLATION IN SEISMIC SIGNAL DETECTION  
Methods and systems utilizing seismic sensors configured or designed for use in seismic signal detection are provided so as to reduce the occurrence of spurious responses of the sensors. A method...
US20120195164 DEVICE AND METHOD FOR DETERMINING S-WAVE ATTENUATION IN NEAR-SURFACE CONDITION  
Computing device and method for determining primary and ghost components from S-waves recorded in near-surface conditions, wherein the S-waves are refracted or reflected from a structure in a...
US20110085419 SENSOR ASSEMBLY HAVING A SEISMIC SENSOR, PRESSURE SENSOR, AND PROCESSOR TO APPLY FIRST AND SECOND DIGITAL FILTERS  
A sensor assembly includes a housing structure, a seismic sensor in the housing structure to measure seismic waves propagated through a subterranean structure, and a pressure sensor in the housing...
US20130088939 WAVEFIELD SEPARATION USING A GRADIENT SENSOR  
Seismic data relating to a subterranean structure is received from at least one translational survey sensor, and gradient sensor data is received from at least one gradient sensor. A P wavefield...
US20110075514 APPARATUS AND METHODS FOR ATTENUATING SEISMIC NOISE ASSOCIATED WITH ATMOSPHERIC PRESSURE FLUCTUATIONS  
Apparatus and methods are described for attenuating noise associated with atmospheric pressure fluctuations in a seismic signal during seismic data acquisition using at least a pair of sensors...
US20130128695 DEVICE AND METHOD FOR DEGHOSTING P-WAVES  
Computing device and method for determining primary and ghost components from recorded P-waves. The method includes receiving seismic data (R, V) with regard to the P-waves, wherein the seismic...
US20100286920 Method for calculation of seismic attributes from seismic signals  
Filters are applied to seismic signals representative of subsurface formations to generate filtered signals with attenuated spatially aliased energy. The filtered signals are multiplied in the...
US20090097356 PROCESSING OF COMBINED SURFACE AND BOREHOLE SEISMIC DATA  
Methods and related systems are described for processing surface seismic data. Surface seismic data representing seismic signals detected at a plurality of surface locations is wavefield...
US20150071033 Correlation Techniques for Passive Electroseismic and Seismoelectric Surveying  
A method for surveying, may include receiving, by a processor, first survey data from a first source, the first source comprising a first signal generated by a subsurface earth formation in...
US20140369166 REMOVING OFFSET FROM SEISMIC SIGNALS  
Methods, systems, and devices for conducting a seismic survey. The system includes at least one seismic sensor configured to supply a signal responsive to reflections of acoustic energy from an...
US20130235695 SEISMIC INTERPRETATION SYSTEM AND METHOD  
The present disclosure describes a system, method and computer readable medium capable of identifying and filtering erroneous seismic data from the computer modeling process. A visual...
US20130155813 ITERATIVE DIP-STEERING MEDIAN FILTER FOR SEISMIC DATA PROCESSING  
An iterative dip-steering median filter is provided for random noise attenuation in seismic data where conflicting dips are indicated in the data. A number of dominant dips inside a processing...
US20100254219 Detection of Features in Seismic Images  
A computer implemented method for the detection of features such as faults or channels in seismic images. First, edges are detected in a smoothed seismic image (106). To detect a fault line, an...
US20140169133 MEMORY-BOUND SURFACE-RELATED MULTIPLE PREDICTION METHOD FOR LARGE DATASETS  
A method is performed at a FPGA coprocessor having memory that stores a plurality of blocks of compressed seismic traces. The method includes: receiving, from a host, a request for processing a...
US20120063266 SYSTEM AND METHOD FOR ACQUISITION AND PROCESSING OF ELASTIC WAVEFIELD SEISMIC DATA  
A system and method of acquiring and processing full elastic waveform data from a vertical-force source comprises providing seismic waves into the earth from the vertical-force source, sensing...
US20110069581 Removal of Surface-Wave Noise In Seismic Data  
The invention is a method to predict surface-wave waveforms (306) and subtract them (307) from seismic data. Prediction is done by estimating a set of surface-consistent components (transfer...

Matches 1 - 50 out of 71 1 2 >